Text

Semiannual Radioactive Effluent Release Rept,Jul-Dec 1979
	ML18081B172
Person / Time
Site:	Salem
Issue date:	03/31/1980
From:	; Public Service Enterprise Group
To:	;
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ML18081B171	List: ML18081B170; ML18081B172;
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PS~G 1979 SEMIANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT RERR-7 The Energy People SALEM NUCLEAR GENERATING STATION SALEM UNIT N0 0 l NOTICE -

THE ATTACHED FILES ARE OFFICIAL RECORDS OF THE DIVISION OF DOCUMENT CONTROL. THEY HAVE BEEN CHARGED TO YOU FOR A LIMITED TIME PERIOD AND MUST BE RETURNED TO THE RECORDS FACILITY BRANCH 016.

PLEASE DO NOT SEND DOCUMENTS CHARGED OUT THROUGH THE MAIL. REMOVAL OF ANY PAGE(S) FROM DOCUMENT FOR REPRODUCTION MUST Be REFERRED TO FILE PERSONNEL.

DEADLINE RETURN DATE RECORDS FACILITY BRANCH OPERATING DOCKET NO. 50- 272 LICENSE N0 0 DPR-70 MARCH.1980

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8003110570

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REPORT NO. RERR-7 UNIT NO. 1 RADIOACTIVE EFFLUENT RELEASE REPORT JULY -

DECEMBER 1979 SALEM NUCLEAR ~ENERATING STATION Public Service Electric and Gas Company M P79 43/33 DPR 70

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'I Introauction SALEM NUCLEAR GENERATING STATION.

so~212**.. *.*.*

UNIT: NO~~ _i RADIOACTIVE EFFLUENT** RELEASE REPORT July, 1979 to Oe~~rnber, 1979 This report, RERR-7, summarizes the release of radioactive*

materials in liquid, gaseou~ and ~6lid form from Salem Unit 1 for the period July 1, 1979 to D~6ember 31, 1979.

This report was prepared in the forma*t; specified in USNRC Regulatory Guide 1.21.

The station was shut down for refueling on April 4, 1979.

It was necessa~y for some*modif~ca~ions to be made on plant systems and as a result the ~tation did not achieve critical-ity again until December 1, 1979~

Relea-se of radioactive materials.from the Salem station dur-ing the reporting period were within the limits set forth in the Environmental Technical. Spe~if ications and calculated radiation exposures to off-site i~dividuals were small frac-tions of the limits set forth itr'10CFR20 and within Appendix I to 10CFRSO requirements.

M P79 43/33 I,,

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I EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT RERR 7 A.

SUMMARY

INFORMATION

1. 0 Regula_tory Lirni ts Symbols utilized in the equations listed below under Sec-tions 1.1 and 1.2 are the same as those used in the Salem Environmental Technical Specifications (ETS).

The symbol Q as ~xplained in Section 2.3.3 of the ETS is the* release rate of the gaseous activity in units of curies per second.

The K, L, M and N terms are actually site dependent dose conver-sion factors.

The equations listed below in Sections 1.1 and 1.2 take into consideration the release point location, building wake effects and physical characteristics of the radionuclides released.

1.1 Fission and Activation Gases Gaseous releases from the nuclear units are limited such that at no time will releases of gaseous radioactive mater-ials cause a member-of t~e general public to be exposed to an annual dose rate in excess, of 500 rnrem to the entire body or 3 rem to the skin in conformance with the requirements of 10CFR20.

Gaseous releases from the units are further restricted such that when releases are averaged over a calendar quarter ho member of the general public will be exposed to an annual dose rate in excess of 20 rnillirads of gamma radiation or 40 millirads of beta radiation.

In addition, it is required that air doses averaged over a

.twelve month period be less than 40 and 80 millirads for gamma and beta radiation respectively.

At any instant the release rate of radioactive gases must satisfy the following equations whose basis is 10CFR20.

o. 33 -OtvI ( Lv + 1.1 Nv) < 1 M P80 17 18 I

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I When averaged over a calendar quarter the release rate for radioactive gases must satisfy the following equation.

The basis for these equations is 10CFRSO Appendix I.

13 Qtv*Nv

< l 6.3 Otv*Mv < 1 The release limit Q is therefore calculated to be 5. 91E4 microcuries/sec for the 4th quarter.. There were* no measurable fission or activation gases released during the third quarter.

When averaged over any t:.velve consecutive month period, the release rate for radioactive gases must satisfy the following equation.

The basis for this equation is 10CFRSO Appendix I.

25 Otv*Nv < 1 23 Otv*Mv < l The release limits of radioactive gases for the Salem Nuclear Generating Station are.not fixed numbers, but depend upon the radioactive isotopes present in the e~fluent.

1.2 Iodine and Particulates, Half Life > 8 days The regulat9ry limits for iodines and particulates are listed below.

Releases of iodine and particulates are restricted such that no member of the general public will receive a dose rate in excess of 1. 5 rem to the thyroid.'

