ML082110253

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Enclosure a - Post Audit Environmental Information - Question ENV-070, Monthly Report on the Meteorological Monitoring Program, March 2007 Through End. (Non-Proprietary Version)
ML082110253
Person / Time
Site: Three Mile Island Constellation icon.png
Issue date: 06/10/2008
From:
AmerGen Energy Co
To:
Office of Nuclear Reactor Regulation
References
5928-08-20133
Download: ML082110253 (680)


Text

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Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station March 2007 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847)963-9000 e-mail: mtiweathercommand~com web: http://www.weathercommand.com For xelon UseOnly Reviewed B y*- :W Date: 6 \ ' Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000

Table of Contents Section Description Pag 1 Station Action Item s .................................................... 1 2 Equipm ent Maintenance .................................................. 1 3 Data Recovery Summary ........................................... 2 4 Sum m ary of Billings ..................................................... 4 5 Data Analysis .............................. 5 6 Computer Processing .................................................. 5 7 Annual Report Preparation ......................................... 5 Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Equipment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 2 2 nd of March. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

In-house on the 6t", 3 wind speed sensors were calibrated and given new bearings. No problems were encountered with the equipment during March, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through March is summarized in Table 1.

Table I Three Mile Island A Data Recovery Summary March 2007 Hours in Month = 744 Hours to date = 2160 Hours in year = 8760 This Month Year to Date

                                                                        'Valid                Lost     Edits             Valid         Lost    Edits Measurement Hrs                  %      Hrs       %            Hrs      %        Hrs     %

10OFt Wind Speed 743 99.9 1 0.3 2159 100.0 1 5.3 15OFt Wind Speed 743 99.9 1 0.1 2157 99.9 3 6.2 10OFt Wind Direction 743 99.9 1 0.5 2159 100.0 1 5.5 15iFt Wind Direction 743 99.9 1 0.4 2158 99.9 2 6.2 33Ft Temperature 743 99.9 1 0.0 2159 100.0 1 4.8 15OFt Temperature 743 99.9 1 0.0 2158 99.9 2 29.4 150Ft-33Ft Delta-T 743 99.9 1 0.0 2154 99.7 6 5.0 3Ft Precipitation 743 99.9 1 0.1 2138 99.0 22 7.5 A V E R A G E

  • 99.9 99.9
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary March Year to Date Three Mile Island A 0 0 All Exelon Sites 24 54 Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through March is summarized in Table 1.

Table I Three Mile Island B Data Recovery Summary March 2007 Hours in Month = 744 Hours to date = 2160 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits frs  % Hrs  % Hrs  % Hrs  % 10OFt Wind Speed 743 99.9 1 0.0 2157 99.9 3 6.3 10OFt Wind Direction 743 99.9 1 0.0 2157 99.9 3 6.3 33Ft Temperature 743 99.9 1 99.9 2144 99.3 16 99.9 15OFt Temperature 743 99.9 1 0.0 2158 99.9 2 29.4 15OFt-33Ft Delta-T 743 99.9 1 99.9 2144 99.3 16 99.9 A V E R A G E* 99.9 99.7

  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary March Year to Date Three Mile Island B 0 0 All Exelon Sites 24 54 Murray & Trettel, Inc. 600 FirstBank Driue, Suite A Palatine, Illinois 6oo67 (847) 963-9000

4. Summary of Billings for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Agreement - March 2007 Three Mile Island Description Cost Meteorological equipment maintenance $$ 150.00 Meteorological parts, materials & contractors services 272.18 Total for Month: $ 422.18 Year to Date Total: $ 715.98 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. W~ind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid, Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

TMI. -A March 20'07 '744 'HOUrS in Period Hrours iouzrs Paramneter Slev Units I~n=- AX -MN Missing 'Valid AMBEN~1T TEMP .S. 33 XT, F I 41.9 79.S 8_7 1 7i4 3 4 AMBIENT TEMP . . . !50 FT IFl' 4. 031. 74.3 WIND SPEED . .100 FT -J4PH1 .. 1 .29,".5 Calm. '1 743 'WINDSPEED .. 150 FT IMPH) '.8 .33.0 Calm -.. 4 ,DIFFERENTIALTE'1 150 :FT' jF .1 0..4: 8.1 -1. 6. 1 74

ýPRECIPITATIONW ' FT I'IN 1 73 TOTAL, . . . .21
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                                  .Parameter                                                                                                     Eiev                         Units                                   MEAN                              MAX                         MIN                      .Missing Valid AY. IN,*IIT TEMP                                                           .               ..                  33 FT                         1F]                                     41.9                       79.8                               8.                  '5                         A                          .743 AMBIENT TEMP                                                                     ,        .                150 1                FT                [ F ]                                  42'3                       80.5                        12.3..                                               '1                           743 WIND SPEED                                                    ...                           .             100 FT                               MPPH                                      8.0                     30.2                             1..0                                    .1 .                               74i-.
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                                                                                                                             *-                            7/06 R-24 Three Mile Island Site Routine 'Site Visitation Log Begin:           I It          EST End:          I"*             EST Operation of datalogger                                                              0-.l                   _._                              -

Heater-'System Operational (Oct-Apr) .E'YES 0 Air Cond. System Operational (May-Sep) 0 YES. I -.

 .A'Readings:(Taken a              i4/          EST) pSPEED                      :Dl,,         CTION              TEMP.                              A~T-  ,                                                               -."

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,ý1O00ft.% ~ /," mph IU -

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                                                                                                           'Yes      0 UTD 0              _    _  _   _  _   _    _   _

Ran ga-uge, check, miade at31, 3` EST,'.No rain gauge check made due to',Precipitation

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  ,COMMENTS:<~                                                     -i
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A11 k '&V I Murry&1reIIn 166v Fit st xin~ rIme Swuite /l~~ei m6i06667,9'(84.) 963t900 Ifiluwsf

SExelon 'Contract 'Number 80633 Ai Equipment Maintenance Log .7/06

                                                                                                                                                                    *R-24
                                                                                         ~'$oue wrkDate(s):                                                3    - C,-:
                                                                       ..       Field work
  • Site:  :. . Weekday
                                                                                                                                           "  Weekend. / Holiday Page J_      of.L 11 Reason for work-/ Nature of Problem:             .

Work. Performed/ction takn h 4 j[ I 3 6-11 Ca 1111zA Mesrn Tes Enimnj A-U iIN - -. 4 A or oplt es0 P0A-aieie?0 yo . A't,

                                             'Ai etibooIu MeasunJ                                                        "'     EMtoenUeTrese                                       S,'

AA ~ Misc:

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                                                                                            )LC. to I Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station April 2007 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mtcweathercommand.com web: http://www.weathercommand.com For Ex2elon UseOniv Reviewed By:

Date: (IW.1O--i, Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Table of Contents Section Description Page 1 Station Action Item s .................................................... 1 2 Equipment Maintenance ....... 11.............. 3 Data Recovery Summary ........................... 2 4 Sum m ary of Billings ..................................................... 4 5 Data A nalysis .............................................................. 5 6 Computer Processing ............. .................................. 5 7 Annual Report Preparation ......................................... 5 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9ooo

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Eauioment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipmentwas made on the 1 0 th of April. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

On the 2 nd, a calibration of the meteorological tower was performed. All Wind Speed sensors were changed during the calibration. The results of the calibration can be found in the logs, which are included at the end of this report. On the 10O",the annual tower inspection was performed. On the 2 3 rd, a technician repaired the 33 ft. Bravo temperature card that was reading 40 degrees too low. No problems were encountered with the equipment during April, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through March is summarized in Table 1.

Table I Three Mile Island A Data Recovery Summary April 2007 Hours in Month = 720 Hours to date = 2880 Hours in year 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs Hrs  % Hrs  % 10OFt Wind Speed 718 99.7 2 1.5 2877 99.9 3 4.3 15OFt Wind Speed 718 99.7 2 1.5 2875 99.8 5 5.0 10OFt Wind Direction 718 99.7 2 1.5 2877 99.9 3 4.5 15OFt Wind Direction 718 99.7 2 1.5 2876 99.9 4 5.1 33Ft Temperature 718 99.7 2 1.4 2877 99.9 3 4.0 15OFt Temperature 719 99.9 1 1.2 2877 99.9 3 22.3 15OFt-33Ft Delta-T 717 99.6 1.2 2871 99.7 9 4.1 3Ft Precipitation 718 99.7 2 1.5 2856 99.2 24 6.0 A V E R A G E* 99.7 99.9

  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary April Year to Date Three Mile Island A 0 0 All Exelon Sites 4 58 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine, Illinois 6oo67 (847) 963-9ooo

3. Data Recovery The record of data recovery for the year through March is summarized in Table 1.

Table 1 Three Mile Island B Data Recovery Summary April 2007 Hours in Month 720 Hours to date = 2880 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs  % Hrs  % Hrs  % 10OFt Wind Speed 718 99.7 2 1.7 2875 99.8 5 5.2 10OFt wind Direction 718 99.7 2 1.8 2875 99.8 5 5.2 33Ft Temperature 698 96.9 22 4.2 2842 98.7 38 76.0 15OFt Temperature 717 99.6 3 1.5 2875 99.8 5 22.4 15OFt-33Ft Delta-T 697 96.8 23 4.0 2841 98.6 39 75.9 A V E R A G E* 98.5 99.3

  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary April Year to Date Three Mile Island B 0 0 All Exelon Sites 4 58 Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000

4. Summary of Billings for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Agreement- April 2007 Three Mile Island Description Cost Meteorological equipment maintenance $ 293.80 Meteorological parts, materials & contractors services $ 4.51 Total for Month: $ 298.31 Year to Date Total: $ 1014.29 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

z w TMI A1~ 1~ 720 Hbura6 n Pcriod. ho~ ou'rs, Parame er Un t S, Ue EAN11 >M N wA M: ss ia_ a

                                                              '!
  • i . * < . iL , : : < *:i * ? : . :j i i : :< * :ii
  • i
  • i" * + :
  • b < /. ," . - . * *" . . . '3 AMRBIVENT.' TEjMP .l:'L. ,. .'.. F3T F G 82.

89 2'62' 2-9. 71,82 ABIENT-T.EMP... 150 FT F j :49::,7 82.2 ~9.01 1 WIND EPEE 21 . .100 F'I~i], 96 30 1 Car 2 71

     ý.::WIND              SPEECw:.S.<:7Y                                              FCT            (MP!                       10.1                3,1A        Ca I                2T,':

DIP F ERENTIAL 'TEMP 15s FT IF . 94 - 2.5 ,

ý:PRECIPTTJTON ':2 FT- 'TN). 2:. 718ý TOTAL Max 24 dtrTo~a
                    .4ax 1, Mour:.T6ýa
    .: :7. ' :" -:T.) ,~   k   .. (( . !!}:.::[ :-:<: ![{::.[((*ii!{i[{ :::*:{: :i    !<}?:33334*i:l
50
                                                                                                                                                                                                          *.-*'.   *.- " "  * :*e" TABLIE POD72rED 0 5/128SC7                                                     13       2-3
                                                                                                                                                                                     /k                N- 1i. :

iii!<: :ii:ii i,i i ,'.13'

                                                                                                                                                                                           " 5* *..    .*      *'.4.3
i:!ii!i[!>

3.~ 22. 3, N

                                                                                                                            'N
                                                          "-.4                                                                                                                                                        i a-7.a
                                                                                                                               .3 3N 3/.

V q

                                                                                                                                                                                     *'. ?.y
                                                                                                                                                  >3,

!i TIMIT> -B, Aurl

                                                                                                          '0077210.                                      1fo~ur~s in ,Periodý Hpr1 Ho.         Hou-rs evj eJ              Units                    ME'AN1               Y::.INAX     YI1N'      Mas'san~g     Valid
        -AMBIETTEP                                            3F            T                                                                                     22.1     71.9.

AMBIEN T T1EN?: 10 F 497. 8.23 291 S'"*22 ..

       *W ND,. SPEED                ..   .0                           .T                       [PI                 9, 3            30 -- 4     -Ca m                       t.ie:

I. " .;:DFFENTIAL .TEMPt O. [F] 0.2 9. 72-

  ., * .TiABLEý PROC)DUCED, 05/2 8/0                   F,==7              13. 3 F0i
..: . .:::.:d i*< S ' !i!::::i: :::i'::i-ii*-t:::;: .1 999 X .
                                                                              ]:: :..*

{ ,:  :: 99:::

99::::: : :: : . .,: . N,,... .
                                                             !ii
                                                                                                     -      '999 N,-    >

9 9 9- 4< N.

Three. M +/- : 1 ana Ai(

  • D{PIttii :x6:~tempra uire Dasr Ibhaon (dec/0Oir 2C C,07 fti! iii:

15==================0-30:::!! 0

                                             -7.5 GE          Di T                     7 0,                               0>          "'~
                                             .7Q CF     G     DT L.T                   6                                   0
                                                   -65 E      DT>LT                    60                   >              0
                                   . ........-7. U.5  0        YAWU:D    .             4.0:.:
S... o -
                                            .5             EDT LT                      5. 0                                0 5-5.0 CF, CT L                         *4                            <'0 0
                                            -4 0:-GE Ci TL T                            5                                  I o>

E3D5TGEDTT -3 .0 2-

                                             -3.0 C E IT LT                           -2 5,                               A..........

WV 4.4:

                                            -2+0 G ,EDTLJ                              15C                             39<

IA S

                                               -. 0 CE DT PT                           ,D                           239
                                                  -O5GEDrTLT                            03                            70         <~'
0. 0 G7-E DT LT 05 to>

1.GDTLT 20 2,O fE>T LT: ::::::::2 ::::c it

.. . " .  ::.  : :-6 i.St :able ;: :*.
                                                                 -                                  :::::::::::::     13 25GE DTLT                            305                                                       5,.

GI.OED 'LTL.I 3.0 1  ? , ...-f. N7 3.G<E LT P'T 4

                                                                                                                  >       a 4.CDLT                            41.C C7 >

GSE DT,,L- 50 /9-

                                                                                                                     '3                   A
                                             -5,.5 ,E:DT LT                                    0s                  '-3 CE>DTLT 6.0                              65                                 6 G.'E' DT PT                    7.0                                 S     C 70 CE DT L T27.
7 5 4-7.5! GEUTD 29 A.>

A> NRC Stbi i y ClIa sse's-Unstrable ' NeCt ,al t27

5. - ' t",

TOTAL O:

HOR.S 717

- .. ..- , TC

                  ....-. , ....                    .,                '.                23
/E 24'2r:
              =============
                       ======
                            ==========================
                                       == ========================::*::[* : *;:::. -A.C>,.:'*i
                                                         =============              *    ,;* :*:::*!:: ::*               *
  • 7hree 'Mile I slana EB ire t af Tempe~nafltr Ds tr1Dt~u on kr4egC/~OOnv)§ 4',2 e0
                                                                         ,ili;      iii!

iiiiii:i0*:30%:!:itiii:* i;,;i.:i

                                                                                                . 0:::::::::i:
                                               -DT 'LT    -7.5                                    0?!i!):'i. A*::;:'i
                         -7       59           DT LT '-7. C 6GE UlLT                     6 6:0Q 'E' D.              LT,      5 5.5 G E DT LT                  -S0
                         -50 G E UTT
0::::::::

4 C, GET 127 -4 40E DT:LT -3.0

                                -05'-FDTh2           L            0                                                                  A 3 0ý3E DT1 LT                    25 2GDT.L2             -1 0                             *:*:0*:!

6.i*:: !;:

                                   /OE DT LT              '--5
                                        - E DT LT         -1.0                           267   ...              ,
                                                                                                 ;*1 i..:*
**i:-i ,

01 GET 3 LT 5-0. 0.' G' DIT LT 0.0C 6:!*{:o9. .... :

i*!.:.:.*.::: "; :*:  :: 70 .:.50: 'GE' GE:*;*
                                          * *:iTJ-T DT LT i :**!0,.5 : * :*:.           *   : :.::::2 3* ,: :*:

O5GE-1DTILT 1.0,, 1-0 GEDT LT 1.5 15GDT 'LT'. 2!i!i:iii::~*:~

                                                                                                       *iiiii:
2. 0 GE DT LT 2 .5 2': 53 C DRTULT -,1.0 34.0 GE IDT LT 3 .5 .... 17::::::::

2DT D. LT 4. ======= i0=== =========== 4.GE T 'LT 50

                                  .0GE -DT LT                G*50 G DT-. L2 13-5                     .

6.0 "..GlE DT LT ý GDT D. LT 7.0

7. 55GEF DTLi,75
               'ýc S  tabilit               CI~i                    :                        34.
,:*,:::::::::::: 321:::::  :
Neutal Stable.

TOTAL NO. ::FOL1R~.:..:.:..il:: TBEPTRODUICED 0 5/28F/07,T l3,:2 4A

  • NV

C o n t' S......Routine*

                                                                     -Three          lsla d S it ie Visitatj.i".

Sit6 arj~,~

                                                                                                                                                                 - E r 1    Lo
                                                                                                        *:                                      12.

7/ct R;24. er . o . f. at , o. e" Hea.er Sy*stem* oper~j 0 * (o~t-pr).** :. .1 ["'Es* .0 egin-E1ST Air. C Sosnt m O er a i on End . ~ ,.j* l Ma y-SP) ..:YES A. Readings (Taken at.. EST) 0 __071__

                                                                                                                                            "    A     -   ;   ,*]

SPEED DIRECTION TemI 33 ft l5Of~SQmph

                                           £ BRead~g (Take At jj~

E SEED. DI TION TEMP 33'.44 F 150 ft i*~ mph. 3 S Q Do,Pe d a d irection Rangauge check values a ea a g"ee Wth S ion s_ . .. .. es.urement . ori QaY ge sc ec0 _ __

                                                                            .    . S.                made duet
.O M       4.s.
            ...        9.                                                                                             . ...... tat...
!."L *i ..,-* *Fi:
                                  .*u*.* ,* ....; -11:*.. i~i:."*         *      * -*'*i-*,... .. ::..     .......,..

i: ., *..*. ... *"C I

Cot Ic N,,i~ubr 6 0C3 a 14 Three.Mi:I Island M t,6iroogica:Caiib'ration R-24 Pade l*oft B Date

..POWER SUPP~LIES ASi naIaconditioners.andRecorder:
                             ; Sinai;onditfionbr V6 ho                                 Out                R.order:                                          ,Specificaions' AF                         ..  ..... AL                 AL.EQUIV:      . :i.AF   .:::.      AL.   .......         Si    aIC ond,                       Recorder 3'3    ftJ T ZERO ;92r                             ?V                                                                                             /: Z.571-t.0V TSPAN.~'4?                                                                                                                                 41643V +/- fJ.050V WS ZEROO.ýO20                                                _V0  ____                     mph
                                                                                            -        1jjnh~_mph                             0000V +/-0,,025V -

_____V~~~ i ph3~~p m1rnh 4.267V:+/-00..25VN ,ALEQUIV*t: moh: .": WDr)zERO/6. c WD SPAN 50 AL EQUIV+/- 2.50: cx -- oooov n0A:025V

                                                                                                                                                                       .,ALF.0EOUJ~V AL          4 ý1"'  *2,50    -h9 WS ZERO:Q2t.                                          _V -_V.~m                                      0. Hph         -_mh                                          AL EQUIV t 1mph 0,002V t 0;025v.

WS SANi2 4.9LiV4 Wv Q mph, 1%, mph

  • 7 O ph AL EQUIV +/- mph YVD ZERO12L 0 _V._ _ _ ~ ~ __ o.00V'+/-o.00v ALEUJ+/-25 wbz;PAN-.I~ LV - V5ý 5Ž '5. AL EQ.fV+/- 2.5.,

AT: ZEROLAj 1.M4-V0.050V, V - V2~ v - v2.* T. Z EROi) - $7[L _v ___V~j 4;601V 0.050,V: T SP.NP . ( (p1 u..

  . ... .   .. . .. . .. ...   .. ....................... ...... .  . ... .=

9"'JA-/y

                                                                                                                              .... . .... .               .   ) 6

V. 1"n, Cb-tract lillrbx-vr 90Q3 V(06. ThreeMile. Meeoro eial aibration MOslan~d R-24,

                                                                                                                ,P~age 2 of 8 A S Conditqonerstad gnal           Data Loý                             qer AF      AL.      AL                 AFiL                         gna C d, g.)I                       Date Logger 571:
k+/-Q:0050V T SPAN'* ~ __

4 mph

--WS" PANýLm                                                                                          AL EQU IVtLI mph
                                                                                                      ,,,AL, EOUIV 2ý50 WV :SOAN        6II~                                   ,~mph~.          ph     0 OOOV I.0025V           AL, EdQUIV t'2,".5 3~jnph          ph               ^,8)/+/-O026V, 10 f WS.$ZE RO,.L=V                                                                                      AL. EQUIV t1I mph.

AAOOV 0.050V 2Lv I~mph +/- AL EQUIV +/- 1Imph, v 7.9> ~5.ooVW+/- 0.iOOV -ALEQUJIV J+/-2.50 WD SPAN.-V 917 v 'AL, EOUIV 1.2,.5"

                                                                           ~~ ~4:262-V+/-ozv
     ~ PAN!K,'0       v T ZEO~Q~?$V
                              -V~9~
    $ PAN:q (/61 v

- ~-

                                           ,,ý Lý7'IkIi 6

x~*Jo*r~ *Z~~:.t* ~*~urt~bc~*r *~oE33 16 W!06 Three Mile: isliad. Mete.--rogical Cibrttion: R~-24 Pae 3 of B8.

                                         ..'..'" ..".. """":: *':... """ D, il ....;.o' ..:..,-i ,*F Da*e_
    . B Signal cornditioners and Recrder:..
                                                                  . e.ord*'   A  .                           Speciuications AF__        AL         AEQUIV_                                                $ign~        CondR6coder 7 ZEROZ25;F'V     __'il* v                                                     2.57 IV  +/- 0'050V::

T$PAN Iv iK ,4643VO.0550V 10:0 f:C WS-ZERG4O~5_ ______V ~~mph, ~ mp .OOOV i 0,'025 ALOEQLV+/- 1mph WSP'ANqYV - V~mph: mp~h 4;262V +/-V025V AL. EQiV.+/-1mp' i rI Io 4

                                     -'-     v-                                            0;000V'+/-:: 100v.            AL,EO.UIV+/-,2,5c WDZESOAN 4ý 5_V AL EQUIV 4-Z5'.

xTZEkROI3/33_V - V6- 1,42'9V'0:050V' RTPAQ._V,

         .iTr'EROP~_ V            _

4 TSPAýN .~_ ______ 4':43V +/-0.050V Mura~&Tretd~ii&CbuFirst 1-kjW. J2ive, StnteA Pakaiac' iliniis' 6 6 W.M (7.) 96,100

.. , 'xe _on. `3f:i-O 'ac.!, R,, be"cF0 6 17 W/06 Three.Mile.sland Meteorol gical Calibration R-24
'./Page 4.of8'.

6 ae --- 2 :P:.:::ii' B Signal conditioners and'N~ 6aaL-gr' Sigýnal Cnditioner Voltage Out DOt Logqer Sspecificain AF AL- AL EQLI IV AF-AL S~qnl Coe. ata Loc'oe 33 f t.: T ZERO.5 V, 2.:57. V 0 5V TSPAN v-wos ZERca..QoeV  : MiP " 0-009V +/- 0,025V AL EQUIV 11mph:

                                                                   ~Mph-               nlph' WS.S PANil."*Vr                                                                       4.262.-V: 0: 02 5V            AL.EQ.UIV +/-Iimph WO ZERO d.ooiv V'ý          ":V      %- 1'.5                                         '0OO0OV.i0,1.00V.                'AL EQUIV 2.50 Wo 8PAW 4.4 1/v                                                                         -5000V   +/-  OAO.:0          'ýAL EUV+/-25
   .:     AT  ZERO /."(3 3_'V:.                                                                  T429.V+/-40-05QV
          ,NT SPANý: ;ý                                                                         5000OV+/-0,050V T ZEROk            V 2: 571V+/-O5V
                                     -----  777F7o                                                                                      -'

T SPAN. W-LO3' V: 4-643V 0.050.V

                               -'md:aL&

Tretttqliý:'>6ooFirstsknk-Drive Suite.A PdIi'Ii( o6,Q(~93-~o

co'nCitrazt, vu-mbrr8Aý ,- Three Mile.Island Meteorological Calibratioi 7/06 ' i R-24 Page 5of 8 Date: 01 TOEMrfEASUREMENTS. IIE] Amben []b Bath te Tempratures A:: 3 f.*I* Ad .* 33I A b.

-AF AL AF- AL. AF AL .

Measured:

                 ' .ec'orded                                                                                           ..-           'F               F-:
                " fference                                  .F-           '       0,5F                 -       T" 06pecication S1ý5 01Ft-.                            :A. 1-50 ft ZT-                        .B!.,85,.oft.
                                                                                                                      .,,.AF,          ;,'"'  AL '... ." ,." .          '
                                          ;FV                :AL "            '    AF                 "AL                AF.

easurec1. ,2 CO*"-X 'F  : .... ,.., .  :* ______.......".E: ecorded - 6*. F .... _-S F..

                                                                           ... ..       ':".F... ........ ... F:..
6. O:*.: _ -"*.F
-,
  • F.*" ".s fference!: - *.F  ; _ O.. .. :F .. -,.5" F . . ... F :.- . ...- ..

SPec +/-O5cati*

                                    -,+/-..*0515F    .                    ".         2        -"F" A' 10             t-                              B     1I0OOUr                                  150 f L
                            'AFAL:S                                   AF                    AL                     AF,                  AL                 Sei~ao WS stall                   Ph, 4.~Qjimph              -     4ý C; mh       6h           ý'mnph' '~J                 ph               ' mph        0.0mph +/-0.5mph, Forw.WD '3     3    "--.               _.      ..        '
  • iS_-. ,' . . 38430 "6r..

RevrF'WD -5.' o7 o637123,5o 15230,4" The 343` and 163/523 specific-a*on is'.fo the A 100.ft: .win6ddio 6i6 only and theB0 ft and 150 f uses the 250o0 and.7on430o specification for the wind direction: Tracking/w~ear _______ COrrments, Mur -TrtteýIInc 63brl'wsl Bank-,DrziA"uvte Ilros.bo7 Ii '8 7 '390 '

Thrp: Mile Island Meteprological-Calibration . .. ,- 24 Page 6 6f 8

                .Asplrato6rs,:.
          -Operationof Rain..

7  :: ' i :  : ::!:!::*

  • wag:~*.  : . .': , * ,.. : - , a e f Debris screen: In: Outnst!I1e -.,'Removed Th..weqr-,n'd itf Good; Fair Poor-Paint' E Guy wire tension If El
                                                                                            $helfer conditionr'IJ                                          El AF,       As Found                                                           S:        .        f.fi,.
                                                                                                     ,.Psychrometer              - S/N -. 11.71* 010-3*..         :

AL As Left. Dig"hital mutimeter -S/N - O 26 i

            =   no change (AF=AL)                                                                 Digital multf-*eter-'SN-                           -

FS. = Full Scale I *0 *\..~ .I~:P'-tY

                                              ,,t.urh, I;                 ~A'    ~   :. .... ...   ..   .:. -\0 Ct:
                                                                                                   ~   '. V.r. i.:~.-'.. '-7.,..

Comments: .-.. . S gnature:(J4#L(i9

I:.':

Mu60,i eMrt

w. tonfr Bc i Drn~z te A akitme I 1kizOis 66667.V A &)~6qo

I-0 "I i r a ot3 t',1 IrLi P0 7"of110

                                                                                                                                                                                                                 .  .r:24 .

Page:7 obf 8. System:Response Che.k' "Da".."e."A~~i SSyitePs TM9 Sypte~m' P~rocess Computer - A0992-'A0995 I

  • A0992 i *' A0993 A0994
                                   '1fW099200WD                                                                A0399T             A09195 150-33' A Týi Expected                                                                            +/-2.                      +/-0.T
        .Response:                              .+/-    .
                                                 +/-604..

As.Found Respons-R - . -I.. -  : 6.*." 4-- As Left Res~ponse -

                                                      =    I                            .......      I ,

Mid Scale Check A 0992 :A0993 A0994 A95103A

                                         )':ws                        .100. W E :'kcted'"
                                       ,          , .  *ji
                                                                                                                      +/-Q.5        AO           l.        +/-0.1ni:

Response

                                                "+/-0.4.          ,39 q~O                     ... 7,,

AsFound' ............. i,,* As Left Response , Full Scale Check. F*7 A0992 A93A94* S __ 10 D F '3'TA99, 03 - T Expec~ted " Response ... 1 +/-2 ~2-c.~ +/-05 iq~~1' ~0'1

                                                                                                                                .  .  - ., -:Z      . -!"  .

Left;

  -. .....      jh-e n:

e - .e'!. .1 ' .. - ' 'C Respond,

                                                                ----------                                7~2.

.:,*As Left Reispo nse j

...*/-.*I?*: . .

Muirray& Iliet4h. o r ~zi~'L~ ~~tAPgfn' 1jcis60 9 (847)gt03-9000)o

                                                                                                                                                                  *                  ~         c.i~          Yr'i-t '..Nunib~r ~

Checklist'- Murray & Trettel Met. Tower Calibration for.TMl ;L:7)06 ( : ' :i:.R-24: (Initial Iallsteps upon..completion) Prerequisite ..

                            'Notify the Ch~emistry Rep.,thatM&T peronnel are aiving on-siteand instruct to take theworK order to.in-.prog'.

After goi n, the Gait 20. ensure the gate is tocked to maintain Site accs ont."t VL., Contact Control Rooni Supervisor to inform that the MIt Tower. Calibration wilt commenc"eand: the lower is oOS .:fx8T71) Tell the Control Room-that sporadicalarms may t

34) be receive*dthroughout tee",olution.

Ensurt the proper EJis:av0ailable and:in go:d conditiornj(Fall Prolection:equipment,"etc).,

. . 5).

The Site representative will perfoirm a pre- ob brief using HUýA-:1211: Brief shall include discussion of approp!ate salety precautions inbJuding;fal protection use of gloves, hardhats, safety glasses.':.

              "ot/t'a1)Permorm                          ofuthe       sensors and record  eridn th data IAWV        M&T pri66edure P.1009,                               .A.

2). letfo.*m" calibration of theB9sensoris and rec*irdthe-data IAW M&T prccedure P ,1009. UP the MetTo rtseve, .. uforn:t he.Co ntrol Ronniit~s r cý: e =f-:.i: , " 1); Ensure onti~ m.ndtcations 'e eselected to the-AtP'r:*c.-ess.or-'R:acl..t oRli.m eso.R * :--;-< **. . . 'A*'-

     " _'.:, ..       . 2Ensure alliprocessor switches are in the-'OPe.mode aid the:redý "OPS .light is.off                                               The:.wind direc-tion lightjmay be on, dependingn.the adtualwnd direction*. tlhisis acceplable .                         .
                  . 3) C:ompare               mtervalue'sfortvib,*ifferent tpara                                 -1 mtinute averag            on.the-computer.i...inmule.ayra.e.obtained by`cloing .n "Options then.on AV:                                            '
                       ",4)erify ail acoeplancedcriteria has beenomet, record discrepancies:and conmmenrts on thedidalta:sheets. Noify .he Cheistr/ contat for any                                                                COS-6equipment or
                                                                                                                                                                                                                                                 .e icienes.-
                .. /5-). Review the           data sheets-for completeness                                         ,'
          " "                F i reui redeacceptan-e riteria'*re met

() IF.. tify the Control Room Superir thar theb et tower, isreturned to service

           *.:,"       7). Ensuretneheating;& ventilationsystemý:is operatingtum off Iheshack light'and lock the shack.door.;Ensure Gate.20 is locked.:
. .. -. \*'            8)'8)Notifye   theChemtisty 1Nollyt heCh heC     immirsr.e    e. .tathttewokecosd h w r re               ll*~     ~ls           ieIP'I.V..

do lt:_l *.. , *-ify. .,,.a;,hwo _____order mafty loe outin Altaccptac cr r e nd t isr r rrturni to service-, (&T Rep) ,: @Dte.

                                          - +3...;

MA- 'ite"y"&f. T--

                                                                 "url-                 ,     ' . 666 "I'stBnk DriLi;"c"!   : ,     t    a . -rilr .ine,           .            .".rin...2(                  woo'.

Exelon Contract Number'.8,0633 Alý Equipment Maitenaince Log R724

                                                                             *~1*hue)wor'k S...--e:.    .F.1.                                                                                                           . i , '.: .:ee
                                                                                                                          ' .K.                '!*'i"?
                                                                                                                                                 .kda* y .  : '-      '

UWiaekend I H liday,

                                                                                                                                   . page      L.of Reason for work / Na Iro                       w~m                                   /
            ~~~~~~~~~~.. . .- . . :   . . . ..     ....          .. . . .  . . . .. . . .:      . ..  , . . .' .. " : . .   - ., ,     / ," . "                         .
        ?,easurirno Test Eauiibment Used' W-Vork cormpfetd?.T          ~yesO           o          Clbae?             ElYS.~                  E    NA.

MeOroio09=a Dat Tchicin e~Hour OT H6urs: El Micrbteml

                                            -  O~7 ~                               _________                0      is!Iblty monitorlfog wmarn sins
                                                                                              .                                            .r
  • 14 urrau
                                    &           Inc
                                                'TIC.t   o Firrý! &rnVk Dri~ve, sdiite A                              W~ci'Ii~i oo~~(~)9:~                to

Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station May 2007 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mtc-weathercommand.com web: http://www.weathercom mand.com Reviewed Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Table of Contents Section Description Page 1 Station Action Items ................................................... .1 2 Equipment Maintenance .................................................. 1 3 Data Recovery Summary ........................................... 2 4 Sum mary of Billings .................................................... 4 5 Data Analysis ............................................................. 5 6 Computer Processing .................................................. 5 7 Annual Report Preparation ......................................... 5 Murray & Trettel, Inc. 6oo FirstBunk Drive, Suite A Palatine, Illinois 60067 (847) 963-9000

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Equipment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 1O'h of May. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

On the 9 th and 1 0 1h, a technician worked with plant personnel to install a new breaker. Power to the met tower was shut off and restored as requested. Data for all parameters (A and B) was lost for 24 hours due to the power outage. On the 15 th, the 33 ft. Bravo temperature was out. The signal conditioning card was re-seated to correct the problem. In-house on the 22nd, 3 wind speed sensors were given new bearings and calibrated. No other problems were encountered with the equipment during May, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through May is summarized in Table 1. Data loss was due to a power outage caused by the plant.

Table 1 Three Mile Island A Data Recovery Summary May 2007 Hours in Month = 744 Hours to date = 3624 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs Hrs  % Hrs  % 10OFt Wind Speed 720 96.8 24 5.9 3597 99.3 27 4.7 15OFt Wind Speed 720 96.8 24 6.0 3595 99.2 29 5.2 10OFt Wind Direction 720 96.8 24 5.9 3597 99.3 27 4.8 15OFt Wind Direction 720 96.8 24 6.5 3596 99.2 28 5.4 33Ft Temperature 720 96.8 24 5.9 3597 99.3 27 4.4 15OFt Temperature 720 96.8 24 5.9 3597 99.3 27 19.0 15OFt-33Ft Delta-T 720 96.8 24 5.9 3591 99.1 33 4.4 3Ft Precipitation 721 96.9 23 5.9 3577 98.7 47 6.0 A V E R A G E

  • 96.8 99.2
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary May Year to Date Three Mile Island A 8 8 All Exelon Sites 20 78 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 6oo67 (847) 963-9000

3. Data Recovery The record of data recovery for the year through May is summarized in Table 1.

Table 1

                                                                                                           . r Three Mile Island B Data Recovery Summary
                                                      *May 2007 Hours in     Month = 744           Hours to date = 3624                Hours in   year = 8760 This Month                        Year to Date Measurement           Valid        Lost    Edits             Valid        Lost    Edits Hrs      %       Hrs      %           Hrs      %        Hrs     %

10OFt Wind Speed 720 96.8 24 6-2 3595 99.2 29 5.4 10OFt Wind Direction 720 96.8 24 5.9 3595 99.2 29 5.3 33Ft Temperature 658 88.4 86 13.2 3500 96.6 124 63.1 15OFt Temperature 720 96.8 24 5.9 3595 99.2 29 19.0 15OFt-33Ft Delta-T 658 88.4 86 13.2 3499 96.6 125 63.1 A V E R A G E* 93.4 98.2

  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary May Year to Date Three Mile Island B 6 6 All Exelon Sites 20 78 Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

4. Summary of Billings for Eguipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Aqreement - May 2007 Three Mile Island Description Cost Meteorological equipment maintenance $ 1,178.80 Meteorological parts, materials & contractors services $ 16.94 Total for Month: $ 1,195.74 Year to Date Total: $ 2,210.03 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processingi Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Three* Mile -Tsl:and Nuo'ýLilear..S~t-acic Mlay:20 Mis Valid Parameter:.

  • Meaýn Maxk. Mi n. Urs: E~

41.0 .24-:. 7-20o

         - soFt Temperalture          (F) :             4..       .... . 1... 42. 7         .24.:     :7.2 0 lOOt.

Wnd.,Speed (.:-MPEf 6.* 2, 1.:.4*1:4 1.-3 24. 720

     .:.iSOFt Wind. Speed.(.,MP.)                       -6.7:18.              -Ca.!mn       24.        7120
                                                            ý05.2                         ..2:.4i/     7.2 0
     .i.~ 50,.Ft.** F: ,::i: 04t an-1,

[I : :(P)g :. 150:* -iOFT Dir~ecIdion She~a (eg) 3, 79 0 -28. 25 . 719: 22...3. 5. .:621 l5O .Ftl Sigma Theta: d- :109::: 20.5 5 0;.0 5.. . 6:35

            -2I.FKKec,7-I                                                                              72*1t 1.35 Max 2.4our Tota 1.                0 57 Max 1- Hour Total                0.27 There... were     744hou*:::.rs  in    May, Tablle pr'e"p-a'redlo n:d      7 /320 3 /2 0 0 t 93

r e Mile s:a..... .B..e.0*.... . a.. Th:"reei:*:**:.:::,-:N l Is: 1..an-

( . sii*: :7/

May.: 200O7:

                                                                               .  .                     Miss.   '.-Valid P:a rameter*                                           Mean,           Max;.          n. A-rs.      Hrs:

i: * ::: :. :::.i. *6 5i.(

                                                                       . 0.:!..-

i33Ft Temp.e rature ( 64.3 8: i8.9:. 3: 42.8:: ,720 7.: -1.0+/-j ,24  :.72.0 1%5 OF."t -jJFt':" )laT. (F) 00 5..

                                                                                    *.4 4 '::.      7::

5 ,-D 0ODF Sigfria. Th~et:a '(degYý:.' 22,.1 " 124 620 Ther~wr 744;- hbiprj. in M~ay

                     -a~'r~aed on            3/
                                           /2,0 07 at             9:3 6 2.-
  • Three Ml.e is~lrand A
                                -D-fferent*ial     Temperature
                                                            *               -degC/il-<0m Discribionn 150'-30~ ft DTI iT
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                            .Su~biliniy       COaSSM7s 232 31 :720h
                        - cTOTAPL -4O             h c".URRS PR ...... .OUCE.-        07/;7.-
                                              .6/                  9:37:14
                                                                                  -!*7,'.W*!*,,*,*,

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                                         -t5 GE DT LT                                -70
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                                     ...,: .."5 G E DT**                                 4:

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                                              '0GE DT' LT                                       5 127 UstanF                        U RS                                                 200.O 3:31ý 658
                  . ... . :.. .... :.:. : .: : : .. ::..:.:..; ::(::: :                      ,,        4"...,':
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TABLE PRODC ED*LC-f 07/0 3/)V 0:37T: 14

                                                                                                                                                 '~
                                                                                                                                     .12 7.106, R-,24 Three Mile Island Sit.etg Routne: Site Visi4taton
                                                                                                             -    Date        16-E'nd.            3         EST Opearatioin of date. Iorgger Air Cond, Systm Opra:oa LaySe)£lES A Readin*s (Taker at /                     X'J:?EST)                                                                   4a SPEED                DI1RECITION:           TEMPý
                                                                               'i:AT..    ""'
.,33b.k           .-

ft. "' " '*:" mph JLL.2 " -':/.. `F.. B Readings (Takeni at AI EST) SP~EED -DIRECTION" TEMP

  • AT i r:n f+

a . . . . . . .*:.... . , :a ,, '.*.. Do, S ~ed and DEiretion values agree.with:wisuaI indicaticns?. Yes CU)TD 0 ..... _..-- Rain gauge check-made at:_______::EST 0 No:rain gaugecheck made dt precipitation PsycromterMeaureentReadng Takn a k~:31 EST) Dry bulb,~C J COMMENTS.- Techniciam: /r Marrag&Tee~j~aej -.a600 Fit &znk Tyrive, SuteA .Pa1kznin, lfnoi& eoc`)7 IR (47ý. Qb9&gcfoo a .:.

