ML20082K852

Semiannual Monitoring Rept for 910101-0630

ML20082K852
Person / Time
Site:	Point Beach
Issue date:	06/30/1991
From:	WISCONSIN ELECTRIC POWER CO.
To:
Shared Package
ML20082K841	List: ML20082K839 ML20082K852
References
NUDOCS 9109030064
Download: ML20082K852 (16)

Text

- . .

N I WISCONSIN ELECTRIC SEMIANNUAL I MONITORING REPORT JANUARY,1991 through JUNE,1991 I

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I PREFACE I This Semlannual Monitoring Report for the period of January 1,1991, through June 30,1991, is submitted in accordance with Point Beach Nuclear Plant Unit Nos.1 and 2 Technical Specification 15.7.8.4 and filed undar Docket Nos. 50-266 and 50-301 for Facility Operation License Nos. DPR 24 and DPR 27, respectively.

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I TABLE OF CONTENTS I

Etsil.QD Iit!t PJtat 1.0 9adioactive Liquid Releases 1 2.0 Radioactive Airborne Releases 5 3.0 Radioactive Solid Waste Shipments 8 4.0 New and Spent Fuel Shipments 8 5.0 Radiological Environmental Monitoring 8 6.0 Nonradioactive Chemical Releases 11 7.0 Circulating Water System Operation 11 8.0 Leak Testing of Radioactive Sources 12 9.0 Misce!!aneous Reporting Requirements 12 I

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SEMIANNUAL MONITORING REPORT January 1,1991 to June 30,1991 I 1.0 RADIOACTIVE LIQUID RELE ASES The total radioactive liquid release, excluding tritium for this reporting period, was 1.10E 02 curies.

This included 2.82E-04 curies in processed radioactive waste and primary coolant system letdown,

< MDA curies in Unit 1 steam generator blowdown,1.07E-02 curies in Unit 2 steem generator blowdown and <MDA curies in retention pond effluent.

The total tritium release for this reporting period was 3.79E + 02 curies. This included 3.76E + 02 curies in processed radioactive waste and primary coolant system letdown, I 2.41E 02 curies in Unit 1 steam generator blowdown,2.40E + 00 curies in Unit 2 steam generator blowdown and 3.85E-01 curies in retention pond effluent.

1.1 Circulatina Water Radionuclide Release Summary 1.1.1 Releases During Current Reporting Period Radioactive liquid releases via the cliculating water discharge are summarized by individual source, total and equivalent curie release on a monthly basis and presented in Table 1 1.

I 1.1.2 Additions to Previous Semiannual Monitoring Report I The following information was not available at the time of the previous report preparation and should be added to Table 1-1 of the Semiannual Monitoring Report for July 1,1990, through December 31,1990.

I 6-MONTH Total Act:vity Released (Ci)

Gross Alpha <MDA <MDA 4.22 E-05 Strontium 8.24 E-07 < MDA 2.60E-05 Average Diluted Discharge Concentration (pCi/cc)

Gross Alpha <MDA < MDA 1.29E-14 <MDA I Strentium I

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I I 1.2 ligtooic Comoosition of Circulatina Water Discharaes 1.2.1 Releases During Current Reporting Period The isotopic composition of circulating water discharges during the current reporting period is presented in Table 12, I 1.2.2 Additions to Previous Semiannual Monitoring Report I The following information was not available at the time of report preparation and should be added to Table 12 of the Semlannual Monitoring repon for July .,1990, through December 31,1990.

6 MONTH HQY D_E.C _ _ TOT AL  !

St 89(Ci) < MDA < MDA < MDA I

Sr 90(Cil 8.24E-07 <MDA 2.60E-05 I 1.3 Subsoil Drain System Releases of Tritium 1.3.1 Releases During Current Reporting Period The releases of tritium via the subsoil drain system during the current i reporting period is presented in Table 1-3.