Releases of iodines and particulates are further restricted to prevent any member* of the general public from receiving* a dose rate in excess of 30 rnrem in a calendar quarter or 60 mrem in any twelve month period.

The equations which govern these conditions are listed below:

At any instant of time the release rate for radioactive iodines and particulates material with a half life greater than 8 days is limited by the equation below.

The basis for this equation is 10CFR20.

M P80 20 06/1 r.

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During any calendar quarter the release limit is governed by the equations listed below.

The basis for these equations is 10CFRSO Appendix I.

2 curies of I-131 and Ov x 13 (1.5 105) < l During any twelve month per.iod radioactive releases should conform to the following constraints as preferred by 10CFRSO Appendix I.

2 5 x

( l. 5 x l 0 5) x Qv < 1 and

4 curies of I-131 1.3 Liquid Effluents The regulatory limits for radioactive liquids released from the *plant are governed by 10CFR20, Appendix B, Table II, Column 2.

In addition, the following limits apply:

The cumulative release of radioactive effluents, excluding tritium and dissolved gases, shall be less than 10 Ci in a calendar quarter for each unit.

The cumulative release of radioactive effluents, excluding tritium and dissolved gases, shall be less than 20 Ci in any twelve consecutive months.

2.0 Maximum Permissible Concentrations Regulatory Guide 1.21 requires that the licensee provide the MPC' s used in determining allowable release rates for radio-active releases.

We have addressed this question below.

a.

Fission Gases -

MPC values were not used to determine the maximum release rates.

b.

Iodines -

MPC values were not used to determine the maximum release rates.

c.

Particulates, Half Lives > 8 days -

MPC limits were not used to determine the maximum release rates.

d.

Liquid effluents -

MPC values as stated in 10CR20, Appendix B, Table 11, Column 2 were used.

M P80 20 06/2 1-I I

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3.0 Average Energy Regulatory Guide 1.21 requires that the licensee provide the average energy of the radionuclide mixture in releases of fission and activation gases, if applicable.-

Release limits for the SNGS are not based upon average energy, hence, this section does not apply.

4.0 Measurements and Approximation of Total Radioactivity 4.1 Liquid effluents are monitored in accordance with Table 2.3-3 of the Environmental Technical Specifications.

During the period of record, all wastes from the chemical drain tank and the laundry and hot shower tanks were routed to the hold-up tanks for monitoring.

Technical Specifications require these tanks to be recirculated the equivalent of two tank volumes to produce uniform mixing and sample extraction and analyzation before any releases are made.

Batch releases included releases from the waste monitor tanks, waste monitor hold-up tank, and the chemical and volume coritrol tanks.

Continuous releases included releases from intermittent blowdown of the steam generators.

The predominate gamma emitting isotopes detected continued to be Co59, Co60, Mn54, and H3 (tritium).

At no time did releases exceed limits.

4.2 Gaseous effluent streams are monitored in accordance with Table 2.3-4 of the Environmental Technical Specifica-tions.

The plant vent is the final release point of all planned gaseous effluents and is continually monitored by four very sensitive Geiger Mueller tubes.

The vent is also continuously sampled for iodine and particulates with a Cesco charcoal cartridge and filter paper con-nected in series to a low volume air sampler.

The filter and charcoal are changed weekly, weather permitting, and analyzed on a multichannel analyzer in the laboratory.

Sampling is also performed on all gas decay ta.nks and containment purges prior to release to the environment.

The results of these analyses are used as the basis for the cumulative release of gaseous effluents into the environment.

All tritium samples were taken by bubbling gas through water and then counting the tritiated water on a liquid scintillation counter.

M P80 19 11

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4.3 The estimated total error of the reported continuous gaseous releases is within 50%.

This error is due primarily to variability of waste stream flow rates and changes in isotopic distributions of waste streams between sampling periods.

The estimated total error of the reported batch gaseous releases is within 10%.

The estimated total error of reported liquid releases is within 25%.

5.0 Batch Releases Batch releases of gaseous and liquid effluent are provided in Ta~les 4A -

4B.

6.0 Unplanned Releases There were no unplanned releases* to an unrestricted area during this reporting period.

M P80 18 05/1 I

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Part B. Gaseous Effluents See Sununary Tables l~ -

lC.

Part c. Liquid Effluents See Summary Tables 2A and 2B.

Part D. Solid Waste See Summary Table 3.

M P80 18 05/2.

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Part E.

Radiological Impact on Man The calculated individual doses in.this section are based on actual locations of nearby residents and farms.

The population dose impact is based on the projected 1980 pop-ulation and historical site specific data i.e., food pro-duction, milk production, feed for milch animals and sea-food production.

The doses were calculated using methods described in Reg-ulatory Guide 1.109 and represent calculations for the six month reporting interval.

Doses from batch and continuous releases were calculated using the meteorological disper-sion coefficient X/Q for the period July 1 -

December 31, 1979.