                                                                                                                                       .a

Exelon Contract Number 80633.-, Al Equipmen wrMaintenance Log' . : *:.::

                                                                                                                   '       "..::.            7106
                                                                                                                                    ' :;* iR;-24,"

Qi-houte work

                                                              - CFiýId~wwork,
                                                                                                                 " " eekday::

PagWe en ofia 'Rea~son ~for wojrk' Natue of Problem I;' c~ ~.L ~ ~ & AIr~ Work Pedonned !Act; nta eni:~ j -~ 7 ~ PC ~ fio. }J(a A & /' . 1 .a-9~.**>4~~-/~dD ~,/)C~4 6A ~ ~ I-N <NF Measnnc Tet 450wt sd 4-. i~4 ~ A "~}( Y-,. Unt1/N9 Menurinc Meteorological. 7Use Dae TechnicianL Rep Hours HOTIurs. ElMic-tel' 13f Visibili-,y rnoi'itofif/tg warningl sign.fi.S. 6-2, _ - _ _ N _ _ - N - ~ - LIabor: re O Travel mi S 1-L Misc:-

                   - Mu'r'
                       &Xr'ed-Tc      '6oo    Fis     Doriue'DeSuileA,          ~       inio~s'                       ?39O
                                                      .*~ ......
                                                       ....    .. Ni. ~     ~~S
                                                                              '~N                                Co / . 6 '

Exelon ContraCt: Number, 806.33

                                                                                                               ' L.W- weekencd f HOliday Page. ; of f Reason for work/Nakire of P'pber                 *~.{r Wotk Pedforme~d/I Action l~i'~faJ                                                    &       Q1Wk-                       ~
                                                             -Fv-Measurin Test. Eau      ,:qne!it sed..                               .   ....

Im 44S/N' j4 A _______ Work Comp~leted? ElYes, Li N~o Caiibr~ate.d? LfYsCN ]NA DateTechniciAh e or OtHoursý IJI Microtel 4

                                   ):..0             ...                      ..              1  Visibility.Montofg wring9 si ns:
                                          .44                     .4.4                      UJ~Other.:           _     _  __   _  _

UiLbor: ;6 Travel: . _____ to__ I_S F44 Ms 4

Trn-di'ctelibnc iiB'i, Y?ý Pfritqe uif A':Pdit'iii" Ilii 9s~d6.2~44:
                                                                                       )ýý Z\br-k\

Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station June 2007 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mtiweathercommand.com web: http://www.weathercommand.com For Exelon Use Only Reviewed By: E&O Date: N_ 01 Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Table of Contents Section Description Page 1 Station Action Items .................................................... 1 2 Equipment Maintenance ..................... ......................... 1 3 Data Recovery Summary ........................................... 2 4 Summary of Billings .......................... 4 5 Data Analysis ............................................................. 5 6 Computer Processing .................................................. 5 7 Annual Report Preparation ......................................... 5 Murray & 7rettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847)963-9000

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Equipment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 9th of June. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

On the 8 th, indications were lost at the met tower. A technician replaced damaged op-amps to restore operation. On the 1 4rn, the Alpha temperature system was reading incorrectly. The signal conditioning cards were re-seated to restore proper operation. On the 2 0 th, a lightning strike affected all parameters at the met tower. Op-amps as well as signal conditioning cards for the Alpha temperature system were damaged. The damaged equipment was replaced to restore proper operation. No other problems were encountered with the equipment during June, and at the end of the month, there were no problems evident at the site: Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847)963-9ooo

3. Data Recovery The record of data recovery for the year through June is summarized in Table 1.

Table 1 Three Mile Island A Data Recovery Summary June 2007 Hours in Month = 720 Hours to date = 4344 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs Hrs  % Hrs  % 10OFt Wind Speed 714 99.2 6 21.2 4311 99.2 33 7.4 150Ft Wind Speed 714 99.2 6 21.4 4309 99.2 35 7.9 10OFt Wind Direction 712 98.9 8 21.5 4309 99.2 35 7.6 150Ft Wind Direction 712 98.9 8 21.8 4308 99.2 36 8.1 33Ft Temperature 704 97.8 16 24.6 4301 99.0 43 7.7 15OFt Temperature 705 97.9 15 24.7 4302 99.0 42 19.9 15OFt-33Ft Delta-T 704 97.8 16 24.6 4295 98.9 49 7.8 3Ft Precipitation 7.03 97.6 17 21.8 4280 98.5 64 8.6 --- VER----------E------- A VE RA GE

  • 98.5 99.1
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary June Year to Date Three Mile Island A 0 8 All Exelon Sites 13 91 Murray & Trettel, Inc. 600 First Bank Drive,Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through June is summarized in Table 1.

Table 1 Three Mile Island B Data Recovery Summary June 2007 Hours in Month = 720 Hours to date = 4344 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs  % Hrs  % Hrs  % 10OFt Wind Speed 705 97.9 15 22.9 4300 99.0 44 8.3 10OFt Wind Direction 705 97.9 15 23.2 4300 99.*0 44 8. 33Ft Temperature 699 97.1 21 21.4 4199 96.7 145 56.2 150Ft Temperature 705 97.9 15 22.2 4300 99.0 44 19.5 150Ft-33Ft Delta-T 699 97.1 21 21.4 4198 96.6 146 56.1 A V E R A G E* 96.7 .98.1

  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary June Year to Date Three Mile Island B 0 6 All Exelon Sites. 13 91 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847)963-9000

4. Summary of BillinQs for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Agreement - June 2007 Three Mile Island Descriotion Cost Meteorological equipment maintenance $ 1,143.90 Meteorological parts, materials & contractors services $ 0.00 Total for Month: $ 1,143.90 Year to Date Total: $ 3,353.93 Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 600 First Bank Drive, Suite A Palatine,Illinais 60067 (847) 963-9000

Three Mile: Island :Alpha J une .2007

                                                                                   *Miss    Valid Pararfneter                       Mean             Max        iN     iiHrs     Hrs 33.7t Thmperature" (P)                      725             93 .2   53:0         16,     704 ISOFt Tendperaedur         (P)              72        -C,   92,0    5'3.4                705 10OOFt Wind Speed(MH                          6.1           19.5D   Cal            6     714 115.OFt: W~ind Sed        MH                  64            18 3    calm           6     714 150Ft-33Ft      Del]a-: T    (F)            -0.5.            2.8 i.  ..          16-     704 150-100 FT      Direction Shear (d"ieg             4.-:0        1 28.0 -16,8-.         13. 707 lO.OFt Sýioma     Theta (deg)              22.8            tc;       c- ., 0*

150F~t Si}gma Thet* *(deg) 103" 617

                                                -2)1..            0.0                 88      632 2 FT     PrecJpnit at ioncn                                                      0      703 Mo-Inthly  Total    .. ..       2.30 Max 241 Hour To~tal             0   .'54 Ma.x   1'Cur Total There .were 720 .hours in June*

Table preparea on 7/19/200 t 14:03

Three Mile Island Braavo June 2007 Me.-.n Miss Vali d Parameter Max Mi Hrs .Hr5 33.Ft.: Temperature. (F) 52.9 21 9.9 150P.t,- Temperature F.)- -72.0 92 .1I 535 15 -70,5 00oFt": wind Speed (MPH). . Cl.. 15 705 2:.7 0

1 5OTt - 3.Ft: e It a -T:F -0.

1O.0OFt Sigma Theta (deg) 2,2".5 1 :0.'( :..".C0 106 . 614 There w'ere" 7'20 hours .n june Tabl e.p*e pred on 7/1-9/207at  : 14:0-3

Threee Mi1*islarid A1'ph'a* Differerintýial Temperature Pf-s t'ribution (degC/l100rn) 150-30 ft-DT"T.-7.5 .0

         -7. 0. GE IDT'LT         : 0.   :0 77.O     GE DT L',        -6.                     0
         -6.5      GE  DT LT        -6.0                    0
         -6,;. 0   GE  DT LT        -5.5                    0
         -5.5      GE  DT LT        -5.0
         -5.0      GE  DT LT        :4 5 4:5     GE. DTF L        --40                    0
         --. :0 E- :TT0T T                        'b           . ..
5. GE: DT LT . .0 2.

A0.G;-7TLIT 57..>.

           -. 5    GE DT iLT          2   0               34
           - 0 GE: DT LT                  5             122:
         -1.5 GE DTLT                 I- ,110             5-7-1.0 GE DT LT             -0.5                  5
         -0.5      GE DT LT           0.0                64 0-.0 GE DPT LT             0.5'                67'
0. 5 GE DT LT -1.0 30 1.i0: GE,' DT1 1T .1.5 . 16 1..0 GEý DTLT 2 .0 10 2.0 GE DT LT 2,5 22 5 GE DT LT 3.0 15 3 0: GE DLT :l 3. 5. 6 3 5 GE DT LT 4. 0 4A0 GE DT LT ,4,5 3 45 GE DT LT 5.0 0 5.0 GE DT LT 5.5 -0 5-.5G2 LT LT .0 '0 G -0;GE DTLT 6.50
6. 5 GE DTLT L ... 0.

7.0 GE D T.LT 7:.5 ... 0 7.5*GE DT 0-N.C St ability Classes UJns:tablIe -216

              ,eural       :                            2,5 Stabhle                          -        232 TOTAL No.,..C URS TABLE PPRODUCED        07/1.9/07 ,13:2:::,39 :

Th ee: Mil~e Island* Brav"o bi ffe.b , ent ia1 Tenp-e~ratire i~Strihit io'n' (ýd

                                                              ..                                  iC/106r 150:30" ft:

DT LT -7.5

-7.0::*

DT LT: 0 75 GE 2"

                . -O:GE          PTT LT       "S'.5 4:.: :-.

5 -.GE' 0 :

                                 'PT LT                                , i.
                                              -5'. 0
                . 0 GE D'T' LT             -6.0
                                              -4.5 DT LT        -5).5 PT 'LT 0

DT LT 4:15 GE E..E G.. PT LT.

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Ex~elo, Conitr~ct Numuber O3 12

                                                                                                                  .7/O6 Rw.24, Three Mile Island Site Routine Site Visitation Log B Iegin: i:ZP.,           EST End& .-V7 7.           EST Operation of data logger Heater System: Operational(Oct-Apr)           Fl     S::         Bj     iiiii, Air Cond. System-Ope rational (May-Sep)       iYES             El A Readings (Taken at ,-*-.            EST)

SPEED "IRECTION TEMP_ AT

.33 ft.                                          ~JF
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Exelon contract Number 80633 Al Equipment Maintenance Log 7106 R-24 Date(s):' - LI )j-hou-*se .work 2< Field-work:. Site: * *Weekend .Holiday Page _ of.j_ Reason for work/INature~of~rbe:-~ f~? ~4Jc -/ o~ Work Performed/A ction,taken?: .,( TIZ4~bc~/~~~5,4* gel,,ý

                                        -~~L~   -           3/4:'\4-rfies Used          Workrnqes Competed                        Now     CaCrte?1.              YsEiNoI Unit______    __________                                 _______D.Mtooo                        ia
                             ~

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q ] isibiit _____________________sign

                  -5,      -                                                          Other
  • hetidThe Murro& ~o Pjr't ~onk Dn.'~~. wteA Paat~rw l lias-bt6e 84)6~9~

Exelon Contract Number 80633 Al Equipment Maintenance Log 7/06 R-24 SDate(s):(,, _*,,, o~z L I Fhouse work

                                                                       ~Field. work.

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  • Bii:i:

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                                                                                     .. .. ..      ..         ther Labor                     reO  _.

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                                                                                                                                                                                            /

Exelon: Contract Number, 80633 Al Equipment.Maintenance; Log

R-24 cr. Fietd work:

Site: .A ¸ . Weekday

                                                                                                                                                                  - Weekend I Holiday Page        1 ofýL  L.             I Reaso.n for wrk/t,.                Prdbýb.emc
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Table of Contents Section Description Pac 1 Station Action Items.......................... 1 2 Equipment Maintenance....................... 1 3 Data Recovery Summary . ............. ....... 2 4 Summary of Billings .......................... 4 5 Data A nalysis ............................................................. 5 6 Computer Processing ......................... 5 7 Annual Report Preparation ......................................... 5 Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9ooo

1. Three Mile Island Station Action Items PendinQ Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Equipment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 5 th of July. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

On the 6 th, the control room lost signals from the met tower. A technician replaced op-amps that feed signals to the control room to fix the problem. On the 2 6 th, the 100 ft. Alpha wind direction was reading 80-90 degrees less than the 100 ft. Bravo wind direction. Upon inspection it was discovered that the vane was missing off of the 100 ft. Alpha wind direction sensor. The control room was switched over to the Bravo wind direction until the tower can be climbed for repair. The tower cannot be climbed due to Osprey nesting on the tower. On the 3 0 th, the met tower received a lightning strike. 2 op-amps and a Delta-T card were damaged. New op-amps and a spare Delta-T card were installed to bring the met tower back in service. Data missing from the Bravo system was primarily due to lightning strikes during the month. No other problems were encountered with the equipment during July, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through July is summarized in Table 1.

Table t Three Mile Island A Data Recovery Summary July 2007 Hours in Month = 744 Hours to date = 5088 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs -% Hrs  % Hrs.  % 10OFt Wind Speed 716 96.2 28 3.8 5027 98.8 61 6.9 15OFt Wind Speed 743 99.9 1 0.3 5052 99.3 36 6.8 10OFt Wind Direction 698 93.8 46 30.8 5007 98.4 81 11.0 15OFt Wind Direction 743 99.9 1 0.7 5051 99.3 37 7.0 33Ft Temperature 727 97.7 17 2.2 .5028 98.8 60 6.9 15OFt Temperature 727 97.7 17 2.2 5029 98.8 59 17.3 150Ft-33Ft Delta-T 727 97.7 17 2.2 5022 98.7 66 7.0 3Ft Precipitation 735 98.8 9 1.2 5015 98.6 73 7.5 AVERAGE* .. .97.6 98.9

  • average of priority pa rameters (all except precipitation)

Data Recovery Scores Summary July Year to Date i1 Three Mile Island A 3 115 All Exelon Sites 24 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9o00

3. Data Recovery The record of data recovery for the year through July is summarized in Table 1.

Table 1 Three Mile Island B Data Recovery Summary July 2007 Hours in Month = 744 Hours to date = 5088 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs Hrs  % Hrs 10OFt Wind Speed 716 96.2 28 4.3 5016 98.6 72 7.7 10OFt Wind Direction 698 93.8 46 6.9 4998 98.2 90 8.1 33Ft Temperature 679 91.3 65 8.6 4878 95.9 210 49.2 150Ft Temperature 700 94.1 44 5.8 5000 98.3 88 -17.5 15OFt-33Pt Delta-T 675 90.7 69 9.1 4873 95.8 21"5 49.3 A V F R A G E

  • 93.2 97.4
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary July Year to Date Three Mile Island B 20 26 All Exelon Sites 24 115 Murray & Trettel, Inc. 6oo FirstBunk Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

4. Summary of Billingqs for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Agreement - July 2007 Three Mile Island Description Cost Meteorological equipment maintenance $ 687.60 Meteorological parts, materials & contractors services $ 470.80 Total for Month: $ 1,158.40 Year to Date Total: $ 4,512.33 Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine, Illinois 60067 (847)'963-9000

T:'*':

hr ee *M zIll',Is ],and..A:,l.n*h'a.:: 2007 Va~lid !: .,:" :;: < _Mean !1xMax, in Hrs 3 T- TperaLLre -pc .i:!i

i. 17, : 7 7 i C, 3F Tt e npCrtui D u E):

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Ac, o09 Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station August 2007 prepared for Exelon Nuclear. Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mt(a)weathercommand.com web: http:I/www.wealhercommand.com For Exelon Use OnI Reviewed By: Date: / /1* Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Table of Contents Section Description Page 1 Station Action Items .................................................... 1 2 Equipment Maintenance .............................................. 1 3 Data Recovery Summary ........................................... 2 4 Summary of Billings ..................................................... 4 5 Data Analysis ............................................................. 5 6 Computer Processing ............................................ :......... 5 7 Annual Report Preparation ......................................... 5 Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine,Illinois 6o067 (847) 963-9000

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Equipment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 7 th of August. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

On the 20"', the Bravo system temperatures went out. The delta temp signal conditioning card was replaced to restore operability. On the 2 6 th, a lightning strike caused the met tower to fail. Both op-amps were damaged and had to be replaced to restore operation. No other problems were encountered with the equipment during August, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through August is summarized in Table 1.

Table I Three Mile Island A Data Recovery Summary August 2007 Hours in Month = 744 Hours to date = 5832 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs Hrs  % Hrs  % Hrs  % 10OFt Wind Speed 743 99.9 1 1.9 5770 98.9 62 6.2 15OFt Wind Speed 744 100.0 0 0.5 5796 99.4 36 6.0 10OFt Wind Direction 743 99.9 1 99.7 5750 98.6 82 22.3 15OFt Wind Direction 744 100.0 0 0.5 5795 99.4 37 6.2 33Ft Temperature 732 98.4 12 1.6 5760 98.8 72 6.2 15OFt Temperature 744 100.0 0 0.0 5773 99.0 59 15.1 150Ft-33Pt Delta-T 732 98.4 12 1.6 5754 98.7 78 6.3 3Ft Precipitation 744 100.0 0 0.1 5759 98.7 73 6.6 AVERAGE

  • 99.5 99.0
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary August Year to Date Three Mile Island A 0 11 All Exelon Sites 21 136 Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through August is summarized in Table 1.

Table I Three Mile Island B Data Recovery Summary August 2007 Hours in Mon th = 744 Hours to date = 5832 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs  % Hrs Hrs  % 10OFt Wind Speed 743 99.9 1 2.7 5759 98.7 73 7.1 100Ft wind Direction 743 99.9 1 0.7 5741 98.4 91 7.1 33Ft Temperature 678 91.1 66 8.9 5556 95.3 276 44.1 15OFt Temperature 732 98.4 12 1.6 5732 98.3 100 15.5 15OFt-33Ft Delta-T 669 89.9 75 10.1 5542 95.0 290 44.3 A V E R A G E

  • 95.8 97.1
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary August Year to Date Three Mile Island B 13 39 All Exelon Sites 21 136 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 6oo67 (847)963-9000

4. Summary of Billingqs for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Aqreement - August 2007 Three Mile Island Description Cost Meteorological equipment maintenance $ 1,477.50 Meteorological parts, materials & contractors services $ 35.48 Total for Month: $ 1,512.98 Year to Date Total: $ 6,025.31 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9ooo
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

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measurinq tost Eauipment Used ~ e k -". Ci.., ~ Unlit "s ______ _______ AWor1k Co~mpleted?~ 0<1ýes 5" No CIalbratedA) [9-*es U No 0- NA, IDate Technician Regi-Hours, OT Hdurs 0~rotelM> I5.~S ___________ ________ ________ O hsibility monitorIfog warning sign§-.. 4- r -,Billable Labor:I ____

                                                                      ~      ________                                                                                 >~Travel'.                                                             twt' (6mi Mury&Tee, r.-o~rF~iDieSde§                                                                                     rrliois            6&;667,.W (84,7) 9C63 2ýooo
                                                                  .A            .....

z; ' ~N EXelon Contract Number 80633'

                                                                                  ~                                                                                                  ~            Al' EquipmentN aMantenance Log N               '                                                                              .     .

70

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od$09 Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station September 2007 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mt*.weathercommand.com web: http://www.weathercommand.com For Exelon Use Only Reviewed By: &W Date: zj'"v? Murray & Trettel, Inc. 6oo FirstBank Drive, SuiieA Palatine,Illinois 60067 (847)963-9000

Table of Contents Section Description Page 1 Station Action Items .................................................... 1 2 Equipment Maintenance .............................................. 1 3 Data Recovery Summary ........................................... 2 4 Summary of Billings ..................................................... 4 5 Data Analysis ............................................................. 5 6 Computer Processing .................................................. 5 7 Annual Report Preparation ......................................... 5 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60o67 (847) 963-9000

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Equipment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 12 'h of September.

The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report. Also on the 1 2 th, a calibration of the meteorological tower was performed. A copy of the log is included in this report. No problems were encountered with the equipment during September, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine,Illinois 60067 (847)963-9000

3. Data Recovery The record of data recovery for the year through September is summarized in Table 1.

Table I Three Mile Island A Data Recovery Summary September 2007 Hours in Month = 720 Hours to date = 6552 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs Hrs Hrs  % Hrs  % 10OFt Wind Speed 713 99.0 7 1.0 6483 98.9 69 5.7 15OFt Wind Speed 713 99.0 7 0.7 6509 99.3 43 5.4 10OFt Wind Direction 713 99.0 7 38.1 6463 98.6 89 24.0 15OFt Wind Direction 711 98.8, 9 1.0 6506 99.3 46 5.6 33Ft Temperature 713 99.0 7 1.2 6473 98.8 79 5.7 15OFt Temperature 713 99.0 7 0.3 6486 99.0 66 13.5 150Ft-33Ft Delta-T 713 99.0 1.2 6467 98.7 85 5.7 3Ft Precipitation 713 99.0 7 0.3 6472 98.8 80 5.9 A V E R A G E

  • 99.0 99.0
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary September Year to Date Three Mile Island A 0 11 All Exelon Sites 42 178 Murray & Trettel, Inc. 6oo FirstBank Driue,Suite A Palatine,Illinois 60o67 (847) 963-9000

3. Data Recovery The record of data recovery for the year through September is summarized in Table 1.

Table 1 Three Mile Island B Data Recovery Summary September 2007 Hours in Month = 720 Hours to date = 6552 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs  % Hrs  % Hrs  % 10OFt Wind Speed 713 99.0 7 1.4 6472 98.8 80 6.4 10OFt Wind Direction 713 99.0 7 1.0 6454 98.5 98 6.5 33Ft Temperature 713 99.0 7 0.3 6269 95.7 283 39.3 150Ft Temperature 713 99.0 7 0.3 6445 98.4 107 13.8 15OFt-33Ft Delta-T 713 99.0 7 0.3 6255 95.5 297 39.4 A V E RA G E

  • 99.0 97.4
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary September Year to Date Three Mile Island B 0 39 All Exelon Sites 42 178 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

4. Summary of Billingqs for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Aqreement - September 2007 Three Mile Island Description Cost Meteorological equipment maintenance $ 0.00 Meteorological parts, materials & contractors services $ 0.00 Total for Month: $ 0.00 Year to Date Total: $ 6,025.31 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 600 First Bank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Three, MI': e: Island Alpha ecrtbr27 20a 07 Mi ~ S Pareme~er men* Max: Mix;, . Hrs 15(3Ft. Tempeate(F. 69.*0**

                                                                                                      .!7:-i**.:!i.l 6:i . ~0.4          44.3 89.~        ~       I             '7          71:3
"-.{
                                                                                                ..:        69*&:.0:;*:.:

10~t Wind Sed(MH) 1-.: . Ca:",.

                      -:50,V    WhdS                ed 1P{                                                                      20.2   Ca1.n "5.'?:::*:!
                                                                                                           !"3v*

3F 33P5, 0 1ti7T.()

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1.50

           -100                    ::D~irect iofis Shead                                                                 . 12
                                                                                                                            .3-      15                  .15'       ý.7: C 05ý..

S.00 Sg-n The' a (deg) 5.0-.0. , .~. 0 *. '.:*...

                                                                                                                                                                     * *73       - "

22.19 "":.*ii** ', *9.5 *:*" IN

                                                                                                                                                     -,:-:::**7 ..... * : i       ..

Maxi 24: Hour To a 1 2 0.5s3 25 7A.7 711::: i The~c7~weehous ~ eptmber N .... ,. .  : 2 .a : I . - ' ,. . . . ., . :. . . - , 7 : .:a t ;-, ::I Tab~ie p..Pa ea off' 1/320 a

                                                             /- " : ' , -*: . ...:7 -, ':

7-5

Three Mile ,Island B*ravo ptern e r ' 2:0 0.'7" Vai i: Parameter - --!<<!."*<Mean] m Xss F.F -Sý 33Ft.Temeraure ".(F) :9.2 ",. . S.. 15OFtl T.f-mpe.-a. , . *. F..: 1,,8.

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There wer..e.. 72,0 ho.ur. . '..'  ; N  : .:':.:  :" * ,N , N."....,.? .  ;.. " 0/2,3*2... a.,

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                  ..: .:-:"       : St a ble:..'} .."i""                   . , :.. ."'i*5ia:92          ::.
                                                                          ;.:<:-.:! <. :361         ::.: "

TOTAL , N. ..c , 0 .. , TT'd31Ai PRODUCEfl 0/)3/07 12 2C 1~

IZ __ 6n`Cp~it~ract Rumtnbe: 80633

  • 12.

R-24 Three-Mile Island, Site., Routine site *isitation Log: Begin. Jj :EST:.

End: ~j ST Opera*tion ofdata Jogger U.

Heater Systemi Operatienaml (Oct-Apr)

   "-Air Cond. System Operational (May-Sep)ý                                YES:

A Readings (Taken at-" I -E, EST)

  ';*;....i ::' -    SP.EED,*::*        ijtll'tt   I IUN:..         I ltMI"*               AT 100o ft.            .I*mh,"RjM 150 ft.'              Lj2niph.                         e         ,-            -FL                -IfIF V             .~..-,

BReadings (Taken at -B EST)

      . .." *     . SPEED
                       . ..*4 ,. .       DIRECTIIQN.
                                                 " .    .. '       TEMP
                                                                  ' - (   "

33 ft,  : OF..

                                                                               °'
..        ft.                      mph. .                                                                      -.               .

150 ft-~

  • 1 g7o r ji F UT 0______

Do Spd and Direction values agbreew'with visual indications? .0__D,_ _.._es_:-

  .3* Rain gauge check made at 1-*J                                 EST           0l  No rain.gauge.check made due:to precip itation, Psychrpometer, Measurement Reading (Taken at                               6AL:           EST)

COMMENTS: _7/ Technicianri M!47raQý&TrYefeljnc1. 6oo Firrt Bank DyimS: iteA ~PioloiriejIlirou ~8~ _47~ 96.37W)0

                                       .... !. ..*,it::i:          ;::'               . *Ex*e6o
                                                                                          ,,     ::/ ... :               . Cb~nt-.'ct; Numb*er *o633      ,.;

14

i ..... :., : .Thre.Mlle lsl~nd Meteorologial Calibration*::..

e *rMle sb i6ri c R-2~4 Page 1 of 8

                                                            *12JJ00V+/-02B0         -          cP3+/-050 Signal conditionearsiad. Recorder:.

SinIConditinrVbtb u Rcre

                 ;                      AL..
                                           ..... .ALEQUWAI:                         :                             ,  ond                    R..

ecor er

                              .. .....                       33   f .

FZERO 26 VV1. 2,57 1V O.O5OV'> FSPAN.____: 4 643V i~.5V ZERO-..

   -NS          .V.            .                                   *ph .    .           -.                0             2,     ...        .     ..    . .

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Exelofl Contract Nurmbe.r B-0633 15. Three Mile Island Meteorol"ical Calibration 'R-24 Page.2. of 8. Date:. Sig nal Condit0ine rs and Data Logger: Siq nal. Conditione Voltae Out D~at Logger- "Specifications-AF AL- AL EQUIV. AR AL ..SinaCond,. Data Loqqer 3 3:-j-t T ZERO 12- $(;; v c25;/ v31.Ti 3L~h~3LI 2.571V +/- 0.050V5*o T SPAN q-O (q6V - 0 4ý643V+/- 06050V 100 ft WS Z.EROQ 0 n .V -__ V: O4ý.00,mph :.: 0LI-mph  : . "  : . 'mph 0,O00V +/- O.:025V AL EQUIV .1tmph WS SPAN+ACLvI 1*i... ______V mph 4.ýs22V.+/-O.025V AL EQUIV+/-*1 mph:.. WD ZERO 6ý 6 -o5.00v +/-:0.10OV AL EQUIVN:+/- 2.5q WD SPAN-'(e AL EQU.IV +/- 2.50 150 ft. WS ZERO-Q.00 V .:--*V O.(X, 'mph

.nmph__- mph o OOV t 0-:025V AL EQUIV I mph.:.

WS SPAN _-___ v'..5? .p mph M-m AL EQUIV.+/- 1mph,

                                    *  ..v "*.              .

4.262V +/-0.025Vv WD ZERO oo Vy AL EQUIV +/- 2.56p

                              .+-      V        2~Lo* ..

WD SPAN-.~ 7 L,,. -5.*000ov4+/- 0.1v AL EQUIV 2.50 'ATZERO v c3 .. "7.6. o - S.429V'-+/-.-.',.0V

  • L AT SPAN.Lo 06-R v 5.000V+/- 0.050V T ZEROPN..*i$  : V 2.571V +/- 0.050v T SPAN-lý L2V ý 4 643V +/- 050V Murray&Trete4 mc>60o.First.Bank Drhe Suite A P-Jalat~ tftie;ihois 6oo66 (8- ~39O
                       * :*       .     :.,    .-..                        ..  ..             E.*:e     C *tract on           Numtbr. 8065:33 Three Milel              slandMeteorological Calibration                                          R-2ý.

Page 3of 8 Dat.. B Sign~al condlitioners and-Recordeir.: Signal Conditioner VoftaagllboO'4 Re -corderc*L _AF '. AL'J ALEQUIV Afz AL. _nalýConL-.._. Recorndw 3:! f T ZERO . - vi~J 16S71V +/- 0:O50V T SPAN'YIL -_n* __WA 100ft 4-.60V *0,050V WS ZERQQO '00o V: -~2~jjmph~ Dknh~~p ALECOIV~i-imýp h WS SPAN ~1.3? V ___v %mh j~mp ýl mph, JALEOUIV+/- 1mp WD: ZERC*)V. vO. 77-

                                   -~

v*fOý 05000V i .100V ALEQU IV! 2.5",: ~WDSPAN--., U 150 U nAt ERO IA1LY ,- V ~ i.429V+/-O.050V

                                                                                          ý.Oqqvi 0O050V
~T:SPAN'     CA Tvý                                                                         2.7 1 iQ/ O.OV
                                                                                          *643V +/-6ý'Q  0OV'-
                                                                                  .I,0A.

Mw-cuj& TeteL e:.6ovFist Bjik-D;-e w~~~P&tn Illinoiis -6oo6j7'2 87 i.j9o0

Exelon Contkact Number s?0633. Three Mil Ilsland Meteorological Calibration 7106 " R-24 age 4 of B. Da'te.: B Signalconditioners andData*Logger: Signal Conditioner VoIta.e Out.. ' Data Loaier- ;:-" Sr~ecifldatjons AF AL.. ALEQUIV AF '-AL-. 3-3 :,;f t'. T ZERO-R  ? V 57k ~L~O A TSPAN 4.6-43V +/-0.066V 1 00 f t WS ZERO *ŽL N mp o 000V 0;025V Smph AL EQUIV ?I:mp.h WS SPAN: (3.2Y-v: v .Z*2

                                      ,r        rph                  hrz mph---          mPh      :4.26ZV i002ý5VY         AL EQUIV.+/-.1mph, W :ZERO~,'_

AL EQUIV 25": WD SPAN~Ž~ *l 4

                                          'OP a,                                                   0 1000V 0 I001kqy ,
                                                                                                                       .AL EQU1V+/- 2.5 :
""7<. /

AT ZERO.iLV 11.4291V+/- 0,0150V _ 06 _ kT SPAk*~jcV, 5&000V +/-,60.05G TZERQ9*?_ -V 2.5171 V:+/-.05V TSPAN - V- 4.,643V1 0.05M.: S. Mwrray & Trettel, Inc. -6cro First4 T~ik 0rve, SaeA PaLatine,Jflimwis ~6coo6,7 e '~~~9apocile) * ..

Ex-e-In Contract Nlv&,itbr. 9,0633 Thiree Mile Islanid Meteorological Calibration 706 V

R.44

Page-5o8 Date:
                                                ":           TOWER MEASUREMENTS Ambient               Iebath J,    r Terneravires A 33<-f3:                     8 33~m' 3rb 11 AF                    AL.               AF                             AF             AL AL Measured
                                                                                              . I, 'F Recorded'            *   * °F          .'-"

i!:_____" ..°F

                                                                   °;
                                                               .....      n 2FF.-r ______r"-F, Difference                                                                                            F      -    F
                                          .*O:5*
-..*.}.: . .* 5"F:,- . . .

Wasur... 515Oftý-Amb. AI- -t,iT B81 50 fVT*.;7  :;-. AF: '-AL- <AF A AF A specication OF: F Fr~ _ _

                                                                                                               -I O. F         OF
                                                                 ~_"F      /~2C      "

T _ T,/ ___T ___ ___F _ 5-. OF *

                                                                               +0 I A 400 ft.                                      S100 ft.                               150 ft.,

AF AL AF'",- AL SpecUcation WS stall mnph: f mph n mph rnmph 6C) mph0mpot+/-05mph 0~26 22"20or 343- tSo Revr.WD, -_____ __  : .... 74 " . - "13" or 3.01423 3 +/-1" 52

;The, 343" and 163"I52"3 spec~fication is for he A,:60 ft, wind directon only and the 8 100:ft andl150 ft uses the.2500 and ?7"/430" specification for the wind.directionf Trackina Vear ri& ettel, Inc.       -6w;      Fims Bk        hie,Suite A, Palatin. lios6of(8)                       .9~5-O
                                                                                                                                     .F.l.dn     Contr*c.     .NumYexr 80633 71.06.

Three.Mile Island Meteorological Calibration 4 Page 6 of B 150 It.:

                            'Asplira Ors.:

Operation of Rain Gauge: /. Debris screen: ýJ, Out jiib eoe ToW~r Cundition Good Fair Poor Paint L Shel*i`.condition-Note . . . - Calibration Instrumeni  :.ts" AF As Found"  %.Psychron6eer -S/N-' T AL = As: Left -Digital mnultimeter .- SIN'; - 9t 30 0 ýf

          ....               no change (AF.AL)                                                            Digital multimeter - SN'.--_________-..._..,                              ..
-  ,. ..       .I: .*
                                  . <,>: ..  ;.v.*-
                                               *      ' :     ; *  ....                 ..   .:   : -      °  -,":%    :*"                             '                        . .

FS, Full Scale Technicians: "--'. :0. Comments:.

                                                   .                                                               "-      "9                                         "      .1/4,
        )fJj
                        .      4            j,4
                                                                    ...~~.     .....
                                                                                .....~
                                                                                       .....  (JiI                                                       .r-~            V
                                                                                                                                                                         /4.~

Signatur:(f 4 4I4

                                      &1Trettel,  -urru  Inc.            Fi    Bonk Drive,.S.itu
                                                                                           .oo       A`Pn1t              inus -.....67       (847):6.
                                                                                                                                              .                       ,.o

oe~lttc..Nmex C 333 33 3 i" Pag 7, 06 Sysem esponse Check

                                                                                                                                                                                                                     -'     . 3   .3 .                                    Date:.

Site: TMI System.: Process Computer- ;AO'9924A0995 F

                                                                                                                                                                                                                                                                       ..;;?; .,7;= .;.;
                                                                                                                                                                                                                                .333~~
 , Lo.Sate               h                 CheckA099'.
                                            "                     W                   K         A0993'    .                1/2)
                                                                                                                            . " A0994'  33 T.                        ,A09951.                     ,5033A/:T                     *g 33~          .~...             ..'.*"*".. 7.:

Response ______ id ..S&. . C eck .. A-993. ...i .... 9 .... 1 -

                'Ete pe                                            s.

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                                                                                                                                        .e.r Cont.týrct IHumbor 80O633 ti 7/06 Checklist    - Murrayi& Trettel Meta Tower Calibration for TMI                                                                             R-24 Page 8 of 8 (Initial all steps upon.completion).

Prerequisites Notify: theChemistry Rep; that M&T personnel are arriving: on.-site and instruct to take the work Order to "in-prog",

        . . ..2)     Aftergoifig Itie Gate 20. ensure the gate is locked toymaintain Siteaccess control              -
       /      4).-Contact Control      Room Supervisor to inform tha~tthe-MeltTower Calibration will commence, andthe tower is OOS.."(x8071) Teli:the Control Room that. sporadic alarms may
                    .:be received throughout the evolution..

Ensure the. proper:PPE is available eand in good.condition (Fall Protection equipment,.eic).: The Site representative Will perform a pre-job brief usi ngHU-AA-1211. Brief shall include discussion of appropriate safety precautions including fall Protection. use of gloves,§h.ard halt,safetyglasses " 1+/-2) Perform calibration of the.'A' sensors:and record the.data IAW M&T procedure Pi009 Perform calibration of the 'B' sensors and recordthe data.lAW M&T procedute P10o09, Returnin the Met Tower to serv ce

1) Ensure the Control Room indications are selected to the A Processor Rack.
2) Ensu:e a1l processor switchesare inthe"OP' mode and'the red OPS"!ight s off. The. wind direction light may be on depending on the actual Wind
  .,7:           'directioni this is acceptable.

I .3)Compare.pa*rameter valuesfor two different 15 minute averages on the computer1(15 minute average bbtained:by c( icng on Optiors then on:Av).

4) Verify all.acceptance crileria*has been met, record discrepancies and.commenis on the data.sheets*. Notify the-Chemistry cont fc0
  • nyOOS equipment ordeficiencies.  :.

q:":-:.* 5): Review the -data sheets. fi6rcompleteness,.

                 ..AF all required acceptance criteria are met, notity the Control Room Supervisorthat the met tower is returned to service.
7) Ensure the heating& ventilation syslem is operating, turn off the shack light-and loc the shack.door. Ensure Gate 20 Is locked,-

8)NlfthChmtry Rep. that the work order maiy dose utin P

                                               . All aoceptance critea4re met and to          ris read for returin toservice. (M&T Rep)          Date  -.
                                              ,urr'y &:Trettef, .6e. -.6oo irst&jdnkDriue,Suite A . P.duti*e"Illi, ois.6*0o6, l.(847)_g3-9000..

Or-4ý2(ý 169 Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station October 2007 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mt(aweathercommand.com web: htti://www.weathercommand.com For Exelon Use Only Reviewed By: Date: /0A Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

                              .Table of Contents Section   Description                                                                 Page 1      Station Action Items .................................................... I 2      Equipment Maintenance ..................................................