I TABLE 1-3 SUBSOIL SYSTEM DRAINS - TRITIUM

SUMMARY

January 1,1991 through June 30,1991 ,

First Quarter E-1 1.3 M S-J.D Inta!s H 3 (pCi/cc) < MDA < MDA No Sample < MDA Ave. Flow (gpd) 1.85E + 04 2.49E 4 03 No Flow 1.92E + 04 Second Ongtigt H 3 ( Ci/cc) < MDA < MDA < MDA <MDA Ave. Flow (opd) 1.22E + 04 3.88E + 03 9.60E + 01 6.4 2E + 03 Eemiannual Totals i Total Released (Ci) < MDA < MDA < MDA < MDA < MDA Total Flow (gais) 2.78E + 06 5.77E + 05 8.74E + 03 2.31 E + 06 5.68E + 06 I

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- TABLE 1-2 ISOTOPIC COMPOSITION OF CIRCULATING WATER DISCHARGES JANUARY 1,1991 THROUGH JUNE 30,1991 NUCLIDES JAN. FEB MAR APR MAY JUN TOTAL RELEASED (Curies) (Curies) LCurigs_1 (Curies) (Curies) (Curied ICunes)

Tritium 5.4SE + 01 8.46E + 01 9.92E + 01 5.21E+01 6.OGE + 01 2.78E + 01 3.79E + O2 I-131 < MDA <MDA 1.77E-04 <MDA 1.06E-04 9.96E-05 3.83E-04 I-133 1.36E-03 6.73E-04 1.57E-03 1.61 E-03 1.82E-03 1.62E-03 8.65E-03 1-135 < MDA < MDA 3.43E-04 < MDA <MDA < MDA 3.43E-04 F-18 < MDA < MDA 8.87E-05 1.81 E-04 < MDA < MDA 2.70E-04

1. Ag-110m < MDA < MDA < MDA 8.23E-05 3.12E-05 < MDA 1.14E-04 Co-58 < MDA <MDA < MDA 2.33E-07 1.78E-05 3.37E-06 2.14E-05 Co-60 <MDA 6.48E-06 2.60E-05 3.28E-05 3.91 E-05 1.70E-05 1.21 E-04 Cc-134m < MDA < MDA < MDA < MDA 4.67E-04 < MDA 4.67E-04 Cs-137 < MDA 1.03E-04 1.78E-04 4.98E-06 5.53E-06 < MDA 2.92E-04 Nb-97 < MDA < M DA 2.25E-06 < MDA < MDA 3.05E-06 5.30E-06 Co-144 < MDA <MDA 9.64E-06 <MDA <MDA < MDA 9.64E-06 Te-132 < MDA < M DA 1.74E-04 < MDA < MDA < MDA 1.74E-04 U-235 < MDA < MDA 1.24 E-04 < MDA < MDA < MDA 1.24E-04 St A9 < MDA < MDA ' 52E-06 (1) (1) (1) (1)

Sr-90 < MDA 2.99E-05 "DA (1) (1) (1) (1)

L (1) Information unavailable at time of report preparation.

Note: Dissolved noble gases detected in l'quid effluents are included in airborne release totals.

I I 2.0 RADIOACTIVE AIRBORNE REl_EAJ1$

I The release paths contributing to radioactive airborne release totals during this reporting period were the auxiliary building vent stack, drumming area vent stack, gas stripper building vent stack, Unit 1 containment puron stack, Unit 2 containment purge stack, combined air ejector decay duct exhaust and turbine building ventilation exhaust.

There was one gas decay tank released during this reporting period.

2.1 Bediggtive Airborne Release Summary 2.1.1 Release During Current Reporting Period Radioactivity released in airborne effluent for the current reporting period are summarized in Table 21.

2.1.2 Additions to Previous Semiannual Monitoring Report The following information was not available at the time of the last I report preparation and should be added to Table 21 of the Semiannual Monitoring Report for July 1,1990 through December 31,1990.

6-MONTH QCI t@Y QEC TOTAL Strontium (Ci) < MDA < MDA < MDA < MDA 2.2 1sotocic Airborn3 Releases 2.2.1 Releases During Current Reporting Period The monthly isotopic airborne releases for the current reporting period are presented in Table 2 2.

2.2.2 Additions to Previous Semiannual Monitoring Report The following information was not available at the time of previous report preparation and should be added to Table 2 2 of the Semiannual I Monitoring Report, covering the period July 1,1990, through December 31,1990.

I QCI t@Y DEC 6-MONTH TOTAL.