Liquid Pathways Doses to individuals in the population from liquid re-leases are primarily from the seafood ingestion pathway.

The total body dose to an individual was calculated to be 4.50E-3 mrem.

The calculated population total body dose was l.lOE-1 person-rem.

The highest organ dose from liquid releases was 2.95E-2 mrem to the gastrointestinal tract.

Air Pathways The resulting whole body and skin doses to an individual were calculated to be l.55E-4 mrem and l.76E-4 mrem re-spectively.

The calculated population total body dose was 8.50E-3 person-rem.

The average total body dose to the population within fifty miles of the site was 3.34E-7 mrem/person

Direct Radiation Direct radiation may be estimated by TLD measurements.

One method for comparing TLD measurements is by comparison with preoperational data.

TLD measurements on site near the Service Water pumps (location llSl) and (location lOSl} near the Circulating Water pumps averaged 21.6 and 9.2 mrads/months, respectively, apparently due to trace activity in the Refueling Water Storage Tank.

TLD's at onsite locations 281 and 581 which are 0.3 miles and 0.9 miles from the reactor containment averaged 5.82 and 4.44 mrads/month respectively.

These values are within the statistical variation associated with the preoperation program results which were 4*.57 + 2.00 and 3.91 + 0~62 mrads/month for stations 2Sl and S81, respectively...>

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Part F.

Meteorological Data Cumulative joint wind frequency distribution by atmos-pheric stability class at the 300 foot elevation is pro-vided for the third* and fourth quarters of 1979 as Table 5 and 6.

Table 7 provides joint wind frequencies at eleva-tion 300 f6ot for the fourth quarter during discharges.

There was.no measureable activity releases from a batch mode op~ration* during the third quarter of 1979 (see Pg.

1 )

M P80 17 14 1/2

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TABLE. lA EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORr (1979)

GASEOUS EFFLUENTS-SUMMATION OF ALL RELEASES 3rd Unit Quarter A.

Fission & activation gases

1.

Total release Ci

2.

Average rerease rate for period uCi7sec.

3.

Percent of technical specif 1cation limit (See ETS Spec. 2.3.3.b)

B.

Iodines ( 2)

l. Total iodine-131 Ci

2.

Average release rate for period uCi7sec.

3.

Percent of technical s12ecification limit

c.

Particulates

1.

Particulates with half-lives> 8 days Ci

2.

Average release rate for period uci7sec.

3

Percent of technical specification limit

4.

Gross alpha radioactivity Ci D.

Tritium

1.

Total release Ci

2.

Average release rate for period uCi7sec.

3

Percent of technical specification limit

( 1)

For batch releases the estimated overall error is within 10%

( 2) Iodine was below the minimal detection limit.

M P8014/19 1 4th Est.Total(l)

Quarter Error 9.-

l.04E-01 2.50E+Ol 1.32E-02 2.23E-05 7.57E-04 2.SOF.+01 9.63E-05 l.88E-02 2~40E-03 2.50E+Ol 3.05E-04 N7A

..... 91t_,_.............. --~.............

TABLE lB

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EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT (1979)

GASEOUS EFFLUENTS-ELEVATED RELEASES.

CONTINUOUS MODE BATCH MODE Nuclides Released

1.

Fission gases ( 1)

Krypton-BS Krypton-85m Krypton-87 Krypton-88 Xenon-133 Xenon-135 Xenon-135m Xenon-138 Xenon-133m Argon-41 Fluorine-18 Unidentified Total for period

2.

Iodines (2)

Iodine-131 Iodine-133 Iodine-135 Total for period

3.

Particulates Strontium-89 Strontium-90 Cesium-134 Cesium-137 Barium-Lanthanum-140 Cobalt-60 Rubidium-RB Gross Alpha Cobalt-58

'l'otal For Period

( 2) Iodine was below M P8014/20 1 the Unit Ci Ci Ci Ci Ci Ci Ci Ci Ci Ci Ci Ci Ci Ci Ci Ci Ci Ci Ci Ci I Ci Ci Ci Ci Ci Ci Ci 3rd Quarter minimal detection limit. 4th Quarter 3rd Quarter 4th Quarter

1. 04E-Ol l.04E-Ol 7.57E-04 7.57E-04

.~..

l.. <~ ~.... -

EFFLUENT Nuclides Released

4.

Titium TABLE 18 AND WASTE DISPOSAL SEMIANNUAL REPORT GASEOUS EFFLUENTS-ELEVATED RELEASES (Continued)

Unit Ci CONTINUOUS MODE 3rd Quarter 4th Quarter:

(1979)

BATCH MODE 3rd Quarter 4th Quarter 2.40E-03 (1)

Other fission gases were below the detectable level (LLD) Approximately less than 6.67 E-07 uCi/ml).

M P8014/20 2 1*

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TABLE lC EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT 1979 GASEOUS EFFLUENTS-GROUND-LEVEL RELEASES

~ Nuclides Releases Unit 3rd Quarter 4th Quarter 3rd Quarter 4th Qua,rter I

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There were no ground level releases for the period of record.