3 Data Recovery Summary ........................................... 2 4 Summary of Billings .......................... 4 5 Data Analysis ............................................................. 5 6 Computer Processing .................................................. 5 7 Annual Report Preparation ......................................... 5 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847)963-9000

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Eauipment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 2nd of October. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

In-house on the 4 th, three wind speed sensors were calibrated and given new bearings. In-house on the 1 6 th, three wind direction sensors were calibrated and given new bearings. On the 19th, a request was made for a technician to be present at the met tower for the addition of an alternate power source inside of the shelter. Upon arrival at the site, the technician was notified that the power source would not be added and his support would not be needed. On the 2 2 nd, the data logger was unreachable by modem. A technician investigated and found the power inside of the shelter to be off. The plant was contacted and power was restored. This allowed the data logger to function properly. On the 25 , the rain gauge was not reporting precipitation. A technician cleaned out the rain gauge to restore proper operation. No other problems were encountered with the equipment during October, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847)963-9000

3. Data Recovery The record of data recovery for the year through October is summarized in Table 1.

Table I Three Mile Island A Data Recovery Summary October 2007 Hours in Month = 744 Hours to date = 7296 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs Hrs  % Hrs  % 10OFt Wind Speed 722 97.0 22 3.6 7205 98.8 91 5.5 15OFt Wind Speed 722 97.0 22 3.4 7231 99.1 65 5.2 10OFt Wind Direction 722 97.0 22 3.6 7185 98.5 i11 21.9 15OFt wind Direction 722 97.0 22 3.5 7228 99.1 68 5.4 33Ft Temperature 722 97.0 22 100.0 7195 98.6 101 15.3 15OFt Temperature 722 97.0 22 3.0 7208 98.8 88 12.4 15OFt-33Ft Delta-T 722 97.0 22 100.0 7189 98.5 107 15.3 3Ft Precipitation 686 92.2 58 8.1 7158 98.1 138 6.1 A V E R A G E* 97.0 98.8

  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary October Year to Date Three Mile Island A 0 11 All Exelon Sites 22 197 Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through October is summarized in Table 1.

Table 1 Three Mile Island B Data Recovery Summary October 2007 Hours in Month = 744 Hours to date = 7296 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs  % Hrs  % Hrs 722 97.0 22 3.6 100Ft wind Speed 7194 98.6 102 6.2 722 97.0 22 3.6 10OFt Wind Direction 7176 98.4 120 6.0 33Ft Temperature 722 97.0 22 3.0 6991 95.8 305 35.6 15OFt Temperature 722 97.0 22 3.0 7167 98.2 129 12.7 150Ft-33Ft Delta-T 722 97.0 22 3.0 6977 95.6 319 35.7 A V E R A G E

  • 97.0 97.3
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary October Year to Date Three Mile Island B 0 39 All Exelon Sites 22 197 Murray & TretteI, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

4. Summary of Billings for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Agreement - October 2007 Three Mile Island Description Cost Meteorological equipment maintenance $ 1,434.20 Meteorological parts, materials & contractors services $ 192.50 Total for Month: $ 1,626.70 Year to Date Total: $ 7,652.01 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks,-and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

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                     -9-~'                                                                    -                     *-,:Exe      prncontract Num~ber: 80633
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VAC' /6 Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station November 2007 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mt(aweathercommand.com

                        -web: http)://www.weathercommand.com Reviewed Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Table of Contents Section Description Page 1 Station A ction Item s ........................................................ 1 2 Equipment Maintenance .............................................. 1 3 Data Recovery Summary ........................................... 2 4 Summary of Billings .......................... 4 5 Data A nalysis ............................................................. 5 6 Computer Processing .................................................. 5 7 Annual Report Preparation ......................................... 5 Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9ooo

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported 2; Equipment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 1 st of November. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

On the 1 3 th, the precip gauge was reading high amounts of precipitation. Spider nests were removed from the gauge to restore proper operation. No other problems were encountered with the equipment during November, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 60o FirstBank Drive, Suite A Palatine,Illinois 6oo67 (847) 963-9000

3. Data Recovery The record of data recovery for the year through November is summarized in Table 1.

Table 1 Three Mile Island A Data Recovery Summary November 2007 Hours in Month = 720 Hours to date = 8016 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs Hrs Hrs Hrs  % 10OFt Wind Speed 719 99.9 1 0.3 7924 98.9 92 5.0 15OFt Wind Speed 719 99.9 1 0.4 7950 99.2 66 4.8 10OFt Wind Direction 719 99.9 1 0.3 7904 98.6 112 20.0 15oFt Wind Direction 719 99.9 1 0.6 7947 99.1 69 5.0 33Ft Temperature 718 99.7 2 1.4 7913 98.7 103 14.0 15OFt Temperature 718 99.7 2 0.3 7926 98.9 90 11.3 150Ft-33Ft Delta-T 718 99.7 2 1.4 7907 98.6 109 14.1 3Ft Precipitation 699 97.1 21 3.1 7857 98.0 159 5.8

                      -------      9.8............98............9...............

AVERAGE* 99.8 98.9

  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary November Year to Date Three Mile Island A 0 11 All Exelon Sites 18 215 Murray & Trettel, Inc. 6oo First Bank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

                                                            .3-
3. Data Recovery The record of data recovery for the year through November is summarized in Table 1.

Table I Three Mile Island B Data Recovery Summary November 2007 Hours in Month = 720 Hours to date = 8016 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs F Hrs  % Hrs  % Hrs  % 10OFt Wind Speed 719 99.9 1 0.3 7913 98.7 103 5.6 10OFt Wind Direction 719 99.9 1 0.4 7895 98.5 121 5.7 33Ft Temperature 718 99.7 2 0.3 7709 96.2 307 32.4 15OFt Temperature 718 99.7 2 0.3 7885 98.4 131 11.6 150Ft-33Ft Delta-T 718 99.7 2 0.3 7695 96.0 321 32.5 A V E R A G E

  • 99.8 97.6
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary November Year to Date Three Mile Island B 0 39 All Exelon Sites 18. 215 Murray & Trettel, Inc. 600 First Bank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

4. Summary of Billings for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Agreement - November 2007 Three Mile Island Description Cost Meteorological equipment maintenance $ 293.80 Meteorological parts, materials & contractors services $ 0.00 Total for Month: $ 293.80 Year to Date Total: $ 7,945.81 Murray & Trettel, Inc. 600 First Bank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction; ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processingi Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears. (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation.

as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes. Murray & Trettel, Inc. 600 First Bank Drive, Suite A Palatine,Illinois 6oo67 (847) 963-9000

Three Mile-Islarid Alpha November .20.07

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  • ss :Vali .

Paramete.r;. Mean:: Ma.X Min H~rs:. .:Hrs.

 '4     A N

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                                                                                                                      .26..7":            '-':,     2, 2.:! .718.
                                                                                                                                                             .. 718 .:'(:

iSopt Tmperature ()  :" 2.9 6.

                      ,l5Oot Wind -S eed, (MPH)                                                                       cal m                         1            71 Calm                          1            7'19 150.Ft 3 3Ft              Dlt        F                        0-0 2,            6 ¢8            -. 2:.1                       2          :718 1,,50:            1"00FT        'Direction:Shear                  (deg)         -1.6           160..0 2                    0.                  3 lOO~t Sima Theta6dg N
                  ,;5dlFt S~i461 aTheta (.deg' 2 .       ...i .::1 190 5*0.0
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40* 2 1":0 80.

                       '2 F':T   P.recipi.atio.
  • IN vd, ~ Mayathlyv: Tota 1-. .699 9
3.j33
.31 823:3 Max: 24 140ur Toa mlax 1 Hour :Total 1.,.:~18 Tere were: 720 hourls ira .November N N'~N K'-'

2 .

               ..Table pepaed on.2/31                                   720at:7 a    ::.-1:6.
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Three Mile Island- Bravo Novenmber " 2007 Miss Valid 4,

                         'Parameter                     Mean..       Max                   MI n.                     Hrs 4- ..             Hrs
         '4 4"'"

"4, ~, %:?,fti: -33Ft :Temperature IF..): 43:4 , 6'9.9' <-' '26.2 2 7.1"8 15,OFt Temperature (F) 43.2 69-,0.0 26 7 2

                 " - Ft° Wind:, Speed. (MPH)            "6..4 21.8                Calm                                 1               6:192 "741 (FF)          -0.2                            -2.2.1                     * ":"2"-              718 15OFt-33Ft. DeltaT                                  6.8 98),             . 621*",.;

[~ ,*:...

              ',lOOFt    Sigma Theta    ,(deg)          20. I _ ,.50, 0 ':"                  5. 0 ;!

There were 720 hours in November "4i:

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                                 ':.".'":: )::.:            Unstablie                                102-
Neu~tral 369
                                                        'Stable N                                    2747 TOTAL NO. HOURS                                 718 TABLE PRODUCED.; 12:/31/0.7                             15 :l:31

Three Mile Island Bravo Sr

  • FF 0 ifferent~ ,a1 Tempierature i-'F .i. . Distribution-
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.:;i~-> i  ! .5 GE DT LT - . 0. 223 GE :DT LT -0.5 /

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                                                        -2.5 GE DT          L7 GE :DT.                                     28 LT         1.5.;

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                                                           -10 GE DT                   2.0                        9.

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                <                    " -        "        7     5.0GE .DT NRRC Stability Classes 12:6 Unstabl.e Neutral                                          360
                                                   ... .....                  RStable                        232 TOTAL NO.              HOURS*                             718 TABLE PRODUCED 12/31/07                                 15:,1531
                                                                                                                  -X(-1rj C o nt a.c t. Numb e.r               ~
                                                                                                                                                  !2 7107" R 25.

Three Mile Island Site,

                -                      .~Routine                          Site.Visitatio           Lg Date i                      1 End% -1 Y b                   EST,
    '44:. ..       : "v : " . :'..: .::      -4 : .; :... .: . : . . - :. :   . ."4, '    , -: *      ": :.:i.? :!. ;~ .:i:.::!    : :.:!:.::." - 1 : l     '".il .4: : : "

Operatio of data

                        '     logger                      :.:       . O           .      ___.       .__.___. __:_

Heater System 0perational (Oct-Apr) i? DYES.

                                                                   .                                                  .".       .              .. .       r Air Cbnd.ý Systemn Ope~rational (Ma~y--Sep)                    U YES9",4 A Readings (Taken at              '~6               EST)

SPEED DIRECTION TEMP T 4 33 ft. F lO(ft (ft, mph .. ~ iSQ ft- _ _ __ _ _ _ _ _4 13 Readings (Taken at 693. EST): SPEED' DIRECTION.. T EMP AT 15ft'. ~ S~ ~~p~*> 50A 4 OF Do ýpeed'and 4 Direction values agree wifth viulidctos Ayes'[: UTD)[- ________ Ra~in "gau~ge check rmade *at ~-2 S ~No rain gaugecheck made ue.to preci~pitation. Psychrometer. Measurement Reading: (Taken at 6 ~ EST) . Drytub ( F O) COMVMENTS.ý Technician :A.A bluvý 4 Mulrroy&A Tre~tteljnc. . 660 Firs Bank-Drwe uiv A'aTt3e, , lios.607~(4)90,-19600

EX.elon. Contract*. Number 80633., Equipment Mainte nance CO'. Og wýork Date(s):: /3.-c~ Site Zr~eldwo 4e'ekday.~

                                                                                                                 ," ." "weekendi     Hoiday Page          o          -j     -
              ýT. 4ýA 1Measuiini rest Eouiriment U Sed  ________________________________________
  • L" Travel J..:L mi Crnpe~d?

Wor . esEl: No.,: CalIbrated? .*Sý El o N Wofl:MeteorotegicNA Date, ecnca e Hurs - OT Hours E Mirte, Rw r r.. . ........ .. .Visibilit m .onitodl6g warning signs  : ElOther _ _ _ __ _ _ Billable Labor. 1( reg _ ___Ot: Airr"n &--Týretfe;Iiw. irst--ah:Ortve,Suit A-: I i t c,11ift 25-6liko Y'o 6Q6 "R(847) 963-9000.

dc 0169 Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station December 2007 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mtiweathercommand.com web: http://www.weathercommand.com Reviewed By: Murray & Trettel, Inc. 600 FirstBunk Drive, Suite A Pulatine, Illinois 60067 (847) 963-9000

Table of Contents Section Description Page 1 Station Action Items .................................................... 1 2 Equipment Maintenance .............................................. 1 3 Data Recovery Summary ........................................... 2 4 Summary of Billings .................................................... 4 5 D ata Analysis ............................................................. 5 6 Computer Processing ................................................. 5 7 Annual Report Preparation ......................................... 5 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,illinois 60067 (847) 963-9000

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Eauioment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 1 8 th of December. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

On the 1 8 th, a calibration of the meteorological tower was performed. A copy of the log is included at the end of this report. No problems were encountered with the equipment during December, and at the end of the month, there were no problems evident at the site. Murray &- Trettel, Inc. 6oo First Bank Driue,Suite A Palatine, Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through December is summarized in Table 1.

Table I Three Mile Island A Data Recovery Summary December 2007 Hours in Month = 744 Hours to date = 8760 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs %1 Hrs  % Hrs  % 10OFt Wind Speed 743 99.9 1 1.1 8667 98.9 93 4.7 15OFt Wind Speed 726 97.6 18 3.1 8676 99.0 84 4.6 10oFt Wind Direction 743 99.9 1 1.2 8647 98.7 113 18.4 15OFt Wind Direction 743 99.9 1 0.9 8690 99.2 70 4.6 33Ft Temperature 743 99.9 1 0.1 8656 98.8 104 12.9 15OFt Temperature 743 99.9 1 0.1 8669 99.0 91 10.4 15OFt-33Ft Delta-T 743 99.9 1 0.1 8650 98.7 110 12.9 3Ft Precipitation 742 99.7 2 0.4 8599 98.2 161 5.4 AVERAGE

  • 99.5 98 .9
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary December Year to Date Three Mile Island A 0 11 All Exelon Sites 41 256 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 6oo67 (847) 963-9000

3. Data Recovery The record of data recovery for the year through December is summarized in Table 1.

Table 1 Three Mile Island B Data Recovery Summary December 2007 Hours in Month 744 Hours to date = 8760 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits valid Lost Edits Hrs  % Hrs  % Hrs  % Hrs  % 10OFt Wind Speed 741 99.6 3 0.9 8654 98.8 106 5.2 10OFt Wind Direction 734 98.7 10 2.0 8629 98.5 131 5.3 33Ft Temperature 741 99.6 3 0.4 8450 96.5 310 29.7 150Ft Temperature 741 99.6 3 0.4 8626 98.5 134 10.7 15OFt-33Ft Delta-T 741 99.6 3 0.4 8436 96.3 324 29.8 A V E R A G E* 99.4 97.7

  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary December Year to Date Three Mile Island B 0 39 All Exelon Sites 41 256 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 6oo67 (847) 963-9000

4. Summary of Billinqs for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Aqreement - December 2007 Three Mile Island Description Cost Meteorological equipment maintenance $ 0.00 Meteorological parts, materials & contractors services $ 0.00 Total for Month: $ 0.00 Year to Date Total: $ 7,945.81 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine, Illinois 6o067 (847.)963-9000

Three Mile Island AJ~Tha t.6, c ember P~ce~ber 22007 00.7 m ICsl V aIi d Pa~rameter Ma.i i!*':ýý M.a.X. Mmi Hr.s Hrs:, 18.2.,

      .3,FtTzemTperatti         (F)                            4 59 .5                        1       74.3 1OtTemoera;tur-e. (F!                             52 6:~                                   74:3.

150Pt wina SpeeOd (MP) '>0" 25. 9 Caýlim 18 743 pe!a. (FP)S 7-.3 28::.0'o! Cam 726 15 t: . *"D ::f . : #~

                                                     "-0.l           '.5.3
                                                     -1.4:.1.62:*"0 150 lOFT 10            D~rcinSerd                                    -I G;i 2..                  10.        734 10 OFt. S$gma .Theta .de-)                                                . 5...0 18.!0':2f 5:0 :0            4..0                 6 61 Sigm Thpeta (deg)                                                                      675 2    FT    P' j     pitat'o              .:   IN    4 . 57           ,!                    2      .74*2,
                  .Modnth~l.y   Total ,,.....i/:
         -          Max 24 HoUi Tot:al                 1.16           -

Max 1 Hour To:al The1re ..were. hour. in December. I " 1/24/2008 :at piýepared orlý :T2 1:1.6

I.

        ýThree Mile Isltind Sr'avo                  December'         2007.

Pa~rameter Mea Ma, Ma~ u Hi Hr

  '33Ft:ýTemperat-ure()                                   <18.4                 .741' 3.

35.3 6 00 19.0 3 ý74 1. 1lOO:t: Wind Spee:d (M-PH) .8 2:5.: Ca 2in 3 741. l5Ft' 33'Ft, De1t'aT -0..2 5. -1 8 3 .74 1: 100t.. Sigma Thet.a (deg.) 18. 7 50.0 .5. 6 .93 51 Teewere, 744~ -hous in Dcembe e:  : /4208a Tal r~pr o 11

Thr~ ileIsandA'~7 Difter~ential erpraucDio tribution{`- 4.o) 112o2n07

                      -       DT:LT"
           ý-7.5.,GE :DT LT T-. 'GEDT:      :DTT          -6.5
          -6.5 GE 'DT LT                   -. 0l
                  -5.. CE    T LT       ::-5.5'::
-.5: GE DT LT.
           -4.:5:GE 5.:              DT LT.:

255:::::::::

                                                                      .:i !7
           -4.                     LT':       -30 S:                                                        :*i======

1 00.==== = 4-i .. :GELDT:LT

          -3.5           GE:I'"~

DT.::1T'.~i

        `Z.-3 0.0'C               LT'
                                   *                              ::75:.::

D' .

          <-2,5     S,        DT
          -2 .0 GE.:...
,:* 3.0 ,i. i:.
47 '-

0': GE*eDT I*,T -i.4.5:<i

                                            -2.5
                    -'. E DT. LT                                   28:::<*?
           -0.8: C E DT LT.' -2.0                                   2.0:.::.::4
                                                                       ? ::.::.:
              -0.0,      GE flT LT'-                                 -0 18
                                                                    ?:..

2 1.,05 G DT LT

                                           -1.0.::5:::is,:.: 13!! :::!

20 GE DTLT  :. ::::::>:: ::::::::: 2.5E DTLT 40

          -3.0.Q:        GE. D.T LT          3. 5'
.=====8==: :
=====

3.5 GE DT LT

3 2.
  • 45GE DT LT 50GE DT LT 5%.:5-,GE DT LT2 6.-0: CE DT!' T'
6. EDT -LT  :::/2..  :"

70 GED7 LT :o 1 :.. 7.5 E DT 40:<::/: NIRC Stability Cl~asses Neut r-aL.+/- 323.:::: ...

Stabid...

743.*.::

O)ii:.i:

TOTALj No.. HOUR-s!. TABLE PRODUCED 0.1/24/08 ll:09"o:00

e C;240C

                                                                                                      --         : :.' 4      ... :       ' .:
  • a24'~ e D~'~' '> 4 44
                                                                                                              .* 4"**/. 4'       44* * , .t
                                                                                              ~1~  '4 44 44 .4         4               24503~          ~

0 "0:.:

                                                                                                                                       '4   44 4 44 40                                                                                        44              4 0

444- 4.::...- *,..* 0.4 .~ 4

                                                    &                     4 4       4         04 0

24 3 36 14 22~' 4 4 44 444 24 0 0 6 0 0 44 4 44 0 6 26 24 o 4 4 4 224 4 4 449 24::0: 4-,4'.: :;4 4). *4..... ;*:i;i? : V 3~* 0~

                                                        *iii..!:.:...             4..?
..:...*; .*i:;* . ;*":.

4440 2424:.',.:.*.::::!%

                                                                        *: :!i.4.:

4.5 4 6-i:;*:;::!:.:..}:%

i.I-*:.

5454 4/ 4 6.0 64~

                                       ~ .0
            * :.-;   :*.                '45 S.--. 1 3..

1dc .- 3 42-9"i

                -$by 4 e
                       !>10    X4013
                                         /06 2.24~ 09                 00 C2T~ 024:24                                            4   4~4

Exi?C) ~a"'ti t .urnt-"býr b 433 12ý 7107 Three Mile Island lSite Ro utine Site Vis ita~tion*L*"og. Begin: Iý.EST j' End.: t is' EST-. Oeation of dat logge -" J." s; eater Systemn,ýOperation a (OcUApr) D:*YES ~~i** i*::::,: A eadings (Taknt H EST) SPEED D.IR.ECTION TEMP AT 332 ft'h

           ~i~ph:

lO~~~ft ~

                                                  ~ 3 ~F                    F' 8 ýRe~adin!),, (Taken atA.S            EST SPEED        DIRCTIO          TEMP.ý               AT
           .;*i:.!*: 0:s*>
  • ,* ....  :.D:. : * '.....-...

Do Speed. and Direction values agree with visual indications? , Yes l e.

                                                                                      .UTD  __i,_____,_,._

Rain gauge cheqk imade at ET El du tpecipitation

                                                                                 -ormguecekmade Psychrometer Measurement Reading           (Taken at ..        -        .ST" Drybulb......

COMMENTS:

                           ,~, 'ol              :        Tech nic'ian 4: {
("Vw:-

14 Three Mile. Isla4n~d Meteoro:.logical Ca libratin R-25ý' Pagel 01,f8: POWERlSUPPIE

                                              .+12000V.+/-026'ý0V                        00OV~i ,25(

J23~v A- __

                                                                                                          ,V B, +            77         .V             3 B           <

A Signal conditioners.and Recorder: Si IaCohditioner voitige Out ~ Rer_______ AF___ AL. AQI . AF: A Siqn~al Cond: Recorder

  • T ZERO v 3ý2 tD 2.57IV+/-t0d050V T SPAN' 'lq.5 - v aý 4.643V t 01050V
." A ( t...,,:,
                                                                                                                                              ,.(V      '  . p6.

WS~zERboQ.&IL >.VG mph O6-60OV +/-0.0625.V .ALEOUv*t **mA.h I'? mph_ WS.SPANPL- -VI_ 4-262V t 0.026V WZERO}70-.00:_v ___ O p *~Mph AL EQUIV.+ 1mph 0 000V +/- o,100V 5 VD SPAN - X(JU)O ___V: ____

                                                                                                                  -5OV+/-0100%           ALEQUIVt+/- 2.50 VVSZER6D.O60 V,.: _____                                    -Qmph         0        mh                  p WS SPAN VfVL1_v~                                            mhrrip   '              lmphm             h   4:262V +/- 0.025V            AL EQUIV-+/-lp WD2ERO-O)_                                                                                                                             AL'EO~flV+/- 2:50 I N.-

WD SPAN . 4qt'q_

               .   . . "V ""                   : : . .*L'... f . . .7S*HO.
                                            .:v__                      ..          .......                 -5,000V +/-oloov
      *.* `.::* ::
                 ~s :**::-.--

ZE ROJ.ý4A, 3 _.V vVQ,

                                                *`:::* I .*:. *` i- -+::.                  : .:* :*p                                   ALEOulJV+/-2.5 6*r                               -

1,429V+/- Q050V ____ V: -Z V T ERO~_V ___v _ 5 .Z V+/- 0, 050.V

                                                                                                                         ý0 0.1571V TSPA, q.-7             :V.___~(

4ý643V *0,O50V

                                                                                                                    +/-

Aur).& 0 ~Pk. i BieIc.- ns Drkwbe;iSji'jfr> Palatr"Jine, .:o6?,87 g3~oo. **.

                                                                                                                                  " *"::                  *i0 33..

Thr ee l '... ..... .

                                                                                      "i~oo~gC~cal             b7to P"age2 of   8 A  Signal C ndto e s a d aa L tirVog lta gg Out   r
                                                     -A      EQ....AF                     A...                        g"a....*,a*..        (2 0       ýere T SPAN v~        vo 2.5.7.1 WS:ZEROO                                                                                                          Vt 0050V 0    Q 00t                                                      ~3Y.10oo5ov,
 .WS SPAN 5 .OOh                 -
                                        .V M
                                                                         .        -           Mph         09.oo~

OOO 0*0 25 V 4 262Vi+/-O.925V AL EQLo/+lr W E)$SPA N~ ~ALEQUIVV% Mph

                  ~                                                                                      o,o:,o6V'      ON0 I

Q .j p- -AL EQUIV4, 25 p

           ~ xop~Z .RO WLJ                     ~T                 mph          $
 ~TZER O t 3                                                                                                                         AL EQUjjv
                       .                                                                                                                           +/-  5
0. o +/- ..025V, YVDSPAN q~ _I : 4
                                                                                                         ;262V +/- .2V 0ý                                                                           AL EQUIV+/-lm TZERO                                                                                                                                                   -

V ALEQ 2.5.

  -SPAN    9L                               _

J( V_ __0 _ 24 z- . 29V+/-. AL EQUIv' 2 oov zA 57w.ciSG 0 5v 1543V+ Tll ~ ~ I~ ,U w, - ~ 2 ~

h. ~ 6 ~ * .
                                                                   . * '..--                     " ",-xe,](Srn   r.;*ntrac~t Number         e0633" 16 7/07 Three.Mile Island MeteorolOgical Calibration                                                                    R-*25' Page 3 of 8
                                                                                                    ,:Dater:

B S.inal conditioners an,*Recorder,

              . Sknal Cbndftibne V6tg          utRore                                                          -,Svecftfiba~ns A>ALý                  ý:ALEQUIV               AF:".         AL.-                Signal-Cond.                           Recorder 7       ... 33 ' f t T.ZEROY.                                                                                       21.571Vt O.-050V

-TSPAN.  :.v .6o3 WSER0.0 WSE -&OO_.) v C) 'mph S mph. Mph :oTOOv -+/- 0 025V. AL EQUIV+/- lmph 4 S..SPAN '& :v__ $' mph $+/-fmphj jmp 4.262V t.+/-;025V AL EQUIV+/-* .1mph WO ZERO -0,0 V," 0,00( vP.0iO~v AL EQU!IV:2.5' wDSPAN .UOV -5,OQOV +/-.0.100V AL:EQUIV.2:56 0

ýAT. ZERO ibq~q               --     v___                                                       14,429V      0050y O

5' V0 050V

,T SPAN 5:Aoo  7 .v.        v        v~~                                                        257W +/-.-O 050V 27 J1hwj Tctte,ý7
                            ý       Jii. boohE     BiiKnjk:D ive Suite A' P1kithic: lllmoij. .'wo67 2~7)6          Q6:'()0
                                                                                                 ~imCcLrt~c       NUmber:ai      _ýM3 Th ree Mile islandJMeteorolgical Cali.

a~ge 4 Of8 Dte. i~~Q B Signal conditioners and,. clata gge r. Data-Looper' Data L66cet:ons AF AL AL EqUIVý, AF.;: ALI 313 ft T ZERO _____V .. . . 2'.57 TV0.060V W. T SPAN Mr l - ,4_643V+/-4t 005OV' WSZ.ER.( :O . .mph__-__mp. Vo OV +/-.0.02W .At EQUJV+/-+/-AMph' vs SPAM *-",G;., .... r.. 100.t 7

                                                         . :'*!:!  .mp,.h__:d. '_mp.. 42,ý62V     Q0.1025V  AL EQUIV:     1mph     Kp WOZER(                                                                                 0.0OOV 10.I1OOV         ALIEQUIV 1 2.50 b.Wb SPAP                                                                                4-5.06O40V'     1OOV     AL EQUIV +/- 25.5ý ATZEROLL44)/V:,,                                                                    '1A29.Vs+/- .050V-STr   SPAN ,Of)                                                                          5.,O    0 b 6.to,6OV.l TZE        23L vOO 25.71        `O050V TSPAN .w~

lq:1y~

                                        &yy               y)""            .11616 f fT .

Murau ~ l? nc Tctti r kin D~iv SuteA Piww Ilmi~~- oovo~W7t~~a~

xe- ýntr C~t jijn ýýr. 0633 Three Mile Islan-dilMeteorologicia Calibration

                                                                                                                                                                                                /707 R-25 Page 5 of 8 1At:.-              7L
                                                                                                                        *iij' TOWER. MEASUREMENTS
                                 -~       ~~Z                            j~r~in             :7       l     cath
                                                                                                                                                                       ;: .,      , .. . -<'V.. -     .. ...

Temperatures A 3 3: ft. A nb,: B' 4A!f.-Anib. AF AL AF,... AL AF,. A, Measured 3-.$F__ F 'f>F F~. Recorded, _ _ ,. -: ::_*: OF "- *, :*'W ;..'. " .: N'.- : i.::::

                                                                                                                                            ?2J.F         ýF
                                                                         .ifference
                                                                              .F     .',            .    . _      ._  .     -

S ecfication. . . 50F, i: ":" B~ ~ ft.ý b5 A 5 0,aft

                                                -AF                   AL         ,        AF                  Al-                 .AF               AL_.

Measured: Aý0 .'F _ __F cý OF":- F Recorded 3lF 0 0 ____F

4___T __  : 1"- : . "4 .

Difference: ____F~ Ifj Sf ecification. +/-0.51F. +/-0 186F" - 1 ý.F iSo.cificati6 Winds

                                     '~.          ~0i'I                                     -00 ft.                                  15 0f AF                   AL                        AF                     AL,                    AF                 ALSoliain WSstall0 "mph
                   ""ph               mph        U.".-..." mph                                                        C             mpth"0.0 mph*.'m:                         h+/-

pm 4, h."- Forw :~200r4 W L)- __5). 0 5 L D ::r~ .2 0 or~j' 343_ ._. ______ ________70-14301or v___ 16301523-+/-5P,: The 3430 and.163.1523 spkcficýabon.Is for the A 100 ft:wind direction only anid the B .100Wand l50,tusesthe 2500 and 70014300.specification for the windr'directionI Tracking/wear Comments: r ~ ..... ~ / .. '.A', ..0o7= , ... .. .. r, r Il

  . ...*..   .. .:: M urraly.&-1*:;etteI,' rnc.            66/'0 Fi'rstB~ank         i*ESuii,' .4:          *m;**Hi*i."6~              *x   :,,Z.*3p o :                    .       ..:*..i         ...
                                                                                                                *                   -ac~ti   N~ib~r      8C633 19
                                                                                                                                                           .7/07 Three Mile IslInd Meteorological Cahlbration                                                                           g 6 oR-25 Page, 6 of 8
                                                                                                           ..       D:"ate:i
                                                                                                                     ... i- : *.-    -, .: *',    L ., .

33ffii f 50:,ft. Aspiraos O.peration of Raini.Gauge:: . Debris screen:. n Out- Installed . Removed

                                                                            .. et...                   . n    ,         Goo:      - F. ..... P.
                             .. :*.. .* .. '.::*          ":*:;    " :i.  "    '.. oW b t., 6nditio n,::.'.::...        G ood        Fai-    (
  • o~r ,,," ":i..

Guywire tension ., SneIlibccndition El 0 AF. AsFound * '.Psylchronetrr S/N MTolo 1. AL. Aeft' -Digital Mmulim eter-SI no change:(AF=ýAL) DIgItal mutihmeter...- S/N-, FS. FullScale-: I Technicji~nsý. DC 5r&ýLo ________ Comments:,. .. Signature::

                            &Y61 l I~~
                            &urr           nc,    666 Firsi Piank DT-le, Swie A,.-          te       lm~*6o,'         (S,47) o6j9000.*.

t -i. be!0Q,6

                                                                                                                                                                          '3107 P"7'oR-25.:

Page 7 .of 8: System Response C.I-t)-7

                                                                                                                                                          ,Date:

Site: TMI System: Process Computer - A0992-A0995

                               *:A0992"   '
                                                                 -100"WD         F                 '33* T1     A0995      5-3T Expecteld.
                                         +/-0.4         3~I. C)             +/-21           qH. oo                                '+/-018
                     +  . " '- .              "4 -:        "" .. ..   . "    . .I "           - .*  :': -

A's Fouid, c?7'7 I ;Response. !-: 40.0, I-............ . 1 -r AsLeft Respon'se [ Ful cl Check A9-9ý *A0993:::-' A0994.

                  -- t-                                -

Expected Reponse: vo,O0,.; 20 A095 0-3T S...As FoundL I Response qý; I LALetReapponse

                                                                                                                  ~2 ~ d~C         \/ 7 4,J Aftrra& Tr   t              610e)EilrstBcrakL'Cive-q fif '4 Pa(          tlroS04)qý30(

I .e j Con t-r -a.c.t Hu

                                                                                                                                                         .. TiA)re z-   3                 ..

7107 Checklist - Murray & Trettel.Met. Tower Calibration for TMI. R-25 Page 8:of,.8, S.(Initial all steps upon complelion) Prerequisites

1) Notify the Chemistry Rep. that M&T personnel are arriving on-site and instruct to take the work order to 'in-prog".
2) After going the Gate 20, ensure the gate is locked to Maintain Site access control-
3) ContactcControl Room Supervisor t6 inform thattheMetTwer n Wiommencem that storadic alarms may
               , be received throughout the. evolution.                              C"lbraton wlt.cmmene an thet:we..s......71)Tellthe-ontrl R'
     /     4)    Ensure the proper PPE is available and in.good condition (Fall, Protection equipment, etc).
     /     5) The Site representative will. perform a pre-job brief using HU-AA-1 211T Brief shaltlinclude discussion of appropriate gafety precautions including, ifalprotection, use of, gloves, hard hats, safety glasses; Procedure                  !p 1.) Perform calibration of the'A' sensors and record the dat*        lAW M8T procedure
                                                                                              . PI 009
2) Perform calibration of:the .B':sensors.and rec6rd the dala.lAW M&T procedure. P.1009 Returnina e Met Towervto service.
           /1) Ensure the.Control Room indications are selected to the 'NKProcessor Rack.

_ .2) Ensure all processor switcbes are in the 'OP". mode and the red .OPS. light. is off. The wind diirection light may be.on depending on the.actual wind direction" this is acceptable,

3) Compare parameter values: for two different,15 minute averages on the computer (1i5 minute average.obtained by cdicking:on Options" then on A.V).
4) Verify:all acceptance crileda h s been-met, record discrepanies.:and comments on the data sheels. Notify the Chermistry contact.for any QOS:equipment or deficiencies.>*.

Review the data sheets for completeness.

                - ,F.allrequired acceptance *crieria are metr notify the Control Room Supervisor that the met tower is returned to service.

Ensure the heating &Ventilation system is operating, turn off the shack light* d loc the shack door.. Ensure:Gate 20 is locked. 83)Notify the, Chemistry Rep. that the work order may be ed outA All acce~tance criteri e meltand to isre yfor retumtoservic (M&T Rep) Date Murray & Trettel, I . 6oo First Bank Drive 51ite A - Palatine,Illinois - 60067 W r847) 963-900 ..

Xtioq Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station January 2008 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murrayand Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mt(aweathercommand.com web: http://www.weathercommand.com For Elon Use Oni Reviewed By: Date: Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Table of Contents Section Description Paae I Station Action Items ........................................................ 1 2 Equipment Maintenance .............................................. 1 3 Data Recovery Sum mary ........................................... 2 4 Sum mary of Billings ..................................................... 4 5 Data Analysis ............................................................. 5 6 Com puter Processing .................................................. 5 7 Annual Report Preparation ......................................... 5 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847)963-9000

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Equinment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 8 th of January. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

In-house on the 2 3rd, 3 wind speed sensors were calibrated and given new bearings. No problems were encountered with the equipment during January, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through January is summarized in Table 1.

Table I Three Mile Island A Data Recovery Summary January 2008 Hours in Month = 744 Hours to date = 744 Hours in year = 8784 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Mrs  % Hrs Hrs  % Hrs  % 10OFt Wind Speed 744 200.0 0 0.5 744 100.0 0 0.5 15OFt Wind Speed 744 100.0 0 0.1 744 100.0 0 0.1 10OFt Wind Direction 744 100.0 0 0.4 744 100.0 0 0.4 15OFt Wind Direction 744 100.0 0 0.1 744 100.0 0 0.1 33Ft Temperature 744 100.0 0 0.0 744 100.0 0 0.0 150Ft Temperature 744 100.0 0 0.0 744 100.0 0 0.0 150Ft-33Ft Delta-T 744 100.0 0 0.0 744 100.0 0 0.0 3Ft Precipitation 744 100.0 0 0.1 744 100.0 0 0.1 A V E R A GE

  • 100.0 100.0
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary January Year to Date Three Mile Island A 0 0 All Exelon Sites 0 0 Murray & Trettel, Inc. 6oo First Bank Drive,Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through January is summarized in Table 1.

Table I Three Mile Island B Data Recovery Summary January 2008 Hours in Month = 744 Hours to date = 744 Hours in year = 8784 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs  % Hrs  % Hrs  % 10OFt Wind Speed 744 100.0 0 0.3 744 100.0 0 0.3 10OFt Wind Direction 744 100.0 0 0.3 744 100.0 0 0.3 33Ft Temperature 744 100.0 0 0.0 744 100.0 0 0.0 150Ft Temperature 744 100.0 0 0.0 744 100.0 0 0.0 150Ft-33Ft Delta-T 744 100.0 0 0.1 744 100.0 0 0.1 A V E R A G E

  • 100.0 100.0
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary January Year to Date Three Mile Island B 0 0 All Exelon Sites 0 0 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

4. Summary of Billings for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Agreement - January 2008 Three Mile Island Description Cost Meteorological equipment maintenance $ 150.00 Meteorological parts, materials & contractors services $ 406.71 Total for Month: $ 556.71 Year to Date Total: $ 556.71 Murray & Trettel, Inc. 600 FirstBank Drive,Suite A Palatine,Illinois 6o067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)'

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 6oo FirstBank Drive,Suite A Palatine,Illinois 60067 (847) 963-9ooo

Three Mile' Island. Alpha *:;January 2008:

                                                                                    .Mmn:  Miss, irs. Valid I-rs Parameter                               Mean:              .Max 3,3Ft. Temperature- (F)-.                         34.1.                 . 2'  1:3..2. 0
      ,5OFt: T6ý6tperAtur6ý (-F):
                                                                                   *2" 8.

1 34.0 822 0 .744 7.:- 8 o00o*t Wind: Speed!1 (MP'H) 8..

                                                           .1,                     Calm       0     744 i5OFt. Wind Speed. (MPH)-                                           27.15:   :Calm       0     744 lSOFt-*33F t D*elta-.T      .(*)                  -O*1              10~.0       2ý-

2.2 0 744 50 ~ 100 tT Direction-: Sh(ar (deg)6 0.4 1i480 .06.144.0 3 741

i.
/ 18
. S; i lOOFt Sigma Theta (eg .. . . a7.:.:

5.: . 56..0 88 656 15OFt 'Sigqma Theta,:deg 50.0:. .5..0: 70 674 2 FT Precipi:taion: IN 0 744

                 .Monthly'Total                           0 ..      .2.....

Max 24 . Hour::.Total

Max"21 Hou-*-ý Tot*al S'0::..*24 "
  • 0..0;7.."

There- were 744 .hqurs ,in January.:: Table. piýepar'ed- on':.ý. 2/20/2008 at. 10: 3ý8

Three. Mile Island Bravo January 2008 Miss Valid Parameteer MeanMax Minm Hrs Ers 33Ft Temperature :(F). 3A4.-* " 68.. 13:.13 0 744 l5OFt Temperature (F) 34..0 12 . 7 0 .744 268.2 0Oot Wind -'Spee,.- Calm. (MPH),.: 0 744 lS0Ft-33F t. DeltaT  :(F -0.. -2 ... 2 744: 10.O 0 .100Ft Sigma: Theta-', (d) 18.4 *5-. 0. 88 656 There. were 744 h6urs i*n Janua-:ry Table. p.repa.red: on 2/2/2008 at :.a 38

Three Mile :Island Alpha Differential Temperature Distribution (de4C/i.00m)

                            ":'  -. -        P,l gnn 1*                 :          .

3 0. f t DT::LTT' -7: 7:..5 .

        -7   . 5.GE. DT.LT. -7.0:                               0'
        -. 0 GE DT:-.LT7.: -"6..5.

GDT,:LT*-6 0.

        -6.                                                    :0:
        -6.0 GE OT. LT -5'..5
       .,-73: .'0 GE, DT:: LT             5. 0 0.
       *-4*.5
       .- 4.06 GE*. E DT L-T -4...0 G-lT*LT                3. 5
       .- 3.:5 GE DT: LT. -3.' 0                            L<0[

6 0'. I : GE'fT. LT. 2. 5..: 3.8 48.:: .,:" GD TLT. -2.ý0

         -22.0GE.:.DT LT -1,.                                 80.
                                                             .3.