Sr-89(Cil < MDA < MDA < MDA < MDA Sr 90(Ci) < MDA < MDA <MDA < MDA I

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a TABLE 2-2 RADIDACTIVE AIRBORNE RELEASE

SUMMARY

JANUARY 1,1991 THROUGH JUNE 30,1991 MAR APR MAY JUN TOTAL NUCLIDES JAN FEB (Curics) (Curies) (Curies) (Curies)

RELEASED ICuries) (Curies) ICuis.1 5.95E+00 1.34 E + 01 6.66E + 00 4.30E + 00 4.66E + 01 Tritium 1.02E + 01 6.06E + 00 3.61 E-02 2.81 E-02 3.17E-02 1.24E-01 2.95E-01 6.24E-01 Xe-133 1.09E-01 7.41 E-04 6.25E-04 7.56E-04 2.72E-04 1.38E-02 4.51E-O? 6.13E-02 Kr-85m 1.12E-01 1.51 E-01 1.43E-03 1.58E-03 1.81 E-03 7.93E-04 3.30E-02 Kr-88 4.83E-03 6.89E-03 7.90E-04 < MDA 2.38E-05 5.48E-05 1.19 E-03 Xe-133m 2.26E-01 3.47E-01 7.71 E-03 7.19E-03 1.02E-02 6.65E-03 8.92E-02 Xe-135 4.18E-01 5.84E-01 6.42E-03 7.70E-03 9.59E-03 3.02E-03 1.39E-01 Xe-138 9.76E-02 1.32E-01

" 1.31 E-03 1.48E-03 1.74E-03 5.99 E-04 2.89E-02 Kr-87 1.34E-01 1.86E-01 1.86E-03 2.27E-03 2.84E-03 1.12E-03 4.42E-02 Xe-135m 1.72E-01 4.23E-01 3.02E-02 3.47E-02 9.96E-02 2.55E-02 6.11 E-02 Ar-41 <MDA 1.08E-01

< MDA 3.04E-02 5.58E-02 2.18E-02 <MDA Kr-85

< MDA 1.12E-06 5.67E-07 2.32E-06 5.71E-06 1.11 E-05 I-131 1.42E-06

< MDA <MDA <MDA 2.23E-05 < MDA < MDA 2.23E-05 l-132 2.84E-06 2.27E-05 3.99E-06 312E-06 5.26E-06 1.25E-06 6.27E-06 I-133 <MDA 1.50E-06 F-18 < MDA <MDA < MDA <MDA 1.50E-06

<MDA 1.36E-06 4.47 E-06 < MDA < MDA < MDA 5.83E-06 Cs-137 < MDA 3.53E-06

<MDK 7.40E-07 2.79 E-06 < MDA < MDA Co-58 < MDA 2.29E-05

< MDA 4.78E-06 1.81 E-05 <MDA < MDA Co-60 (1) (1)

< MDA < MDA < MDA (1) (1)

Sr-89 (1)

< MDA < MDA < MDA (1) (1) (1)

C. -90 ,

8.21 E-07 1.02E-06 < MDA <MDA 2.36E-07 3.27E-06 Alpha 1.19E-06 (1) Information unavailable at time of report preparation but values typically do not alter monthly totals reported in Tabis 2-1.

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• 3.0 RADIOACTIVE SOllD WASTE SHIPMENTS Solid wastes shipped for burial during this reporting period were as follows-DATE OF SHIPMENT VOLUME TOTAL ACTIVITY I TO BURIAL 1/24/91 (CUBIC FEET) 125.2 (3)

(Curics) 2.13E + 02 BURIAL SITE Barnwell SC 3/20/91 180.1 (2) 1.37E 4 00 Barnwell SC 3/26/91 180.1 (2) 1.37C + 00 Barnwell SC 5/08/91 78.4 (1) 1.71 E-01 Barnwell SC 162.6 (') 1.50E-01 Barnwell SC I 5/10/91 5/16/91 5/17/91 474.8 (1) 100.2 (1) 1.02E-01 8.60E-02 Barnwell SC Barnwell SC Barnwell SC 6/07/91 33.5 (1) 1.76E-01 6/21/91 17.5 (1) 3.76E-03 Barnwell SC 6/21/91 6.4 (1) , 5.81 E-03 Barnwell SC TOTAL 1418.8 2.16E + 02 (1) Dry Active Waste (2) Evaporator Concentrates (3) Bead Resin I 4.0 NEW AND SPENT FUEL SHIPMENTS AND RECElPTS During this reporting period, a total of 28 new fuel assemblies were received from Westinghouse Electric Corporation for Unit 1, The new fuel assemblies received for Unit 1 were used for ine Spring 1991 refueling.

I There were no spent fuel shipments made from Point Beach Nuclear Plant during this reporting period.

5.0 RADIOLOGICAL ENVIRONMENTAL MONITORING Radiological environmental monitoring conducted at Point Beach Nuclear Plant from I January 1,1991 through June 30,1991 consisted of air filters, milk, lake water, well water, soil, fish, shoreline sediments, algae, vegetation, and TLDs.

