ML20095J823

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Radiation Dose Assessment Rept,1991
ML20095J823
Person / Time
Site: Peach Bottom  Constellation icon.png
Issue date: 12/31/1991
From: Ballantine J, Scholz R
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20095J815 List:
References
NUDOCS 9205040151
Download: ML20095J823 (38)
v • d • e


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l PHILADELPHIA ELECTRIC COMPANY s PEACH BOTTOM ATOMIC POWER STATION UNIT NOS. 2 & 3 b DOCKET NOS. 50-277 AND 50-278 RADIATION DOSE ASSESSMENT REPORT NO. 7 JANUARY 1, 1991 THROUGH DECEMBER 31, 1991 SUBMITTED TO THE UNITED STATES NUCLEAR REGULATORY COMMISSION PURSUANT TO FACILITY OPERATION LICENSES DPR-44 & DPR-56 Prepared by: A

. 'W . Ballantine '

I Approved by:

R.J' Sch71a 1

9205340151 920430 PDR R

ADOCK 0b000277-PDR ,

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' TABLE-OF CONTENTS l

I. INTRODUCTION AND

SUMMARY

II. STATION LOCATION j III. PEACH BOTTOM LIQUID AND GASEOUS RADWASTE EFFLUENTS -

IV. HYDROLOGY AND METEOROLOGY l

V. LIQUID AND GASEOUS PATHWAY DOSE MODELS VI. RECEPTOR LOCATIONS AND USAGE FACTORS FOR ANNUAL DOSE EVALUATIONS VII. CALCULATED ANNUAL DOSES

! VIII. METEOROLOGICAL DATA IX. CONCLUSIONS j X. REFERENCES 1

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INTRODUCTION AND SVMMARY Technical reporting Specification 6.9.2 appliIn accordance ng requirement of with doses due

  • period, cable during the Bottom1,Atomic January o radioactive 1991 effluent releasesc from Pea hthis Power Station Units 2 through December 31, and 3 1991.

for the period Detailed discussion of the methodol j

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those cases where the methodology port.i hreport Only in has been j

be discussed in detail. as been changed will it The radiation doses due to the rele Appendix Table I-1, I limits and with 40CFR190 re within 10CFR50limaterials durin 2 and 3 with 10CFR50 Appendix I De iComparison Specifically APS Units of doses resu

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i releases was,5.29E-03 mrem; the maximum quid dthe maximum o j gaseous releases was 9.25E-01 mrem .

ose due to

(

I Since PBAPS radioactive effluent releases technicalwers well specifi n withi applicable k

l were a small fraction of 10CFR50 Appendix I dcations limits and objectives, small esign fraction of 40CFR190,it is concluded asesthat werePBAPS a rele Protection Standards " Environmental Radiation for Nuclear Power Opera' tion" limit s.

1

t TABLE I-1 COMPARISON OF DOSES RESULTING FROM PBAPS UNITS 2 AND 3 WITH 10CFR50 APPENDIX I DESIGN OBJECTIVES MAXIMUM DOSE DESIGN OBJECTIVES FROM PBAPS REG. GUIDE 1.109 DOSE PATHWAY VALUE  % of A A I Liquid Effluents

a. Dose to 3.38E-03 0.06 3 mrem /yr/ unit total body from all pathways
b. Dose to any 5.29E-03 0.03 10 mrem /yr/ unit organ from all pathways II Gaseous Effluents *
a. Gamma dose 4.13E-02 0.21 10 mrad /yr/ unit in air
b. Beta dose 5.80E-02 0.15 20 mrad /yr/ unit in air
c. Dose to 4.37E-02 0.44 5 mrem /yr/ unit total body of an "

individual

d. Dose to skin 8.43E-02 0.28 15 mrem /yr/ unit I of an individual j e. Dose to any 9.25E-01 3.08 15 mrem /yr/ unit l organ from I all pathways l-
  • 10CFR50 Apper. dix'I specifies dose from noble gases-only for categories II -(a,b,c and d). -PBAPS doses _ presented for items II (c and-d) include noble > gas and particulate-components.