GE.-DT,: LT -1:0.. 2.-! 4001< <: GED.T:LT.: 01.05:. a0.0GE: DT LT:0. 5 !40 :. i GE: -T.., LT 1.0-; .: " GE DT. LT 2.0 20 .. . - GE DT. LT 2.5 32 :"::ii ."

60 :-

132 12/i=

3.,
  • GE:.DT: LT: :: 4-.0 GE T: LT..45 GE DT., LT !..:.5.00 3:' .' .

GE:T :LT.. 5.5 . b.. 5 .:. 5-..50 GE: DT. LT 6-.0: ." 6 < 7

         ' -7s GgE.GE:DT DT LT   7: .:6::.5:.
                                    .  "  7.0
82 " .:

GE..:DTA:-J : 7.5:*:": :. :.. <.

  • GE* VT ,: " " .. " .: " . " .:: .

NRC Stabi-ity Cl:.::.a~s.ses. Unstaýbie Netutral:. 39 Stable 28&6 TOTAL: NO.. H ..  :.. 7 44. 09., 4: S.. TABLEPDC 02/20/,8

                                                                           ~1

Tihree'.i- :I.e *Iand: B. avo Differenitial Temperature Distribution -(degcC/1.i0m)

                                    *1/"t 2008              :;
                              -   :':-                150-30            E t :.        "

DT LT

7. 5 GE: DT LT. -7.0
         -7. GGE* DT LT
         -6. 5 GE DTLTI -:-6.0
         -5.0 GE DT: LTý -7.5 5". ": .:.i           0
         -5.5-5 GE. DT'. LTI'.:
         -    .0 :GE DT.. LT                                      10 4 5        E 9.. DT.r, LT:
         -4..3.0 'GE D7 LT             -3.5
                                         -0.0                 170
               -3.5.GE      T LT.:
         -o.         GE DT LTr         -2.5               ' -i
                                       -&2. 0"         :
        ,-2. 5 GE. DT: LT .
         -2.0. GE DT LT."                   -50                 40 5-:. GE DT LT:-. -.0..5  -4 . 5. ... ;.:

2 1:1

                                                             .; ,43 -, !:

1.0 GE PDT LT.

                                                              /23-            '
           .5'.      GE::DT LT,            . 0.    .

0.5 GE ..DT LT. 17. 15ý 1,2.0 GE DT LT,.. P.:T Lt .2. 0.. 337

14.  :.
.0 GE, DTI .LT....
              .      GE DT LT..         *.4                   -. 7 9;:. i ; !i
                                             *..54j*: '0:

6:: 25,"

            .,0 :GE Pi      T LT.

4.;

                                       ':.5.51--?

4.?r0::

              . , GE. PT LT*

GE- DT. LT

                                                              ... 5.:i 4.5 GE. DT:Lt" 65 -GE: DT LT 7,.5 .. :/

7.5 GE DT: NRC S t.ab-ility Classe*s::,- .. Unsable-.,

             -Neutral'.:

291: TOTALt No.,HOURS 744: TABLE. PRODUCED:0/00 0:44

                                                                    '4'

12 7107 Three Mile Wsland Sitei " Routine Site Visitatton Log

                                                                                                *Date: 1-*2->"

Begin:

  • EST End:,-J EST Operation of data logger L*' 0;ý Heater System operational (Oct-.Apr) £'YES Air C'ond. Syste6mi Operationalý (May-Sep)*. 0 YES A Readings (Taken at A? :*3: EST)

SPEED DIRECTION 'TTEMP: AT 33 ft.F 1.00 ft" ~ jLiiph! &(i

 .50 ft.      2          imph. 173           [.        IF   * . T B Readings (Taken atP:*/10      Y         EST)

SPEED DIRECTION: TEMP: 33 ft.

100 ft. I.m,:rn.ph' j~

150 ft - .oF ed and Direction values agrieewih vtisual indications?. 0: UD 0" Rain gauge check made ath*: '19 ESTq 0 in.Nogauge dheck made due to precipitation Psychrometer Measurement Reading (Taken at h2 ." .: EST). Dry bulb: 400*k1Si."F, COMMENTS:. I Techci: 2 tte Ic.i Muray& 60 F~s BIf& Diu,Ž .qai'eiios P04~ .66o67.9

Weekend I Holiday Page..L oiL... Reason for work/Nature opfProblem:.*.,& ., . , n: w. .. A .. .. cu d

                             .:.     -2:                :                             aLA,,l Measu,       Tes-EQuiment Used.                  ,,                                                                q Work Cc mplete'                    Yes        N          6Clibrate             Yes      0. No 0.         NA.

__*_.._ _.. . ,... .Me.e.ra ogica. e Technician Re H ,.ur T Hour . . Micro S ... s...

      .....        Ea i ~ e    .    . ....... . ...   :onitoriog    ......   :..                      ".Visibility.
. ....... .. wa'in"
                                                                                                                                               . signs 0]     Other,_          _  _   _     _     _   _   _

Billabl Labor ______ T.el.mi s to, Misc*- MurayIc>.~&i Trtte, ~'rsfkxn~rw SweAPý-1atrn Ilinis 0600672(7)63gO

Z 1A Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station February 2008 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mtaweathercommand.com web: http://www.weathercommand.com For Exelon Use OnIl Reviewed By: Date: Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Table of Contents Section Description Page 1 Station Action Items .................................................... 1 2 Equipment Maintenance .................................................. 1 3 Data Recovery Sum mary .......................................... 2 4 Sum mary of Billings ..................................................... 4 5 Data Analysis ............................................................. 5 6 Com puter Processing .................................................. 5 7 Annual Report Preparation ......................................... 5 Murray & Trettet, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Equipment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 1 4 th of February. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

On the 12th, an attempt to visit the met tower and perform the monthly site visit was made. Upon arrival, it was discovered that the lock had been changed. Site security had no knowledge of the lock change-out. Information for the lock combination was received on the 13h. No problems were encountered with the equipment during February, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through February is summarized in Table 1.

Table I Three Mile Island A Data Recovery Summary February 2008 Hours in Month = 696 Hours to date = 1440 Hours in year = 8784 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs Hrs  % Hrs  % 10OFt Wind Speed 696 100.0 0 0.3 1440 100.0 0 0.4 15OFt Wind Speed 696 100.0 0 0.1 1440 100.0 0 0.1 10OFt Wind Direction 696 100.0 0 0.6 1440 100.0 0 0.5 15OFt Wind Direction 696 100.0 0 0.4 1440 100.0 0 0.3 33Ft Temperature 696 100.0 0 0.0 1440 100.0 0 0.0 150Ft Temperature 696 100.0 0 0.0 1440 100.0 0 0.0 15OFt-33Ft Delta-T 696 Ibo.o 0 0.0 1440 100.0 0 0.0 3Ft Precipitation 692 99.4 4 0.7 1436 99.7 4 0.4 A V E R A G E

  • 100.0 100.0
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary February Year to Date Three Mile Island A 0 0 All Exelon Sites 18 18 Munay & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through February is summarized in Table 1.

Table 1 Three Mile Island B Data Recovery Summary February 2008 Hours in Month 696 Hours to date = 1440 Hours in year = 8784 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Rrs  % Hrs  % Hrs  % 10OFt Wind Speed 696 100.0 0 0.3 1440 100.0 0 0.3 10OFt Wind Direction 696 100.0 0 0.4 1440 100.0 0 0.3 33Ft Temperature 696 100.0 0 0.4 1440 100.0 0 0.2 15OFt Temperature 696 100.0 0 0.0 1440 100.0 0 0.0 150Ft-33Ft Delta-T 696 100.0 0 0.4 1440 100.0' 0 0.3 A V E R A G E* 100.0 100.0

  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary February Year to Date Three Mile Island B 0 0 All Exelon Sites 18 18 Murray & Trettel, Inc. 6oo FirstBankDrive, Suite A Palatine,Illinois 6oo67 (847)963-90oo

4. Summary of Billings for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Agreement- February 2008 Three Mile Island Description Cost Meteorological equipment maintenance $ 298.30 Meteorological parts, materials & contractors services $ 874.50 Total for Month: $ 1,172.80 Year to Date Total: $ 1,729.51 Murray & TretteZ, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 6oo67 (847) 963-9ooo
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 6oo FirstBankDrive, Suite A Palatine,Illinois 60067 (847) 963-9000

Three Mile. Island. Adpba February 2008 M4is~ valid Parame tez' meazi. MLatx Minl Hrs Hr-S 6_.0 .,

   .33Ft T6mea\r                F                  33.1                9.9-       0        696 150 ,F.t Te6mpe.rature CF                       3 ~3.0~                        0        6.96 lOOF-t i 7i-ndeSed          (1%TPk,)               :8-. 30.5      Calm        0        696 i50FtWind Speed6.H                               8.7:  31.-1     Calmn      0         696 0        696 150 0
-       FT   3i'Ptio:erdg           F,             -2.5a          S0
  • 3 693' oOFt Si Thd ta (deg). " 18.2 5. 0 7S 6 21.

50.0 lSOPFt Sig*Ma& Theta. (deqW 76 5. 640

    -2ý PT   Prei,      iaio                IN                                    : ..
  • 2 Monthliy 'Total,.~. 4.140 t.Max: 24% 1u r, Total, ~...2
                                                    . 'I
                     !'Ix    ~ouz- Total.              024 Thee     ere     ý6.9hbilrs. ini Fo-lruary Tablýe Fq-epaijd c-n           4// 2/20 06 at 1-5;0

Three Mile Island Bravo February 2008 Miss Valid Parameter Me6an, Max Minm Hrs Hrs 3.3Ft Teniperature-(F) 0 6596.

J. 3.:

2 , :.9.. 66.*.0 .9

                                                                                      . .06           696 i50OFt Temperaturie:O                      (F)                                                   0 0oart wind Speed                        (MPH-)                   83.1:. 2 8. 5 Ca Im         0    696 1 St-.$Ft:                 elt-a-T.F)                           -0!,i:
                                                                 .2!::.       :.8  -     "1.6    0    696' 4.0       73      2 Thiere were 69                     or           nFebruary
      .oý.f.ei-Da
                     .-r1,e dý on Tabl     4.2/2008 prear.ed d at 1S:07

Thr!ee ieIln lh Dif ferentiza isrbto agd./iooM

                                                                                                       &O~'rtr
                         * *....    ' ' .::*:2/2*o0 *08           !i(: t. :::~) :.                    -    *-  .i
                                           * ..      .<:.._'15.0 .'-30             ft... :   *    ,
               .-37. 5 GE -DT LT
              .- 7.0 GRE DT          ULT.:                                     0
                                             -.- 5. .                           0
               -6.0 GE DT .LT .U
               - 5. GE -:.T.DT. '.
                                                  -50                           0-
                     -50GE D.T LT.`
                                                -35                             0
                   -S,5GE, OT 2,. GE: DT- UZT               5                            1
       ."..':. 762:f.:0 GR    I):Dr L:7.11:*";I  1i5                      .32
-,0GE VIP
   . ..sta..                   DT-. LT
                     -20GE ýDT: LT.. -0.5                                194
                    -1. GDILT   D!                      0.0                  71 0.5                         77
                    *0.5 -~DT: LT
                -0       GS':G-e T LT. i 1.0'2 1-. 5GE.DT:

i.5 125 2.0 21 0 .5G. GEý DT.-LT ":.o!:

  • :::. ::: .:::i:.!.1(.:

81128  :~ :: : ,.:.:*. 15 'GE:D i 2.0 GE OT 3-5 .12 4.0 7 2.GE .D~ 4.5 . 2,

6. IDGE DT*LT:

3-.5 GE LT. i 4.70 %GEDT. LT~ S.00 05 :.. I 7.05 GE:-DTlT 67 I-IR stability c lasses.

                    .Unistab.le Neutral                                                 42;*.8.
                    'Stable TOTAL IqO.          HOURS                                   .69.6 TABLE PRODUCED 04/04/08 09:16:13

Thre ile~sarmi Bi-ravo: DTLT: -. 5 3 6E:, T LT.

                                    -7J0~

E DIT. LT< G. -6.5 0 6 0 GE :DT LT -3.> 5 ,5GDTLT Gl ý 420 7 0 7.2 JGRSDT.-LT

          ~4.0GEDT.L                   5
              -3.5GE   ~I~ T        30             19 4E:~.DTLT          25 02G.,qP.T                  0' EDT'15 LT             0         19
           -1.0  GEJ.LT              0   5         174, GE-DT LT            1 0            29, 0.-

1.0 G DT. LT 1250 I - f 2.5' *3 2.OG GE DT-LT 406 4.5GBUT. 4.50

            -5Q GEUT LT:

5.5GEUT LT. 0

               ~0GE T LT                    51 6.5 GE' DT LT                700 D~T                             4LT 7

NC stability Case Nqeitral ~.7 S~ta bl TOTAL 1lo, -Houps69 TALE pRODUCED 04/04/04 09:16::3

Exe*on Contract iNwber SC-33 12 7107 Three Mile Island SiteR RoutineISi Ite Vis .itatibon Log Begin:. EST

                                                                                                     -End' A-2 -- 4.       EST Operation of da taogger                           [9OK        E        __________

Heater System Operiational (Oot-Apr) Eli Air Cond I.system Operationaj May-SIep) 1 YESý I~ A44 X-.* A.Readingi tfAknat/7 ST SP~ DRECTIONý TEMP I ___fphtLL B Readings (Taken at.AL2E,9T) SPEED: -DIRECTION TEMP A 33.ft;. .4 c5. F~ 150f. I . mp D ee anýd. Drction v~us' a~r Ith visual indications9 . E JDU________ 0' aingauge theclunade,02 *ýT ElN ai ag check ma&edu to predi~pitation Psyc'hrometer Measurement Reading .(T6ken At 7.? EST) Dry bulIb- III COMMENTS-

                                                                                         .1     ,~i    If!

Technician:im ~ Run-ray)&,Trettel, Ine-. o First Bank Drive, Svt-de A PaiiqPIni -6o7I 87

Ex*lon Contract Number 80633 Al Equipment Meinntenance Log 7/07 R-25 Elln-hcuse work. F, ied wor '5 " II T *~Wee kday:

                                                                                                  . I Wekend/

p Holiday Pane.4 of_. Re~ison ftorwork/ Nature Pf PpblrPPI: ,4j P' Work, Peforrnedclo Fk17~r~4Ž X1~. eoZ 40-P14-4 ~ i c~I-'L-~(1§J2eY4 A Thsjq et E~wi e1oer.; f Used 4ytP W~ork Completed? LIYs No Caflibrated? [IYe l n N

                                                                     ~.           Meteorolo ."al Date        j      hhiir             'e   or.       OT Hours            AqMirokel
         /.9~ ýO                                                            L I sbfly ron trlfog warning signs
                                                    ]                    ~Travel: .             2       mi s (o  .        tolis
                                                                             -~~~~~-v       Mic Muray&6oTi~te   Bcicric.~deA ?iaiii Ilinis- 5oo~-~5(847)96S-90Q F-sIn.

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 All Stabilities Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 7 I0 16 27 13 11 11 4 0 0 99 NNE 0 10 6 18 16 6 1 0 0 0 0 57 NE 0 10 13 6 18 14 2 0 0 0 0 63 ENE 0 10 14 6 11 14 3 0 0 0 0 58 E 1 16 13 8 18 16 8 3 0 0 0 83 ESE 0 5 22 12 20 22 17 4 2 0 0 104 SE 0 17 20 16 12 3 3 0 0 0 0 71 SSE 0 5 14 13 23 6 0 0 0 0 0 61 S 0 7 12 12 28 20 10 7 1 0 0 97 SSW 0 5 10 17 23 30 19 7 5 0 0 116 SW 0 9 11 16 22 23 18 5 4 0 0 108 WSW 0 13 17 15 34 27 5 5 8 0 0 124 W 0 9 12 13 60 53 48 33 32 8 3 271 WNW 0 11 17 12 25 36 48 73 129 33 11 395 NW 0 9 15 13 27 26 26 38 91 46 18 309 NNW 2 8 25 26 25 14 9 9 8 2 0 128 Tot 3 151 231 219 389 323 228 195 284 89 32 2144 Hours of Calm ...... ....... 10 Hours of Variable Direction 0 Hours of Valid Data . . .. 2154 Hours of Missing Data . . . 6 Hours in Period ........ .. 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class A Extremely Unstable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 0 0 0 0 0 0 0 0 0 0 0 NNE 0 0 0 0 0 0 0 0 0 0 0 0 NE 0 0 0 0 0 1 0 0 0 0 0 1 ENE 0 0 0 0 2 2 0 0 0 0 0 4 E 0 0 0 0 1 0 0 0 0 0 0 1 ESE 0 0 0 1 3 4 4 0 0 0 0 12 SE 0 0 0 0 4 2 1 0 0 0 0 7 SSE 0 0 0 0 0 0 0 0 0 0 0 0 S 0 0 0 0 1 2 2 1 0 0 0 6 SSW 0 0 0 0 1 2 2 4 2 0 0 11 SW 0 0 0 0 0 0 0 0 0 0 0 0 WSW 0 0 0 0 0 1 0 0 0 0 0 1 W 0 0 0 0 0 1 1 0 1 0 0 3 WNW 0 0 0 0 0 1 3 2 2 0 0 8 NW 0 0 0 0 0 0 1 1 0 0 0 2 NNW 0 0 0 0 0 0 0 0 0 0 0 0 Tot 0 0 0 1 12 16 14 8 5 0 0 56 Hours of Calm ...... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . . .. 56 Hours of Missing Data . . . 6 Hours in Period ........ .. 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class B Moderately Unstable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 10 0 0 0 0 0 0 0 NNE 0 NE 0 0. 0 0 0 2 ENE 0 E 0 0 0 ESE 0 0 2 0 0 0 SE 0 SSE 0 0 0 1 0 0 0 0 0 0 0 1 S 0 0 1 0 2 1 1 1 0 0 0 6 SSW 0 0 0 0 1 3 5 0 1 0 0 10 SW 0 0 0 0 1 0 3 1 0 0 0 5 WSW 0 0 1 0 0 1 0 1 2 0 0 5 W 0 0 0 0 1 1 1 9 3 1 0 16 WNW 0 0 0 0 0 1 3 2 22 1 3 32 NW 10 9 27 NNW 0 0 0 0 0 0 0 Tot 9 12 16 17 38 11 119 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of Valid Data . ... 119 Hours of Missing Data . . . . 6 Hours in Period ......... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class C Slightly Unstable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 1 0 2 0 0 0 1 0 0 0 4 NNE 0 0 0 0 0 0 0 0 0 0 0 0 NE 0 0 1 0 1 2 0 0 0 0 0 4 ENE 0 0 0 0 1 2 0 0 0 0 0 3 E 0 1 0 1 2 2 0 0 0 0 0 6 ESE 0 0 1 0 2 1 0 1 2 0 0 7 SE 0 0 0 0 0 0 0 0 0 0 0 0 SSE 0 0 0 0 0 2 0 0 0 0 0 2 S 0 0 1 0 2 0 1 0 0 0' 0 4 SSW 0 0 0 0 1 6 1 0 0 0 0 8 SW 0 0 0 .0 0 0 1 0 0 0 0 1 WSW 0 0 1 0 1 1 1 0 0 0 0 4 W 0 0 0 0 1 0 2 1 2 0 0 6 WNW 0 0 1 0 0 0 2 4 13 5 2 27 NW 0 0 1 0 1 1 2 0 10 11 2 28 NNW 0 0 2 0 1 0 2 0 0 0 0 5 Tot 0 2 8 3 13 17 12 7 27 16 4 109 Hours of Calm ...... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . . .. 109 Hours of Missing Data . . . 6 Hours in Period ... ...... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class D Neutral based on Lapse Rat( Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 2 0 3 4 5 5 6 1 0 0 26 NNE 3 5 1 0 0 0 0 15 NE 0 3 8 9 2 0 0 0 0 24 ENE 3 5 2 0 0 0 0 23 E 0 2 6 2 11 7 7 2 0 0 0 37 ESE 0 1 11 4 10 1 7 3 0 0 0 47 SE 0 3 9 10 3 1 1 0 0 0 0 27 SSE 0 0 3 6 15 3 0 0 0 0 0 27 S 0 1 1 3 10 5 3 1 1 0 0 25 SSW 3 11 4 8 2 0 0 0 30 SW 7 5 11 8 1 4 0 0 41 WSW 6 9 12 3 3 1 0 0 41 W 7 28 32 37 22 25 7 3 165 WNW 9 19 31 60 86 27 6 252 NW 5 5 17 29 66 26 12 170 NNW 2 8 2 8 6 3 6 3 1 0 39 Tot 31 70 67 14 2 140 135 135 187 61 21 989 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of valid Data . ... 989 Hours of Missing Data . . . 6 Hours in Period ......... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class E Slightly Stable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 2 4 6 14 8 6 4 3 0 0 47 NNE 10 20 NE 0 2 1 2 0 0 0 0 0 12 ENE 5 1 0 0 0 15 E 1 5 3 7 0 1 0 0 27 ESE 0 1 4 5 3 3 4 0 0 0 0 20 SE 0 6 7 5 4 0 1 0 0 0 0 23 SSE 18 S 10 11 3 4 0 0 0 36 SSW 2 4 13 3 1 2 0 0 35 SW 0 5 1 6 12 4 3 0 0 0 39 WSW 0 2 2 5 19 9 1 0 5 0 0 43 W 0 0 4 4 26 19 6 1 1 0 0 61 WNW 0 2 4 6 12 13 9 5 6 0 0 57 NW 10 12 0 0 41 NNW 0 1 7 8 11 7 2 3 5 1 0 45 Tot 1 36 54 79 158 117 43 24 26 1 0 539 Hours of Calm ... ........ 3 Hours of Variable Direction 0 Hours of Valid Data . ... 542 Hours of Missing Data . . . 6 Hours in Period ......... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class F Moderately Stable based on Lapse Rate Elevations:: Winds 1O0ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total 0 1 2 2 7 0 12 NNE 0 4 0 15 NE 0 3 4 1 2 0 0 0 0 0 0 10 ENE 0 1 5 1 0 0 0 0 0 0 0 4 1 2 0 0 0 0 0 0 7 ESE 0 1 3 1 0 0 0 0 5 SE 0 4 1 0 0 0 0 0 5 SSE 0 1 2 5 S 0 0 0 3 1 0 0 0 0 SSW 0 0 4 4 3 2 13 SW 0 0 4 2 4 4 2 0 0 0 16 WSW 0 7 7 2 2 0 0 22 W 0 5 3 0 4 0 0 0 13 WNW 0 3 3 1 3 0 0 0 0 0 11 NW 0 2 3 4 3 3 1 0 0 28 NNW 1 2 5 7 5 1 2 0 0 0 0 23 Tot 38 50 37 41 16 8 4 1 0 0 196 Hours of Calm . ... ...... 3 Hours of Variable Direction 0 Hours of Valid Data . . 199 Hours of Missing Data . . . 6 Hours in Period ......... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class G Extremely Stable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft wind W:ind Speed Range (m/s) Direction 0.5- 1.,Li- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.J5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 1 4 3 2 0 0 0 0 0 10 NNE 4 1 1 1 0 0 0 0 0 7 NE 4 4 2 0 0 0 0 0 0 10 ENE 3 3 0 0 0 0 0 0 0 E 3 1 0 0 0 0 0 0 0 4 ESE 2 3 0 0 0 0 0 SE 4 3 0 0 0 0 0 0 0 7 SSE 2 6 0 0 0 S 5 4 4 2 1 0 0 0 0 16 SSW 2 3 2 2 0 0 0 0 0 SW 4 0 0 0 0 0 0 6 1 WSW 2 2 2 1 0 0 0 W 3 2 2 0 0 0 0 0 WNW 3 2 1 1 1 0 0 0 0 8 NW 3 2 2 4 2 0 0 0 0 13 NNW 3 3 5 0 0 0 0 0 0 12 Tot 44 47 25 14 5 0 0 0 0 0 136 Hours of Calm ... ........ 4 Hours of Variable Direction 0 Hours of Valid Data . ... 140 Hours of Missing Data . . . 6 Hours in Period ......... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 All Stabilities Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 2 9 16 23 15 16 7 0 0 97 NNE 0 2 4 8 14 8 0 0 0 42 NE 0 4 14 6 16 13 60 ENE 10 13 13 0 0 0 0 60 E 10 9 6 15 12 12 2 0 0 0 66 ESE 10 20 10 20 21 15 7 2 0 0 106 SE 9 15 11 12 9 11 1 0 0 0 68 SSE 6 10 9 21 10 3 0 0 0 0 59 S 8 19 8 20 25 10 6 2 0 0 98 SSW 5 13 24 32 .3 8 2 0 148 11 SW 0 13 23 19 24 2 0 115 WSW 0 11 12 15 35 10 3 0 93 W 0 12 15 25 71 55 36 21 18 3. 0 256 WNW 0 7 17 8 32 40 61 61 135 50 11 422 NW 0 10 18 14 23 22 26 33 90 63 41 340 NNW 0 8 16 18 24 16 12 13 18 Tot 1 125 207 194 398 312 269 189 279 122 52 2148 Hours of Calm ... ....... 6 Hours of Variable Direction 0 Hours of Valid Data .... 2154 Hours of Missing Data . . . 6 Hours in Period ... ...... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jar - Mar for years 2007 - 2007 Stability Class A Extremely Unstable based on Lapse Rate Elevations:: WindE 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total 0 0 0 0 0 0 0 0 0 0 0 NNE 0 0 0 0 0 0 0 0 0 0 NE 0 0 0 0 1 0 0 0 0 1 ENE 0 0 2 2 0 0 0 0 0 4 E 0 0 1 0 0 0 0 0 0 1 ESE 2 2 0 0 0 8 SE 0 0 SSE 0 0 0 S 0 0 0 2 SSW n 6 15 SW 0 0 0 0 0 WSW 0 0 0 0 W 0 0 1 1 0 0 4 WNW 0 0 0 8 NW 0 0 0 0 0 0 0 0 NNW 0 0 0 Tot 0 0 12 10 20 8 1 0 56 Hours of Calm ... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . ... 56 Hours of Missing Data . . . 6 Hours in Period ... ...... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Ma:r for years 2007 - 2007 Stability Class B Moder ately Unstable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- i. I- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 0 0 0 0 0 0 0 0 0 0 0 NNE 0 0 0 0 0 0 0 0 0 0 0 0 NE 0 0 0 0 0 0 0 0 0 0 1 ENE 0 0 0 0 0 1 0 0 0 0 E 0 0 0 0 0 0 1 0 0 0 ESE 0 8 SE 0 0 0 0 0 1 0 0 0 0 0 1 SSE 0 0 0 0 1 0 0 0 0 0 0 1 S 0 0 0 3 SSW 0 2 1 0 14 SW 0 0 0 0 0 3 5 WSW 0 4 W 14 WNW 23 33 NW 12 28 NNW 0 0 0 4 0 0 0 0 0 1 0 5 Tot 0 0 1 7 8 13 21 11 39 9 10 119 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of Valid Data . ... 119 Hours of Missing Data . . . 6 Hours in Period ......... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class C Slightly Unstable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 NNE 0 0 0 0 0 0 0 0 0 0 0 0 NE 0 0 0 0 2 2 0 0 0 0 0 4 ENE 0 0 1 0 1 1 1 0 0 0 0 4 E ESE 0 0 3 1 0 0 0 SE 0 0 SSE 0 0 0 0 0 0 0 0 0 S 0 0 1 0 2 0 0 1 0 0 0 4 SSW 0 0 0 0 1 4 3 0 0 0 0 8 SW 0 0 0 0 0 0 0 1 0 0 0 1 WSW 0 1 0 0 2 1 0 0 0 0 0 4 W 0 0 0 1 0 0 3 0 0 0 0 4 WNW 0 0 1 0 13 7 0 24 NW 0 0 1 0 0 2 1 2 5 13 9 33 NNW 0 0 2 0 1 0 1 1 0 0 0 5 Tot 0 3 7 4 12 14 ii 9 20 20 9 109 Hours of Calm . Hours of Variable Direction 0 Hours of Valid Data . . .. 109 Hours of Missing Data . . . 6 Hours in Period ......... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class D Neutral based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 1 0 2 3 7 1 10 2 0 0 26 NNE 0 .0 2 2 0 3 6 0 0 0 0 13 NE 0 1 2 1 2 10 4 1 0 0 0 21 ENE 6 4 3 4 0 0 0 0 25 E 0 0 3 2 10 7 6 2 0 0 0 30 ESE 0 3 9 4 11 11 7 5 0 0 0 50 SE 0 3 7 7 4 2 3 1 0 0 0 27 SSE 0 0 1 5 10 6 1 0 0 0 0 23 S 0 0 3 3 8 11 4 2 1 0 0 32 0 1 2 3 11 4 7 3 2 0 0 33 55w SSW 0 3 2 6 4 8 10 4 2 0 0 39 0 1 5 7 11 1 3 0 2 0 0 30. w WMW 0 3 5 13 33 38 20 15 13 3 0 143 WNW 0 0 5 3 11 16 43 46 92 41 8 265 NW 0 4 8 2 3 5 10 25 66 43 25 191 NNW 0 1 7 1 10 5 3 6 6 1 0 40 Tot 0 25 65 67 135 137 132 120 186 88 33 988 Hours of Calm . 1 Hours of Variable Direction 0 Hours of Valid Data . ... 989 Hours of Missing Data . . . 6 Hours in Period ......... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class E Slightly Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- i.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.5 0 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 5 9 12 5 8 5 5 0 0 49 NNE 0 5 10 4 0 0 0 0 0 20 NE 1 2 3 7 1 0 0 0 0 0 14 ENE 2 0 1 5 6 2 0 0 0 0 16 E 4 1 0 4 3 5 0 0 0 0 17 ESE 4 5 4 1 4 2 1 0 0 0 21 SE 0 4 3 4 3 4 0 0 0 0 18 SSE 2 6 3 7 3 1 0 0 0 0 22 S 4 5 1 5 9 5 3 1 0 0 33 SSW 2 3 6 9 12 7 3 3 1 0 46 SW 3 0 3 13 10 7 4 0 1 0 41 WSW 2 1 4 18 4 0 3 0 0 0 32 W 1 2 8 29 14 6 2 1 0 0 63 WNW 5 2 14 20 9 9 5 1 0 66 NW 0 3 3 9 9 8 1 6 0 0 39 NNW 3 3 8 8 3 2 7 1 0 44 Tot 30 45 63 156 115 67 33 28 4 0 541 Hours of Calm I Hours of Variable Direction 0 Hours of Valid Data . ... 542 Hours of Missing Data . . . 6 Hours in Period ......... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class F Moderately Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 44.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 .0 6.0 8.0 10.0 Total N 0 0 3 2 5 3 0 0 0 0 0 13 NNE 0 3 1 0 0 0 0 0 5 NE 0 0 16 ENE 0 2 0 E 0 ESE 1 2 3 1 1 0 0 0 0 0 0 8 SE 0 3 1 0 0 0 4 0 0 0 0 0 SSE 0 4 0 0 0 0 0 0 0 0 5 S 0 SSW 0 0 3 6 0 0 0 0 14 SW 0 3 1 3 5 1 0 0 0 WSW 0 3 3 3 2 2 0 0 0 0 0 13 W 0 2 6 0 6 0 0 1 0 0 0 15 WNW 0 2 0 0 0 0 16 NW 5 3 5 5 4 1 0 0 34 NNW 1 1 3 4 3 1 2 0 0 0 15 Tot 34 46 26 50 17 14 8 1 0 0 197 Hours of Calm ... ........ 2 Hours of Variable Direction 0 Hours of Valid Data .... 199 Hours of Missing Data . . . 6 Hours in Period ......... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jan - Mar for years 2007 - 2007 Stability Class G Extremely Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 0 3 0 0 0 0 0 0 NNE 0 NE 0 0 0 0 0 0 3 ENE 0 6 E 0 0 0 0 0 0 0 0 5 ESE 0 0 0 0 0 0 0 0 4 SE 0 3 2 1 0 0 0 0 0 0 0 6 SSE 0 0 3 1 2 0 0 0 0 0 0 S 0 15 SSW 0 2 5 3 7 0 0 0 18 SW 4 3 0 0 0 0 0 0 0 11 WSW 0 4 2 1 2 1 0 0 0 0 0 10 W 0 6 2 3 1 0 1 0 0 0 0 13 WNW 0 1 2 3 3 0 1 0 0 0 0 10 NW 0 1 0 14 NNW 0 3 3 2 0 0 0 0 0 0 0 8 Tot 0 33 43 27 25 6 4 0 0 0 0 138 Hours of Calm . . . 2 Hours of Variable Direction 0 Hours of Valid Data . ... 140 Hours of Missing Data . . . 6 Hours in Period ......... 2160

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 All Stabilities Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 9 14 8 42 12 10 11 4 1 0 ill NNE 0 5 8 9 17 13 2 2 0 0 0 56 HE 0 7 10 13 16 6 3 2 1 0 0 58 ENE 0 4 9 6 20 14 0 0 61 E 0 16 15 14 31 34 16 8 2 1 0 137 ESE 0 10 15 17 17 17 21 11 14 1 0 123 SE 0 7 13 15 8 4 3 0 0 13 2 65 SSE 0 6 10 14 15 9 3 0 0 57 S 0 7 11 12 33 21 2 0 0 0 0 86 SSW 0 5 17 18 51 29 11 7 10 0 0 148 SW 0 16 20 32 38 14 12 6 2 0 0 140 WSW 0 15 30 23 25 15 13 4 4 0 0 129 W 0 20 35 19 33 35 22 24 31 3 0 222 WNW 0 24 28 25 36 44 44 24 26 17 7 275 NW 0 20 38 22 22 30 30 29 48 11 7 257 4 NNW 0 13 25 16 47 25 22 25 26 8 6 213 Tot 0 184 298 263 451 322 231 157 170 2 20 2138 Hours of Calm ...... ....... 3 Hlours of Variable Direction 0 Hours of Valid Data . . .. 2141 Hours of Missing Data . . . 43 Hours in Period ........ .. 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class A Extremely Unstable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 0 0 0 NNE 0 0 0 0 0 0 NE 0 1 0 1 0 0 ENE 0 0 0 5 E 0 6 6 0 0 0 14 ESE 0 0 17 SE 1 1 0 0 SSE 0 0 0 0 3 S 0 1 1 SSW 0 9 10 0 0 0 25 SW 4 9 3 0 0 0 19 WSW 0 0 0 10 W 0 1 0 WNW 0 1 2 NW 3 4 1 0 16 NNW 0 0 0 2 5 Tot 0 3 16 22 36 40 21 5 0 152 Hours of calm ... ........ 0 Hours of variable Direction 0 Hours of Valid Data . ... 152 Hours of Missing Data . . . 43 Hours in Period ......... 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class B Moderately Unstable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 3 NNE 0 0 0 0 0 0 0 0 0 0 1 NE 4 ENE 0 3 1 0 0 0 0 7 E 0 0 2 4 ESE 0 7 SE 0 5 SSE 3 S 0 0 2 SSW 0 0 17 SW 0 0 18 WSW 0 1 7 2 3 1 0 0 0 0 0 14 W 0 1 2 2 0 2 0 2 13 1 0 23 WNW 0 0 4 2 4 6 3 2 6 1 0 28 NW 0 0 7 3 1 3 5 7 12 0 0 38 NNW 0 0 3 0 1 3 4 4 3 0 0 18 Tot 0 4 29 23 31 29 23 20 38 2 0 199 Hour " of Calm ...... ....... 0 Hour s of Variable Direction 0 Hour "s of Valid Data . . . 199 Hour "s of Missing Data . . . 43 Hour "sin Period ........ .. 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class C Slight] -y Unstable based on Lapse RatE Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 2 NNE 0 0 0 0 0 0 0 0 0 0 0 0 NE 5 ENE 0 0 0 1 0 0 0 0 0 2 E 3 ESE 0 7 SE 0 0 2 SSE 4 S 0 0 1 0 0 0 0 2 SSW 7 SW 0 0 2 2 9 WSW 0 0 0 0 2 W 0 0 1 3 7 5 20 WNW 25 NW 0 0 6 2 2 1 9 7 0 0 28 NNW 2 1 0 5 4 1 0 13 Tot 24 19 12 29 23 3 0 131 Hours of Calm ... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . ... 131 Hours of Missing Data . . . 43 Hours in Period ... ...... 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class D Neutral based on Lapse RatE Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 N 0 3 3 11 3 6 6 3 1 0 37 NNE 8 1 1 0 0 0 22 NE 0 0 4* 3 7 5 1 0 0 0 0 20 ENE 0 1 4 4 9 6 5 0 0 0 0 29 E 0 2 3 2 9 16 8 3 0 0 0 43 ESE 0 0 3 6 2 7 10 6 10 1 0 45 SE 0 0 3 3 3 4 8 3 1 0 0 25 SSE 7 10 4 1 0 0 0 0 24 S 0 0 3 3 18 8 0 0 0 0 0 32 SSW 0 0 3 5 18 8 3 1 6 0 0 44 SW 0 0 5 i1 11 5 3 1 1 0 0 37 WSW 10 0 0 51 W 0 13 13 16 14 15 11 2 0 91 WNW 19 23 31 14 17 9 5 136 NW 11 15 17 9 25 10 2 107 NNW 3 10 2 15 12 13 14 16 7 5 97 Tot 23 78 79 170 149 131 76 92 30 12 840 Hours of Calm ... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . ... 840 Hours of Missing Data . . . 43 Hours in Period ... ...... 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class E Slightly Stable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wi nd Speed Range (m/s) Direction 0.5- 1.1 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Totas N 0 2 4 1 25 8 3 2 0 0 0 45 NNE 0 2 1 4 9 5 1 1 0 0 0 23 NE 0 3 3 6 3 0 0 0 0 0 0 15 ENE 0 1 1 1 5 2 0 0 0 0 0 10 0 3 4 6 13 10 7 4 2 0 50 ESE 0 4 5 7 6 3 4 2 2 0 0 33 SE 0 4 1 8 4 0 0 0 0 0 0 17 SSE 0 4 5 3 2 0 0 0 0 0 0 14 S 0 2 3 5 9 2 1 0 0 0 0 22 SSW 0 1 5 10 8 7 4 4 0 0 0 39 SW 10 40 WSW 31 W 11 12 50 WNW 6 51 NW 44 NNW 6 4 3 15 43 Tot 56 73 89 145 73 42 25 12 527 Hours of Calm ... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . ... 527 Hours of Missing Data . . . 43 Hours in Period ... ...... 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class F Moderately Stable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 3 2 15 NNE 1 0 0 0 4 NE 2 9 ENE 0 1 3 2 0 0 0 0 0 0 6 E 0 8 6 0 0 1 0 0 0 0 19 ESE 0 5 3 0 0 0 0 0 0 0 9 SE 0 1 8 2 0 0 0 0 0 0 0 11 SSE 0 2 2 2 1 0 0 0 0 0 0 7 S 0 4 2 1 2 0 0 0 0 0 0 9 SSW Sw 3 0 1 0 0 0 0 0 10 WSW 0 5 3 2 3 1 0 0 0 0 0 14 w 0 11 6 1 4 2 0 0 0 0 0 24 WNW 0 11 4 0 1 2 0 0 0 0 1 19 NW 0 4 6 1 1 0 0 0 0 0 0 12 NNW 0 2 3 5 8 2 1 0 0 0 0 21 Tot 0 69 60 25 31 10 2 0 0 0 1 198 Hours of Calm ... ....... 2 Hours of Variable Direction 0 Hours of Valid Data . ... 200 Hours of Missing Data . . . 43 Hours in Period ... ...... 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class G Extremely Stable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Tota-N 0 3 2 0 0 0 0 0 0 0 NNE 0 1 3 0 1 0 0 0 0 0 0 5 NE 0 0 0 0 0 0 0 0 0 0 0 0 ENE 0 0 0 0 0 0 0 2 E 0 2 1 1 0 0 4 ESE 0 0 0 5 SE 0 0 0 0 0 0 0 0 0 SSE 0 0 0 2 S 2 0 1 0 5 SSW 7 SW 0 0 0 0 0 0 0 7 WSW 0 0 0 0 0 0 0 0 7 W 0 3 1 0 0 0 0 0 6 WNW 0 7 NW 0 5 5 2 0 0 0 0 0 0 12 NNW 0 2 5 4 5 0 0 0 0 0 16 Tot 0 29 29 17 14 2 0 0 0 0 91 Hours of Calm ... ........ 1 Hours of Variable Direction 0 Hours of Valid Data . . .. 92 Hours of Missing Data . . . 43 Hours in Period ......... 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 All Stabilities Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 11 II 12 27 18 10 13 12 1 0 115 NNE 0 3 9 3 16 14 8 0 2 0 0 55 NE 10 21 7 3 2 3 0 0 53 ENE 0 16 12 8 3 0 0 0 51 E 0 7 10 18 32 11 3 0 0 96 ESE 0 14 12 20 25 22 12 10 3 0 126 SE 10 15 12 9 10 79 SSE 13 53 S 9 11 24 23 14 86 SSW 21 25 47 26 19 163 SW 0 12 24 26 46 21 152 WSW 0 26 33 23 18 16 i2 W 0 22 35 25 37 41 26 25 16 0 0 227 WNW 0 25 21 18 27 45 40 23 31 12 14 256 NW 0 17 34 18 37 22 40 25 59 10 13 275 NNW 0 7 25 16 51 30 21 25 34 9 10 228 Tot 0 166 274 234 427 346 248 171 193 40 37 2136 Hours of Calm ... ....... 5 Hours of Variable Direction 0 Hours of Valid Data . ... 2141 Hours of Missing Data . . . 43 Hours in Period ... ...... 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class A Extremely Unstable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) 0Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N NNE 0 0 0 0 0 0 0 1 NE 0 0 1 0 0 0 1 1 2 0 0 ENE 0 0 0 0 1 1 0 2 0 0 0 E 0 10 ESE 0 2 0 0 6 2 0 0 19 SE 0 0 2 1 1 0 0 2 0 0 SSE 0 0 0 0 0 2 1 0 0 0 0 3 S 0 0 0 1 0 4 0 0 0 0 6 SSW 0 0 2 0 6 1 0 0 0 23 SW 0 0 3 10 2 2 0 1 0 0 20 WSW 0 0 5 3 2 0 0 0 0 0 12 W 0 3 0 0 0 0 0 9 WNW 1 0 0 0 0 0 6 NW 0 0 3 3 0 2 6 2 0 0 1 17 NNW 0 0 0 1 2 0 0 0 1 0 1 5 Tot 0 3 24 14 35 35 22 9 8 0 2 152 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of Valid Data . ... 152 Hours of Missing Data . . . 43 Hours in Period ......... 2184