I No significant deviations from normal results, attributable to the operation of the Point Beach Nuclear Plant, were identified during this six month reporting period. Low levels of Sr 90 and Cs 137, resulting from Chernobyl and atmospheric weapons tests, still persist in milk (Sr 90) as well as in fish and soil (Cs-137) samples. During the first quarter, a number of environmental TLDs were discovered to be wet or opaque upon return to the vendor for readout. Results for the second quarter were normal. Averages and ranges for TLD results without the suspect results are in the row indicated by an ***.

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I Um Samole Tvnt LDR An!MC Liiab Llnita I1Da 44 Environmental Radiation 0.75 1.08* 0.35 2.07 mR/7 days

'40 Environmental Radiation 0.70 0.9920.15 1.41 M

150 Gross beta 0.008 0.02810.008 0.040 pCi/m' 150 Radioiodine all < 0.03 pCi/m' 12 Cs137 all <0.01 pCl/m' 12 Cs134 all <0.01 pCi/m' 12 Other Gamma Emitters all < 0.01 pCi/m' g i

Milk I 18 18 18 Radiolodine Sr89 Sr90 0.8 all < 0.5 all < 1 1.540.4 2.0 pCill pCi/l pCill pCill I 18 18 18 Cs 134 Cs 137 Ba-La 140 all < 5 all < 5 all < 5 pCi/l pCi/l 18 Other Gamma Emitters all < 5 pCill  ;

LahtMA.tcI I 29 10 10 Gross Beta Tritium Sr89 0.9 118 2.510.0

< 201151 all < 5 4.3 251 pCill pCi/l pCill t

10 Sr90 all < 1 pCi/l r I 29 29 20 Radioiouina Mn 54 Fe 59 all < 0.5 all < 10 all < 30 pCi/l pCi/l pCi/l c

I 29 29 29 Co 58 Co 60 Zn 65 all < 10 all < 10 all < 30 pCill pCi/l pCill i pCill I 29 29 29 Zr Nb 95 Cc-134 Cs 137 all < 15 all < 10 all < 10 pCill pCill l

29 Ba La 140 all < 15 pCill 29 Other Gamma Emitters all <30 pCi/l I i I  !

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lim Samole tvd 2 LQn AYEBat 13iQh Uni.11 WitLWrict I 2 2

Gross Beta H3 1.8 2.941.5 all < 200 3.9 pCiti pCi/l St89 all < 5 pCill I

2 2 Sr 90 all < 1 pCill 2 1131 all < 0.5 pCill 2 Mn 54 all < 10 pCill I 2 2

2 Fe 59 Co 58 Co 60 all < 30 all < 10 all < 10 .

pCill pCill pCill pCill I 2 2

2 Zn 65 Zr-Nb-95 Cs 134 all < 30 all < 15 all < 10 pCl/l pCill 2 Cs 137 all < 10 pCill I 2 2

Ba-la 140 Other Gamma Emitters all < 15 all < 30 pCill pCill MI 4 Gross Beta 2.1 2.4 s 0.3 2.8 pCilo wet 4 Mn 54 all <0.13 pCi/g wet I 4 4

4 Fe-59 Co 58 Co 60 all < 0.26 all < 0.13 all < 0.13 pCilo wet pCilg wet pCi/o wet Zn 65 all < 0.26 pCilg wet I

4 4 Cs 134 all < 0.13 pCi/o wet 4 Cv137 < 0.036 < 0.069 s 0.025 0.070pCi/o wet 4 Other Gamma Emitters all < 0.5 pCilg wet SDil I 8 8

8 Gross Beta Cs 137 Other Gamma Emitters 13.3 0.13 23.615.5 0.37 i 0.17 all <0.15 28.9 0.70 pCilo dry pCilo dry pCilo dry Shoreline Sediment 5 Gross Beta 5.5 7.2x1.8 9.8 pCilo dry I 5 5

Cs 137 Other Gamma Emitters

<0.03 < 0.1210.16 0.40 all < 0.15 pCi/g dry pCi/o dry Venetation 8 Gross Beta 3.8 5.220.8 5.8 pCilg wet 8 Cs 137 <0.08 < 0.1010.00 0.26 pCi/g wet I 8 8

Cs 134 l131 all < 0.06 all <0.06 all < 0.25 -

pCilo wet pCilg wet pCi/g wet 8 Other Gamma Emitters I

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Alatt l 2 Gross Deta 1.2 1.4 :t 0.3 1.6 pCilo wet 2 Co 58 all < 0.25 pCilg wet I I 2 2