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TABLE 2A EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT (1979)

LIQUID EFFLUENTS-SUMMATION OF ALL RELEASES A. Fission and activation products 3rd Units Quarter 4th Quarter Est. Total Error, %

1. Total release (not including 1

---1* -----t_r_1_* t_1_* um

,~g..... a_s_e_s-',_a_l_p=-h_a __ )_______________ _ _______

2_. _S_O_E_+_O_l __

2. Average diluted concentration during period l._* ____

3_._P_e_r_c_e_n_..,_t_o_f_..a~p-p_1_1_*c_a_b_1_e_1_i_m_i_t __________________________ _

Tech spec App. B 2.3.l.b B. Tritium l

~----=l~*-T~o_t_a_l __

r_e~l~e..... a_s_e _______ - _______________________ 2 __

.S_O_E_+_O_l __ _

2. ~verage diluted concentration during period

~ ____ 3_._P_e_r_c_e_n_t ___

o_f_a_p_p_l_i_*c_a_b __

l_e_l_i_m_i_t __ _,_ __________________...._--=---------------------

1*, __

c_.__,D~i-s~s~o-1_v_e_d ___

a~n~d~e-n_t_r~a_1_*n_e_d ___

g_a_s_e_s-,.-----------------------------------~

l. Total release 2.SOE+Ol

2. Average diluted concentration during period

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3. Percent of applicable limit

1.

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l. Total release E. Volume of waste release (prior to dilution - Batch Release)

F. Volume of dilution water used during period - Batch Release)

NIA -

Not Applicable M P80 20 07 2.SOE+Ol l.OOE+Ol 2.SOE+Ol Vt,.

TABLE 2B I

i EFFLUE~IT AND WASTE *.DISPOSAL SEMIANNUAL REPORT ( 1979)

~~uclides Releaseed LIQ.l!ID EFFLUENTS ( 1)

Unit CONTINUOUS MODE 3rd Quarter 4th Quarter BATCH MODE 3rd Quarter 4th Quarter I*,.

Strontiurn-89

:Ci

~ _______

s_t_r_o_n_t...,.i-urn--~"""'9-0----------------c-. ~i---------------------------------------------

~

Cesiurn-134 Ci l.90E-02 3.04E-02 2.57E-02 9.37E-03 I.

Cesiurn-137 Ci I

,_____.....,-..,....,,...,,--~-------

Iodine-131

. Ci Iodine-133 Ci l

c_o_b_a....,.l_t_-_5~8,-------------------~C~i ____________________________ -7_.~4=2_E_-..,,.0~1 __ __,,1_,.~5~3~E~-~O'"'"""l Cobalt-60

,:c~

9.07E-Ol 6.0lE-01 Cadrniurn-109

.~Ci

2. 08E-03

~

Manganese-54 Ci l.lOE-01 l.90E-Ol I

Chrorniurn-51

Ci

4. 61E-02

... * ----c-e_s...,.i_u_rn ____ l_,,3,...,6,__ _______________ C--i-------------------------------

l

,_-~z_i_r_q_o_n_i....,.urn....,..,,-~9-5-------------.SC~ii: _______________________ 4_._9_0_E_-_0_3 ___

1_._6_2_E_-_0 __ 4 Tin-113 7~84E-05 Barium-140

.. Ci Lanthaiurn-140 Ci I

Ceriurn-144

Ci r:

1.---T-u_n_g_s_t_e_n __....,.l..,,8'"""7-----------.-:

C-. ~i--------------------------------------

Niobi urn-95 Ci l.52E-02 8.57E-04 Antirnony-124

- :ci

4. 20E-03

3. 42E-04 11_* ____ T_r_i_t_i..,,urn

_________________._: __ c_i _____________________

3_.~s_5_E_+...,.o __ o __ __,6_._1_o_E_+_o __ o Iron-59

. Ci 9.B9E-03 Gross Alpha

.Ci 1--T-o_t_a_,,.l__,f..... o_r __ p_e_r_,i,_o-d=--.,..( a"""'b_o_v.... e-.-) __,-..... ______________________ __, ___________ _

excluding_H3 Ci l.88E+OO 9.85E-Ol x_e_n_o_n_-..,,l..,,3,...,3,....rn ___________

cc..,.i 1

Xenon-133 Xenon-135 Ci 5.85E-05

-~ ___._K_r_yp-=--t_o_n_-_s_s _______________

c_i ____..-------------------------------------

I' (1)

The Lower Limit of Detection (LLD) is approximately 1.00 E-8 uCi/rnl (Co 60).

M P80 18 03 I I

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'TABLE 3 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT 1979 SOLID WASTE AND IRRADIATED FUEL SHIPMENTS SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL (Not irradiated fuel)

1.

Type of waste

.Units

a.

Spent resins, filter sludges,.

m3 evaporator bottoms, etc.

Ci

b.

Dry c*ompressible waste; m3 contaminated equip., etc.