2

II. STATION LOCATION Peach Bottom Atomic Power Station is located on the western shore of Conowingo Pond in York County, Pennsylvania. The station, two 3293 MWT boiling water reactors, is described in the Updated Final Safety Analysis Report. 2 Conowingo Pond is the receiving stream for liquid radwaste effluents.

III. PEACH BOTTCM LIOUID AND GASEOUS RARWbSTE EFFLUENTS The release of radioactive materials in liquid and gaseous effluents from PBAPS were reported in the Peach Bottom At.mic Power Station Semi-annual Effluent Release Reports Nos. 30 and 313 8* ' . ,.

IV. HYDROLOGY AND METEOROLOGY A. HYDROLOGY Travel times and dilution factors wer~e detern.ined based on the daily Conowingo Pond flows in 1991. Daily Pond flows were reviewed to determine a mean monthly Pond flow. Each daily flow value was assigned to one of three Pond flow regimes. 5 The resulting daily travel times and dilution factors were then averaged to determine a monthly mean travel time and dilution factor for each receptor location.

The travel times and dilution factors for those locations in conowingo Pond, where the highest doses were calculated, are listed in Table IV-1 for each monthly flow regime.

B. METEOROLOGY Section VIII describes in detail the meteorology in the PBAPS region during 1991, affecting'the atmospheric dispersion and the deposition of radionuclides from PBAPS gaseous radwaste releases. This meteorology was used for the evaluation of PBAPS Units 2 and 3 gaseous releases.

3

TABLE IV-1 ~

a PEACH BOTTOM RECEPTOR LOCATION PARAMETERS FOR 1991 1500 Feet Down-Flow of Plant Discharge Glen Cove Conowingo Dam Chester Water Intake Travel  : Dilution Travel Dilution Travel Dilution Travel Dilution Time Factor- Time Factor Time Factor Time Factor Month -(hrs). .(hrs) (hrs) (hrs)

January 1.6 1.8 11.7 8.7 17.0 12.4 4.5 7.9 l February 1.8 1.8 12.2 7.2 17.8 11.3 4.9 7.4 March' 1.5 1.7 11.0 12.0 16.0 14.0 4.0 8.3 April; 1.6 1.4' 11.5 4.8 16.8 8.0 4.4 5.3 May 2. 3. 3.1 15.3 8.5 22.3 13.9 7.0 11.0 June 15.0 1.4 68.0 1.5 100.0 2.9 70.6 2.9 July- l15.0 1.4 68.0 1.5 100.0 2.9 70.0 2.9 August. 15. 0 -. 1.4 68.0 1.5 100.0 2.9 70.0 2.9 2.9 70.0 2.9

~

September 15.0 1.4 -68.0 1.5 100.0 October 15.0 1.4. 68.0 1.5- 100.0 2.9 70.0 2.9

. November -7 . 8 1.5- 40.0 -1. 7 58.9 3.4 31.1 3.3 December 2.7 2.1 15.9 4.0 23'3

. 8.2 9.0 6.1 4

o V. LIOUID AND GASEOUS PATHWAY DOSE MODELS The maximum annual doses to individuals in unrestricted areas which could result from the effluent releases from PBAPS were calculated according to the guidelines in USNRC Regulatory Guide 1.1096 and the models described therein.

Computer codes, LADTAP and GASPAR, which incorporate-the computational-models described in Regulatory Guide 1.109-and which were obtained from the NRC staff were used to perform the liquid and gaseous dose calculations j respectively. '

The liqsid release' pathways which were considered in making these calculations included drinking water, aquatic l foods, shoreline usage, swimming and boating. All pathways were calculatti using the equations and dose factors provided in the LADTAP computer code.