2 Co 60 Cs 134 Cs 137 <0.02 all < 0.25 all <0.25

< 0.03

• 0.02 0.05 pCi/g wet pCi/g wet pCi/o wet j

2 Other Gamma Emitters all <0.25 pCi/o wet I l 6.0 NONRADIOAQLYE CHEMICAL RELEASES l 0,1 $shc.dyled Chemical Waste Releasta I Scheduled chemical waste releases to the circulating water system January 1.1991, to June 30,1991, included 5.12E 4 00 gallons of i; tralized wastewater. The wastewater contained 4.02E + O2 pounds of suspended solids n

1 and 4.10E + 05 pounds of dissolved solids, I

j

heduled chemical waste releases are based on t se average analytical results l

< . stained from sampling a representative number of .1eutralizing tanks.

6.2 Miscellaneous.. Chemical Wan.te Reles.ss.s Miscellaneous chemical waste releases from the retention pond (based on effluent I analyses) to the circulating water for January 1,1991, to June 30,1991, included 2.71E + 07 gallons of clear wastewater. The wastewater contained l

4.25E + 03 pounds of suspended solids.

I 'Miscellantous chemical was released directly to the circulating water, based on amount of chemicals used for January 1,1991, to June 30,1991, included i

)

I 4.05E + 03 pounds of sodium bisulfite and 1.84E + 03 pounds of sodium hypochlorite.

7.0 CIRCUL ATING WATER SYSTEM OPERAJOB The cliculating water system operation during this reporting period for peiiods of plant i operation is described in Table 71, i i

I I '

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I I TABLE 71 CIRCULATING WAT[R SYSTLM OPERATION January 1,1991 to June 30,1991 I JAN fl0 LBB ofB hMY JLW Average Volume Cooling U1 316.8 316.8 341.7 469.7* 475.8' 554.4 I Water Discharge (Million gal /dayl U2 316.8 316.8 341.7 567.6 562.0 554.4 I Average Cooling Water Intake Temperature (Degrees F)

U1 U2 37.2 37.2 37.0 37.0 37.3 37.2 42.0' 43.2 46.7' 45.8 53.5 53.5 Average Cooling Water U1 67.2 67.7 65.9 60.4* 62.4' 71.7 Discharge Temperature (Degrees F) U2 69.1 71.0 66.5 63.4 69.1 77.0 Average Ambient Lake Temperature (Degrees F) 34 0 35.5 37.0 43.0 46.0 54.0

(' Unit 1 relueling shutdown from Apol 8,1991 to May 16,1991)

(For days with cooling water discharge flow) 8.0 LEAK TESTING OEEApjDACTIVE SOURCES During this reporting period, all applicable scaled radioactive sources were leak tested in

' accordance with Technical Specification 15.4.12. Leak test results were all <0.005 Ci.

9.0 bilS.CFJ1AJEOUS REPOR11NG REQUIREMENIS 9.1 Revisions to the PENP Offsit? QQ1g CalpulalignJdanualiQQCM1 and Prgrass I Cnnitol Prooram (PCPI No revisions were made to the ODCM or PCP during this reporting seriod. The Environmental Manual was revised. A complete copy is being sent to the NRC.

The changes made to the Environmental Manual consist of the following;

1. organizational name changes necessitated by the reorganization of the Nuclear Power Department.

2. a new location for milk sampling site E 19 necessitated by the former dairy farm being sold in December of 1990. No samples were missed because the new dairy sampling site was initiated in January 1991.

9.2 interlaboratorv Comoarison Proaram The analytical laboratory contracted to perform the radioanalyses of the PBNP I environmental samples participated in the EPA Interlaboratory Comparison Program during this reporthg period.

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= 9.3 Dtylations from_50 esc 11m pa?g,gg act afpc1e_1yncadocations..An11tenucocJts Sample types, sampling locations, and collection frequencies complied with I Technical Specification 16.7.7.A during this reporting period.

9.4 $ 2CD. m E 01 110Athityabi tScc @e11nri onmenteLLLDA

.t All LLDs listed in Table 15.7.7 2 of the PDNP Technical Specifications achieved were during this sampong period.

Correction: Tro word ' achieved

• in the above sentence was inadvertently omitted from this sentence in the July 1 December 31,1990 Semiannual Monitoring Heport.

0.5 SctrinLCksumstances No special circumstances report regarding operation of the emplosive gas monitor for the waste gas holdup system was needed during this reporting period.

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