Ci

c.

Irradiated'"ccmponents m3 control rods, ect.

Ci

d.

Other (describe) m3 Ci

2.

Estimate of major nuclide composition (by

a.

Cobalt ~- 58 Cobalt -

60 Manganese -

54 Others

b.

Cobalt -

58 Cobalt -

60 Manganese -

54 Others

c.

Q.

3.

Solid Waste Disposition type Number of Shipments Mode of Transportation 18 Truck 6-month Est. Total Period Error, %

7.83E+Ol 2.85E+Ol

1. 50 E+Ol 2.03E+02 l.92E+Ol l.50E+Ol O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO of wa~te) 4.33E+Ol.

4.33E+Ol

1. OOE+Ol 4.00E+OO 7.30E+Ol l.lOE+Ol l.OOE+Ol 6.00E+OO E

E E

Destination

Barnwell, south Carolina B.

IRRADIATED FUEL SHIPMENTS.(Disposition)

I Number of Shipments Mode of Transportation Destination

.I None NIA NIA. I

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TABLE 4A SALEM NUCLEAR GENERATING STATION (1979)

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE BATCH RELEASES ONLY

1.

Dates July 1 -

Sept. 30, 1979

2.

Type of release (Gas)

3.

Number of releases during the 3rd Quarter 6.00E+OO

4.

Total_ time duration for all releases of type listed above 9.90E+02 minutes

5.

Maximum duration for releases of type listed above 3.04E+02 minutes

6.

Average duration for all.releases of type listed above l.65E+02 minutes

7.

Minimum auration for release of type listed above 9.40E+Ol minutes

8.

For liquid batch releases only, provide the average stream flow (dilution flow) during the period of release.

N/A M P80 15 30/l I

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I TABLE 4A (Cont'd)

SALEM NUCLEAR GENERATING STATION (1979)

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE BATCH RELEASES ONLY

1.

Dates Oct. 1 -

Dec. 31, 1979

2.

Type of release (Gas)

3.

Number of releases during the 4th Quarter l.70E+Ol

4.

Total time, duration for all releases *of type listed !3-bove 2.66E+03 minutes

5.

Maximum duration for releases of type listed above 7.87E+02 minutes

6.

Average duration for all-releases of type listed above l.57E+02 minutes

7.

Minimum duration for release of type listed above 8.60E+Ol minutes

8.

For liquid batch releases only, provide the average stream flow (dilution flow) during the period of release.

N/A M P80 15 30 1/2

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I TABLE 4B SALEM NUCLEAR GENERATING STATION (1979)

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE BATCH RELEASES ONLY

1.

Dates July 1 -

Sept. 30, 1979

2.

Type of release (Liquid)

3.

Number of releases during the 3rd Quarter 6.SOE+Ol

4.

Total time duration for all releases of type listed above 2.00E+04 minutes

5.

Maximum duration for releases of. type listed above 2.34E+03 minutes

6.

Average duration for all releases of type listed above 3.08E+02 minutes

7.

Minimum duration for rele_ase of type listed above 2. SOE+Ol minutes

8.

For liquid batch releases only, provide the average stream flow (dilution flow) during the period of release l.85E+05 gpm M P80 15 31/1 -

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TABLE 4B (Cont'd)

SALEM NUCLEAR GENERATING STATION (1979)

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE

, BATCH RELEASES ONLY

1.

Dates Oct. 1 -

Dec. 31, 1979

2.

Type of release (Liquid)

3.

Number of releases during the 4th Quarter 7.30E+Ol

4.

Total time duration for all releases of type listed above l.50E+04 minutes

5.

Maximum duration for releases of type listed above 4.39E+02

minutes

6.

Average duration for all releases of type listed above 2.06E+02 minutes

7.

Minimum duration for release of type listed above 9.BOE+Ol rninu tes B.

For liquid batch releases only, provide the average stream flow (dilution flow) during the period of release 2.lOE+OS gpm M PBO 15 31 1/2 ____.

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s*r~BILITY CLASS: SLIGHTLY STABLE LAPSE RATE IN DEG C/100 METERS CVALUATED USING DELTA T 300-33 FT U r ND t> i::* EE D ( MPH )

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LAPSE RATE IN DEG C/100 METERS EVALUATED USING DELTA T 300-33 FT ELEVATION:

300 FEET

~******************************************************************

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ARTIFICIAL ISLAND S1~LEM UNIT 1 PERIOD OF RECORDt 10 179 TO 123179 G

STABILITY CLASS: MODERATELY UNSTABLE DELTA T -1.9 TO -1.7 ~

LAPSE RATE IN DEG C/100 METERS EVALUATED USING DELTA T 300-33 FT ELEVATIOK:

300 FEET

~~********************************************'**********~*********

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11 TABLE 6 2 of 7

1~

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ARTIFICIAL ISLAND

!3ALEM UNIT 1 PERIOD OF RECORD: 10 179 TO 123179 CLA~s*. SL.IGHTLY UNSTABLE DELTA T -1.7 TO STABILITY

~

ME"l"El-r LAPSE li:ATE IN DEG C/ 100 1 *

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\\:J ELEVATION:

300.. ~E~~... *~****************************************

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I WINDSPE£D.<MPH> AT 300 FEET

~--.. -....