The gaseous release pathways-which were considered' included external radiation from the air:and ground, inhalation and ingestion of vegetation, meat, cow's milk and goat's milk. The inhalation and ingestion pathways were evaluated for.the adult, teenager, child ana. infant age groups. The dose calculation at each receptor was.

done in two parts - a dose component resulting-from the off-gas stack and one from the building vents.-These doses.

were then summed to-yield a total dose-for each pathway and organ.

l 5

VI. RECEPTOR LOCATION AND USAGE FACTORS FOR ANNUAL DOSE -

o EVALUATIONS i

A. Licuid releases l I

The annual doses resulting for PBAPS liquid radwaste l releases were calculated at various locations on conowingo Pond. The locations are shown in Figure VI-

1. These locations were selected because they represent areas where the listed pathway activities are most likely to occur. The locations and pathways are:

Location Humber Name Pathways 1 1500 feet below discharge boating, fish 2 Chester Water Authority drinking water 3 Glen Cove boating, fish,

- koreline,

'reation, ming 4 Conowingo Dam _ drinking water The City of Baltimore (location 5) withdrew drinking water from Conowingo Pond for only 13 days in 1991.

Since conowingo Pond reprecents only a small fraction of the water supply for the City of Baltimore, any doses resulting from this pathway are much-smaller than those estimated from drinking water at Conowingo Dam.

The-Chester. Water Authority withdrew 1 drinking water:

(

from Conowingo Pond approximately 22 percent-of-the year. Usage factors were adjusted accordingly. . No other liquid pathway usage and consumption' rates uded 7

in these calculations changed _from previous years.

B. Gaseous Releases In order to assure.that the location of=the maximum off-site annual dose to each pathway'resulting-from l PBAPS radioactive gaseous effluents was_ identified, Ennual doses at several locations were calculated.

L inese included real. locations of dairy pastures,-and residences in each. sector. Meat animal-pastures were  ;

assumed to co-exist with dairy pastures. N dairy j pasture survey was performed in'.1991 which-determined-l the pasture closest to PBAPSfin each~ sector. There were no'berds of milk goats within five' miles of PBAPS.

No gaseous' pathway usage and consumption 1 rates used'in these calculation changed from previous years a, 6

i e - pege-- -gw y g- a-m-g---e y.

au:+=a.a,c;:a = = - a:.=2..w=:a=: ..:=.wu = =,; ~ ~ =.. :a w a:-u a x a. .:=- w:
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HOLT WOOD DAM q -

g MT JOHNSON ISLAND-PEACH BOTTOM .

ATOMIC POWER STATJON -

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-- MD. STATE LINE

( ,  ;

BROAD CREEK 3

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-'CONOWINGO DAM' t l Locations!at which annual doses to individuals resulting from:PBAPS: liquii radwoste releases were evaluated. .

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VII. CALCULATED ANNUAL DOSEE )

l A. Liauid Relpases Tables VII-1 through VII-4 list the calculated annual doses through the various pathways to the maximum individual in the adult, teenager, child and infant age ,

categories as a result of PBAPS liquid radwaste releases.

The maximum calculated Stal body dose was 3.38E-03 mrem to the adult and o red at Location 1, 1500 feet  ;

downstream from the PBAFu sischarge canal exit. This is 0.06% of the 10CFR50, Appendix I. design objective.

The maximum calculated dose to any organ was 5.29E-03 mrem to the teenager liver and also occurred at Location 1. This dose is 0.03% of the 10CFR50 Appendix I design objective. -

B. Gaseous Releases Tables VII-5 and VII-6 list the annual doses to all organs through pathway by age group at the location where a person would receive the largest calculated total body and organ dose respectively resulting from >

exposure to noble gases, parti ^"lates and iodine e released from PBAPS.

The maximum calculated total body dose was 4.37E-02 mrom to the child and occurred at a residence 3900 feet NNW from the PBAi- building vents. This dose is 0.44%

of the 10CFR50 Appendix I' design objec+.ive.

The maximum calculatei organ dose was 9.25E-01 mrem to the infant thyroid ani occurred at:a diary farm 5400 feet S from the PBAPS building vente.. This dose is 3.n8% of the 10CFR50 Appendix I design objective.