Joint Frequency Distribution Site:: Three Mile'Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class B Moderately Unstable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 0 5 NNE 0 0 0 NE 0 1 1 ENE 0 0 0 0 E 1 2 0 0 1 0 0 ESE 0 2 0 2 1 0 0 SE 1 0 0 3 1 0 0 5 SSE 0 0 0 0 0 2 0 0 3 S 2 1 2 3 0 0 0 8 SSW 3 6 6 0 0 2 1 20 SW 5 6 1 2 0 2 0 18 WSW 0 0 0 0 0 0 12 1 2 9 5 0 0 25 WNW 0 0 21 NW 16 38 NNW 0 0 3 1 1 2 2 6 6 21 Tot 0 7 28 22 30 22 23 25 38 199 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of valid Data . ... 199 Hours of Missing Data . . . 43 Hours in Period ......... 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class C Slightly Unstable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 .6.0 8.0 10.0 Total N 0 0 0 0 0 0 1 1 0 0 0 2 NNE 0 0 0 0 0 0 0 0 0 0 0 0 NE 0 0 0 1 3 0 0 0 0 0 0 4 ENE 3 E 0 0 0 0 0 3 ESE 0 0 2 0 1 0 0 7 SE 0 0 0 0 0 1 SSr, 0 0 0 0 0 3 S 0 0 0 0 4 0 1 0 0 6 SW 1 0 0 0 7 WSW 0 0 0 0 3 W 20 WNW 0 0 4 0 2 3 21 NW 10 1 0 32 NNW 2 1 0 2 8 1 0 15 Tot 15 19 19 19 24 26 3 0 131 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of Valid Data . ... 131 Hours of Missing Data . . . 43 Hours in Period ......... 2184

Joint Frequency Distribution Site:: Three Mile Island Period:.: Months Apr - Jun for years 2007 - 2007 Stability Class D Neutral based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 2 3 2 14 3 4 8 8 1 0 45 NNE 0 1 3 0 7 4 5 0 0 0 21 NE 0 0 3 3 6 6 1 1 0 0 0 20 ENE 0 1 3 2 5 7 5 1 0 0 0 24 E 0 1 2 5 6 13 4 4 1 0 0 36 ESE 0 0 4 2 2 13 12 5 7 1 0 46 SE 0 0 3 5 3 3 4 7 7 0 0 32 SSE 0 1 0 4 5 4 2 4 0 0 0 20 S 0 0 4 2 12 11 5 0 0 0 0 34 SSW 0 0 3 6 16 5 6 2 2 3 0 43 SW 0 2 5 9 11 10 4 1 1 1 0 44 WSW 0 6 8 6 8 Ii 2 0 0 0 0 41 W 0 4 11 8 15 22 18 7 8 0 0 93 WNW 0 8 3 6 11 25 25 16 21 9 9 133 NW 0 6 2 4 17 8 22 10 27 6 7 109 NNW 0 2 11 2 13 9 14 16 15 8 9 99 Tot 0 34 68 66 151 154 133 82 98 29 25 840 Hours of Calm. ...... ...... 0 Hours of Variable Direction 0 Hours of Valid Data . . .. 840 Hours of Missing Data . . , 43 Hours in Period ........ .. 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class E Slightly Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 4 3 10 11 5 39 NNE 0 0 4 0 5 9 3 0 22 NE 0 0 1 3 8 1 0 0 13 ENE 0 1 0 2 4 1 1 0 9 E 0 1 2 2 5 10 6 35 ESE 0 1 2 6 6 5 31 SE 0 6 6 4 2 1 0 0 0 0 23 SSE 2 0 0 0 0 0 16 S 18 SSW 43 SW 4 5 6 15 5 0 43 WSW 7 8 9 4 2 2 0 0 0 0 32 W 8 9 8 12 11 0 2 0 0 0 50 WNW 8 5 5 7 11 6 2 3 1 5 53 NW 2 8 3 6 6 45 NNW 2 6 4 17 16 4 0 4 0 0 53 Tot 49 67 70 128 100 46 29 23 4 9 525 Hours of Calm ... ....... 2 Hours of Variable Direction 0 Hours of Valid Data . ... 527 Hours of Missing Data . . . 43 Hours in Period ... ...... 218.4

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class F Moderately Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 44.1- 5.1- 6.1- 8.1- >D0.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 .0 6.0 8.0 10.0 Total N 0 3 2 5 2 3 0 15 NNE 6 NE 0 0 0 1 2 0 0 0 0 0 4 ENE 0 1 0 0 2 0 0 0 0 0 3 E 0 2 1 1 2 0 ESE 0 0 12 SE 0 2 3 0 SSE 0 1 5 2 S 3 3 2 0 0 0 0 0 11 3 2 2 0 0 0 0 0 18 Sw 2 1 1 0 0 0 0 0 14 WSW 0 5 0 0 0 14 W 0 0 0 22 WNW 0 1 1 0 0 0 0 15 NW 0 0 1 0 0 0 1 19 NNW 0 3 3 4 11 2 1 1 0 0 0 25 Tot 57 50 34 36 14 4 2 0 0 1 198 Hours of Calm .......... 2 Hours of Variable Direction 0 Hours of Valid Data . ... 200 Hours of Missing Data .... 43 Hours in Period ......... 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Apr - Jun for years 2007 - 2007 Stability Class G Extremely Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 2 2 1 0 0 0 0 0 0 0 NNE 0 0 1 2 2 0 0 0 0 0 0 5 NE 0 0 0 1 0 0 0 0 0 0 0 ENE 0 1 0 0 0 0 0 0 0 1 E 0 0 0 0 0 0 ESE 3 0 0 0 5 SE 0 2 1 0 0 0 4 SSE 0 0 0 0 S 2 0 0 3 0 0 SSW 10 SW 1 2 0 0 0 0 WSW 0 3 W 0 0 0 0 0 8 WNW 0 NW 2 4 2 7 0 0 0 0 0 0 15 NNW 0 1 4 5 0 .0 0 0 0 0 10 Tot 15 22 23 28 2 1 0 0 0 0 91 Hours of Calm ... ........ 1 Hours of Variable Direction 0 Hours of Valid Data . ... 92 Hours of Missing Data . . . 43 Hours in Period ......... 2184

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 All Stabilities Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Totai N 0 15 14 21 52 30 14 4 1 151 NNE 0 12 10 11 27 12 1 0 0 73 NC 0 10 14 11 5 4 2 0 0 46 ENE 0 18 11 14 28 3 1 0 0 75 E 1 20 36 16 29 20 4 1 0 127 ESE 0 23 36 18 36 19 7 0 0 139 SE 0 13 24 17 25 12 8 1 0 100 SSr 0 20 15 28 36 12 1 0 0 112 S 0 13 13 18 41 17 9 6 0 117 SSW 2 15 16 25 50 39 8 2 0 157 Sw 1 17 30 30 69 15 4 2 1 169 WSW 0 30 32 31 21 14 10 3 1 142 W 0 41 29 19 29 17 6 3 0 144 WNW 0 34 28 17 26 31 19 8 6 169 NW 0 22 32 22 22 31 25 11 24 190 NNW 0 13 36 38 34 32 28 23 13 217 Tot 4 316 376 336 530 308 147 64 46 2128 Hours of Calm ......... .. 15 Hours of Variable Direction 0 Hours of Valid Data . . .. 2143 Hours of Missing Data . . . 65 Hours in Period ........ .. 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class A Extremely Unstable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 15 NNE 0 0 0 0 0 13 NE 0 ENE 0 0 E 0 0 0 0 5 4 0 0 0 0 9 ESE 0 0 0 1 11 8 5 0 0 0 25 SE 0 0 0 0 4 5 7 1 0 0 17 SSE 0 0 0 1 5 5 0 0 0 0 11 S 0 0 1 0 3 4 0 1 0 0 9 SSW 0 0 0 1 15 20 4 2 0 0 42 SW 0 0 3 7 21 5 2 0 0 0 38 WSW 0 0 4 4 1 3 1 0 0 14 W 0 0 2 3 0 3 1 0 0 0 9 WNW 0 2 3 1 5 6 1 1 0 0 19 NW 7 7 8 5 1 1 1 0 30 NNW 3 3 4 6 13 7 3 0 39 Tot 24 31 94 82 41 16 4 0 294 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of Valid Data . ... 294 Hours of Missing Data . . . 65 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class B Moderately Unstable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 2 NNE 0 0 0 0 1 NE 2 ENE 0 0 0 1 1 0 0 0 0 0 2 5 ESE 0 0 0 1 0 0 0 0 4 SE 8 SSE 0 0 0 0 10 S 0 0 0 0 10 SSW 10 0 0 24 Sw 15 1 0 25 WSW 0 0 17 W 0 1 0 0 5 7 2 1 0 0 0 16 VWNW 0 1 3 2 3 10 4 1 0 0 0 24 NW 0 2 3 5 5 10 8 3 2 0 0 38 NNNW 0 0 1 5 2 3 7 9 5 0 0 32 T ot 0 4 18 29 61 61 30 19 8 0 0 230 Hours of Calm ... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . ... 230 Hours of Missing Data . . . 65 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class C Slightly Unstable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total 0 1 1 0 3 3 0 0 0 0 -4 NNE 0 0 0 0 0 0 0 0 0 0 1 NE 0 0 0 0 0 0 0 0 0 0 0 0 ENE 0 0 1 0 1 0 0 0 0 0 0 2 E 0 1 0 0 2 0 0 0 0 0 0 3 ESE 0 1 0 3 1 1 0 0 0 0 6 SE 0 0 2 0 0 0 0 0 0 0 2 SSE 0 0 0 0 0 0 0 2 S 0 0 0 1 2 0 0 0 6 SSW 0 0 0 0 0 SW 0 2 0 0 0 0 0 WSW 0 1 0 0 W 0 1 2 WNW 2 0 3 0 12 NW 0 0 0 26 NNW 1 3 3 2 5 3 0 0 20 Tot 0 10 10 25 18 16 12 13 0 0 121 Hours of Calm ... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . ... 121 Hours of Missing Data . . . 65 Hours in Period ... ...... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class D Neutral based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.:I- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.c0 4.0 5.0 6.0 8.0 10.0 Total N 0 6 3 4 5 10 4 1 0 33 NNE 0 1 4 3 6 3 0 0 0 17 NE 0 4 4 3 1 0 0 0 13 ENE 0 5 2 5 5 1 1 0 0 19 E 0 3 10 6 9 4 0 0 33 ESE 0 1 15 6 9 5 0 0 0 36 SE 0 2 5 9 4 0 0 0 25 SSE 0 1 14 22 i 1 0 0 39 0 S 0 0 5 30 6 0 45 SSW 0 2 12 17 8 0 41 SW 2 7 8 21 2 0 2 0 42 WSW 3 5 9 11 4 6 0 0 38 W 9 15 6 1 1 0 39 WNW 0 6 6 5 8 7 11 5 3 0 0 51 NW 0 2 6 6 1 10 9 4 14 1 0 53 NNW 0 2 10 8 8 12 4 2 2 0 0 48 Tot 0 36 89 105 179 84 43 16 19 1 0 572 Hours of Calm ...... ....... 3 Hours of Variable Direction 0 Hours of Valid Data . . .. 575 Hours of Missing Data . . . 65 Hours in Period ........ 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class E Slightly Stable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wi nd Speed Range (m/s) Direction 0.5- 1.1 - 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total 0 6 5 14 30 6 3 65 NNE 0 6 4 7 21 4 0 32 ME 0 6 7 5 2 22 ENE 0 6 6 3 1 2 0 38 210 E 0 9 11 7 11 4 52 ESE 0 12 4 6 4 0 37 SE 5 0 3 12 8 3 0 SSE 0 9 7 7 4 0 0 0 27 S 3 13 6 2 2 0 30 SSW 6 6 7 4 1 0 27 SW 9 9 6 5 1 0 34 WSW 5 12 9 1 0 0 35 W 0 15 7 0 2 0 35 WNW 0 5 10 7 7 5 0 0 35 NW 0 5 7 3 6 2 0 0 0 23 NNW 0 7 15 12 13 8 1 0 0 56 Tot 1 105 126 121 149 59 15 1 0 579 Hours of Calm ... ........ 3 Hours of Variable Direction 0 Hours of Valid Data . ... 582 Hours of Missing Data . . . 65 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class F Moderately Stable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total 0 2 10 NNE 0 4 2 0 0 0 0 0 0 7 NE 0 3 0 0 0 0 0 0 6 ENE 0 6 0 0 0 0 0 0 11 E 1 7 12 2 23 ESE 0 10 7 0 0 0 0 0 0 27 SE 0 8 4 2 14 SSE 0 9 4 5 2 0 0 0 0 0 0 20 S 0 9 6 0 0 0 0 0 0 0 0 15 SSW 1 11 6 0 0 0 0 0 0 0 0 18 SW 1 9 8 1 2 0 0 0 0 0 0 21 WSW 0 19 2 0 0 0 0 0 30 W 0 21 7 0 0 0 0 0 0 32 WNW 0 17 5 2 1 0 0 0 0 27 NW 0 11 5 0 0 1 0 0 0 0 17 NNW 0 3 4 7 4 0 1 0 0 0 0 19 Tot 3 149 84 35 20 4 2 0 0 0 0 297 Hours of Calm ... ........ 9 Hours of Variable Direction 0 Hours of Valid Data . ... 306 Hours of Missing Data . . . 65 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class G Extremely Stable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 NNE NE 0 0 0 0 0 0 ENE E 0 0 2 0 0 0 0 0 0 0 0 ESE 0 0 2 1 1 0 0 0 0 0 0 SE 0 0 3 0 0 0 0 0 0 0 0 3 SSE 0 2 1 0 0 0 0 S 0 1 1 0 0 0 0 0 0 0 0 2 SSW 0 1 1 0 0 0 0 SW 0 1 0 0 0 0 0 0 0 0 0 1 WSW 0 0 1 0 0 0 0 0 0 0 0 W 0 1 2 1 0 0 0 0 0 0 WNW 0 1 0 0 0 0 0 0 0 NW 0 NNW 0 0 1 2 0 0 0 0 0 3 Tot 0 10 18 5 2 0 0 0 0 0 35 Hours of Calm ...... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . . .. 35 Hours of Missing Data . . . 65 Hours in Period .......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 All Stabilities Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 10 10 8 27 28 19 7 2 1 112 NNE 0 10 6 10 17 6 4 2 0 0 55 NE 0 8 10 7 17 5 1 0 0 0 48 ENE 0 7 8 8 23 14 1 0 0 0 61 E 1 16 15 13 28 27 6 3 0 0 109 ESE 0 22 19 17 28 21 6 0 0 0 113 SE 0 9 22 15 24 14 13 5 0 0 102 SSE 0 7 12 16 34 22 10 0 0 0 101 S 0 20 18 9 56 25 15 7 5 0 155 SSW 1 11 25 27 64 39 20 8 0 0 195 Sw 0 33 45 28 45 23 4 1 2 0 181 WSW 1 40 34 24 23 12 6 0 1 0 141 W 2 33 32 18 38 13 5 2 0 0 143 WNW 0 38 23 15 25 32 23 11 9 1 177 NW 0 23 35 30 30 19 29 17 28 4 215 NNW 0 14 30 41 48 44 29 30 15 1 252 Tot 5 301 344 286 527 344 191 93 62 7 0 2160 Hours of Calm ... ....... i0 Hours of Variable Direction 0 Hours of Valid Data . . .. 2170 Hours of Missing Data . . . 38 Hours in Period ........ 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class A Extremely Unstable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 18 NNE 0 0 0 4 0 0 1 0 0 5 NE 0 0 1 2 2 0 0 0 0 5 ENE 0 0 0 1 3 0 0 0 0 E 0 0 10 ESE 0 0 0 8 0 0 21 SE 0 0 23. SSE 0 0 0 0 0 12 S 0 0 0 0 0 8 SSW 0 0 17 15 11 0 0 0 51 SW 19 0 0 0 31 WSW 0 1 3 3 0 0 0 0 16 W 4 0 0 0 0 0 9 WNW 6 0 0 0 16 NW 0 3 3 7 7 3 4 1 2 0 0 30 NNW 0 0 4 4 3 3 9 10 5 0 0 38 Tot 0 5 22 27 86 71 55 21 8 0 0 295 Hours of Calm ... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . ... 295 Hours of Missing Data . . . 38 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class B Moderately Unstable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 0 0 3 12 NNE 0 1 0 0 0 2 NE 0 0 2 ENE 0 0 0 0 0 2 E 0 0 1 2 5 ESE 0 " 0 0 2 SE 0 1 0 0 0 11 SSE 0 0 8 S 4 1 4 3 0 0 14 SSW 15 0 0 31 SW 3 2 0 0 0 18 WSW 0 0 0 13 W 0 0 0 10 1 3 0 0 15 WNW 0 3 2 2 0 0 0 29 NW 0 0 8 8 5 4 1 0 39 NNW 0 0 1 3 2 4 5 10 5 1 0 31 Tot 0 4 22 19 65 49 35 24 14 2 0 234 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of Valid Data . ... 234 Hours of Missing Data . . 38 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class C Slightly Unstable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wi nd Speed Range (m/s) Direction 0.5- 1.1 - 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 1 1 0 1 4 0 0 0 12 NNE 0 0 0 1 NE 0 0 0 0 0 0 ENE 0 0 1 0 0 0 0 0 0 2 1 E 0 0 3 0 0 0 0 0 0 ESE 0 1 0 3 1 0 0 0 0 0 5 SE 0 0 2 SSE 0 0 1 0 0 0 0 0 S I 1 0 1 0 1 1 2 0 0 SSW 0 0 0 1 2 0 0 0 0 0 SW 1 1 2 1 0 0 0 0 0 9 WSW 1 3 2 0 0 1 0 0 0 0 W 3 2 1 1 1 0 0 0 0 9 WNW 1 0 1 1 2 5 0 3 0 0 13 NW 1 1 3 2 5 6 6 2 0 27 NNW 1 2 1 5 2 5 4 0 0 21 Tot 12 16 10 19 18 21 12 15 2 0 125 Hours of Calm ... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . ... 125 Hours of Missing Data . . . 38 Hours in Period ... ...... 2208

                                          ,Joint        Frequency Distribution Site::       Three Mile    Island Period::       Months  Jul       -   Sep  for years         2007 -   2007 Stability       Class    D    Neutral                         based    on Lapse Rate Elevations::        Winds 150ft               Stability       150ft Wind                                     Wind Speed          Range (m/s)

Direction 0.5- 1.1- 1.6- 2. I- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.( 0 4.0 5.0 6.0 8.0 10.0 Total N 0 3 3 3 2 4 4 0 22 NNE 0 4 4 3 4 2 0 18 NE 0 2 5 2 5 1 1 0 16 ENE 0 4 4 0 13 E 0 3 7 6 8 9 0 0 34 ESE 0 5 7 10 9 13 5 2 0 38 SE 0 0 6 6 5 1 3 0 22 SSE 0 4 3 18 13 0 0 39 S 0 3 28 17 7 0 59 SSW 0 0 2 6 19 10 5 0 45 SW 0 4 14 11 11 S 0 1 47 WSW 0 4 5 8 8 7 2 0 34 W 0 2 9 7 16 4 0 0 39 WNW 0 7 4 5 7 9 10 6 56 NW 0 1 6 5 4 5 9 16 52 NNW 0 4 11 7 17 9 60 Tot 0 43 88 89 155 109 55 29 24 2 0 594 Hours of Calm 0 Hours of Variable Direction 0 Hours of Valid Data .... 594 Hours of Missing Data . . . 38 Hours in Period ... ...... 2208

Joint Frequency Distribution Site:: Three Mile Is land Period:: Months Jul - Sep for years 2007 - 2007 Stability Class E Slightly Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0 .5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1 .0 1.5' 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N II 40 NNE 23 NE 3 3 8 19 ENE 13 0 0 34 E 5 0 41 ESE 0 0 27 SE 33 SSE 10 29 S 0 7 10 3 18 3 0 44 SSW 1 4 5 6 11 4 SW 0 11 7 7 5 9 0 0 0 40 WSW 0 9 7 8 8 0 0 0 1 0 0 33 W 1 10 11 6 7 3 1 0 0 0 0 39 WNW 11 1 1 0 0 0 36 NW 2 0 0 0 0 36 NNW 0 6 7 15 25 15 4 1 0 0 0 73 Tot 3 96 102 96 160 92 23 7 1 1 0 581 Hours of Calm ... ....... 2 Hours of Variable Direction 0 Hours of Valid Data .... 583 Hours of Missing Data . . . 38 Hours in Period ... ...... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class F Moder*ately Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 2 3 0 1 0 0 0 6 NNE 0 -3 0 1 1 0 0 0 5 NE 0 3 0 1 1 0 0 0 5 ENE 0 1 1 , 0 3 0 0 0 5 E 0 6 2 2 2 0 0 0 12 ESE 0 8 3 2 2 0 0 0 16 SE 0 3 4 1 3 0 0 0 11 SSE 0 4 1 2 3 0 0 0 10 S 0 10 5 0 0 0 21 SSW 7 13 1 0 0 0 26 SW 0 16 12 0 0 0 33 WSW 1 24 8 2 0 0 0 36 W 16 7 2 0 0 0 29 WNW 0 16 5 2 0 0 0 26 NW 0 11 10 0 0 0 0 29 NNW 3 5 9 0 0 0 26 Tot 133 79 38 37 5 2 0 0 0 0 296 Hours of Calm 8 Hours of Variable Direction 0 Hours of Valid Data . ... 304 Hours of Missing Data . . . 38 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Jul - Sep for years 2007 - 2007 Stability Class G Extremely Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 2 NNE 1 NE 0 0 0 0 0 0 ENE 0 0 0 0 0 0 E 0 0 0 0 0 0 0 3 ESE 0 0 0 0 0 0 4 SE 0 0 0 0 0 0 0 0 0 1 SSE 0 0 1 S 2 SSW 0 0 2 3 0 0 0 0 0 0 0 5 SW WSW 0 0 2 0 0 0 0 0 0 0 0 2 W 0 1 0 1 1 0 0 0 0 0 0 WNW 0 0 1 0 0 0 0 0 0 0 0 1 NW 0 0 1 0 1 0 0 0 0 0 0 2 NNW 0 0 0 2 1 0 0 0 0 0 0 3 Tot 0 8 15 7 5 0 0 0 0 0 0 35 Hours of Calm ...... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . . .. 35 Hours of Missing Data . . . 38 Hours in Period ........ .. 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 All Stabilities Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total 0 14 15 22 30 13 95 NNE 0 10 14 15 0 58 NE 0 7 21 28 13 3 0 0 72 ENF 0 16 20 22 36 11 0 105 E 0 20 27 20 46 44 8 2 0 167 ESE 0 15 30 20 18 19 23 3 0 128 Sir 0 16 32 11 13 15 9 0 0 0 96 Ssl 0 16 26 14 27 8 0 0 93 S 0 14 20 9 24 23 9 4 7 0 0 110 SSW 0 20 30 19 26 17 8 6 9 0 0 135 SW 0 20 25 18 37 10 7 1 2 2 0 122 WSW 1 30 21 31 29 20 13 6 2 0 0 153 W 0 21 20 14 47 21 27 20 22 12 1 205 WNW 0 19 15 16 22 30 25 40 51 17 7 242 NW 0 15 21 21 16 33 33 25 57 8 0 229 NNW 0 21 34 31 23 18 16 5 12 0 0 160 Tot 1 274 371 309 422 291 179 113 163 39 8 2170 Hnnrs of Calm I3 Hours of Variable Direction 0 Hours of Valid Data . . .. 2183 Hours of Missing Data . . . 25 Hours in Period ........ 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class A Extremely Unstable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 0 0 NNE 0 0 0 0 NE 0 0 0 0 0 0 0 0 ENE 0 E 0 0 0 0 4 2 0 0 0 0 0 ESE 0 0 0 0 0 1 0 0 0 0 0 SE 0 0 0 0 0 1 1 0 0 0 0 SSE 0 0 0 1 4 1 0 0 0 0 S 0 0 0 0 0 I 0 0 0 SSW 0 17 Sw 0 0 0 6 6 1 0 0 0 0 WSW 0 0 0 2 2 0 0 0 0 0 2 1 2 0 1 0 0 WNW 0 0 0 0 NW 3 0 3 0 13 NNW 0 8 Tot 30 24 13 3 0 90 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of Valid Data . . . . 90 Hours of Missing Data . . . 25 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - De c for years 2007 - 2007 Stability Class B Moder ately Unstable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wi nd Speed Range (m/s) Direction 0.5- 1.1 - 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5. 0 6.0 8.0 10.0 Total 0 0 0 0 0 0 0 0 0 2 NNE 0 *0 0 0 0 0 0 0 0 0 0 0 NE 0 0 0 0 0 2 0 0 0 0 0 2 ENE 0 0 0 0 0 0 0 0 0 0 0 0 E 0 0 0 0 1 2 0 0 0 0 0 3 ESE 0 0 2 0 0 1 1 1 0 0 0 5 SE 0 0 0 1 1 1 1 0 0 0 0 4 SSE 0 0 0 0 0 0 0 0 0 0 0 0 S 0 0 0 2 1 5 1 0 0 0 0 9 SSW 0 0 0 3 2 0 2 4 0 0 12 SW 0 0 0 4 0 0 0 1 0 0 7 WSW 3 0 0 0 9 W 0 0 0 2 0 0 1 0 8 WNW 2 0 0 7 NW 0 3 4 13 0 32 NNW 0 0 15 Tot 16 24 11 13 28 115 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of Valid Data . ... 115 Hours of Missing Data . . . 25 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class C Slightly Unstable based on Lapse Rate Elevations:: Winds 100ft Stabili: ty 150ift Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1I- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3. 0 4.0 5.0 6.0 8.0 10.0 Totae N 0 0 0 0 0 NNE 0 0 0 0 0 0 NE 0 0 0 0 0 0 ENE 0 2 0 0 0 0 3 E 0 2 1 0 0 0 5 ESE 3 0 4 1 0 0 8 SE 1 0 0 0 0 0 SSE 0 3 0 0 0 0 5 S 1 2 1 1 0 7 SSW 2 0 0 2 0 7 SW 0 0 a 0 3 WSW 2 0 3 0 0 0 7 W 0 1 1 0 3 0 7 WNW 3 2 1 4 3 0 16 NW 0 3 2 1 12 0 23 NNW 0 0 2 0 2 0 Tot 8 13 15 16 8 24 7 0 99 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of Valid Data . ... 99 Hours of Missing Data . . 25 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class D Neutral based on Lapse Rate Elevations:: winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 8 8 0 0 0 0 29 NNE 0 0 0 0 25 NE 9 18 1 0 0 0 0 0 39 ENE ii 25 0 0 0 0 55 10 10 E 25 36 2 0 0 0 92 ESE 0 2 5 12 10 13 14 1 0 0 0 57 SE 0 6 6 5 7 12 6 0 0 0 0 42 SSE 0 2 12 8 17 43 S 16 12 5 2 3 0 50 SSW 44 SW 13 1 0 0 38 WSW 0 3 11 10 12 54 0 3 22 12 16 16 17 8 103 WNW 0 6 2 20 21 28 40 14 148 NW 0 5 18 26 13 23 2 110 NNW 0 8 12 7 12 2 53 Tot 0 63 124 126 195 167 18 70 88 24 982 Hours of Calm ... ........ 2 Hours of Variable Direction 0 Hours of Valid Data .... 984 Hours of Missing Data . . 25 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class E Slightly Stable based on Lapse Rate Elevations:: Winds looft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 6 8 10 18 8 0 0 0 NNE 0 6 7 6 8 1 0 0 0 0 NE 0 1 6 7 5 0 0 0 0 0 ENE 0 5 6 6 9 3 0 0 0 0 E 0 9 12 8 15 2 2 0 0 0 ESE 11 6 0 0 0 SE 0 14 4 4 1 1 0 0 0 SSE 7 2 5 0 0 1 0 0 S 0 4 8 4 2 1 3 0 0 SSW 0 5 8 5 7 4 0 1 0 0 SW 0 8 7 5 8 3 1 0 2 0 WSW 0 8 7 9 7 4 1 0 0 0 W 0 10 8 8 19 2 1 2 1 WNW 0 7 6 11 5 4 2 6 0 0 NW 0 6 5 7 7 4 5 0 0 1 NNW 0 7 14 15 15 9 0 0 0 Tot 93 134 140 20 17 17 4 587 Hours of Calm ... ....... 9 Hours of Variable Direction 0 Hours of Valid Data . . . . 596 Hours of Missing Data . . . 25 Hours in Period ... ...... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class F Moderately Stable based on Lapse Rate Elevations:: Winds lOOft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total 0 6 NNE 0 1 0 0 0 0 0 RE 0 1 4 2 0 ENE 0 6 3 2 0 0 0 0 0 0 12 E 0 5 3 2 0 0 0 0 0 ESE 0 7 LO 2 0 0 0 0 0 19 0 0 SE 0 4 9 1 0 0 0 0 0 0 14 0 SSE 9 0 0 0 6 0 0 0 0 16 S 5 1 0 0 4 0 0 0 0 SSW 0 1 0 0 0 0 0 18 SW 0 1 0 0 0 0 21 WSW 12 6 0 0 0 0 31 0 W 0 1 0 0 16 0 WNW 0 5 0 0 0 0 17 NW 0 3 0 0 1 0 0 6 NNW 0 3 0 0 10 Tot 1 87 67 35 17 8 1 2 0 219 Hours of Calm ... ....... Hours of Variable Direction 0 Hours of Valid Data . . . . 221 Hours of Missing Data . . . 25 Hours in Period ... ...... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class G Extremely Stable based on Lapse Rate Elevations:: Winds 100ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total 0 1 1 2 2 6 NNE 0 0 NE 0 1 2 1 0 0 0 0 0 ENE 2 0 2 0 0 0 0 0 4 E 2 0 0 1 0 0 0 0 3 ESE 1 2 0 1 0 0 0 0 SE 2 3 0 0 0 0 0 0 0 5 SSE 3 1 0 1 0 0 0 0 0 5 S 2 3 0 2 0 0 0 0 0 SSW 1 4 1 1 0 0 0 0 0 SW 1 3 1 0 0 0 0 0 0 WSW 6 0 0 2 1 0 0 0 0 0 W 3 0 0 0 0 0 0 WNW 2 0 0 0 0 0 NW 1 1 0 0 0 0 0 0 1 NNW 2 3 0 0 0 0 0 0 0 Tot 28 12 i] 2 0 0 0 0 0 78 Hours of Calm ... ........ 0 Hours of Variable Direction 0 Hours of Valid Data . ... 78 Hours of Missing Data . . 25 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 All Stabilities Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total 0 18 14 14 24 13 2 0 0 0 0 85 NNE 0 13 12 11 19 8 1 0 0 0 0 64 NE 0 8 14 14 29 7 0 0 0 0 0 72 ENE 0 11 17 12 40 19 1 0 0 0 0 100 0 11 33 16 39 44 12 2 0 0 0 157 ESE 0 19 19 18 21 16 20 8 0 0 0 121 SE 0 16 15 10 14 13 13 2 0 0 0 83 SSE 0 19 21 16 24 15 9 1 1 0 107 S 0 16 8 15 19 24 18 9 8 1 0 118 SSW 0 21 33 21 31 21 4 5 0 150 SW 0 27 18 13 42 10 12 3 3 2 0 130 WSW 1 38 21 29 33 23 6 2 0 0 0 153 W 1 27 14 12 39 30 33 20 21 8 0 205 WNW 0 7 13 11 20 33 28 43 58 23 11 247 NW 0 17 21 17 27 25 23 20 62 10 1 223 NNW 0 20 24 25 24 20 14 7 7 0 0 141 Tot 2 288 297 254 445 321 96 23 168 50 12 2156 Hours of Calm .... .. ....... 10 Hours of Variable Direction 0 Hours of Valid Data . . .. 2166 Hours of Missing Data . . . 42 Hours in Period ........ 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class A Extremely Unstable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 0 0 0 1 0 0 NE ENE 0 0 0 0 1 0 0 0 0 E ESE 0 0 0 0 0 0 SE 0 2 SSE 0 0 0 6 S 0 0 0 0 0 2 2 SSW 0 0 2 0 5 2 2 17 SW 0 0 1 0 7 3 3 14 WSW 0 0 0 6 W 0 1 0 1 0 2 6 WNW 0 6 NW 0 0 2 0 3 1 0 3 1 10 NNW 0 0 0 1 4 0 0 1 0 0 6 Tot 0 3 4 7 33 17 12 7 5 2 90 Hours of Calm ... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . . . . 90 Hours of Missing Data . . . 42 Hours in Period ... ...... 2208

Joint Frequency Distributior Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class B Moderately Unstable based on Lapse Rate Elevations:: Windss 150ft Stability 150ft Wind *Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.2- 3.1- 4.1- 5.1- 6.1- 8.1- >I0.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 0 0 0 0 1 0 NNE 0 0 NE 0 0 0 0 0 2 ENS 0 0 0 0 0 0 E 0 0 1 0 ESE 0 0 0 SC 0 0 0 0 2 SSC S 4 1 0 0 0 7 0 1 3 2 0 2 SW 0 0 1 0 0 WSW 0 2 0 0 11 0 0 8 WNW 0 0 3 1 1 1 0 10 NW 0 3 4 17 3 0 33 NNW 0 Tor 19 27 II Hours of Calm ... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . . . . 115 Hours of Missing Data . . . 42 Hours in Period ... ...... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class C Slightly Unstable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Tota. 0 0 0 0 0 0 0 0 NNE 0 NE 0 1 0 0 0 0 0 1 ENE 2 E 2 0 0 0 0 4 ESE 9 SE 0 0 0 0 1 0 0 0 0 0 0 1 SSE 0 0 0 0 2 1 3 0 0 0 0 6 S 0 0 0 0 6 SSW Sw 0 1 0 0 0 1 0 0 3 WSW 0 1 0 3 0 0 0 0 0 5 W 0 0 1 1 1 4 0 0 8 WNW 0 0 2 4 1 2 4 4 1 18 NW 0 0 1 1 1 3 2 13 1 1 23 NNW 0 0 0 0 0 1 0 1 0 0 4 Tot 0 13 14 17 27 98 Hours of Calm ... ....... 0 Hours of Variable Direction 0 Hours of Valid Data . ... 98 Hours of Missing Data . . . 42 Hours in Period ... ...... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class D Neutral based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total 0 0 31 NNE 0 5 0 26 NE 0 4 6 6 19 38 ENE 0 4 10 6 26 11 1 0 0 0 58 E 0 3 12 5 24 36 10 2 0 0 0 92 ESE 0 6 5 11 12 4 0 0 0 56 SE 0 5 5 8 7 10 1 0 0 0 37 SSE 0 6 9 4 10 13 3 1 0 0 0 46 S 0 2 2 4 10 15 8 6 4 0 0 5i SSW 0 6 14 6 10 10 1 1 2 0 0 50 SW 0 3 5 5 12 4 3 3 1 0 0 36 WSW ii 8 9 15 3 2 0 0 0 52 W 2 23 19 23 17 11 7 0 111 WNW 0 3 3 3 5 13 18 34 45 17 10 151 NW 0 3 10 14 14 13 21 5 0 95 NNW 0 9 7 6 5 9 45 Tot 0 79 103 91 189 184 117 88 85 29 10 975 Hours of Calm ... ........ 1 Hours of Variable Direction 0 Hours of Valid Data . . . . 976 Hours of Missing Data . . . 42 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class E Slightly Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 5 8 3 15 9 0 0 0 0 41 NNE 0 3 5 2 10 0 0 0 0 22 ME 0 4 6 8 7 0 0 0 0 26 ENE 0 4 5 2 9 0 0 0 0 0 26 E 0 3 9 9 7 0 0 0 0 32 ESE 0 8 8 9 6 3 1 0 0 0 39 SE 0 6 3 5 4 4 1 0 0 0 23 SSE 0 5 6 5 3 1 0 1 1 0 23 S 0 1 2 1 0 29 Sw 10 5 0 0 2 0 37 WSW 13 10 9 0 0 0 0 0 40 W 14 6 1 4 0 0 49 WNW 8 5 5 8 1 0 45 NW 13 2 1 7 0 0 50 NNW 6 13 14 34 14 4 0 1 0 0 66 Tot 100 105 93 144 73 29 I0 23 6 0 584 Hours of Camisi... ........ 4 Hours of Variable Direction 0 Hours of Valid Data . ... 588 Hours of Missing Data . . . 42 Hours in Period ... ...... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class F Moderately Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 5 7 NNE 0 9 3 0 2 0 0 0 0 0 NE 0 0 0 0 1 0 0 0 0 0 1 ENE 0 2 1 2 3 0 0 0 0 0 8 E 0 5 6 2 2 0 0 0 0 0 15 ESE 0 4 3 0 2 0 0 0 0 0 9 SE 0 SSE 0 7 5 4 2 0 0 0 0 0 18 S 0 6 2 3 1 0 13 SSW 0 6 5 3 1 0 21 SW 0 10 5 1 5 0 0 0 22 WSW 0 12 4 0 35 W 1 6 1 2 1 1 0 14 WNW 0 1 5 2 2 0 14 NW 0 3 0 2 2 0 9 NNW 0 2 0 1 1 0 0 0 4 Tot 83 46 37 38 8 3 0 0 218 Hours of Calm ... ........ 3 Hours of Variable Direction 0 Hours of Valid Data . ... 221 Hours of Missing Data . . 42 Hours in Period ......... 2208