ARTIFICIAL ISLAND SALEM UNIT 1 PERIOD OF RECORD: 10 179 TO 123179 STABILITY CLASS: NEUTRAL

'DELTA T -1.5 TQ -0.5 ~

LAPSE RATE IN DEG C/100 METERS EVALUATED USING DELTA T 300-33 FT ELEVATION:

300 FEET

~*******************************************************************.

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WINDSF'EED <MPH> AT 300 FEET l*.JIN[I DI r~EC-lIUN 1-3

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t I

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LAPSE RATE IN DEG C/100 METERS EVALUATED USING DELTA T 300-33 FT q

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(.!')

~

ARTIFICIAL ISLAND SALl::M UN IT 1 PERIOD OF RECORD: 10 179 TO 123179 STABILITY CLASS: EXTREMELY ST~BLE DELTA T >4.0 ~

LAPSE RATE IN DEG C/100 METERS EVALUATED USING DELTA T 300-33 FT ELEVATION:

30Q FEET WINDSPEED <MPH> AT 300 FEET l<JIND

OIREC-TION 1-3 4-7 8-12 13-18 19-24

>24 N

1 l

1 1

0 0

NNE 0

0 3

2 0

0 w::

0 1

2

')

1 0

ENE

()

1 1

1 0

0 r

0 5

6 0

0 0

ESE 0

0 1

1.

1*

0 SE:

0

()

4 0

'l

'I

~3SE 0

0

1.

3 2

1~)

s 0

1 6

12 23 6

~)SW 0

3 3

B

')

0 fiW 0

2

')

I.

0

~

u l<JSW 1

1

1.

12 15 0

l.J 0

1 8

17 2

0 1

.. JNW 0

0

'"I 11 10 0

NW 0

2 4

1':>

11

1.

A-NNW 1

l 1

1 3

7 TOTAL 3

22 49 9*-i 78 38 PEfnODS OF* CALM < HOUF.:S > :

0 HOURS OF MISSING DAT1'.\\t 77 TOTAL 4

5 6

3 11 3

15 21 48 16 22 30 28 23 30 17 282

'l'A 13LE 6 6 of 7

.. -'*-*............. *--~--*-***--'.. -***---*-*---**--------.:..--*--*--

~

,: 1. I

--~....._-. --**

0

.0

~RTIFICIAL ISLAND SP1LEM UNIT 1 PERIOD OF* RECORD: 10 179 TO 123179 STABILITY CLASS: ALL STABILITIES EXCLUDING MISS SPEED/DIR DATA LAPSE RATE IN DEG C/100 METERS EVALUATED USING DELTA T 300-33.FT ELEVATION:

300 FEET

~******************************************************************

WINDSPEED <MPH> AT 300 FEET WIMD DH~EC-TION 1-3 l1 *-* "7 8.. -12 1 ~5*-* :I. B 19-*24

>2*l M

3 13

l. 2 33 2

0 NME 1

1.0 24 4~~

9 0

r*-: 1::

1

j.4 r)rJ

~i:*5 24

()

[j*-~:::

0

,/,

~.=;

1.3

()

\\,}

r*

4 1 *:>

n

- x 0

()

I E~3E 1

B 4

"i r) 0

~:iE 3

7

1.4 1 Ci 2:*5 2:1.

!3;'JE 1

l.!'.'i 3'?

44 32

~!</

3 2J 3~)

~.'i</

pi::*

1.3

,,J i:if:ilJ

/0 4"

-:'.> \\~)

~1U

1.':l

...:)

[)l.i..'

~

lb I.}()

c!;4 2~5 USvJ 5

12

21.

~50:)

39 B

u 3

I. :l

?i4 8'"'

73 l :5 l*Jl'-1 t*l 4

1:;-

20 til Cifl

LB

~i r:tJ 0

1.0 24 n 1.

72 J :5</

UNl~

3

l 2 Hl JH) 28 1.0 TOT?,L 3/'

1.<)2

562 7~!2 5:LB 1.b6 PERIODS OF CALM <HOURS>:

1 HOUf~S OF MISSIND f11:!iTA:

209 TOTt1L 63 Be>

11A 24

~ ~)

24 84

l.~58 2:J.C; UH 1.4!/

13~-:i 219 l7Ci 226

1. 1 1

.19</7

'l'ABLE 6 7 of 7

I

~*.:

...... :;..wia-G G

0 0

PERIOD. OF RECORD:

ARTIFICIAL ISLAND SALEM UNIT 1

.l 11 f.:. ? 1i1 TC: 1 2 1 4 "? r; STABILITY CLASS:.EXTREMELY UNSTABLE DELTA T (-1.9 -

L.APSE RATE IN DEG C/100 METERS EVhLUATED USING DELTA T 300-33 FT ELEVATION:

300 FEET 4-~~~~***~************i**********************************************

WINDSf'EED < MF'l-1 > AT

~500 FEET l~ J Ni)

D I i:.; i:~ C **-

f.. :;N 1-3

+*-7 B*-12 1 :~---:LB 19-24

>24 i'!