Tl + maximum calculated skin dose was 8.43E-02 mrem at a residence 3900 feet NNW from the PBAPS building vents. This dose is 0.28% of the Appendix-I design objectives.

The maximum offsite gamma air dose is 4.13E-02 -

mi "ad,-located 3900 feet NNW from the PBAPS building s en ta This dose is 0.21% of the 10CFR50 Appendix I-t',iv objective.

  • I The maximum offsite beta' air dose is 5.80E-02 millirad, I located 3900 feet'NNW from the PBAPS building vents. +

This dose is 0.15% of the 10CFR50 Appendix I design l

l 8

objective.

The location where a person would receive the largest calculated total body dose from exposure to PBAPS <

releases due to non-occupational activities inside the site boundary is at the boat ramp approximately 3300 i feet NiiW of the PBAPS building vents. The calculated total body dose is 1.12E-02 mrem and calculated skin  :

dose is 2.71E-02 mrem assuming continuous occupancy. i

Assuming the shoreline recreational usage factor (325 i

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hours per year) would result in an even more insignificant dose. ,

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. l VIII. METEOROLOGICAL DATA The meteorology at the PBAPS site is evaluated by instruments'on a meteorological tower on the bluff overlooking the plant. It is described in the USFSAR2 . All data are summarized using the  !

Pasquill-Girford system. The following three tables present the l annual summary of hourly meteorological data joint frequency i distributions of wind speed, wind direction and atmosphoric stability. ,

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PHILADELPHIA ELECTRIC COMPANY (PECo) - Peach Bottom Atomic Power Station PROGRAM: JF0 VERSION: PC-1.1 JFD - Delta-T (320-33ft) FT Winds - 1991

<!TE IDENTIFIER:

}

OATA PERIOD EXAMINED: 1/ 1/91 - 12/31/91  ;

      • ANWUAL *** ,

STABIL!TY BASED ON: DELTA T SETWEEN 320.0 AND 33.0 FEET I WIND MEASURED AT:' 33.0 FEET WINO THRESHOLD AT: .50 MPH TOTAL NUMBER OF OBSERVATIONS: 8760 TOTAL NUMBER OF VALID OSSERVATIONS: 8370

10TAL NUMBER OF MIS $1NG OBSERVATIONS
390 PERCENT DATA RECOVERY FOR THIS PERICO: 95.5 %

' MEAN WIND SPEED FOR THIS PERIOD: 4.9 MPH

' TOTAL NUMBER OF OBSERVATIONS WITH BACKUP DATA: 0 i PERCENTAGE OCCURRENCE OF STABILITY CLASSES A B C D E F G

.92 .94 2.2G 45.17 36.62 10.47 3.62 CISTRIBUTION OF WINO DIRECTION VS STABitITY N- kNE NE ENE E ESE SE SSE S $$W SV WSW V WNW NW NNW . CALM l A ' 9 .' 9 5' 12' 13 11 8 6 1 0 O O 1 1 0 0 B 10 4 3 11 8 4 9 6' 1 1 2 2 1 8 4 4 1 C 16 - ' 11 7 -7 6 16 5 15 18 9 6 5 15 11 11 31 0 D 321 173 142 .191 146 125 184 252 306 142 111 92 214 324 441 617 0 E 120 65 60 - 103 192 139 .!10 280 307 213 176 182 244 291 262 218 3 F 8 19 16 30 64 50 21 18 38 33 75 194 149 90 47 14 to .

G 6 4 7 21 ~ ' 36 18 7 4 4 6 31 79 42 15 to 8 5  !

TOTAL 490 285 240 375 465 363 M4 581 675 404 402 554 665 740 776 892 19 i a

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.

  • t PMl(ADFIPHI A ELECTAiC CDtPANY (PEco) - Peach Gottom Atomic Power Station PROGRAM: JFD VERSIONt FC-1.1  !