Joint Frequency Distribution Site:: Three Mile Island Period:: Months Oct - Dec for years 2007 - 2007 Stability Class G Extremely Stable based on Lapse Rate Elevations:: Winds 150ft Stability 150ft Wind Wind Speed Range (m/s) Direction 0.5- 1.1- 1.6- 2.1- 3.1- 4.1- 5.1- 6.1- 8.1- >10.00 Sector <0.50 1.0 1.5 2.0 3.0 4.0 5.0 6.0 8.0 10.0 Total N 0 3 NNE 0 0 0 0 NE 0 0 ENE 0 0 0 0 0 E 0 4 0 ESE 0 0 0 0 3 SE 0 0 2 0 2 SSE 0 0 0 6 S 1 1 3 0 0 0 0 SW 2 2 11 WSW 0 W 0 3 5 1 0 0 0 0 0 0 WNW 0 1 0 0 0 1 1 0 0 0 3 NW 0 1 0 0 2 0 0 0 0 0 3 NNW 0 2 1 3 0 0 0 0 0 0 Tot 0 17 26 13 13 6 1 0 0 0 76 Hours of Calm ... ....... 2 Hours of Variable Direction 0 Hours of Valid Data . ... 78 Hours of Missing Data . . . 42 Hours in Period ... ...... 2208

Summary Report of TMI License Renewal Application Review Questions for: Environmental Audit Request No: ENV-71 Topic: Air Quality and Meteorology Source: ENV Requested by: Lopas, Sarah Assigned to: Nancy Ranek Status: Accepted by NRC Information Request: NRC would like a list of all emission sources, emission calculators, and emission inventory reports. Date Received: 3/19/2008 Response Date: Response: The last five years of Air Emission reports have been provided. List Attachments Provided: Annual Air Emission Report - 2007 (5532-2008-006) Data for 2002 to 2006 5/19/2008 7:00:03 PM Page 79 of 119

d2#-'t(00 AmnerGen AmerGen Energy Company, LLC Telephone: 717-948-8000 Three Mile Island Unit i An Exelon Company Route 441 South, PO. Box 480 Middletown, PA 17057 February 26, 2007 5532-2007-012 Mr. Frederick J. Heagy Harrisburg District Supervisor Air Quality Program PA Department of Environmental Protection 909 Elmerton Avenue Harrisburg, PA 17110-8200

SUBJECT:

ANNUAL AIR EMISSION REPORT - 2006 CALENDAR YEAR SYNTHETIC MINOR OPERATING PERMIT NO. 22-05029 THREE MILE ISLAND UNIT I (TMI UNIT 1)

Dear Mr. Heagy:

Please find attached a simplified 2006 annual emission report covering NOx, SOx, CO, PM and VOC air emissions from stationary combustion units located at TMI Unit 1. This simplified report is similar in format and content to the previously submitted annual reports. The enclosed annual report meets the reporting requirements of Permit 22-05029, Section C.IV., Item No. 10; Section C.V., Item No. 13; Section C.VII., Item No. 15; Section E., Group 1, VK, Item No. 007; and Section E., Group 2, IV., Item No. 003. The 2006 annual emission report as summarized in Table 1 demonstrates compliance with the facility air emission limitations listed in Permit Section C.I., Item No. 006. Table 1 TMI Unit 1 2006 Air Emission Summary Air Permit Annual Facility Calculated. Facility Pollutant Emissions Limitations Annual Emissions NOx 100 tons 4.8 tons SOx 100 tons 1.4 tons CO 100 tons 1.1 tons PM 100 tons 0.3 tons VOC 50 tons 0.1 tons

5532-2007-012 Page 2 of 2 The following attachments are submitted for the 2006 annual emission report: 0 2006 Annual Emission Report - Report includes the monthly NOx, SOx, CO, PM and VOC emission summary for the regulated stationary combustion equipment and the monthly run times for the major equipment. 0 Attachment I - Stationary Combustion Unit Description (includes equipment power ratings and source fuel oil characteristics). d Attachment 11 - AP-42 Air Emission Factor Calculations/Derivations. In accordance with Section E., Group 1, III., Item No. 4, of the permit related to the Auxiliary Boilers A and B, the sulfur content of fuel oil is routinely determined by sampling and analysis. The testing results for fuel oil used in the TMI Unit 1 Auxiliary Boilers had'an average sulfur content of 0.08 % sulfur (by weight). Section E., Group 1, I., Item No. 3 restricts the sulfur content of fuel oil combusted in the Auxiliary Boilers to less than 0.5 % sulfur (by weight). Should the Department have questions concerning the attached 2006 Annual Air Emission Report or require additional information, please contact Scott Cogley, Environmental Chemist, at (717) 948-8881 or e-mail at scott.cogley@exeloncorp.com. Sincerely,' T. J. Dougherty Plant Manager TJD/src Attachments

2006 ANNUAL EMISSION REPORT Three Mile Island Unit 1 Synthetic Minor Air Permit No. 22-05029 STATIONARY COMBUSTION UNITS - AIR EMISSION SOURCES x.... ' YIA.I .3 Y". Y. IY2: ., Y3AY3B Fs & .e. Fuel OIl I (gallons) 89 219 327 326 800 20' 30 30 1,841 0.001 0.003 0.073 0.073 0.134 0.006 0.009 0.009 0.309 January a SOx (tons:' NOx (tons) 0.001 0.002 0.002 0.002 0.004 0.000 0.001 0.001 0.013 CO (tons) 0.000 0.001 0.019 0.019 0.036 0.001 0.002 0.002 0.081 PM (tons) 0.000 0.000 0.002 0.002 0.004 0.000 0.001 0.001 0.011 o, t-Ons.) 0.000 0.000 0.002 0.002 0.004 0.001 0.001 0.001 0.010 S Fuel OIl t (gallons)  ! 0 0 317 279 0 10 10 50 666 F NOx ions) 0.000 0.000 0.071 0.062 0.000 0.003 .__ 0.003 0.015 0.155 February ' SOx (tons) V 0.000 0.000 0.002 0.002 0.000 0.000 0.000 0.001 0.006 CO (tons) I 0.000 0.000 0.019 0.017 0.000 0.001 0.001 0.003 0.040 PM Itons) 0.000 0.000 0.002 0.002 0.000 0.000 0.000 0.001 0.006 VOC (Itons) 0.000 0.000 0.002 0.002 0.000 0.000 0.000 0.001 0.006 Fuel Oil (gallons) 172 191 374 373 0 0 10 50 1,170 jNOx (tons) 0.002 0.002 0.084 0.084 0.000 0.000 0.003 0.015 0.190 March SOx (tons) 0.001 0.002 0.003 0.003 0.000 0.000 0.000 0.000 0.001 0.001 0.003 0.009 0.049 CO (tons). 0.000 0.000. 0.022 0.022 0.000 0.000 0.000 0.000 0.001 0.007 PM (tons) 0.000 0.000 00 0,003 0.003 0.000 0.000 0.000 0.001 0.006 VOC (tons) 00.000 .000 0.002 "0.002 Fuel Oil

            .      (gallons)                    56            83      977              325              300          10            10           60             1,821 i       NOx (ons)            _      0.00          0.001   0.219            0.073            0.066        0.003         0.003       0.019             0.384 April            SOx (tons)                  0.000         0.001   0.007             0.002            0.002       0.000         0.000 0.001       0.001             0.014 0.101 0.000         0.000   0.058             0.0-9           0.017        0.001 CO (tons)                                                           0.002            0.002       0.000         0.000       0.001             0.013 1      PM (tons)                   0.000         0.000    0.007                                                                   0 .002                     ,

0 .006 0.002 0.002 0.000 0 .000 .0.012 V -O (Io ) 0.000 0.000 0.0 0 0.013

                           ..OilI ..
                      ! atons)        !           00532801 S Fuel J. NOx (tons)                  0.000         0.000    0.124           0.067             0.000       0.003         0.003        0.015             0.212 (gallons)                    0             0      55               298               010050_                                                 _    _   _

0.004 0.002 0.000 0.000 0.003 0.01 0.007 May . SOx (Ions) 0.000 0.000 CO (tons) 0.000 0.000 0.033 0.018 0.000 0.001 0.001"0 0.003 0.055 PM (tons) 0.000 0.000 0.004 0.002 0.000 0.000.000 0.001 0.007 C (n 0.000 0.000 0.003 0.002 0.000 0.000 0-000 0.001 0.007 Fuel Oil

                              -       !0gallons)0              0      802               293               0           0             10         140              1,245 NOx (Ions)                  0.000         0.000    0.180            0.066            0.000       0.000         0.003        0.043             0.292 June             SOx (tons)                  0.000         0.000    0.006            0.002            0.000       0.000         0.000        0.003             0.011 CO (tons)           0-     0.000         0.000    0.048            0.017            0.000       0.000         0.001        0.009             0.075 S       M (tons)                  0.000                  0.006            0.002            0.000       o0.000        0.000        0.003             0.011
                      ,.                      o0.0.o        0.000    0.005            0.002            0.000       0.000         0.000.       0.004             0.01 1

2006 ANNUAL EMISSION-REPORT Three Mile Island Unit I Synthetic Minor Air Permit No. 22-05029 Month i Aux BIr A ISTATIONARY

'Aux BIr B " EGYIA COMBUSTION UNITS - AIR EMISSION SOURCES
                                                                  . .. . ...*...-:"..... . ... ..EG-YIB
                                                                                                 *. . ...... . . . . . *.. EG-Y-4
                                                                                                                           . ... ......,: .. . EGY2
                                                                                                                                               .        .. EG-Y-3AW3B     FS-P-11P-3
                                                                                                                                                                        * "T                ot a ls '
  • BIA BIB YIA YIB Y4 Y2 Y3A &Y3B FSPI & 3 Fuel Oil j(gatlons) 29 76 0 360 200 10 1o 30 715 NOx (tons) .0.000 0.001 0.000 0.081 0.044 0.003 0.003 0.009 0.141 July SOx B (tons) 0.000 0.001 0.000 0.003 0.001 0.000 0.000 0.001 0.006 CO (tons) 0.000 0.000 0.000 0.021 - 0.012. 0.001 0.001 0.002 0.037 PM (tons) 0.000 0.000 0.000 0.003 0.001 0.000 0.000 0.001 0.005 j VOC (tons) 0.000 0.000 0.000 0.002 0.001 0.000 -0.000 0.001 0.005 Fuel OilI
               ...   (gallons)               0            0         320                              290                       0                    10            10            30      __   660-NOx (tons)            0.000       0.000        0.072                            0.065                   0.000               0.003           0.003         0.009           10.52 August            SOx (tons)            0.000       0.000        0.002                            0.002                   0.000               0.000           0.000         0.001         0.005 CO (tons)            0.000       0.000        0.019                            0.017                   0.000                0.001          0.001         0.002         0.040 PM (tons)      1     0.000       0.000        0.002                            0.002                   0.000                0.000          0.000         0.001         0.005 I      VOC (to..s)           0.000       0.000        0.002                            0.002                   0.000                0.000          0.000         0.001         0.005 Fuel Oil (gallons)              0           98         376                               354                       00                                20            30            888 NOx (tons)      -     0.000       0.001        0.084                            0.079                   0.000                0.003          0.006         0.009         0.183
  • September -"sox (tons) 0.000 0.001 0.003 0.002 0.000 0.__00 0.000 0.001 0.007 CO (tons) 0.000 0.000 0.022 0.021 0.000 0.001 0.001 0.002 0.048 PM (tons) I 0.000 0.000 0.003 0.002 0.000 0.000 0.000 0.001 0.007
            £ VOC (tons)             j     0.000       0.000       0.002                            0.002                   0.000                0.000          0.001         0.001         0.006 Fuel Oil (gallons)   .          95         127          338                              256                     300                . 40             10           260         1,426 NOx (tons)             0.001       0.002       0.076                            0.057                   0U066                0.012          0.003         0.080         0.297 October            SOx ons)              0.001       0.001       0.002                            0.002                    0.002                0.001          0.000        0.005         0.014 CO (tons)             0.000       0.000       0.020                            0.015                    0.0t7                0.003          0.001        0.017         0.074 FM (tons)             0.000       0.000       0.002                            0.002                    0.002                0.001          0.000        0.006         0.013 SVOC (tons)            0.000       0.000       0.002                             0.002                   0.002                0.001          0.000        0.007         0.013 Fuel Oil I(gallons)      i   53,025      52,227         310                              355                       0                    10            20            90        106,037 NOx (tons)     -      0.636       0.627       0.069                             0.078                   0.000                 0.003         0.006         0.028         1.447 November            SOx (tons)            0.431       0.425       0.002                             0.002                   0.000  .             0.000          0.000         0.002  .      0.863 CO (tons)            0.133       0.131        0.018                            0.021                   0.000                 0.001         0.00m        0.006          0.310 (tons)

SPM I 0,053 0.052__ 0.002 0.002 0.0000 "000000 0.002 0.112 _ _ VOC (tons) 1 I 0.007 0.007 0.002 0.002 0.000 0.000 - 0.001 0.002 0.020 __ F u e l O il FuelOlo 25,131 5 30,008 322 374 700 10 10 50 56,605 _NOx (tons) " 0.302 0.360 0.072 0.082 0.153 0.003 0.003 0.015 0.991 December I SOX(tons) 0.204 0.244 0.002 0.003 0.005 0.000 __ 0,000 0.001 0.460 0 CO (tons) 0.063 0.075 0.019. 0.022 0.041 0.001 0.001 0.003 0.224 PM(tons) 0.025 0.030 0.002 0.003 0.005 - 0.000 0.000 0.001 0.066 VOC (tons) * ,0.003, 0.004 0.002 0.002 0.004 0.000. 0.000 0.001 0.017 2

2006 ANNUAL EMISSION REPORT Three Mile Island Unit I Synthetic Minor Air Permit No. 22-05029 STATIONARY COMBUSTION UNITS - AIR EMISSION SOURCES Month Aux Bit-A Aux Bir B EG-Y-!A  :* . fflB EG-Y- G.-Y 2 EG-Y-3A/30. FS-P-1/P-3. Totals BIA BIB YiA YIB . Y4 Y2 Y3A &Y39 FSP1&3 I I FSPI_&_3 allon . 78,597 83,029 5,016 3,883 2,100 140 ISO 870 173L795 ANNUAL t4Ox tons) - 0.943 0.996 1.124 0.866 0.463 0.043 0.049 0.269 4.7.54 TOTALS SOX (tons) -0 0.639 0.675 0.036 0.027 0.015 0.003 0.003 0.018 1.416 CO (tons) 0.196 0.208 0.298 0.230 0.123 0.009 0.011. 0.058 1.133 PM [tons) 0.079 0.083 0.035 -0.027 0.014 0.003 0.003 0.019 0.264

       -  VOC (tons)  O      0.010       0.010        0.032              0.024           0.013           0.004         0.004      0.022      0.119
2006 ANNUAL

SUMMARY

. -*5." TOTAL FUEL OIL CONSUMED and AIR EMISSIONS Fuel. oil  : 173,795 gallons " N40 Emssns. 4. 4 tons-SOX Emissin 9 4661 7CO Emissions.113 tons' PM Emsslons'. 0264-.. tons , VOC Emissions II0.119 tons 3

2006 ANNUAL EMISSION REPORT Three Mile Island Unit 1 Synthetic Minor Air Permit No. 22-05029 Major Air Emission Source Run Times (hours) M o n th ..- . .. . .. .... ..-.--: .. .... ".....,........

                                                                                   . v..--...     . .. .   .E m e rg e n cy         E m e rg e n cy Month           Auxiliary Boiler Auxiliary Boiler                         Emergency Diesel              Emerency                    Dierency SBIA                            (B IB) -(1Y                     IA)'        ~          islDee

_______ _________(YIB) (Y4) January ... .......... 1.7 - - ----------1 .9 1.6 --------- _-......-26 ........ February 0.0 0.0 1.7 1.7 0.0 March 0.3 0.9 2.0 2.1 0.0 lý ---1.0 Ap--r!ie - --- 0.4 ---------- 6.4 1.6 ------ 7-------------2.0- ---- May 0.0 0.0 3.4 1.8 0.0 June 0.0 0.0 4.2 1.6 0.0 July 0.2 0.4 0.0 1.7 2.1

     .AU.Ust                    0.0                          0.0                         1.9                      1.7                       0.0

_.Sep tem ber ------------ 0.0 0............ 0,8 ----------

  • 2.0 .... 1.9 ------------------0.0 ........

October 0.8 0.6 1.8 1.6 1.5 November 82.9 75.4 1.9 2.5 .0.0 December 24.8 37.1 1.8 1.9 3.8 Totals 110.7 116.7 29.0 21.7 12.0 I Item No. 7. Run times for the large Emergency Diesels are reported in the Annual Emission Report as an option. Run times for the Run times forsmall Diesel Engines the Auxiliary Boilers are(Y2,Y3A, included Y3B, FSP1 in the and FSP3) Annual are Report Emission available as upon request. required by Section E., Group 2, V., I 4

ATTACHMENT I 2006 ANNUAL AIR EMISSION REPORT STATIONARY COMBUSTION UNIT DESCRIPTIONS Three Mile Island Unit 1 TMI-I Fuel Oil System 0.1 %S 140,000 BTUs/gal TMI-1 Fuel Oil System 0.1%S 140,000 BTUs/gal TMI-I Fuel Oil System 0.1%S 140,000 BTUs/gal TMI- I Station Blackout Local Delivery from Emergency Generator I Vendor; 0. 1 % S 140,000 BTUs/gal TMI-I Station Security TMI-1 Fuel Oil System System Uninterruptible 0.1%S Power Generator I 140,000 BTUs/gal Local Delivery from Vendor; 0.2 % S 140,000 BTUs/gal TMI-1 Substation Local Delivery from Emergency Power Vendor; 0.2 % S Generator "B" 140,000 BTUs/gal TMI-1 Fire Pump Diesel Local Delivery from (TMI-I Circulating Vendor; 0.1% S; Water Pump House) 140,000 BTUs/gal TMI-I Fire Pump Diesel Local Delivery from (TMI-1 Screen Intake Vendor; 0.1% S Structure) 140,000 BTUs/gal

ATTACHMENT II 2006 ANNUAL AIR EMISSION REPORT AP- 42 AIR EMISSION FACTOR CALCULATIONS/DERIVATIONS Three Mile Island Unit 1 Source Identification Nos. Y1A. Y1B and Y-4 (Large Diesel Engines) NOx Tons NOx = (x gallons fuel oil) x 3.2 lbs NOx/106BTUs (AP- 42 Table 3.4-I Factor) x 140,000 BTUs/1 gal (typical fuel oil) x 1 ton/2000 lbs CO Tons CO = (x gallons fuel oil) x 0.85 lbs CO/I0 6 BTUs (AP- 42 Table 3.4-1 Factor) x 140,000 BTUs/1 gal (typical fuel oil) x I ton/2000 lbs PM Tons PM = (x gallons fuel oil) x 0.1 lbs PM/10 BTUs (AP- 42 Table 3.4-I Factor) x 140,000 BTUs/1 gal (typical fuel oil) x 1 ton/2000 lbs VOC Tons VOC = (x gallons fuel oil) x 0.09 lbs VOC/10 6 BTUs (AP- 42 Table 3.4-1 Factor) x 140,000 BTUs/l gal (typical fuel oil) x 1 ton/2000 lbs SOx Tons SOx = (x gallons fuel oil) x 0.10 lbs SOx/106 BTUs (AP- 42 Table 3.4-1 Factor)* x 140,000 BTUs/l gal (typical fuel oil) x 1 ton/2000 lbs

  • Where, AP-42 Air Emission Factor SOx = 1.01 x S lbs SOx/10 6 'BTUs = 1.01 x 0. 1 0.10 lbs SOx/106 BTUs [S = % sulfur in fuel oil, therefore S = 0.1 (fuel oil 0.1 % sulfur based on testing)].

Source Identification Nos. B1A and B1B (Auxiliary Boilers) NOx Tons NOx = (x gallons fuel oil) x 24 lbs/I 000 gals (AP- 42 Table 1.3-1 Factor) x I ton/2000 lbs CO Tons CO = (x gallons fuel oil) x 5 lbs/1000 gals (AP- 42 Table 1.3-1 Factor) x 1 ton/2000 lbs PM Tons PM = (x gallons fuel oil) x 2 lbs/1000 gals (AP- 42 Table 1.3-1 Factor) x I ton/2000 lbs VOC Tons VOC = (x gallons fuel oil) x 0.252 lbs/1000 gals (AP- 42 Table 1.3-3 Factor) x 1 ton/2000 lbs SOx Tons SOx = (x gallons fuel oil) x 16.27 lbs SOx/1000 gallons (AP- 42 Table 1.3-I Factor)* x I ton/2000 lbs

  • Where, AP-42 Air Emission Factor = SOx = SO 2 + SO 3 /1000 gallons = (157 x S) + (5.7 x S)
         =  (157 x 0.1) + (5.7 x 0.1) = 16.27 lbs SOx /1000 gallons [S = % sulfur in fuel oil, therefore S = 0.1 (fuel oil = 0.1 % sulfur based on testing)].

Note: The gallons of fuel oil consumed by individual combustion units were determined by in-line fuel oil metering (Emergency Diesels - YIA and YIB and Auxiliary Boilers - B IA and BIB); storage tank level measurements (Emergency Diesel - Y4); and equipment run times/manufacturer's fuel consumption rates (Y2, Y3A, Y3B, FSPI and FSP3).

References:

USEPA Manual AP- 42, Fifth Edition, Volume I, Chapter 1.0, External Combustion Sources (Supplement E, 09/98) and Chapter 3.0, Stationary Internal Combustion Sources (Supplement B, 10/96). Confirmed the most recent revision dates of applicable sections via USEPA TNN CHIEF, Clearinghouse for Inventories and Emission Factors (CHIEF), on February 19, 2007.

ATTACHMENT II 2006 ANNUAL AIR EMISSION REPORT AP- 42 AIR EMISSION FACTOR CALCULATIONS/DERIVATIONS Three Mile Island Unit I Source Identification Nos. EG-Y-2, EG-Y-3A & 3B, FS-P-1 and FS-P-3 (Small Diesel Engines) NOx Tons NOx = (x gallons fuel oil) x 4.41 lbs NOx/10 6 BTUs (AP- 42 Table 3.3-1 Factor) x 140,000 BTUs/l gal (typical fuel oil) x I ton/2000 lbs CO Tons CO = (x gallons fuel oil) x 0.95 lbs CO/10 6 BTUs (AP- 42 Table 3.3-1 Factor) x 140,000 BTUs/1 gal (typical fuel oil) x 1 ton/2000 lbs PM Tons PM (x gallons fuel oil) x 0.31 lbs PM/ 106 BTUs (AP- 42 Table 3.3-1 Factor) x 140,000 BTUs/I gal (typical fuel oil) x I ton/2000 lbs VOC Tons VOC = (x gallons fuel oil) x 0.36 lbs VOC/10 6 BTUs (AP- 42 Table 3.3-1 Factor) x 140,000 BTUs/I gal (typical fuel oil) x 1 ton/2000 lbs SOx Tons SOx = (x gallons fuel oil) x 0.29 lbs SOx/10 6 BTUs (AP- 42 Table 3.3-1 Factor) x 140,000 BTUs/1 gal (typical fuel oil) x 1 ton/2000 lbs Note: The gallons of fuel oil consumed by individual combustion units were determined by in-line fuel oil metering (Emergency Diesels - Y1A and Y1B and Auxiliary Boilers - B IA and BIB); storage tank level measurements (Emergency Diesel - Y4); and equipment run times/manufacturer's fuel consumption rates (Y2, Y3A, Y3B, FSPI and FSP3).

References:

USEPA Manual AP- 42, Fifth Edition, Volume 1, Chapter 1.0, External Combustion Sources (Supplement E, 09/98) and Chapter 3.0, Stationary Internal Combustion Sources (Supplement B, 10/96). Confirmed the most recent revision dates of applicable sections via USEPA TNN CHIEF, Clearinghouse for Inventories and Emission Factors (CHIEF). on February 19, 2007.

EN-AA-1 Revision051 Page 15 of 15 Attachment 2 Example Verification Completion Form Page 1 of 1 Verification Documentation Correspondence/Letter number: 205322°'1 Origination Date: OZ/S)'/'*Oo Agency/External Stakeholder: P&JD P Submittal Due Dat 2R.j.pl Recipient of Correspondence: TI1H6A',.?. fi7t.A .. l 1.,/¢ know *f - R(name and titfe Purpose of Submittal: * " - O.SoZ ? Originating Office: [I Cantera El Kennett Square 2Site "?!,qr"*"A,,*i. A. (specify) Preparer: , 0_ /too_____

                          "-      dnt)                      ,          .(sign)                       (date)

Peer Reviewer: " °' Aa IFi" £I ^ k' 6 Csign) 0('-. A ' (Sig i 9 (date) Certified Mail Return Recefpt Requested: WY!es El No Approvals (check box if applicable) Applicable J Date Review Signature of Reviewer J Date of Attach additional page for comments.

Sid, Group Naine Rec .1D Record Description Retention Requii-eirc'nc

  • ComentslL Environmental Air Emissions Records; includes Air Pollution 5 Yrs Exelon Environmental Record Consult Exelon Environmental Record Control, Hazardous Air Pollutants, Protection of Retention Schedule. Retention Schedule for listinq of records.

QA No Exception; Stratospheric Ozone, Title V and State Operating Permits, Permits by Rule, and Fleet and Mobile Services. Environmental 2H.101 Lead Management (Outdoor Shooting Range Life of Range + 10 Yrs EPA-902-B-01-001

  • Documentation)

QA No Exception*: Environmental 2H.102 No Longer Used - Meteorological joint LIP+ 10OYrs ' ANI 80-1A; X (5) Record type;now included in 2C. 109 frequency distribution data to support QA No Except ion: environmental effluent monitoring measurements Environmental 2H.103 Water Resource Management (Discharges and 5 Yrs Consult Exelon Environmental Record NPDES, Pretreatment, Storage, Sewage and Retention Spchedule tor listing of records. QA No Exception: Sludge) Environmental 2H. 104 Off-site environmental monitoring survey LP 1; 3.6 records QA Yes Exception: Environmental 2H.105 No Longer Used - State Sewage Sludge Land Record type, now included in 21-1.103 Application Certification Statement QA No Excepion: Environmental 2H.106 Spill Prevention Control and Countermeasures 10 Yrs Exelon Environmental Record Consult Exelon Environrnipetal Recoid (SPCC) plan, inspections, tests, etc. Retention Schedule. Retention Schedule for listing of records. QA No Exception: Environmental 2H.107 Storage Tank Management, Above and LP Exelon Environmental Record Consult Exelon Environmental Record Underground installation, system operating, Retention Schedule. Retention Schedule for listing of iecords. QA No otion: integrity testing, inspection, maintenance and major repairs. Environmental 2H.108 Toxic Substances Act Requirements Records - 5 Years Exelon Environmental Record Consult Exelon Environmental Record Non PCB Retention Schedule. Retention Schedule for listing of records.. QA No Exception: Environmental .2H.109 Toxic Substances Act Requirements-Records - LP Exelon Environmental Re'cord Consult Exelon Environmental Record PCB Retention Schedule. Retention Schedule for listing of recorrds. QA No Exception: Environmental 2H.110 Hazardous waste treatment, storage and LP Exelon Environmental Record Consult Exeton Environmental Record disposal facility records Retention Schedule. Retention Schedule for listing of records. QA No Except(ioi: . ThursdaY, AlaY 11, 2#06 Page IS of'61

Amr'm, AmerGen Energy Company, LLC Telephone: 717-948-8oo *ij An Exelon Company Three Mile Island Unit 1 Route 441 South, PO. Box 480 Middletown, PA 17057 e000 February 15, 2008 5532-2008-006 Mr. Frederick J. Heagy Harrisburg District Supervisor Air Quality Program PA Department of Environmental Protection 909 Elmerton Avenue Harrisburg, PA 17110-8200

Dear Mr. Heagy:

SUBJECT:

ANNUAL AIR EMISSION REPORT - 2007 CALENDAR YEAR SYNTHETIC MINOR OPERATING PERMIT NO. 22-05029 THREE MILE ISLAND UNTI 1 Please find attached a simplified 2007 annual emission report covering NOx, SOx, CO, PM and VOC air emissions from stationary combustion units located TMI Unit 1. This simplified report is similar in format and content to the previously submitted annual reports. The enclosed annual report meets the reporting requirements of Permit 22-05029, Section C.IV., Item No. 10; Section C.V., Item No. 13; Section C.VII., Item No. 15; Section E., Group 1, V., Item No. 007; and Section E., Group 2, IV., Item No. 003. The 2007 annual emission report as summarized in Table I demonstrates compliance with the facility air emission limitations listed in Penmit Section C.I., Item No. 006. Table 1 TMI Unit 1 2007 Air Emissions Summary Air Permit Annual Facility.'.- Calculated Facility Pollutant Emissions Limitations'. Annual Emissions NOx 100 tons 7.1 tons SOx 100 tons 1.5 tons CO 100 tons 1.6 tons PM 100 tons 0.4 tons VOC 50 tons 0.2 tons

5532-2008-006 Page 2 of 2 The following attachments are submitted for the 2007 annual emission report: 0 2007 Annual Emissions Report - Report includes the monthly NOx, SOx, CO, PM and VOC emissions summary for the regulated stationary combustion equipment and the monthly run times for the major equipment. N Attachment I - Stationary Combustion Unit Description (includes equipment power ratings and source fuel oil characteristics). N Attachment II - AP-42 Air Emission Factor Calculations/Derivations In accordance with Section E., Group 1, III., Item No. 4, of the pennit related to the Auxiliary Boilers A and B, the sulfur content of fuel oil is routinely determined by sampling and analysis. The testing results for fuel oil used in the TMI Unit 1 Auxiliary Boilers bad an average sulfur content of 0.05 % sulfur (by weight). Section E., Group 1, I., Item No. 3 restricts the sulfur content of fuel oil combusted in the Auxiliary Boilers to less than 0.5 % sulfur (by weight). Two temporary diesel-driven air compressors were used at TMI Unit 1 during October and November 2007 to support work associated with the TMI Unit 1 maintenance and refueling outage. Air emissions from the equipment were estimated to assess impact on the facility air emission limitations. The calculated air emissions from the temporary equipment had no significant impact on meeting the 2007 facility air emission limitations. The calculated air emissions are as follows: NOx = 1.5 tons, SOx < 0.1 tons, CO = 0.3 tons, PM < 0.1 tons and VOC < 0.1 tons. The estimated air emissions from the temporary equipment are not included in Table I or the other attachments covering the penrmitted stationary sources. Should the Department have questions concerning the attached 2007 annual emission report or require additional information, please contact Scott Cogley, Environmental Chemist, at (717) 948-8881 or e-mail at scott.cogley@exeloncorp.corn. Sincerely, T. J. Dougherty -- Plant Manager TJD/src Attachimnents

2007 ANNUAL EMISSION REPORT Three Mile Island Unit I Synthetic Minor Air Permit No. 22-05029 STATIONARY COMBUSTION UNITS - AIR EMISSION SOURCES Month- Aux BIr A . Aux BIr B- .. EG-Y-1A EG-Y-1B -. EG-Y-4;, EG.Y-2 EG-Y-3A/3B' . FS-P-I/P-3 Totals _ _ .:B1A" __"

  • i*:'." " BIB YIA Y1B ..
                                                                                                 ."Y3A&Y38           Y4      .. 'Y2   ":      &       -.. FSP1333 Fuel Oil                                                                                  .

(gallons) 55 45 556 306 600 30 10 80 1,682 NOx (tons) J 0.001 0.001 0.125 0.069 0.134 0.009 0.003 0.025 0.366 January SOx (tons) 0.000 0.000 0.005 0.003 0.005 0.001 0.000 0.002 0.015 CO (tons) 0.000 0.000 0.033 0.018 0.036 0.002 0.001 0.005 0.095 I PM (tons) I 0.000 0.000 0.004 0.002 0.004 0.001 0.000 0.002 0.013 __VOC _'" (tons) 0.,0,00 0.000 0.004 0.002 0.004 0.001 0.000 0.002 0.012 Fuel Oil (gallons) , 0 0 380 375 0 20 10 80 865 l NOx (tons) J 0.000 0.000 0.085 0.084 0.000 0.006 0.003 0.025 0.203 February ' SOx (tons) 0.000 0.000 0.003 0.003 0.000 0.000 0.000 0.002 0.008 C (tons) 0.000 0.000 0.023 0.022 0.000 0.001 0.001 0.005 0.052 PM (tons) 0.000 0.000 0.003 0.003 0.000 0.000 0.000 0.002 0.008 I VOC (tons) I 0.000 0.000 0.002 0.002 0.000 0.001 0.000 0.002 0.008 Fuel Oil 0 I (gallons) 0 0 319 292 0 10 20 60 701 I NOx (tons) 0,000 0.000 0.071 0.065 0.000 0.003 0.006 0.019 0.165 I SOx (tons) 0.000 0.000 0.002 0.002 0.000 0.000 0.000 0.001 0.006 0 CO (tons)  ! 0.000 0.000 0.019 0.017 0.000 0.001 0.001 0.004 0.042 I PM (tons) 1 0.000 0.000 0.002 0.002 0.000 0.000 0.000 0.001 0.006 SO-C (tons) 0.000 0.000 0.002 0.002 0.000 0.000 0.001 0.002 0.006 Fuel Oil (gallons) 78 83 357 1520 300 20 20 70 2,448 NOx (tons) I 0.001 0.001 0.080 0.340 0.067 0.006 0.006 0.022 0.524 April I-SOx (tons) 0.000 0.000 0.003 0.013 0.003 0.000 0.000 0.001 0.021 CO (tons) 0.000 0.000 0.021 0.090 0.018 0.001 0.001 0.005 0.137 I PM (tons) 0.000 0.000 0.002 0.011 0.002 0.000 0.000 0.002 0.018 I VOC (tons) 0.000 0.000 0.002 0.010 0.002 0.001 0.001 0.002 0.017 Fuel Oil (gallons) 0 0 363 288 0 10 10 60 731 I NOx (tons) 0.000 0.000 0.081 0.065 0.000 0.003 0.003 0.019 0.171 May SOx (tons) 0.000 0.000 0.003 0.002 0.000 0.000 0.000 0.001 0.007 CO (tons) 0.000 0.000 0.022 0.017 0.000 0.001 0.001 0.004 0.044 PM (tons) I 0.000 0.000 0.003 0.002 0.000 0.000 0.000 0.001 0.006 S VOC (tons) 1 0.000 0.000 0.002 0.002 0.000 0.000 0.000 0.002 0.006 I Fuel Oil (gallons) 0 0 305 359 0 0 0 130 794 NOx (tons) l 0.000 0.000 0.068 0.080 0.000 0.000 0.000 0.040 0.189 June ' SOx (tons) 0.000 0.000 0.003 0.003 0.000 0.000 0.000 0.003 0.008 CO (tons) 0.000 0.000 0.018 0_021 0,000 _ 0.000 0.000 0.009 0.048 PM (tons) , 0.000 0.000 0.002 0.003 0.000 0.000 0.000 0.003 0.007 I VO( (tons) 0.000 0.000 0.002 0.002 0.000 0.000 0.000 0.003 0.007 I

2007 ANNUAL EMISSION REPORT Three Mile Island Unit 1 Synthetic Minor Air Permit No. 22-05029 STATIONARY COMBUSTION UNITS - AIR EMISSION SOURCES Month AuxBSir A. Aux BirB B-, . EG-Y1A EG-Y1B 7EGY4': EG-Y-2 EG-Y3N3B.. FS-P-11P-3 Totals B1A BIB YIA'" " iB y4 Y2 Y3A&Y3B FSPI&3 I Fuel Oil (gallons) 968 70 263 410 200 30 30 50 2,021 I NOx (tons) 0.012 0.001 0.059 .0.092 0.045 0.009 0.009 0.015 0,242 July S, (tons) Sex i 0.004 0.000 0.002 0.003 0.002 0.001 0.001 0.001 0.014 0 CO (tons) 0 0.002 0.000 0.016 0.024 0.012 0.002 0.002 0.003 0.062 I PM (tons) I 0.001 0.000 0.002 0.003 0.001 0.001 0.001 0.001 0.010. L VOC (tons) 0.000 0.000 0.002 0.003 0.001 0.001 0.001 0.001 0.008 Fuel Oil (gallons) 0 256 0 329 305 0 10 10 50 960

             "  NOx (tons)l                0.003          0.000           0.074              0,068           0.000        0.003   0.003       0.015            0.167 August     I'   SOX (tons)      _          0.001          0.000           0.003              0.003            0.000       0.000   0.000       0.001            0,008 CO (tons)                 0.001          0.000           0.020              0.018            0.000       0.001   0.001       0.003            0.043 PM (tons)        P        0.000          0.000           0.002              0,002           0.000        0.000   0.000       0.001            0,006 3   VOC (tons)       j          0.000          0.000           0.002              0,002           0.000        0.0     0.000
                                                                                                                                    .0001                      0.006 Fuel Oil 0            98              398               399               0           10      10          60              975 i    NOx (tons) "              0.000           0.001           0.089              0.089           0.000        0.003   0.003       0.019            0.204 September I      Sex (tons)                 0.000          0.000           0.003              0.003           0.000        0.000   0.000       0.001            0.009 i    CO (tons)__                0.000          0.000           0.024              0.024           0.000        0.001   0.001       0.004            0.053 PM (tons)                 0.000           0.000           0.003              0.003           0.000        0.000   0.000       0.001           0.007 1   VOC (tons)      4          0.000           0.000           0.003              0.003           0.000        0.000   0.000       0.002            0.007 Fuel Oil (gallons)       0       17,075         17,194             723               756              300          40      10         170            36,268 NOx (tons)        I        0.205          0.206           0.162              0.169           0.067        0.012   0.003       0.052            0.878 October        SOx (tons)                 0.069          0.070            0.006              0.006           0,003       0.001    0.000       0.003           0.159 CO (tons)                 0.043          0.043            0.043              0.045           0.018       0.003    0.001       0.011           0.206 PM (tons)       ,         01017          0.017            0.005              0.005           0.002       0.001    0.000      0.004            0.051 I    VOC (tons)       1         0.002          0.002            0.005              0.005           0.002       0.001    0.000      0.004            0.021 Fuel Oil       I I      (gallons)               142,888        147,172            328                347               0           10      10          70           290,825 I    NOx (tons)       I         1.715          1.766            0.073              0.078           0.000       0.003   0.003       0.022            3.660 November        Sex (tons)                 0.582          0.599            0.003             0.003            0.000       0.000   0.000       0.001            1.188 CO (tons)       '         0 357          0.368            0.020              0.021           0.000       0.001    0.001      0.005            0,771 PM (tons)                    .143        0.147            0.002             0.002            0.000       0.000   0.000       0.002            0.297 I     VOC (tons)       1         0.018          0.019            0.002             0.002            0.000       0.000   0.000       0.002            0.043' i      Fuel F(galloils) 'Oili             0             0              322                291             700          10       10         30             1,363 1     NOx(tons)

_______ I 0.000 0.000 0.072 0.065 0.157 0.006 0.003 0.003 0090.310 0.000 0.000 0.001 0.012 December SOx (tons) 1 0.000 0.000 0.003 0.002 0.006 0.000 0.000 .0.001 0,012 CO (tons) 0.000 0.000 0.019 0.017 0.042 0.001 0.001 0.002 0.081 PM (tons) 0000 0.000 0.002 0.002 0.005 0.000 0.000 0.001 0.010 I VOC (tons) Ii 0.000 0.000 0.002 0.002 0.004 0.000 0.000 0.001 0.010 2

2007 ANNUAL EMISSION REPORT Three Mile Island Unit 1 Synthetic Minor Air Permit No. 22-05029 STATIONARY COMBUSTION UNITS - AIR EMISSION SOURCES Month AuI i . ... . EG-Y-1A:

  • .* .,* ..w:.-* =.. EG-Y-1B
                                                                                                                        --                                    F-                                                                                                                                                                              .. T o ta ls
                           . AuxBIrA. Aux BIr.B                                                       ".EG-Y-4,.         EG-Y-2     -ý.   .':EG-Y-3A13B -   F.-P.IIPFS-Totals SB1A            BIB                YIA:.;                     Y1B        1       :Y4      ..      Y2     '        :Y3A & Y3B     . FSP1 & 3 I     Fuel Oil
          .   (gallons)  i   161,320     164,662             4,643                      5,648              2,100            200                   150             910           339,633 ANNUAL       NOx (tons)        1,936       1.976              1.040                      1.265              0.470           0.062                 0.046           0.281           7.076 TOTALS       SOx (tons)        0.657       0.670              0.038                      0.047              0.018           0.004                 0.003           0.018           1.454 l     CO (tons)  I     0.403       0.412              0.276                      0.336              0.125           0.013                 0.010           0.061           1.636 PM (tons)        0.161       0.165              0.033                      0.040              0.015           0.004                 0.003           0.020           0.440 VOC (tons)        0.020       0.021              0.029                      0.036              0.013           0.005                 0.004           0.023           0.151 2007 ANNUAL 

SUMMARY

                                                         'TOTAL FUEL OILCCONSUMED and!AIR EMISSIONS Fuel Oil:_                                           339,633.,                -gallons x Emisiotons
                                                   ',NO' ri~a:                        .                            .7                      o~ns        j CO Emissions                                                  .3        .           _ton PM Emssions                                    I4tons        0.0
                                                  'VOC Emissions                                                  0.151           'tons 3

2007 ANNUAL EMISSION REPORT Three Mile Island Unit 1 Synthetic Minor Air Permit No. 22-05029 Major Air Emissio sourCe Run Times (hours) ,, MOnth Emergency...: Emergency Auxiliary Boiiler Auxiliary-Boie!ri. Emergency! Diesel. Diesel ...D(y4)i iesel AlB. (13113),V ý(Y11B)

. _ J___ _ _.0.2                           _0 .2 ---------------------- 5.2 ---------------------- 1.8.          1.7 February ...........0.0.                   0.0                         2.0                       2.0           0.0 March                0.0                 0.0                         1.8                       1.6           0.0
       .. r0.5.A                               0.6                         1.8                       9.3           0.0 0 0_._- -.            - . 1...............