0 0

j\\!l--J[

0

()

0 0

()

0 NE 0

0 0

()

0 0

ENE 0

()

0 0

E 0

0

()

0 0

ESE 0

()

0

()

0 0

ca:*

0

()

0 0

()

0

!;SE 0

()

0 s

0

()

0

()

0

()

s~;w 0

()

0 0

()

0 Sl4 0

()

0

()

0 W~)lJ 0

()

0 0

w 0

0

()

0

()

0 WNW 0

0

()

0

.0 0

NLJ 0

()

0

0.

0 j*~NW

()

0

()

0 lOT1'~1L 0

0 0

()

PEI.:: I ()[1!3 OF CtiL.H ( HDL.m!:;) :

()

HDUr\\S OF MH:~>JNG 1)(-)"f {):

()

TOTAL

()

0

()

0

()

0

()

0

()

0

()

0

()

0

'rABLE 7 l of 7

~-.-~.~ -* - - - --**- - - *- - - - -

~*----~*-***** -

ARTIFICIAL ISLAND SALEM UNIT 1 PERIOD OF RECORD: 111679 TO 121479 STABILITY CLASS: MODERATELY UNSTABLE DELTA T -1.9 TO -1.7 -

LAPSE RATE IN DEG C/100 METERS*

EVALUATED USING DELTA T 300-33 FT 0

ELEVATION t

~1>00 FEET

~*******************************************************************

WINDSPEED <MPH> AT 300 FEET WIND DI REC-TION 1-3 4--7 8-12 13-18 19-24

>24 N

0 0

.0 0

0 NNE

()

0 0

()

NE 0

()

0

()

0 El*IE 0

0

()

0

()

E 0

()

0 0

()

0 ESE 0

0

()

0

()

0 SE 0

()

e SSE 0

()

0

(}

0

()

c

()

0 0

0

~iSl*J

()

0

()

0 0

0 C!f* -

()

0

!3lJ 0

()

~JSl.J 0

()

0 0

0 l*J

()

0

()

0 0

0 WNlJ

()

NlJ

()

0

()

0 NNlJ 0

()

0 0

()

0 TOTt1L 0

()

0 0

()

Hrnms OF MISSING DAT1!~:

()

e TOTAL

()

0

()

\\--

()

0 0

()

0 0

()

0

()

0

'l'ABLE 7

? of 7

---~----......._.

............ -:;*-.*....:**~__.;-------.:.!* "'-..;.,*.:...*......;*....io.;..;* *...;* ----:--...;*~"*;.;.** _________

, -*-t*W-.....,......Uo\\flf..-.AM.... '°'11~..... ~pl-~'~

... *..,..:,*~**o

... ! *. O,'*

o*t* rt**** * *

.~.

I ie.

ARTIFICIAL 'ISLAND SALEM UNIT. 1 PERIOD OF RECORD: 111679 TO 121479 STABILITY CLASS: SLJGHTLY UNSTABLE DELTA T -1.7 TO -1.5 G

LAPSE RATE IN DEG C/100 METERS EVALUATED USING DELTA T ~00-33 FT ELFVATION:

300 FEET WINDSPEED <MPH> AT 300 FEET WIND DIE:EC-19*-24

>24 I

TiijN 1-3 4-7 8-12 13*-18 0

0

()

0 0

N

()

0 0

0 NNE 0

0 NE 0

0 0

0 ENE

()

o

()

0 0

0 E

0 0

ESE 0

0

()

0 0

SE 0

0

()

0

()

0 SSE 0

()

()*

0 0

.s 0

f.)SW 0

0

()

0 0

()

0 0

Sl*J 0

0 0

0 lJSW

()

0 0

w 0

0

()

0 0

0 WNW MW 0

0 0

0 NNlJ 0

0

()

0 0

0

()

0 0

TOTtiL F'EF\\ IUDS OF Ct1LM < 1--1mms >:

0 HOWi:S OF MISSING Dt1Tt1:

()

.~..