, JFD - Delta-i (320-33ft) FT Winds - 1991 SITE IDENTIFIER: 2 DATA PERIOD E'% MINED: 1/ 1/91 - 12/31/91 -l l *** ANNUAL ***

i

}. STABILlIY CLAST G STAB!tiTY BASED ON: DELTA T BETWEEN 320.0 AND 33.0 FEET WINO MEA.SURED AT: 75.0 FEET r WINO THRESHOLD AT: .50 MPH JOINI FREQUEhCY DISTRIBUTION OF WIND SPEED SND DIRECTION IN MOURS AT 75.00 FEET

  • St EED (MPH) N NNE NE ENE E ETE SE SSE S SSW SW WSW W WNW NW NNU T0*At CALM

.5!- 3.50 4' 4 4 3 4 6 '6 5 9 7 15 24 35 ' 38 27 to

)  !

2n1 3.51- 7.50 0 0 0 0 0 1 1 0 1 1- 3 22 40 19 7 0 95 l 1 7.51-12.50 0 0 0 0 0 0 0 0 0 0 0 1 2 0 .0 1 4 ,

.12.51-18.50 0 0 0 0 0 .0 0 0 0. 0 0 0 0 0 0 0 0  ;

?8.51-24.50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

., >24.50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 L

.iOTAL 4 4. 4 3 4 7 7 5 10 8 18 47 77 57 34 ~ ti 300 STABILITY CLASS ALL STABILITY BASED ON: DELTA T- BETWEEN 320.0 AND 33.0 FEET 1" '

WIND MEASURED AT: 75.0 FEET W!ND THRESHOLD' AT: .50 MPH  ;

JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DIRECTION IN HOURS AT 75.00 TEET SPEED'

-(MPH). N' NkE ' NE ' ENE E ESE SE SSE S. SSW SV WSW W . WNW NW Nrt retAL r CALM .

. 1

.51- 3.50 105 104 115 126 144 .126 121 - 122 142' 114- 136 151 169 140 125 84 2024 '

3.51- 7.50 176 190 ~ ' 80 103. 171 206' 243 327 355 266 181 266 361 322 305 238 3840 7.51-12.50 152 58 2 1 9 26 68 .120 245 109 103 154 246' 284 363 37/ 2317

, 12,51-18.50 ' 20 - '6 0 0 D 0 2 3 18 7- 3 13 94 107 ' 79 83 435

! .. ' 18.51-24.50 0 'O 0 -9 0 0-~ 0 0 -0 0 0 7 15 to 3 11 46 l' ' >24.50- 0 0 O. 'O O O O O O O O- 0 1 0 0 0 1 TOTAL . 453 358 197 230 - 326- 358 434 572 760 496 423 591 ' 886- 863 87' 843 8664 1 -.

- 27 i

4 y ..s,s 7- ,.g. 3 -y-< .c 3  % r-- e -* c-y -  % - . e t- . , ,- .4 m - _.

h PHILADELPHIA ELECTRIC COMPANY (PECo) - Peach Bottom Atomic Power Station i

PROGRAM: JFD VERSION: PC-1.1 .

JFD.- Detta-T (320-33ft)l 75-FT Winds - 1991 SITE IDENTIFIER:

  • DATA PERIOD EXAMINEDi - 1/ 1/91 - 12/31/91

... gggggt ... t STABILITY BASED ON: LeLTA T BETWEEN 320.0 AND 33.0 FEET WIND MEASURED : AT: 75.0 FtET

. WIND THRESHOLD.'AT: .50 MPH

-TOTAL NUMBER OF OBSERVATIONS: 8760 TOTAL NUMBER OF WALID OBSERVATIONS: 8664 TOTAL NUMBER OF MIS $1NG 06SERVATIONS: 96 PERCENT DATA RECOVERT FOR TH!S PERIOD: 98.9 %

MEAN e,M SPEED FOR THIS PERIOD: 6.4 MPH TOTAL o.P4R OF OBSERVATIONS WITH BACKUP DATA: O PEACENTAGE OCCJRRENCE OF STABILITY CLASSES A B C D E F G ,