7... .... ... ... . 1_.. 7.

-------                    0 .0_                                                                                   2.1 0.0                         1.8                       1.7 June                0.0                                                                                     0.0 t~'.!y             0.4                 0.3                         1.7                       2.6           1.8
   ._August1.                                  0.0                         1.6                       1.7           0.0

--....P!(e. .. . . .0--- 0---- 0.6 2.0 1.9 0.0 October 33.0 25.7 4.0 4.7 0.6 November 282.0 251.6 2.3 1.7 1.8 December 0.0 0.0 1.3 2.4 0.0 Totals 318.0 279.0 27.2 33.1 8.0 Run times for the Auxiliary Boilers are included in the Annual Emission Report as required by Section E., Group 1, V., I Item No. 007. Run times for the large Emergency Diesels are reported in the Annual.Emission Report as an option. RunJ times for the small Diesel Engines (Y2,Y3A, Y3B, FSP1 and FSP3) are available upon request. I 4

ATTACHMENT I 2007 ANNUAL AIR EMISSION REPORT STATIONARY COMBUSTION UNIT DESCRIPTIONS Three Mile Island Unit 1 TMI-l Auxiliary Steam TMI-l Fuel Oil System 168,000,000 BTU/hr BIA Boiler "A" 0.05 % S Heat Input 140,000 BTUs/gal TMI-I Auxiliary Steam TMI-l Fuel Oil System 168,000,000 BTU/hr BIB Boiler "B" 0.05 % S Heat Input 140,000 BTUs/gal TMI-I Station TMI-1 Fuel Oil System YIA Emergency Power 0.12 % S 4,182 h.p. Generator "A" 140,000 BTUs/gal TMI-1 Station TMI-1 Fuel Oil System Y1B Emergency Power 0.12%S 4,182 h.p. Generator "B" 140,000 BTUs/gal TMI-1 Station Blackout Local Delivery from Y4 Emergency Generator Vendor; 0.13 % S 4,182 h.p. 140,000 BTUs/gal TMI-1 Station Security TMI-1 Fuel Oil System Y2 System Uninterruptible 0.12 % S 214 h.p. Power Generator 140,000 BTUs/gal TMI-1 Substation Local Delivery from Y3A Emergency Power Vendor; 0.2 % S 166 h.p. Generator "A" 140,000 BTUs/gal TMI-i Substation Local Delivery from Y3B Emergency Power Vendor; 0.2 % S 166 h.p. Generator "B" 140,000 BTUs/gal TMI-1 Fire Pump Diesel Local Delivery from FSP1 (TMI- I Circulating Vendor; 0.13 % S; 380 h.p. Water Pump House) 140,000 BTUs/gal TMI-1 Fire Pump Diesel Local Delivery from FSP3 (TMI-l Screen Intake Vendor; 0.12 % S 380 h.p. Structure) 140,000 BTUs/gal

ATTACHMENT II 2007 ANNUAL AIR EMISSION REPORT AP- 42 AIR EMISSION FACTOR CALCULATIONS/DERIVATIONS Three Mile Island Unit I Source Identification Nos. Y1A. YIB and Y-4 (Large Diesel Envines) NOx Tons NOx = (x gallons fuel oil) x 3.2 lbs NOx/l06 BTUs (AP- 42 Table 3.4-1 Factor) x 140,000 BTUs/l gal (typical fuel oil) x 1 ton/2000 lbs CO Tons CO = (x gallons fuel oil) x 0.85 lbs CO/106 BTUs (AP- 42 Table 3.4-1 Factor) x 140,000 BTUs/1 gal (typical fuel oil) x I ton/2000 lbs PM Tons PM = (x gallons fuel oil) x 0.1 lbs PM/10 6 BTUs (AP- 42 Table 3.4-1 Factor) x 140,000 BTUs/l gal (typical fuel oil) x I tonI2000 lbs VOC Tons VOC = (x gallons fuel oil) x 0.09 lbs VOC/106BTUs (AP- 42 Table 3.4-1 Factor) x 140,000 BTUs/1 gal (typical fuel oil) x 1 ton/2000 lbs SOx Tons SOx = (x gallons fuel oil) x 0.12 lbs SOx/106BTUs (AP- 42 Table 3.4-1 Factor) x 140,000 BTUs/1 gal (typical fuel oil) x I ton/2000 lbs Where, AP-42 Air Emission Factor = 1.01 x S [S = % sulfur in fuel oil, therefore S = 0.12 (fuel oil g 0.12 % sulfur based on testing)] / 106 BTUs = 1.01 x 0.12 = 0.12 lbs SOx/10 6 BTUs. Source Identification Nos. BlA and BIB (Auxiliary Boilers) NOx Tons NOx = (x gallons fuel oil) x 24 lbs/1000 gals (AP- 42 Table 1.3-1 Factor) x I ton/2000 lbs CO Tons CO = (x gallons fuel oil) x 5 lbs/1000 gals (AP- 42 Table 1.3-1 Factor) x I ton/2000 lbs PM Tons PM = (x gallons fuel oil) x 2 lbs/1000 gals (AlP- 42 Table 1.3-1 Factor) x I ton/2000 lbs VOC Tons VOC = (x gallons fuel oil) x 0.252 lbs/1000 gals (AP- 42 Table 1.3-3 Factor) x 1 ton/2000 lbs SOx Tons SOx = (x gallons fuel oil) x 8.14 lbs SOx/1000 gallons (AP- 42 Table 1.3-1 Factor) x I ton/2000 lbs Where, AP-42 Air Emission Factor = SOx = S02 + SO 3 /1000 gallons = (157 x S) + (5.7 x S)

         = (157X0.05) + (5.7 x 0.05) = 8.14 lbs SOx/1000 gallons [S = % sulfur in fuel oil, therefore S = 0.1 (fuel oil ,* 0.1 % sulfur based on testing)].

Note: The gallons of fuel oil consumed by individual combustion units were detennined by in-line fuel oil metering (Emergency Diesels - Y1A and Y1B and Auxiliary Boilers - BIA and BIB); storage tank level measurements (Emergency Diesel - Y4); and equipment run times/manufacturer's fuel consumption rates (Y2, Y3A, Y3B, FSP1 and FSP3).

References:

USEPA Manual AP- 42, Fifth Edition, Volume 1, Chapter 1.0, External Combustion Sources (Supplement E, 09/98) and Chapter 3.0, Stationary Internal Combustion Sources (Supplement B, 10/96). Confirmed the most recent revision dates of applicable sections via USEPA TNN CHIEF, Clearinghouse for Inventories and Emission Factors (CHIEF), on February 5, 2008.

I ATTACHMENT 11 2007 ANNUAL AIR EMISSION REPORT AP- 42 AIR EMISSION FACTOR CALCULATIONS/DERIVATIONS Three Mile Island Unit 1 Source Identification Nos. EG-Y-2, EG-Y-3A & 3B, FS-P-1 and FS-P-3 (Small Diesel Eneines) NOx Tons NOx = (x gallons fuel oil) x 4.41 lbs NOx/10 6 BTUs (AP- 42 Table 3.3-1 Factor) x 140,000 BTUs/1 gal (typical fuel oil) x I ton/2000 lbs CO Tons CO = (x gallons fuel oil) x 0.95 lbs CO/10 6 BTUs (AP- 42 Table 3.3-1 Factor) x 140,000 BTUs/1 gal (typical fuel oil) x 1 ton/2000 lbs PM Tons PM = (x gallons fuel oil) x 0.31 lbs PM/10 6 BTUs (AP- 42 Table 3.3-1 Factor) x 140,000 BTUs/1 gal (typical fuel oil) x 1 ton/2000 lbs VOC Tons VOC = (x gallons fuel oil) x 0.36 lbs VOC/10 6 BTUs (AP- 42 Table 3.3-1 Factor) x 140,000 BTUs/1 gal (typical fuel oil) x 1 ton/2000 lbs SOx Tons SOx = (x gallons fuel oil) x 0.29 lbs SOx/10 6 BTUs (AP- 42 Table 3.3-1 Factor) x 140,000 BTUs/1 gal (typical fuel oil) x 1 ton/2000 lbs Note: The gallons of fuel oil consumed by individual combustion units were determined by in-line fuel oil metering (Emergency Diesels - Y1A and YIB and Auxiliary Boilers - B IA and BIB); storage tank level measurements (Emergency Diesel - Y4); and equipment run times/manufacturer's fuel consumption rates (Y2, Y3A, Y3B, FSPI and FSP3).

References:

USEPA Manual AP- 42, Fifth Edition, Volume 1, Chapter 1.0, External Combustion Sources (Supplement E, 09/98) and Chapter 3.0, Stationary Internal Combustion Sources (Supplement B, 10/96). Confirmed the most recent revision dates of applicable sections via USEPA TNN CHIEF, Clearinghouse for Inventories and Emission Factors (CHIEF), on February 5, 2008.

Summary Report of TMI License Renewal Application Review Questions for: Environmental Audit Request No: ENV-72 Topic: Air Quality and Meteorology Source: ENV Requested by: Lopas, Sarah Assigned to: Nancy Ranek Status: Accepted by NRC Information Request: NRC would like copies of air permits (the past 5 years at minimum). Date Received: 3/19/2008 Response Date: Response: Copy of the current Air Permit No. 22-05029 List Attachments Provided: Air Permit # 22-05029, 2001 -- 2006 Air Permit #22-05029, 2006 5/19/2008 7:01:16 PM Page 80 of 119

COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION - Southcentral Regional Office Air Quality Program State Only Permit # 22-05029 AMIERGEN ENERGY COMPANY, LLC Londonderry Township, Dauphin County Deebr--29-006'

COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION AIR QUALITY PROGRAM STATE ONLY OPERATING PERMIT Issue Date: December 22,2006 E i Date: . Expiration Date: December 31,2011 In accordance with the provisions of the Air Pollution Control Act, the Act of January 8, 1960, P.L 2119, as amended, and 25 Pa. Code Chapter 127, the Owner, [and Operator if noted] (hereinafter referred to as permittee) identified below is authorized by the Department of Environmental Protection (Department) t6 operate the air emission source(s) more fully described in this permit. This Facility is subject to all terms and conditions .pecified in this permit. Nothing in this permit relieves the permittee from its obligations to comply with all applicable Federal, State and Local laws and regulations. The regulatory or statutory authority for each permit condition is set forth in brackets. All terms and conditions in this permit are federally enforceable unless otherwise designated.' State Only Permit No: 22-05029 Synthetic Minor Federal Tax Id - Plant Code: 23-2921417-1 [Signature]) -- " "" LEIF ERICSON,) SO CENTRAL REGION AIR PROGRAM MANAGER Page 1

Section A. Facility/Source Identification Table of Contents Site Inventory List Section B. General State Only Requirements

          #001      Definitions.
          #002     Operating Permit Duration.
          #003     Permit Renewal.
          #004     Operating Permit Fees under Subchapter I.
        #005       Transfer of Operating P*rmits.
        #006       Inspection and Entry.
        #007       Compliance Requirements.
        #008       Need to Halt or Reduce Activity Not a Defense.
        #009       Duty to Provide Information.
        #010       Revising an Operating Permnit for Cause.
        #011       Operating Permit Modifications
        #012       Severability Clause.
        #013       De Minimis Emission Increases.
        #014       Operational Flexibility.
        #015       Reactivation "
        #016       Health Risk-based Emission Standards and Operating Practice Requirements.
        #017       Circumventionr
        #018       Reporting Requirements.
        #019       Sampling, Testing and Monitoring Procedures.
        #020       Recordkeeping.
        #021       Property Rights.
        #022       Alternative Operating Scenarios.

Section C. Site Level State Only Requirements C-I: Restrictions C-Il: Testing Requirements C-HI: Monitoring Requirements C-IV: Recordleeping Requirements C-V: Reporting Requirements C-VI: Work Practice Standards C-VII: Additional Requirements C-VIII: Compliance Certification C-DX: Compliance Sdcedule Section D. SourceLevel State Only Requirements D-I: Restrictions D-II: Testing Requirements D-Ill: Monitoring Requirements D-IV: Recordkeeping Requirements D-V: Reporting Requirements D-VI: Work Practice Standards D-VTI: Additional Requirements Note: These same sub-sections are repeated for each source! Section E. Source Group Restrictions E-1: Restrictions E-II: Testing Requirements Page 2

E-Ill: Monitoring Requirements E-TV: Recordkeeping Requirements E-V: Reporting Requirements E-VL- Work Practice Standards E-VIL Additional Requirements SectionF.. Alternative Operating Scenario(s) F-I: Restrictions F-lH: Testing Requirements F-il: Monitoring Requirements F-IV: Recordkeeping Requirements F-V: Reporting Requirements F-VI: -Work Practice Standards F-VII: Additional Requirements Section G. Emission Restriction Summary Section H. Miscellaneous Page 3

BIA AUIXILIARY BOILER A 168,000 MffBTU/HR 2,420.000 Gal/I-R #2 OIL B*IB AUXILLA.RY BOILER B 168.000 IMMBTU/FIR 2,420.000 Gal/HR #2 OIL FSP1 FIRE PUMP DIESEL 19,C00 Gal/HR #2 OIL FSP3 FIRE PUNT DIM-EL 19.000 Gal/HR #2 OIL T'II GASOLINE TANK, 1.0,000 GAL 500.000 Gal/HRK GASOLINE YIA EMERGENCY DIESEL GENERATOR 1A 2Q0.000 Gal/ERR #2 OIL YIB EMERGENCY DIESEL GENERLATOR IB 230,000 Gal/HR #2 OIL Y2. SECUJRITY UNINT. POWER GEN. 11.000 Gal/HIR #2 OIL YBA SUBSTN. EMI POWER GENT. 10.000 Gal/HR #2 OIL Y3B SUBSTN, EIvA POWER GEN., 10.000 Gal/HR #2 OIL Y4 STATION BLACKOUT DIESEL GEN. 2,30.000 Gal/HR #2. OIL PM02 BIA #2 OIL AUIIR OIE 6.00MBUH S1 STACK, AUX.BOILERS IA/IB 2,2000 Gl/R 2 I Sll STACK, SECURITY GEN. S12 STACK, SUBSTN. E GEN,.. 6.00MBt/ BiB -u AU TLARYBIE S13 STACK, SUBSTN. EM. GEN. 2,I0B0 Ga/H 2 I S14 STACK, FIRE PUNT 91_5 STACK, FIRE PUMP FPRO .FIRET7ACl~DEEL1.00GlHR#I S2 FSP3 STACK, IREPM ISL1.0 DI. GEN. EMIERGENCY a/R# S3 T11 GA~~SOLN1AK4 STACK, EMERGENCY 000GL50.0 DL GEN. a/RGSLN S4 STACK, STN. BLACKOUT GEN. PERMIT MAPS Page 4

                      *N           .1~
      .*-  .~
           .        -  PERMIT MATS PROC             A FSP3            S1 PROC      +       A PROC             A PROC           SA PROC          f.+TA1 Y3A             S2 Y3B             S4 PROC        FHA7C Page 5
#001         [25 Pa. Code § 121.1]

Definitions. Words and terms that are not otherwise defined in this permit shall have the meanings set forth in Section 3 of the Air Pollution Control Act (35 P.S. § 4003) and in 25 Pa. Code § 121.1.

#002         [25 Pa. Code § 127.4461 Operating Permit Duration.

(a) This operating permit is issued for a fixed term of five (5) years and shall expire on the date specified on Page I of this permit. (b) The terms and conditions of the expired permit shall automatically continue pending issuance of a new operating permit, provided the permittee has submitted a timely and complete application and paid applicable fees required under 25 Pa. Code Chapter 127, Subchapter I and the Department is unable, through no fault of the permittee, to issue or deny a new permit before the expiration of the previous permit.

  1. 003 [25 Pa. Code §§ 127.432,122.413,127.414,127.446 & ,127.703(b) &(c)]

Permit Renewal. (a) The permittee shall submit a timely and complete application for renewal of the operating permit to the appropriate Regional Air Program Manager. The application for renewal of the operating permit shall be submitted at least six (6) months and not more than 18 months before the expiration date of this permit. (b) The application for permit renewal shall include the current permit number, a description of any permit revisions that occurred during the permit term, and any applicable requirements that were promulgated and not incorporated into the permit during the permit term. An application is complete if it contains sufficieit information to begin processing the application, has the applicable sections completed and has been signed by a responsible official. (c) The permittee shall submit with the renewal application a fee for the processing of the application and an additional annual administrative fee as specified in 25 Pa. Code § 127.703(b) and (c). The fees shall be made payable to 'The Commonwealth of Pennsylvania - Clean Air Fund" and shall be for the amount specified in the following schedule specified in 25 Pa. Code § 127.703(b) and (c). (1) Three hundred dollars for applications filed during the 2000-2004 calendar years. (2) Three hundred seventy-five dollars for applications filed for the calendar years beginning in 2005. (d) The renewal application shall also include submission of proof that the local municipality and county, in which the facility is located, have been notified in accordance with 25 Pa. Code § 127.413. (e) The application for renewal of the operating permit shall also include submission of supplemental compliance review forms in accordance with the requirements of 25 Pa. Code § 127.412(b) and § 127.4120). (0 The permittee, upon becoming aware that any relevant facts were omitted or incorrect information was submitted in the permit application, shall promptly submit such supplementary facts or corrected information as necessary to address any requirements that become applicable to the source after the permittee submits a complete application, but prior to the date the Department takes action on the permit application.

  1. 004 [25 Pa. Code § 127.703]

Operating Permit Fees under Subchapter I. (a) The permittee shall pay fees according to the following schedule specified in 25 Pa. Code § 127.703(b): (1) Three hundred dollars for applications filed during the 2000-2004 calendar years. Page 6

(2) Three hundred seventy-five dollars for applications filed for the calendar years beginning in 2005. This fee schedule shall apply to the processing of an application for an operating permit as 'wellas the extension, modification, revision, renewal, and re-issuance of each opera tingpermit or part thereof. (b) The perndttee shall pay an annual operating permit administrative fee according to the fee schedule established in 25 Pa. Code § 127.703(c). (1) Two hundred fifty dollars for applications filed during the 1995-1999 calendar years. (2) Three hundred dollars for applications filed during the 2000-2004 calendar years. (3) Three hundred seventy-five dollars for applications filed duririg the years beginning in 2005. (c) The applicable fees shall be made payable to 'The Commonwealth of Pennsylvania - Clean Air Fund".'

 #005         [25 Pa. Code §§ 127.450 (a) (4) and 127.4641 Transfer of Operating.Permits.

(a) This operating permit may not be transferred to another person, except in cases of transfer-of-ownership that are documented and approved by the Department. (b).In accordance with 25 Pa. Code §.127.450(a)(4), a change in ownership of the source shall be treated as an administrative amendment if the Department determines that no other change in the permit is required.and a written agreement has been submitted to the Department identifyinrg the specific date of the transfer of permit responsibility, coverage and liability between the current and the new permittee and a compliance review form has .been submitted to, and the permit transfer has been approved by, the Department. (c) This operating permit is valid only for those specific sources and the specific source locations described in this permit.

#006         [2-5 Pa. Code § 127.441 and 35 P.S. § 4008]

Inspection and Entry. (a) Upon presentation of credentials and other documents as may be required by law, the permittee shall allow the Department or authorized representatives of the Department to perform the following: (1) Enter at reasonable times upon the permittee's premises where a source is located or emissions related activity is

  • conducted, or where records are kept under the conditions of this permit; (2) Have access to and copy,, at reasonable times, any records that are kept under the conditions of this permit; (3) Inspect at reasonable times, any facilities, equipment including monitoring and air pollution control equipment, practices, or operations regulated or required under this permit; (4) Sample or monitor, at reasonable times, any substances or parameters, for the purpose of assuring compliance with the permit or applicable requirements as authorized by the Clean Air Act, the Air Pollution Control Act, or the regulations promulgated under the Acts.

(b) Pursuant to 35 P.S. § 4008, no person shall hinder, obstruct, prevent or interfere with the Department or its personnel in the performance of any duty authorized under the Air Pollution Control Act or regulations adopted thereunder including denying the Department access to a source at this facility. Refusal of entry or access may constitute grounds for permit revocation and assessment of criminal and/or civil penalties. (c) Nothing in this permit condition shall limit the ability of the EPA to inspect or enter the premises of the permittee in accordance with Section 114 or other applicable provisions of the Clean Air Act Page 7

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  #007         [25 Pa. Code §g 127.441 & 127.444]

Compliance Requirements. (a) The permittee shall comply with the conditions of this operating permit. Noncompliance with this permit constitutes a violation of the Clean Air Act and the Air Pollution Control Act and is grounds for one or more of the following-(1) Enforcement action (2) Permit termination, revocation and reissuance or modification (3) Denial of a permit renewal application. (b) A person may not cause or permit the operation of a source which is subject to 25 Pa. Code Article III unless the source(s) and air cleaning devices identified in the application for the plan approval zird operating permit and the plan approval issued for the source is operated and maintained in accordance with specifications in the applications and the conditions in the plan approval and operating permit issued by the Department A person may not cause or permit the operation of an air contamination source subject to 25 Pa. Code Chapter 127 in a manner inconsistent with good operating practices. (c) For purposes of Sub-condition (b) of this permit condition, the specifications in applications for plan approvals and operating permits are the physical configurations and engineering design details which the Department determines are essential for the permittee's compliance with the applicable requirements in this State-Only permit. Nothing in this sub-condition shall be construed to create an independent affirmative duty upon the permittee to obtain a predetermination from the Department for physical configuration orengineering design detail changes made by the.

 #008         [25 Pa. Code §.127.441]

Need to Halt or Reduce Activity Not a Defense. It shall not be a defense for the permittee in an enforcement action that it was necessary to halt or reduce the permitted activity in order to maintain compliance with the conditions of this permit.

#009          [25 Pa. Code §§ 127.442(a) & 127.461]

Duty to Provide Information. (a) TIhe permittee shall submit reports to the Department containing information the Department may prescribe relative

          .to the operation and maintenance of eacfi source at the facility.

(b) The permittee shall furnish to the Department, in writing, information that the Department may request to determine whether cause exists for modifying, revoking and reissuing, or terminating this permit, or to determine compliance with the permit. Upon request, the permittee shall also furnish to the Department copies of records that the permittee is required to maintain in accordance with this permit.

#010          [25 Pa. Code § 127.461]

Revising an Operating Permit for Cause. This operating permit may be terminated, modified, suspended or revoked and reissued if one or more of the following applies: (1) The permittee constructs or operates the source subject to the operating permit so that it is in violation of the Air Pollution Control Act, the Clean Air Act, the regulations thereunder, a plan approval, a permit or in a manner that causes air pollution. (2) The permittee fails to properly or adequately maintain or repair an air pollution control device or equipment. attached to or otherwise made a part of the source. Page 8

(3) The permitte'e has failed to submit a report required by the operating permit or an applicable regulation. (4) The EPA determines that the permit is not i rcompliance with the Clean Air Act or the regulations thereunder.

   #011         [25 Pa. Co de §§ 127.450 & 127.462]

Operating Permit Mo difications (a) The permittee is authorized to make admir strative amendents, minor operating permit modifications and ' significant operating permit modifications, under this permit, as outlined below: (b) Administrative Amendments. The permittee shall make administrative operating permit amendments (as defined in 25 Pa. Code § 127.450(a)), according to procedures specified in § 127.450 unless precluded by the Clean Air Act or its regulations. (c) Minor Operating Permit Modifications. The permnittee shall make minor operating permit modifications (as defined 25 Pa. Code § 121.1) in accordance with 25 Pa. Code § 127.462. (d) Permit modifications which do not qualify as minor'permit modifications under 25 Pa. Code § 127.541 will be treated as a significant operating permit revision subject to the public notification procedures in §§ 127.424 and 127.425.

  #012        [25 Pa. Code   § 127.441]

Seyerability Clause. The provisions of th&i's permit are severable, and if any provision of this permit is determined by a court.of competent jurisdiction to b'e invalid or unenforceable, such a determination will not affect the remaining provisions of this permit.

  #013.       [25 Pa. Code § 127.449]

De Mfinimis Emission Increases: (a) This permit authorizes de minimis emission increases in accordance with 25 Pa. Code § 127.449 so long as the permittee provides the Department with seven (7) days prior written notice before commencing any de rnidnmis emissions increase. The written no tice shall: (1) Identify and describe the pollutants that will be emitted as a result of the de minimis emissions increase. (2) Provide emission rates expressed in tons per year and in.terms necessary to establish compliance consistent with

          'any applicable requirement.

(b) The Department may disapprove or condition de minimis emission increases at any time. (c) Except as provided below in (d), the permittee is authorized to make de minimis emission increases (expressed in tons 'per year) up to the following amounts without the need for a plan approval or prior issuance of a permit modification: (1) Pour tons of carbon monoxide from a single source during the term of the permit and 20 tons of carbon monoxide at the facility during the term of the permit. (2) One ton of NOx from a single source during the term of the permit and 5 tons of NOx at the facility during the term of the permit. (3) One and six-tenths tons of the oxides of sulfur from a single source during the term of the permit and 8.0 tons of oxides of sulfur at the facility during the term of the permit. (4) Six-tenths of a ton of PM0 from a single source during the term of the permit and 3.0 tons of PM10 at the facility during the term of the permit. This shall include emissions of a pollutant regulated under Section 112 of the Clean Air Page 9

Act unless precluded by the Clean Air Act, the regulations thereunder or 25 Pa. Code Article Il. (5) One ton of VOCs from a single source during the term of the permit and 5.0 tons of VOCs at the facility during the term of the permit. This shall include emissions of a pollutant regulated under Section 112 of the Clean Air Act unless precluded by the Clean Air Act, the regulations thereunder or 25 Pa. Code Article III. (6) Other sources and classes of sources determined to be of minor significance by the Department. (d) In accordance with § 127.14, the permittee is authorized to install the following minor sources without the need for a plan approval or permit modification: (1) Air conditioning or ventilation systems not designed to remove pollutants.generated or released from other sources. (2) Combustion units rated at 2,500,000 or less Btu per hour of heat input (3) Combustion units with a rated capacity of less than 10,000,000 Btu per hour heat input fueled by natural gas supplied by a public utility or by commercial fuel oils which are No. 2 or lighter, viscosity less than or equal to 5.82 c St, and which meet the sulfur content requirements of 25 Pa. Code §123.22 (relating to combustion units). For purposes of this permit, commercial fuel oil shall be virgin oil which has no reprocessed, recycled or waste material added. (4) Space heaters which heat by direct heat transfer. (5) Laboratory equipment used exclusively for chemical or physical analysis. (6) Other sources and classes of sources determined to be of minor significance by the Department. (e) This permit does not authorize de rninimis emission increases if the emissions increase would cause one or more of the following: (1) Increase the emissions of a pollutant regulated under Section 112 of the Clean Air Act except as authorized in Subparagraphs (c)(4) and (5) of tLhis permit condition. (2) Subject the fadlity to *theprevention of significant deterioration requirements in 25 Pa. Code Chapter 127, Subchapter D and/or the new source review requirements in Subchapter E. (3) Violate any applicable requirement of this permit, the Air Pollution Control Act, the Clean Air Act, or the regulations promulgated under either of the acts. (f Emissions authorized under this permit condition shall be included in the monitoring, recordkeeping and reporting requirements of this permit. (g) Except for de minimis emission increases, installation of minor sources made pursuant to this permit condition and Plan Approval Exemptions under 25 Pa. Code § 127.14 (relating to exemptions), the permittee is prohibited from making changes or engaging in activities that are not specifically authorized under this permit without first applying for a plan approval. In accordance with § 127.14(b), a plan approval is not required for the construction, modification, reactivation, ox installation of the sources creating the de mirdmis emissions increase. (h) The permittee may not meet de minimis emission threshold levels by offsetting emission increases or decreases at the same source.

  1. 114 [25 Pa. Code § 127.3]

Operational Flealbility. The permittee is authorized to make changes within the fadlitV in accordance with the reg-ulatory provisions outlined Page 10

in25 Pa. Code § 127.3 (relating to operational flexibility) to implement the operational flexibility requirements provisions.authorized under Section 6.1(i) of the Air Pollution Control Act and the operational flexibility terms and conditions of this permit The provisions in 25 Pa. Code Chapter 127 which implement the operational flexibility requirements include the following: (1) Section 127.14 (relating to exemptions) (2) Section 127.447 (relati.ng to alternative operating scenarios) (3) Section 127.448 (relating to emissions trading at facilities with Federally enforceable emissions caps) (4) Section 127.449 (relating to de midnimis emission increases) (5) Section 127.450 (relating to administrative operating permit amendments) (6)Section 127.462 (relating to minor ope~rating permit modifications) (7) Subchapter H (relating to general plan approvals and general operating permits)

 #015         [25 Pa. Code § 127.111 Reactivation (a) The perrnittee may not reactivate a source that has beenout of operation or production for at least one year unless the reactivation is conducted in accordance. with a plan approval, granted by the Department or in accordance with reactivation and maintenance plans developed and approved by tfhe Department in accordance with 25 Pa. Code § 127.11a(a).

(b) A source Which has been out of operation or production for more than five (5) years but less than 10 years may be reactivated and will not be considered a new source if the permittee satisifies the conditions specified in 25 Pa. Code § 127.11a(b).

#016         [25 Pa. Code § 127.36]

Health Risk-based Emission Standards and Operating Practice Requirements. (a) When needed to protect public health, welfare and the environment from emissions of hazardous air pollutants from new and existing sources, the permittee shall comp~ly with the health risk-based emission standards or operating practice requirements imposed by the Departmentj except as precluded by §§6.6(d)(2) and (3) of the Air Pollution Control Act [35 P.S. § 4006.6(d)(2) and (3)]. (b) A person challenging a performance or emission' standard established by the Department has the burden to demonstrate that performance or emission standard does not mreet the requirements of Section 112 ofthe Clean Air Act.

#017        [25 Pa. Code § 121.9]

Circumvention. No person may permit the use of a device, stack height which exceeds good engineering practice stack height, dispersion technique or other technique which, without resulting in reduction of the total amount of air contaminants emitted, conceals or dilutes an emission of air contaminants which would otherwise be in violation of 25 Pa. Code Article ID, except that with prior approval of the Department, the device or technique may.be used for control of malodors.

#018        [25 Pa. Code §§ 127.402(d) & 227.44.2]

Reporting Requirements. (a) The permittee shall comply with the applicable reporting requirements of the Clean Air Act, the regulations thereunder, the Air Pollution Control Act and 25 Pa. Code Article +/-I including Chapters 127, 135 and 139. Page 21

(b) The permittee shall submit reports to the Department containing information the Department may prescribe relative to the operation and maintenance of any air contamination source. (c) -Reports, test data, monitoring data, notifications and requests for renewal of the permit shall be submitted to the: Regional Air Program Manager PA Department of Environmental Protection (At the address given in the permit transmittal letter, or otherwise notified) (d) Any records or information including applications, forms, or reports submitted pursuant to this permit condition shall contain a certification by a responsible official as to truth, accuracy and completeness. The certifications submitted under this permit shall require a responsible official of the facility to certify that based on information and belief formed after reasonable inquiry, the statements and information in the documents are true, accurate and complete. (e) Any records, reports or information submitted to the Department shall be available to the public except for such records, reports or information which meet the confidentiality requirements of § 4013.2 of the Air Pollution Control Act and §§ 112(d) and 114(c) of the Clean Air Act. The permnitee may not request a claimnof confidentiality for any emissions data generated for the facility.

#019        [25 Pa. Code §§ 127.441(c) & 135.5]

Sampling, Testing and Monitoring Procedures. (a) The permittee shall comply with the monitoring, recordkeeping or reporting requirements of 25 Pa. Code Chapter 139 and the other applicable requirements of 25 Pa. Code Article MIand additional requirements related to monitoring, reporting and recordkeeping required by the Clean Air Act and the regulations thereunder including the Compliance Assurance Monitoring requirements of 40 CFR Part 64, where applicable. (b) Unless alternative methodology is required by the Clean Air Act and regulations adopted thereunder, samplin'g, testing and monitoring required by or used by the permittee to demonstrate compliance with any applicable regulation or permit condition shall be conducted in accordance with the requirements of 25 Pa. Code Chapter 139.

  1. 020 [25 Pa. Code §§ 127.441(c) and 135.52 Recordlceeping.

(a) The permittee shall maintain and make available, upon request by the Department, the following 'ecords of monitored information: (1) The date, place (as defined in the permit) and time of sampling or measurements. (2) The dates the analyses were performed. (3) The company or entity that performed the analyses. (4) The analytical techniques or methods used. (5) The results of the analyses.. (6) The operatirig conditions as existing at the time of sampling or measurement. (b) The permittee shall retain records of any required monitoring data.and supporting information for at least five (5) years from the date of the monitoring, sample, measurement, report or application. Supporting information includes the calibration data and maintenance records and original strip-chart recordings for continuous monitoring instrumentation, and copies of reports required by the permit. (c) The permittee shall maintain and make available to the Department upon request, records including computerized Page 12

records that may be necessary to comply with the r:eporting, recordkaeping and emission statement requirements in 25. Pa. Code Chapoter 135 (relating to reporting of sources). In acqordance with 25 Pa. Code Chapter 135, § 135.5, such records may include records of production, fuel usage, maintenance of production or pollution control equipment or other information determined by the Department to be necessary for identification and quantification of potential and actual air contaminant emissions. 4*C21 . [25 Pa. Code § 2.27.441(a)] Property Rights.

        ..This permit does not convey any property rights of any sort, or any exclusive privileges.

4t0322 [25 Pa. Code § 127.447] Alternative Opverating Scenarios. The permittee is authorized to make changes at the facility to implement alternative operating scenarios identified in this permnit in accordance with 25 Pa. Code § 127.447. Page. 23

I RESTRICTIONS. Emission Restriction(s).

   # 001       [25 Pa. Code §123.1]

Prohibition of certain fugitive emissions No person shall permit the emission into the outdoor atmosphere of any fugitive air contaminant from a source other than the following: (a) Construction or demolition of building or structure. (b) Grading, paving and maintenance of roads and streets. (c) Use of roads and streets. Emissions from material inor on trucks, railroad cars and other vehicular equipment are not considered as emissions from iuse of roads and streets. (d) Clearing of land. (e) Stockpiling of material. (f) Sources and classes of sources other than those identified above, for which the operator has obtained a determination from the Department, in accordance with 25 Pa. Code §123.1 (b), that fugitive emissions from the source, after appropriate control, meet the following requirements: (1) The emissions are of minor significance with respect to causing air pollution. (2) The emissions are not preventing or interfering with the attainment or maintenance of any a mbient air standard.

  # 002       [25 Pa. Code §123.2]

Fugitive particulate matter No person shall emit particulate matter into the outdoor atmosphere from a sourcespecified in Condition 4001 if the emissions are visible at the point the emissions pass outside the persons property.

  #003        [25 Pa. Code §123.31]

Limitations No person shall permit the emission into the outdoor atmosphere of any malodorous air contaminants from any source in such a manner that the malodors are detectable outside the property of the person on whose land the source.is being operated.

  # 004       [25 Pa. Code §123.41]

Limitations No person shall permit the emission into the outdoor atmosphere of visible air contaminants in such a manner that the opacity of the emission is either of the following: (a) Equal to or greater than 20 percent fora period or periods aggregating more than three minutes in any one hour. (b) Equal to or greater than 60 percent at any time.

  # 005      [25 Pa. Code §123.42]

Exceptions The emission limitation of 25 Pa. Code §123.41 shall not apply when: (a) The presence of uncombined water is the only reason for failure of the emission to meet the limitation. (b) The emission results from the operation of equipment used solely to train and test persons in observing the opacity of visible emissions. Page 14

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(c) The emission results from sources specified in Section C, Condition #001.

        # 006      [25 Pa. Code §127.441]

Operating permit terms ar.d conditions. The perrittee shall limit the facility emissions of the following pollutants at less than the quantity listed, based on a 12-month rolling total: (a) NOx - 100 tons (b) SOx- 100 tons (c) CO- 100 tons (d) PM- 100 tons (e) VOC - 50 tons (f) Hazardous air pollutants (HAPs) - . 25 tons combined (z) Anv single HAP - 10 tons II. TESTING REQUIREMENTS.

      # 007       [25 Pa. Code §127.441]

Operating permit terms and conditions. The Department reserves the right, to require exhaust stack testing of sources as necessarý during the permit term to verify emissions for purposes including permit condition violations, emission fees or malfunctioning. III. MONITORING REQUIREMENTS.

     #008         [25 Pa. Code §123.43]

Measuring techniques Visible air contaminants may be measured using either of the following: (a) A device approved by the Department and maintained to provide a ccurate opacity measurement. (b) Observers, trained and certified, to measure plume opacity with the naked eye or with the aid of any devices approved bv the Devartment.

     # 009       [25 Pa. Code §127.4-1]

Operating permit terms and conditions. The permittee shall conduct a weekly inspection around the periphery of the auxiliary boiler steam plant and the emergency & station-blackout diesel generators listed in Section D of this permit during daylight hours when the boilers and diesel generators are in production to detect fugitive visible emissions, visible emissions and malodorous emissions as follows: (a) The presence of fugitive visible emissions beyond the plant property boundaries; as stated in Section C, Condition #002. (b) The presence of malodorous air contaminants beyond the plant property boundaries as stated in Section C, Condition

    #003.