.* :.. : ~. :

TOTAL 0

0 0

0

()

0 0

()

0 0

()

0 0

'.L'ABI,E: 7 3 of 7

'8 I

1*

0 ARTIFICIAL ISLAND SALEM UNIT 1 PERIOD OF RECORD: 111679 TO 121479 STABILITY CLASS: NEUTRAL DELTA T -1*.5 TO -0.5 -

LAPSE RATE IN DEG C/lbO METERS EVALUATED USING DELTA T 300-33 FT FEET

ELEVATION:

300 WINl)SF'EED <MPH> AT 300 FEET WIND DH;:EC:-

TION 1-3

- -7 B-**12 13-18 19-24

>24 N

0 0

NNE 0

0 0

0 NE 0

0 0

0 ENE 0

0 0

0 E

0 0

ESE 0

()

0 0

S*E

0 0

0 0

SSE 0

0 0

0 s

0 0

()

0 0

0 SSl*J.

0 0

S~J 0

()

0 0

WSlJ 0

()

.o 0

0

~J 0

0 0

0 WNW 0

0 0

2 NW 0

0 0

0 NNLJ 0

0 0

0

o 0

TOTAL 0

()

0 0

0

?

f'EIUQ[IS OF Cf-1LM C HOUli:S > :

0 HOURS OF MISSING DA ltd o-TOTAL 0

0 0

()

0 0

0 2

. "I'ABI,E l~ of 7

7

~

_.,_...,l *

--* -*--*--- *****- '*.... i --***

ARTIFICIAL ISLAND SALEM UNIT 1 PERIOD OF RECORD: 111679 TO 121479 STABILITY CLASS: SLIGHTLY STABLE DELTA T -0.5 TO 1.5 ~

LAPSE RATE IN DEG C/100 METERS 1

EVALUATED USING DELTA T 300-33 FT ELEVATION:

300 FEET Wif'.IDSl=*EED <MPH> AT 300 FEET WIND DH:EC-TIDN 1-3 4-7

,8-12 13-18 19-24

>24 N

0 3

NNE 0

1 NE 0

0

['or-0 0

i"lt:.

E 0

0 ESE 0

0 SE 0

0 SSE 0

0 c

0 0

SSW 0

0 t)l1J 0

0

~ISW 0

0 lJ 0

()

wr~l.J 0

()

NW 0

0 NNW 0

0 0

0

.0 0

0 0

0

o.

0 0

()

0 0

2 0

0 0

r) 0 0

TOT1'.:'iL 0

4 0

0 F'E!UODS OF CALM ( MOWW > :

0 HOlJF.:S OF MISSING DATA:

1

~

TOTAL 3

1 0

0 0

0 0,.,

0

,0 0

2 8

'l 1A BLE 7 5 of 7

= h* p.* ;, 'i * * *

t* * *'t..,,,.,;*h-w* rans* ** *,,.., '"*4H m*"*=' **e*tuk **

- - sit+

i** * '~' J 'b!t,"1,... -"*-***,-

1*

ARTIFICIAL ISLAND SALEM UNIT l.

PERIOD*OF RECORD: 111679 TO 121479

-** j...

- STABILITY CLASS: MODERATELY STABLE DELTA T 1.5 TO 4.0 ~

LAPSE RATE IN DEG C/100 METERS

EVALUATED USING DELTA T 300-33°FT ELEVATION:

300 FEET WINDSPEED ( MPl-I > AT 300 FEET WIND DIHEC-TION 1-3 4-7 8-12 13-18 19-24

>24 TOTAL N

0 0

0 Nl~E 0

0 0

NE 0

0 0

ENE 0

0 0

E 0

0 0

ESE 0

0 0

SE 0

0 0

SSE 0

0 0

s 0

0 0

SStJ 0

0

()

0 1

3 4

SW 0

0 0

WSW 0

0 0

w 0

0 0

0

()

l:JNW 0

0 0

0

()

Nl*J 0

0 0

NNW 0

0 0

TOTAL 0

0 0

0 1

3 4

PEI:;; I ODS OF CALM < 1-1mms) :

0 HOlJF\\S OF MISSING Df.1TA:

0

.... =** **

TABLF. 7 6 of 7

I I

0 ti

.*. e!eti I

I W" I -* - -

t,.,

ARTIFICIAL ISLAND SALEM UNIT 1 PERIOD OF RECORD: 111679 TO 121479 STABILITY CLASS: EXTREMELY STABLE DELTA T >4.0 -

LAPSE RATE IN DEG C/100 METERS EVALUATED USING DELTA T 300-33 FT ELEVATION:

300 FEET WI N[ISF'EE[I C MPl-I) AT 300 FEET liJI ND IHli:EC-TION 1-3

'i-7

.a-12.

13*-18 19-24

)e24 N

0 0

NNE 0

0 0

0 NE I

0 0

ENE 0

0 0

0 E

0

()

0 0

ESE 0

0

()

.o 0

0 SE b

0 0

0 SSE 0

0 0

0

()

0 s

o 0

0 0

SSW 0

0 0

0 SW 0

0 0

0 WSW 0

0 0

0 w

0 0

()

0 0

0 liJNW 0

()

0 0

NW 0

0 0

0

()

0 NNW 0

0 0

0 TOTAL 0

0

()

0 0

0 f'ERIODS OF Ca~LM < HOUl:"\\S >:

0 HOURS'OF MISSING DATA:

0 TOTAL 0

0 0

()

0 0

0

'l'ABLg 7 7 of 7

ML18081B172

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