.89 .91 2.20 -44.79 37.12 10.62 3.46 O!Sid!BUTION OF WIND DIRECTION VS STABILITY

_N ^NNE NE ENE E ESE - SE SSE S SSV .SW WSW W WNW NW NNW , CALM

'A 3 14 7- 16 11 15 7 1 0 0 1 0 3 1 1 0 0 e- 7. 6 ~5 9. 9 9 -5 3 2 0 2 2 5 5 5 5 .0 C 12 16 . 6' 6 .8 15 7 12 18 - .8 6 9 15 12. 11 29 1 0 .297- 227 124' 132 149 141- 184 226 321 164 117 14 0 283 340 455 572 0 E- 114 79 44 - 56 119- 136 182 286 377- 276 224 227 314 298 293 in 0 F .~ 16 12 .7 8 24 35 42 39 32 40 55 166 192 141 76 35 0 G. .4 .-4 '4 3 4 7- 7 5 10 8 18 47 77 57 34 11 0

-TOTAL. 453 358 .197 230 324 358 434 5 72 -760 4% 423 591 W 863 875 843 1 28

, e ,~i e e , % ~

O 4

DATA FROM 320-FOOT LEVF1 29

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A '

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  • 4 J. . ' > w CL

. .J e-O cg 4 6.- 4 g < * = e- *= e- == N O > Cy K at e *= e- e- ** N O l O W *C 40 O O 2 vs w UmemAAA. > UmmmmmA s=

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. +

PHILADELPMIA ELECTRIC COMPANY (PECo) - Peact Bottua Atomic Power Station PROGRAM: JFD VERSION: PC-1.1

. c JFD - Detta-T (320-33ft) - 320-FT Wincts - 1991 SITE IDENTIFIER:

DATA STRIOD EXAMINED: 1/ 1/91 - 12/31/91

. guvugt u.

STABILITY CLASS C STABILITY BASED ON: DELTA T BETWEEN 320.0 AND 33.0 FEET

' WIND MEASURED AT: 320.0 FEET WIND THRESHOLD AT: .50 MPH JOINT FREQUENCY DISTRIBUTION OF WIND SPEED AND DietECTION IN HOURS AT 320.00 FEET SPEED (MPH) N NNE NE ENt: E ESE SE SSE S SSW SW WSW W WNW NV NMW TOTAL CALM 1

.51 3.50 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 3 3.51- 7.50 6 6 3 A 2 11 4 -3 0 0 1 0 0 2 1 4 47 7.51-12.50 5 3 -2 ,

2 4 to 4 14 6 5 3 7 9 7 14  %

12.51-18.50 1 2 0 0 0 0 3 1 3 3 2 3 2 3 3 8 34 18.51-24.50 0: 0 0 E: 0 0 0 0 0 0 0. 0 5 3 0 0 8

>24.50 ts 0 0 q 0 0 0 0 0 0 0 0 2 0 0 0 2 TOTAL 12 11 6 t 5 15 17 8 17 9 8 6 16 17 11 26 191 STABILITY CLASS 0 STABILITY BASED ON: DELTA T BETWFtw 320.0 AND 13.0 FEET.

' WIND MEASURED AT: 320.0 FEET VIND THRESHOLD AT: .50 MPH JOINT FREQUENCY DISTRIBUTION OF WIND OF EED AND DIRECTION IN HOURS AT 320.00 FEET.

SPEED

.(MPH) N NME NE ENE E ESE SE SSE S SSW SW WSW W WNW NV NNW TOTAL CALM . .