Page 15

II NO' (c) Visible emissions in excess of the limits stated in Section C, Condition #004. Visible emissions may be measured according to the methods specified in Section C, Condition #008, or alternately, plant personnel who observe such emissions may report the incidence of visible emissions to the Department within two hours of each incident and make arrangements for a certified observer to verify the visible emissions. IV. RECORDKEEPING REQUIREMENTS.

    # 010       [25 Pa. Code §127.441]

Operating permit terms and conditions. The permittee shall maintain and record monthly NOx, SOx and CO emissions emitted from the facility to demonstrate compliance with Section C, Condition #006.

    # 011       [25 Pa. Code §127.441]

Operating permit terms and conditions. The permittee shall maintain a logbook for recording status of malodorous air contaminants, visible emissions and fugitive visible emission exceedences. The logbook shall also include the name of the facility representative, and the date and time the monitoring was conducted and wind direction. V. REPORTING REQUIREMENTS.

    #012        125 Pa. Code §127.4422 Reporting requirements.

The permittee shall report malfunctions which occur at the facility to the Department. A malfunction is defined as any sudden, infrequent and not reasonably preventable failure of air pollution control equipment process equipment, or a process to operate in a normal or usual manner.

  • Failures that are caused in part by poor maintenance or careless operation are not malfunctions. Malfunctions shal be reported as follows:

(a) Malfunction which occur at the facility and which pose an imminent danger to the public health, safety, welfare and environment, shall be immediately reported to the Department by telephone. The telephone report of such malfunctions shall occur no later than two hours after discovery of the incident The permittee shall submit a written report of instances of such malfunctions to the Department within three (3) days of the telephone report. (b) Unless otherwise required by this permit, any other malfunction that is not subject to the reporting requirements of Condition #012 (a) above, shall be reported to the Department, in writing, within five (5) days of discovery of the malfunction.

    # 013       [25 Pa. Code §135.3]

Reporting An annual report containing information for all sources listed in this operating permit, new sources which were first operated during preceding year and sources modified during the same period shall be submitted to the Harrisburg District Supervisor. The report for January I through December 31 is due no liter than March I of the followink year. VI. WORK PRACTICE REQUIREMENTS.

    # 014       [25 Pa. Code §123.1]

Prohibition of certain fugitive emissions The permittee shall take all reasonable actions to prevent particulate matter from a source identified in condition #001 from becoming airborne, as per §§123.1 (c). These actions shall include, but are not limited to, the following: (a) Use, where possible, of water or chemicals for control of dust in the demolition of buildings or structures, construction operations, the grading of roads, or the clearing of land. (b) Application of asphalt, oil, water or suitable chemicals on dirt roads, material stockpiles and other surfaces which may give rise to airborne dusts. Page 16

(c) Paving and maintenance of roadways. (d) Prompt removal of earth or other material from paved streets onto which earth or other material has been transported by trucking or earth moving equipment, erosion by water, or other means. VII. ADDITIONAL REQUIREMENTS.

         #015       [25 Pa. Code §127.441]

Operating permit terms and conditions. [Additional authority for this permit condition is derived from RACT operating permit 22-2002] NOx emissions from Source IDa. BIA, BIB, YIA, YIB and Y4 shall be based on fuel usage on each source measured by separate flow meters (fuel usage for the Y4 may be based on ta.nk level measurement). NOx emissions from the rest of the sources maybe estimatedfrom operating hours, manufacturers' recommended fuel consumption (gallon per hour or grain per hp-hr); kilowatt hours and the day tank level measurement, as installed.

        # 016       [25 Pa. Code §12914]

Open burning operations (a) No person shall conduct open burning of materials in such a manner that: (1) The emissions are visible, at any time, at the point such emissions pass outside the property.of the person on whose land the open burning is being conducted. (2) Malodorous air contanrinants from the openburning are detectable outside the property of the person on whose land. the open burning is being conducted. (3) The emissions interfere with the reasonable enjoyment of life and property.. (4) The emissions cause damage to vegetation or property. (5) The emissions are or may be deleterious to human or animal health. (b) Exceptions. The requirements of Subsection (a) do not apply where the open burning operations result from: (1) A fire set to prevent or abate a fire hazard, when approved by the Department and set by or under the supervision of a public official. (2) Any fire set for the purpose of instructing personnel in fire fighting, when approved by the Department. (3) A fire set for the prevention and control of disease or pests, when approved by the Department. (4) A fire set solely for recreational or ceremonial purposes. (5) Afire set solely for cooking food. (c) This permit does not constitute authorization to burn solid waste pursuant to Section 610 (3) of the Solid Waste Management Act, 35 P.S. Section 6018.610 (3), or any other provision of the Solid Waste Management Act. VJIL COMPLLANCE CERTIFICATION. Page 17

                                                                        ,l~                 4., 1-No additional compliance certifications exist except as provided in other sections of this permit including Section B(relating to State Only General Requirements).

IX. COMPLIANCE SCHEDULE. No compliance milestones exist. Page 18

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Source ID: BlA Source Name: A.UAJLLRY BOILER A Source Capacity/Throughput: 268.000 MMBTU/ER

                                                                   .2,4*0.00   Gal/HR           #2 OIL Conditions for this source occur in the following gr6ups: 1
      *CU              AC 4,

PMO2-I. RESTRICT-IONS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). II. TESTING REQUIREMENTS. No additional testingxequirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/ot SectionE (Source Group Restrictions). III; MONITORING REQUIREMENTS. No additional monitoring requirements exist except as provided in o ther.sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). IV. RECORDKEEPING REQUIREMENTS. No additional record keeping requirements exist except as provided in other sections of this permit induding'Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). V. REPORTING REQUIREMENTS. No additional reporting.requirements exist exceptas provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VI. WORK PRACTICE REQUIREMENTS. No additional work practice requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VII. ADDITIONAL REQUIREMENTS. No additional requirements exist except as provided in other sections'of this permit including Section B (State Only General Requirements) and/or Section t (Source Group Restrictions). Page 19

Source ID: BIB Source Name: AUXILIARY BOILERB Source Capacity/Throughput: 168.000 MNMBTU/HR 2,420.000 Gal/HR #2 OIL Conditions for this source occur in the following groups: 1 I. RESTRICTIONS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). II. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in o ther sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). 11.I MONITORING REQUIREMENTS. No additional monitoring requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section B (Source Group Restrictions). IV.. RECORDKEEPING REQUIREMENTS. No additionil record keeping requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). V. REPORTING REQUIREMENTS. No additional reporting requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VI. WORK PRACTICE REQUIREMENTS. No additional work practice requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VII. ADDITIONAL REQUIREMENTS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). Page 20

Source ID: FSP1 Source Name: FIRE PUMP DIESEL Source Capacity/Throughput 19.000 Gal/HR #2 OIL Conditions for this source occur in the following groups: 3 I. IESTRICTIONS.. No additional requirements exist except as provided in other sections of this permit including Section B (State Only'General Requirements) and/or Section E (Source Group Restrictions). Ii. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). IIl. MONITORING REQUIREMENTS. No additional monitoring requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or.Section E (Source Group Restrictions). IV. RECORDKEEPING REQUIREMENTS. No additional record keeping requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). Y. REPORTING REQUIREMENTS. No additional reporting requirements exist except as providedin other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VI. WORK PRACTICE REQUIREMENTS. No additional work practice requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E(Source Group Restrictions). VII. ADDITIONAL REQUIREMENTS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). Page 21

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  • q Source ID: FSP3 Source Name: FIRE PUMP DIESEL Source Capacity/Throughput 19.000 Gal/HR #2 OIL-Conditions for this source occur in the following groups: 3

[Fi-] STAC FSj 4 S15 I. RESTRICTIONS. No additional requirements exist except as provided in other sections'of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). IL TESTING REQUIREM ENTS. No additional testing requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). .III. MONITORING REQUIREMENTS. No additional monitoring requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements).and/or Section E (Source Group Restrictions). IV. RECORDKEEPING REQUIREMENTS. No additional record keeping requirements exist except as provided in other sections of this permft including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). V. REPORTING REQUIREMENTS. No additional reporting requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VI. WORK PRACTICE REQUIREMENTS. No additional work practice requirements exist except as provided in other section's of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VII. ADDITIONAL REQUIREMENTS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). Page 22

                 * . .    .   .       ,                .      ~      E.~G~LHP~IL                               p       LMS Source ID: TII                   Source Name: GASOLINE TANK, 10,000 GAL Source Capacity/Throughput'               500.000 Gal/HR            GASOLINE I.   . RESTRICTIONS.

No additional requirements exist except as provided in other sections of this permit including Section B (State Only General-Requirements). II. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements). III. MONITORING REQUIREMENTS. No additional monitoring requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements). IV. .RECORDKEEPING REQUIREMENTS. No additional record keeping requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements). V.. REPORTING REQUIREMENTS. No additional reporting requirements exist except as provided in other sections of this permit including'Section B (State Only General Requirements). WI. WORK PRACTICE REQUIREMENTS.

       # 001        (25 Pa. Code §129.57]

Storage tanks less than or equal to 40,000 gallons capacity containing VOCs Gasoline Tank TII shall have a pressure relief valve which is maintained in good operating condition and which is set to release at no less than 0.7 p'sig (4.8 kilopascals) of pressure or 0.3 psig (2.1 kilopascals) of vacuum or the highest possible pressure and vacuum in accordance with state or local fire codes or the National Fire Prevention Association guidelines or other national consensus standards acceptable to the Department. VII. ADDITIONAL REQUIREMENTS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements). Page 23

Source ID: YIA Source Name: b*MRGENCY DIESEL GENERATOR 1A Source Capacity/Throughput: 230.000 Gal/HRf " #2 OIL Conditions for this source occur in thefollowing gropps: 2

1. RESTRICTIONS.

No additional requirements exist except as providedin other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). I1. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictibns). IIl. MONITORING REQUIREMENTS. No additional monitoring requirements exist except as provided in other sections 6f this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). IV. RECORDKEEPING REQUIREMENTS. No additional record keeping requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/oir Section E (Source Group Restrictions). V. REPORTING REQUIREMENTS. No additional reporting requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VI. WORK PRACTICE REQUIREMENTS. No additional work practice requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VII. ADDITIONAL REQUIREMENTS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). Page 24

P4~.~~? ',2RENER~COfi~fL Source ID: YlB Source Name: EMERGENCY DIESEL GENERATOR 1B Source Capacity/.Throughputt: 230.000 Gal/HR #2 OIL Conditions for this source occurin the following groups: 2

                 +.                                                .PRC I. RESTRICTIONS.

No additi6nal requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions), II. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in other sections of this permit including Section B (State Only' General Requirements) and/or Section E (Source Group Restrictions). Ull. MONITORING REQUIREMENTS. . No additional monitoring requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/orSection E (Source Group Restrictions). .

  • IV. RECORDKEELING REQUIREMENTS.

No additional record keeping requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). V. REPORTING REQUIREMENTS. No additional reporting requirements exist except as provided in other sections of this permit induding Section B (State Only. General Requirements) and/or Section E (Source Group Restrictions). VI. WORK PRACTICE REQUIREMENTS. No additional work practice requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VII. ADDITIONAL REQUIREMENTS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). Page 25

Source ID: Y2 Source Name: SECURITY UNINT. POWER GEN. Source Capacity/Throughput: 11.000 Gal/HR #2 OIL Conditions for this source occur in the following groups: 3 I. RESTRICTIONS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). II. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in.other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). III. MONITORING REQUIREMENTS. No additional monitoring requirements exist except as provided in other sectionsof this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). IV. RECORDKEEPING REQUIREMENTS. No additional record keeping requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). V. REPORTING REQUIREMENTS. No additional reporting requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VI. WORK PRACTICE REQUIREMENTS. No additional work practice requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VII. ADDITIONAL REQUIREMENTS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section F (Source Group Restrictions). Page 26

Source ID: Y3A Source Name: SUBSTN. EM. POWER GEN,

                               -Source Capacity/Throughput              20.000 Gal/HR"          #2 OIL Conditions for this source occur in the following groups: 3 PROC 4E7 Y3A           S12 I. RESTRICTIONS.

No additional requirements exist except as provided in other sections of this permit including Section B.(State Only General Requirements) and/or Section B (Source Group Restrictions). II. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in other sectiois of this permit including Section B (State Only General Requirements) and/or Section E (Source Groiip Restrictions). III. MbONITORING REQUIREMENTS. No additional monitoring requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section.E (Source Group Restrictions). IV.. RECORDKEEFING REQUIREMENTS. No additional record keeping requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). V. REPORTING REQUIREMENTS. No additional reporting requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VI. WORK PRACTICE REQUIREMENTS; No additional work practice requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VII. ADDITIONAL REQUIREMENTS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). Page 27

Source ID: Y3B Source Name: SUBSTN. EM, POWER GEN. Source Capad ty/Throughput 10.0( O0 Gal/HR #2 OIL Conditions for this source occur in the following groups: 3 Y313 S13 I. RESTRICTIONS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). II. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). I11. MONITORING REQUIREMENTS. No additional monitoring requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). IV. RECORDIKEEPING REQUIREMENTS. 2

  • No additional record keeping requirements exist except as provided in other sections of this permit including Section B (State
  • Only General Requirements) and/or Section E (Source Group Restrictions).

V. REPORTING REQUIREMENTS. No additional reporting requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section B (Source Group Restrictions). VI. WORK PRACTICE REQUIREMENTS. No additional work practice requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VII. ADDITIONAL REQUIREMENTS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). Page 28

v~ IN Source ID: Y4 Source Name: STATION BLACKOUT DIESEL GEN. Source Capacity/Throughputi 230.000 Gal/HR #2 OIL Conditions for this source occur in the following groups: 2 I. RESTRICTIONS.

      'No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section B (Source Group Restrictions).

II. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Grouip Restrictions). Il. MONITORING REQUIREMENTS. Noadditional monitoring requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). IV. RECORDICEEPING REQUIREMENTS. No additional record keeping requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). V. REPORTING REQUIREMENTS. No additional reporting requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). VI. WORK PRACTICE REQUIREMENTS. No additional work practice requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section B (Source Group Restrictions). VII. ADDITIONAL REQUIREMENTS. No additional requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements) and/or Section E (Source Group Restrictions). Page 29

N~- MIN~i fA~S

                   ~.2
                   -51      f.p 10  !R     "Nj~   ~                 ~ ~    '-~_

Group Name: .1 Group

Description:

boilers Sources included in tdis gToup: BIA AUXILIARY BOILER A BIB AUXILIARY BOILER B I. RESTRICTIONS. Emission Restriction(s).

        #001        [25 Pa. Code §123.11]

Combustion units No person shall permit the emission into the outdoor atmosphere of particulate matters from each of the boilers in excess of the rate determined by the following formula,'as per §123.11(a)(2). A =3.6 E-0.56 (Note: 3.6 times E raised to the power -0.56) fWhere: A Allowable emissions in pounds per million btus of heat input, and E Heat Input to the Boiler in million of btu per hour, when E is equal to or greater than 50 but less than 600z

       #002         [25 Pa. Code §123.22]

Combustion units No person shall permit the emission into the outdoor atmosphere of sulfur oxides, expressed as SO2, from each of the boilers, in excess of 4 pounds per million btu heat input over any one hour period, as per §123.22(a)(1).

       # 003       [25 Pa. Code §127.441]

Operating permit terms and conditions. The permittee shall limit the sulfur content in the #2 Oil combusted in the Boilers to 0.5 percent, weight basis. II. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements).

11. MONITORING REQUIREMENTS.
       # 004      [25 Pa. Code §127.441]

Operating permit terms and conditions. The permitteeshall monitor sulfur content of #2 oil by conducting fuel analysis or as per the fuel suppliers certification for each shipment of oil, or one sample per day per vendor. IV. RECORDKEEPING REQUIREMENTS.

       # 005      [2P Pa. Code §127.441]

Operating permit terms and conditions. [Additional authority for this permit condition is derived from RACT operating permit 22-2002] For each source listed above, separate monthly records of fuel consumption and operating hours shall maintained for each calendar vear (January I through Decembei 31). Page 30

6 ,.. . , , ..,2",,

                                                                            . ',. "I.,. .. .    ,    ..            A:
                 .,                                                       +-.,+                                   .+.
       # 006      [25 Pa. Code §127.441]

Operating permit terms and conditions. (a) The permittee shall maintain comprehensive and accurate record of the following: (1) Boiler operating hours both on a monthly and calendar year basis. (2) Amount of fuel consumed both on a monthly and calendar year basilsfor each boiler and facility. (3) Fuel analysis including the heating value in btu/lb. (4) Sulfur content of fuel as stated above Condition #004. (b) The permittee shall maintain a.logbook, and keep a record of annual adjustmeent and maintainence. (c) The record shall be made available to the Department representative upon request. V. REPORTING REQUIREMENTS.

      # 007"     [25 Pa. Code §127.441]

Operating permit terms and c6nditions. In conjunction with Section C, Site Level Condition #010, the permittee shall submit the following annual report to the Harrisburg District Supervisor, Southcentxal Regional Office, by March 1 of the following year: (a) Annual record of #2 Oil usage in each boiler. (b) Annual record of the boilers operating hours. (c) Annual NOx, SOx, VOC and particulate matter emissions. VI. WORK PRACTICE REQUIREMEUNTS. No additiohal work practice requirements exist except as provided in other sections of this permit including Section B (State Only General.Requirements). VII. ADDITIONAL REQUIREMENTS.

     # 008      [25 Pa. Code §127.4411 Operating permit terms and conditions.

NOx emissions from the Sources listed in Section E, Group I may be calculated using the emissions factors listed in AP-42.

    # 009       [25 Pa. Code §127.441]

Operating permit terms and conditi~os. Emission restrictions listed above Conditions #001 and #002 may not apply during the start-up and shut down, subject to maximum one hour at a time during each start-up and each shut down. Page 31

ON*.W ItN - 'M Group Name: 2 Group

Description:

large diesel engine-generators SO urces includee in rms group: YIA ENMERGENCY DIESEL GENERATOR 1A Y1B EORGENCY DIESEL GENERATOR 1B Y4 STATION BLACKOUT DIESEL GEN. I. RESTRICTIONS. Emission Restriction(s).

      # 001      125 Pa. Code §123.13]

Processes No person shall permit the emission into the outdoor atmosphere of particulate matter from each of the emergency diesel. generators in a manner that the concentration of particulate matter in the effluent gas exceeds 0.04 grain per dry standard cubic foot, as per §123.13(c)(1)(i).

      # 002      [25 Pa.-Code §123.21]

General No person shall permit the emission into the outdoor atmosphere of sulfur oxides from each of the emergency diesel generators in a manner that the concentration of sulfur oxides, expressed as SO2, in the effluent gas exceeds 500 parts per million, by volume, dry basis, as per §12321(b). II. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements). II. MONITORING REQUIREMENTS. No additional monitoring requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements). IV. RECORDiCEEPING REQUIREMENTS.

      # 003     125 Pa. Code §127.44*1]

Operating permit terms and conditions. [Additional authority for this permit condition is derived from RACT operating permit 22-2002] For each source listed above, separate monthly records of fuel consumption, operating hours and kilowatt hours generated shall be maintained for each calendar year CJanuary I through December 31). V. REPORTING REQUIREMENTS. No additional reporting requirements exist except as provided in other sections of this permit including Section B(State Only General Requirements). VI. WORK PRACTICE REQUIREMENTS. No additional work practice requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements). VII. ADDITIONAL REQUIREMENTS.

      # 004     [25 Pa. Code §127.4411 Operating permit terms and conditions.

NOx emissions from the sources listed in Section E, Group 2 may be calculated using the emissions factors listed in AP-42. Page 32

0I r

 #005       [25 Pa. Code §127A41           .

Operating permit terms and conditions. .Emission restrictions listed above Conditions #001 and #002 may not apply during the start-up and shut down, subject to maximum one hour at a time during each start-up and each shut down associated with equipment production runs. Subject to notification to and approval by the Department, a waiver may be applied to required equipment .operability and post-maintenance testine. Page 33

Group Name: 3 Group

Description:

misc. diesel engine primemovers, gen./pump/comp. Sources included in this group: FSPI FIRE PUMP DIESEL FSP3 FIRE PUMP DIESEL Y2 SECURITY UNINT. POWER GEN. Y3A. SUBSTN. EMv.POWER GEN. Y3B SUBSTN. EIM POWER GEN. I. RESTRICTIONS. Emission Restriction(s).

      #001        [25 Pa. Code §123.13]

Processes No person shall permit the emission into the outdoor atmosphere of particulate matter from a source, at any time, in a manner that the concentration of particulate matter in the effluent gas exceeds 0.04 grain per dry standard cubic foot, as per

     §123.13(c)(1)(i).
      # 002       [25 Pa. Code §123.211 General No person shall permit the emission into the outdoor atmosphere of sulfur oxides from each of the sources listed above in a manner that the concentration of sulfur oxides, expressed ýas SO2, in the effluent gas exceeds 500 parts per million; by volume, dry basis, as per §123,21(b).

II. TESTING REQUIREMENTS. No additional testing requirements exist except as provided in other sections of this permit including Section 1 (State Only General Requirements). Ifl. MONITORING REQUIREMENTS. No additional monitoring requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements). IV. RECORDICEEPING REQUIREMENTS.

      # 003      [25 Pa. Code §127.441]

Operating permit terms and conditions. [Additional authority for this permit condition is derived from RACT operating permit 22-2002] The monthly record of fuel usage may be grouped together and maintained for each calendar year (anuary I through december 31). V. REPORTING REQUIREMENTS. No additional reporting requirements exist except as provided in other sections of this permit including Section B (State Only General Requirements), VI. WORK PRACTICE REQUIREMENTS.

      # 004      [25 Pa. Code §129.931 Presumptive RACT emission limitations Sources listed in Section E, Group 3 are subject to presumptive FACT, the presumptive emission limitations are the maintenance and operation of each one of the sources in accordance with -the manufacturer's specifications.

Page 34

VI*. ADD ONAL REQUIREMENTS. No additional requirements exist except as provided in other sections of this,permit including Section B (State Only General Requirements). Page 35

'I - -. v..&cvuoa29Vi~JX# 4 /r;F ~ ~ ~ :Jf~~ ~ ~ ~WT LEAR~SX~~~" A .. 4 No Alternative Operations exist for this State Only facility. Page 36

. I

      &2A0A 9
                .. ¶F.41..k
                   ~ ~, ,1 -r~'$p' ~ ~i-' ~ -. *.~. -~. ~       u2zLNi~btNm(uY        EJyIILB7S~    .;c??~wbrw.:a5p.. -n~;w¶ ~. -
   ~: U~V?   If~-np      4~mv RRfIMI<
                                                              ~tJ~%¶U~Vr ~%'t imtrnt
                                                                               ~  ~S      'uI.H~ .kt&.i  .L'V No emission restrictions listed in this section of the permit.

Page 37

    "     ,*, .*,uoO529*r.~.-   :.***i   ,.*:':*,j.    "          ,*(~i*O..*E*              ...   'L D.'S.L. . C "
#001 This permit incorporates the conditions and operating requirements of the FACT Operating Permit number 22-M002.
#002 The following sources do not require any work practice standards or testing, monitoring, recordkeeping and reporting requirements:

(a)* Three air compressors, engine driven, fired with #2 Oil, each engine of capacity less than 20 hp. (b) Turbine Plant: vents and condenser off-gas. . (c) Turbine oil vapor extractor, and 15,000 gal turbine lubricating oil storage tank. (d) Storage Tanks for water, and various water /waste water treatment chemical storage tard .- ~

TM:::* 1<-.B:.: 2r-a D007 2 Hours i:n Periiod: Ho0u.rS' Hours P..*a rmet*e* Unis Ulev MiEA MINI MA Masn ValidI

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                                        ...Routine                 lsland Site Miie.:*Visitation     .!Log-Date'-'          -6 8egin:.LEST, r-1 Operation of data logger ....                         KE       Li Heater. System Operationat (Oct-Apr)               YES        EL                                                  ".-;

AivrCond.:System Operational (tMay-Sep)- 0ýE YES: A Readings (Taken at '--: - EST) SPEED DIRECTION TIEMP 33 ft . SPEED DImph - ,. ~ 8 Readihg (Taken at'EST) SPEED DIRECTION, TEMP: AT? 33fL 100 ft. ___mph 150 ft. -1.0 'F rDo eed and D.irectin lvalUes agree :with visuaIl indicltionsl? Yes C Ues C ________________ Rain gauge check made at. '1:ESTI No rain gauge check made due to precipitation Psychrometer Measurement Reading (Taken at Pýo*;q

                                                            .3i          EST)::

Dry -F.ulb. COMMENTS, Muni Tee~c~ &'IWlin ri~ Sieh A Patm JIIfSbo?2 87 9390

C 0,ttrac, z G'72 _uhe 7106 TreMie' Islatnd M~t~o'rol<ogical 'Calibration R-24 Pade I of 8:

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SidnalýCond itioner Vfaa u Recorder Specifications AF: A LEUV AF .U L: ~ond Recorder TZEROý V __32 .2.57WV+/- 0,050V. T SPAN 6d _ 0__v 4,643V 4- 0-05V WS ZERO-02ýV, ______V m.,.-phph ph :O,'QDOV+/-.0:025V.,. -AL EQUIV +/- mph: WvS: SPA!~ ___V ~Jnh pmhL mp 4z262V .0 025V ALEQUIV*>lmph VWD2ERO 00 -~V: .  :: " WOb SPAN -.5ob ,-5.O009V O.OV'0 AL EOUIV+/-t 215~ ooooV "t:0:02v,,. AL EQUIV + Imph-* WS SPAN..*L2:L 'A~i V~Q mphmph rmph 4,262V +/- O25V'- .AL EQUIV*lmph WVD ZERO~V - v £320 75L. 0.000 t :0- O0V AL EUJV.V 2.5*

WO SPAN .5.oDV +/-o0.1oV AL.EQUIV. 2.5 AT: ZEROI.#3i-V 2 j vl j 1.429V +/- 0 050V, AT SPAN o~v? s5.oooV+/- ,O5OV T ZERO&)ý275ZV 2.571 V.+/-:Q0 50V T SPANJ`ý//_ V 4;643V 0.050V
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                                                                                                                             .Page 2 of 8
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33. ... * .150ft..

Aspirators.' . - . Operation of Rain Gauge: .: Debris screen: In: Ut :r. 'ns . .Rem.oved Tower Condiin Good Fair PoOr Pain -. ..

                                                                      --Guy wire tehSion
                                                                                                           ~z/u        7:

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                                                        'Signature  _____________

m iurnf r 1,10. J.i R'24 Page 7 VS System Response Check'.: Date :o - SSite: TMI System, Process Computer-.' AO992-A0995 A0992 I A0993 A0994 Low Scale.Check A09wI 50-33L",T 1oob.ws I .00'wo1 33!T Expected SRes.ponse 6 +/-0.4 f:O2 F . - As Found AResponse As:uleft RespOnse

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Murrayj &7)ette/,h. ofilrs Burk a DriL'e,.SutliA I'thwt ojhais-60067 9 (847)j9t63-900

                                                                                                                                                                    .      "p,
                                                                                                                                                                            .. I ..o :         *0 .   ."

Checklist.; Murray & Trettel Met. Tower.Calibratiobn for.TMI *:"" ":. :*,..  :- .. :'i.: -.. '.':'- Page is.)'8 of (initial all steps upon completion). . .Per Ui.site$-

                       'Notify the Cheemistry. Repthat M&T.personnel.are arivin (on-siteand instruct to take the workord.er to                           in.-prog-After. going the Gate 20. ensure the gate is locked to maintain:Site access control Contact Control Room SLipprvisor to inform that the Met Tower .C.a!ibrat(ion will commrnencand' the-tower is OOS.(X8071) Tell theCntrolRoom-that *poradic alarms may be received throughout theev0olutib:i.
,*              :4)

Enswre the proIper, PP.IE.is:a.*ailable and ingood r6onditio. (Fil7 Piotection6equipment, etc.,.-

5) representative The::Site:hard glovies, will perfomrma prep-job brief using HU-1AA-121;,"

thats. safety;.gla&ses:." . .... Brief.shall: include discussion of appmpripte safety precautionsincudingq, fall protection, use of

4*-':..,
                                                                                                                                                                                                                    ;i*i:]i:iii';

Procedurev

                      ....Perfoirm :calibration of-the.'A::sensors arnd record the data lAW M&T procedure P.1009.:

2)` Perfo rm calibration .of the.!B. sensors andrecord the-data ;AW fM&T procedure P.109 VJ'2 s-sb an-ecr the,' R-turrinqerMO Iwc a.mc .- e:, ... VI Enur th~otro Rom indications; are selected to the,'A Processor.Rack.:: ___.' _:_ 2) Ensure-all -processor switches are! in-the-"a*O mode and.the red 'OPS' light is off, The wind directioniightmay :be on depending0 n the: actualwind S.direction. tlhisjs acceptable. -. - .

3) Crompare parameter. values foury:tw'odiffere4ntS. minute avrqegomnthe (15minute ncomputer averagv btaine ckingg n Opions then on AV): ".ki  :
4) Vaerifyalaceptane reria eet has been met, eo discrepancies"and comments on ti. he a se."frda>No.if: h Chemistry contact for any COS e0qu"p' ent or delicinies.
                 / 5)Peview the data sheets for comrpleteness                  -           -     -'       -

1.J2 6)" IF all:required .acceptanc criteriaa renh 6tify the t.o met ~t the met tower, i]sreturnoed to sv*e* tRooomSupevis*b . V'* 7) Ensure the heeling & ventilation syatem'is operaling"urri off Ihe shack light-and*lock the shack door, Ensure Gate 20 is locked.:

8) Notify.theChelistry Rep hat"the work order may closed out in PIM Be All acceptance cri asare met an isre return to service: (M&T Rep) - Date, R.

ti t6aooFrst Bank Dribic, Suit C-A Prinew lir of: rw7 (847).963-9'00

Exelon Contract Number;:.80633 Alý Equipment - intenaince Log 7O6i R-24

                                                                    'Field ýWork                                             'ýek Site,._           __    _

Weekend IHoliday W P.ge6... Of Reason JOT work/Nifi~fPolem ~ '- ýJ Work, Performed Acthop taken'.- ) 7 i tU-- > ~ ' 1'.'r-

               ~~5 }~~e- --ý 4 i~~.               :1 '                                                  __    _   _   __         _    _   __        _   _  __     _   _   _

Measur(n4 Test Euttioment Used' ______________________________________ Unit SN_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 01 I]eDairtd pleted w] Yes t ` 13o[ Work omp~id yes.N

                            ~Q3. ~ o~ j                                          -              0    V!0isbly mýonitqrlfog wvaning signs BiLabbf;
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a,__ V.6f7 Travel /XL 7)ý9.

                                                                                       -1 c4/c Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station October 2007 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mtweathercommand.com web: http://www.weathercommand.com For Exelon Use Only Reviewed By:

Date: J*//4 Q! L Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Table of Contents Section Description Paae 1 Station Action Items ........................................................ 1 2 Equipment Maintenance .............................................. 1 3 Data Recovery Summary ........................................... 2 4 Summary of Billings ..................................................... 4 5 Data Analysis .............................................................. 5 6 Computer Processing .................................................. 5 7 Annual Report Preparation .......................................... 5 Murray & Trettel, Inc. 6o0 FirstBank Drive,Suite A Palatine,Illinois 60067 (847)963-9000

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported
2. Equipment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 2 nd of October. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

In-house on the 4 1h, three wind speed sensors were calibrated and given new bearngs. In-house on the 46th, three wind direction sensors were calibrated and given new bearings. On the 9 th, a request was made for a technician to be present at the met tower for the addition of an alternate power source inside of the shelter. Upon arrival at the site, the technician was notified that the power source would not be added and his support would not be needed. On the 2 2 nd, the data logger was unreachable by modem. A technician investigated and found the power inside of the shelter to be off. The plant was contacted and power was restored. This allowed the data logger to function properly. On the 2 5 th, the rain gauge was not reporting precipitation. A technician cleaned out the rain gauge to restore proper operation. No other problems were encountered with the equipment during October, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9ooo

3. Data Recovery The record of data recovery for the year through October is summarized in Table 1.

Table I Three Mile Island A Data Recovery Summary October 2007 Hours in Month = 744 Hours to date = 7296 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs Hrs  % Hrs  % 10OFt Wind Speed 722 97.0 22 3.6 7205 98.8 91 5.5 150Ft Wind Speed 722 97.0 22 3.4 7231 99.1 65 5.2 10OFt Wind Direction 722 97.0 22 3.6 7185 98.5 I11 21.9 150Ft Wind Direction 722 97.0 22 3.5 7228 99.1 68 5.4 33Ft Temperature 722 97.0 22 100.0 7195 98.6 101 15.3 15OFt Temperature 722 97.0 22 3.0 7208 98.8 88 12.4 150Ft-33Ft Delta-T 722 97.0 22 100.0 7189 98.5 107 15.3 3Ft Precipitation 686 92.2 58 8.1 7158 98.1 138 6.1 A V E R A G E

  • 97.0 98.8
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary October Year to Date Three Mile Island A 0 11 All Exelon Sites 22 197 Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 6oo67 (847) 963-9000

3. Data Recovery The record of data recovery for the year through October is summarized in Table 1.

Table I Three Mile Island B Data Recovery Summary October 2007 Hours in Month = 744 Hours to date = 7296 Hours in year = 8760 This Mont th Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs  % Hrs  % Hrs  % 100Ft wind Speed 722 97.0 22 3.6 7194 98.6 102 6.2 10OFt Wind Direction 722 97.0 22 3.6 7176 98.4 120 6.0 33Ft Temperature 722 97.0 22 3.0 6991 95.8 305 35.6 150Ft Temperature 722 97.0 22 3.0 7167 98.2 129 12.7 150Ft-33Ft Delta-T 722 97.0 22 3.0 6977 95.6 319 35.7 A V E R A GE

  • 97.0 97.3
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary October Year to Date Three Mile Island B 0 39 All Exelon Sites 22 197 Murray & Trettel, Inc. 600 FirstBank Drive,Suite A Palatine,Illinois 60067 (847) 963-9000

4. Summary of Billings for Equipment Repairs. Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Agreement - October 2007 Three Mile Island Description Cost Meteorological equipment maintenance $ 1,434.20 Meteorological parts, materials & contractors services $ 192.50 Total for Month: $ 1,626.70 Year to Date Total: $ 7,652.01 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction, ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks,-and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based On the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes.

Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine, Illinois 6o067 (847) 963-9000

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XI1 /6 Monthly Report on the Meteorological Monitoring Program at the Three Mile Island Nuclear Station November 2007 prepared for Exelon Nuclear Warrenville, Illinois 60555 by Murray and Trettel, Incorporated 600 First Bank Drive, Suite A Palatine, Illinois 60067 (847) 963-9000 e-mail: mt*(.weathercommand.com

                        *web: http://www.weathercommand .com Reviewed Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Table of Contents Section Description Page 1 Station Action Items ......................... ............................ 1 2 Equipment Maintenance .............................................. 1 3 Data Recovery Summary ........................................... 2 4 Summary of Billings .......................... 4 5 Data A nalysis ............................................................. 5 6 Computer Processing .................................................. 5 7 Annual Report Preparation ......................................... 5 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 6oo67 (847) 963-9000

1. Three Mile Island Station Action Items Pending Action Items Problem Recommended Solution Date*
  *date Exelon was notified of problem or date of Monthly Report where problem was first reported 2; Equipment Maintenance at Three Mile Island A regular scheduled visit to inspect the equipment was made on the 1" of November. The Routine Site Visitation Log, a record of existing onsite conditions, was completed during the visit. A copy of this log is included in this report.

On the 1 3 th, the precip gauge was reading high amounts of precipitationm Spider nests were removed from the gauge to restore proper operation. No other problems were encountered with the equipment during November, and at the end of the month, there were no problems evident at the site. Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through November is summarized in Table 1.

Table I Three Mile Island A Data Recovery Summary November 2007 Hours in Month = 720 Hours to date = 8016 Hours in year = 8760

        --------------------------              Th-s-Month                                         --------------------------

This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs  % Hrs  % Hrs  % 10OFt Wind Speed 719 99.9 1 0.3 7924 98.9 92 5.0 15OFt Wind Speed 719 99.9 1 0.4 7950 99.2 66 4.8 lOOFt Wind Direction 719 99.9 1 0.3 7904 98.6 112 20.0 15OFt Wind Direction 719 99.9 1 0.6 7947 99.1 69 5.0 33Ft Temperature 718 99.7 2 1.4 7913 98.7 103 14.0 15OFt Temperature 718 99.7 2 0.3 7926 98.9 90 11.3 150Ft-33Ft Delta-T 718 99.7 2 1.4 7907 98.6 109 14.1 3Ft Precipitation 699 97.1 21 3.1 7857 98.0 159 5.8 AVERAGE----------------- A VE RAG0E

  • 99.8 98.9
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary November Year to Date Three Mile Island A 0 11 All Exelon Sites 18 215 Murray & Trettel, Inc. 600 FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

3. Data Recovery The record of data recovery for the year through November is summarized in Table 1.

Table I Three Mile Island B Data Recovery Summary November 2007 Hours in Month = 720 Hours to date = 8016 Hours in year = 8760 This Month Year to Date Measurement Valid Lost Edits Valid Lost Edits Hrs  % Hrs  % Hrs  % Hrs  % 10OFt Wind Speed 719 99.9 1 0.3 7913 98.7 103 5.6 10OFt Wind Direction 719 99.9 1 0.4 7895 98.5 121 5.7 33Ft Temperature 718 99.7 2 0.3 7709 96.2 307 32.4 150Ft Temperature 718 99.7 2 0.3 7885 98.4 131 11.6 150Ft-33Ft Delta-T 718 99.7 2 0.3 7695 96.0 321 32.5 A V E R A G E

  • 99.8 97.6
  • average of priority parameters (all except precipitation)

Data Recovery Scores Summary November Year to Date Three Mile Island B 0 39 All Exelon Sites 18 215 Murray & Trettel, Inc. 600 FirstBank Drive; Suite A Palatine,Illinois 60067 (847) 963-9ooo

4. Summary of Billinqs for Equipment Repairs, Replacement Parts, and Other Work not Included in Fixed-Cost Maintenance Agreement - November 2007 Three Mile Island Description Cost Meteorological equipment maintenance $ 293.80 Meteorological parts, materials & contractors services $ 0.00 Total for Month: $ 293.80 Year to Date Total: $ 7,945.81 Murray & Trettel, Inc. 6oo FirstBank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000
5. Data Analysis (Data Reduction and Processing)

The Zeno 3200 was routinely interrogated to obtain hourly average data of wind speed, wind direction; ambient temperature, and differential temperature. Wind sigma (standard deviation of wind direction) and precipitation data were also obtained. A professional meteorologist then reviewed the data, calibration findings, maintenance reports, computerized quality control checks, and other information and determined which data were valid. Only valid data were retained in the data base.

6. Computer Processing Computer programs were run to generate summary tables of the hourly averages of the meteorological data as well as other statistics based on the monthly data record.

A table of means and extremes of the measurements recorded during the month is included in this report. Wind direction shears (variance of wind direction between levels) are also included in the table.

7. Annual Report Preparation Joint frequency stability wind rose tables of hourly data are generated quarterly and will be included in the annual report. These tables indicate the prevailing wind direction, wind speed, and stability classes measured during the period of observation.

as well as the joint frequencies of occurrence of the wind direction, wind speed, and stability classes. Murray & Trettel, Inc. 600 First Bank Drive, Suite A Palatine,Illinois 60067 (847) 963-9000

Three Mile. Isl.arid. Alpha2 o ember .,2 200 7 Mi-S Valid::., Parameter, me an:: Max Min.- 33:Ft T.*mperAture. OF) (. 4 3'.4:- ,70.-""2: .26.1 2,- 718" i~d"{. hmpat're () .... 1., 267 2. 718

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