3

.51- 3.50 .5 '15 26. 25 23 13 12 - 11 6 3 4 2- 2 7 9 6 169 3.51- 7.50 57 ' 50 39 58 73 60 67 49 51 42 29 19 32 31- 44 78 779 7.51-12.50 94 58 50 56. 66 72 125 100 174 103 67 52 70 53 121 188 1449 12.51-18.50 120 42 21- 2-- 24 30 28 . 25 . 88 36 23 34 78 139 172 205 1067 18.51-24.50' 13 3 .0 0 2 :2- 2 2 6 6 3 7 65 94 70 54 329

.>24.50 .0 0 0 .0 0 0~ 0 0 0 0 0 1 23 36 to 13 83 TOTAL 239 168 136 141 188 177 234 187- 325 190 126- 115 270 360- 426 544 3879 31

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n. e. n. o
e. o neo EL u @ w Et >= w CK sg O e M N N to a sn .4 > taJte m O ^ M N N e0 4 en J

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e= N at N ** N **

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3 4 @ @ *= e N o e 3 4MNO e~ C O~ N an -

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=w Om O e- O M == q MMOM 6 M e-** **e- nn O 2 m - N N O. $. w -

g

  • M 06 ' ZO U

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a

. E s

E w tg & lTi m

e e emm

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+ sQ

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  • a M

M wN > 2 Z>

    • OM N O == > > CE O m O w + = M cc w M. w MaM m

>= N O 2 2 e ..

O et eC

> d M w-2 c0 4 e-e=

+= @ P=.

e- to W

=

>E w 2 e- N M++E U w w or et O w 66- wwOw w wx WOO OOOmwO O IC N N mamq m a

w a-

.8 mBY MM www-hw mmM. M 2

MON -m &mem8 N- 4 M r .n E -*2== > eC w EOO

    • @ w EE la w sa D C.L

.J Z OOw E2 2 >- .2--

w eC ** CL > 2 3 er n ==.J== .JJJw .J J w et CD C 4 et *C U 2 et *C et 2 e- H e- a et >- et CD U O w w Q e~

==J .m O.=>*-

na a +- ~~ OOOwwO O g- 4 7mo M33 >>>aEW W

.. . - - . - - _ = _ .

7 o

IX. _QQ[QJ)SlQd Table I-1, Introduction ard Strcrary, strrarized tne .nximum calculated annual doses resulting frca Peach Dottcm Atamic Ftuer Station Units 2 ard 3 routine liquid ard atmospheric rattaste releases ard hoa they canpare to the 10CFR50 Appendix I design objec, -e doce limits. All calculated doses were extranely IcM ard well w ..in the 10CFR50 Appendix I design objective dose limits.

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~

s s

X. REFERENCES

1. Philadelphia Elect.ric Company, " Peach Bottom Atomic Power Station Units 2 and 3, Radiation Dose Assessment Report No. 5", January 1, 1989 through necember 31,198'.
2. Philadelphia Electric Company, " Peach Bottom Atomic T w er Station Units 2 and 3, Updated Final Safety Analysis Report."
3. Fhiladelphia Electric Company, " Peach Bottom Atomic Power Station Units 2 and 3, Semi-Annual Effluent Releases Report No. 30",

January 1,1991 thtuigh June 30, 1993.

4. Philadelphia Electric Company, " Peach Bottom Atomic Power Station Units 2 and 3, Semi-Annual Effluent Releases Report No. 31", July 1, 1991 through Deccaber 31, 1991.
5. Philadelphia Electric Company, " Peach Bottom Atomic Power Station Units 2 and 3, Radioactive Effluent Dost Assessment", Septerber 30, 1976.
6. U. E. Nuclear Regulatory Commission, Regulatory Guide 1.109,

" Calculation of Annual Doses 'co Man from Routine Releases of Reactor Effluent for the Purpose of Evaluating Compliance with 10 CFR Part 50, Appendix I", Revision 1, October, 1977.

7. Philadelphia Electric Company, " Peach Bottom Atomic Power Station Units 2 and 3, Radiation Dose Asseasment Report No. 5", January 1, 1989 thrraugh Dece h r 31, 1989, Table V-1.
8. Philadelphia Electric Company, " Peach Bottom Atomdc Power Station Units 2 and 3, Radiation Dose Assessment Report No. 5", January 1, 1989 through Decerber 31, 1989, Table V-2.

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