ML20141M535

Effluent Semiannual Rept,910701-920105,Supplemental Info

ML20141M535
Person / Time
Site:	Prairie Island
Issue date:	01/05/1992
From:	NORTHERN STATES POWER CO.
To:
Shared Package
ML20141M514	List: ML20141M512 ML20141M530 ML20141M535
References
NUDOCS 9209010087
Download: ML20141M535 (8)

Text

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'1991 Effluent Semiannual Report REV. 1

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Page 1 of 8 Retention: Lifetime

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4 EFFLUENT SEMIANNUAL REPORT 01-JUL-91 THROUGH 05-JAN-92 2 SUPPLEMENTAL INFORMATION 4

Facility: Prairie Island Nuclear Generating Plant Licensee: Northern States Power Company License Numbers: DPR-42 & DPR-60 A. Regulatory Limits

1. Liquid Effluents:

a. The dose or dose commitment to an individual from radioactive materials in ligeid effluante ralaamad from the site shall be limited to:

fo.- the quarter 3.0 mrem to the total body 10.0 mrem to any organ for the year 6.0 mrem to the total body 20.0 mrem to any organ

2. Gaseous Effluents:

a. The dote rata due to radioactive materials ;eJJased in i gaseous effluents from the site shall be limited to:

noble gaser 4500 mrem / year total body 43000 mrem / year skin t

l I-131, H-3, LLP 41500 mrem / year to any organ

b. The dose due to radioactive gaseous effluents shall be limited to:

noble gases 410 mrad / quarter gamma 420 mrad / quarter beta 420 mrad / year gamma 440 mrad / year beta I I-131, 3-3, LLP 415 mrem / quarter to any organ L

430 mrem / year to any organ

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'1991 EFFLUENT SEMIANNUAL REPORT REV. 1 PAGE 2 B. Maximum Permissible Concentration

1. Fission and activation gases in gaseous releases:

10 CFR 20, Appendix B, Table 2, Column 1

3. Iodine and particulates with halflives greater than 8 days in gaseous releases:

10 CFR 20, Appendix B, Table 2, Column 1

3. Liquid effl ents for radionuclides other than dissolved or entrained gases:

10 CFR 20, Appendix B, Table 2, Column 2

4. Liquid effluent dissolved and entrained gases:

2.0E-04 uCi/ml Total Activity C. Average Energy Nvl applicable to Prairie Island regulatory limits.

D. Measurements and approximations of total activity

1. Fission and activation gases Total GeLi 25%

in gaseous releases: Nuclide GeLi

2. Iodines in gaseous releases: Total GeLi !25%

Nuclide GeLi

3. -- Pa r ti cul a t e s in gaseous releases: Total GeLi 25%

Nuclide GeLi

4. Liquid effluents Total GeLi t25%

Nuclide GoLi E. Manual Revisions

1. Offsite Dose Calculations Mapual latest Revision number: 12 Revision date  : 30-JUN-91

2. Process Control Program Manual latest Revision number: 4 Revision date  : 23-APR-91

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'1991 ETFLUENT SEMIANNUAL REPORT REV. 1 PAGE 3 1.0 BATCH RELEASES (LIQUID) QTR: 03 QTR: 04 1

1.1 NUMBER OF BATCH RELEASES 2.90E+01 2.80E+01 1.2 TOTAL TIME PERIOD (HRS) 4.82E+01 4.21E+01 s

1.3 MAXIMUM TIME PERIOD (HRS) 2.75E+00 1.83E+00 1.4 AVERAGE TIME PERIOD (HRS) 1.66E+00 1.50E+00 1.5 MINIMUM TIME PERIOD (HRS)- 9.50E-01 1.27E+00 1.6 AVERAGE MISSISSIPPI RIVER FLOW (CFS) 2.70E+04 1.98E+04 2.0 BATCH RELEASES (GASEOUS) QTR: 03 QTR: ~ 04 2.1 NUMBER OF BATCH RELEASES 5.00E+00 0.00E+00 2.2 TOTAL TIME PERIOD (HRS) 4.30E+00' 0.00E+00 2.3 MAXIMUM TIME' PERIOD. (HRS) 3.80E+00 0.00E+00 2.4 AVERAGE TIME PERIOD (HRS) 8.60E 0.00E+00 2.5 MINIMUM TIME PERIOD (HRS) 2.00E-02 0.00E+00 3.0 ABNORMAL RELEASES (LIQUID) QTR: 03: QTR: 04 3.1 ' NUMBER OF RELEASES 0.00Ev00- 0.00E+00 3.2 TOTAL ACTIVITY' RELEASED (CI) ..00E+00:

0' 0.00E+00 3.3 TOTAT TRIT.IUM RELL (CI) 0.00E+00 0.00E+00 4.0 ABNORMAL RELEASES (GASEOUS) QTR: 03 QTR: 04 4.1 NUMBER OF REIEASES 0.00E+00 0.00E+00 4.2 TOTAL ACTIVITY RELEASED (CI) 0.00E+00 0.00E+00

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REV. 1 PAGE 4 1991 EFFLUENT SEMIANNUAL REPORT TABLE 1A GASEOUS EFFLUENTS - SUMMATION OF ALL RELEASES QTR: 03 QTR: 04 5.0 FISSION AND ACTIVATION" GASFS 5.1 TOTAL RELEASE (CI) 2.19E-01 0.00E+00 5.2 AVEP. AGE RELEASE RATE (UCI/SEC) 2.78E-02 0.00E+00 5.3 GAMMA DOSE (MRAD)

.70e-20 '

O.00E+00 5.4 BETA DOSE (MRAD) 1.762-03 0.00E+00 5.5 PERCENT OF GAMMA TECH SPEC (%) 1.70E-04 0.00E+00 5.6 PERCENT OF BETA TEC1 SPEC (%) 8.90E-03 0.00E+00 6.0 IODINES 6.1 TOTAL I-131 (CI) 4.59E-06 0.00E+00 6.2 AVERAGE RELEASE RATE (UCI/SEC) 5.84E-07 0.00E+00 7,0 PARTICULATES 7.1 TOTAL RELEASE (CI) 3.90E-07 0.00E+00 7.2 AVERAGE RELEASE RATE (UCI/SEC) 4.96E-08 0.00E+00 8.0 TRITIUM 8.1 TOTAL RELEASE (CI) 1.83E+01 1.35E+(1 8.2 AVERAGE RELEASE RATE (UCI/SEC) 2.33E+00 1.59E+0b 9.0 TOTAL IODINE, PARTICULATE AND TRITIUM (UCI/SEC) 2.33E+00 1.59E+00 10.0 DOSE (MREM) 3.34E-02 2.43E-02 11.0 PERCENT OF TECH SPEC (%) 2.23E-01 1.62E-01 12.0 GROSS ALPHA (CI) 0.00E+00 0.00E+00 1

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1991 EFFLUENT SEMIANNUAL REPORT REV. 1 PAGE 5 l J

TABLE 1C GASEOUS EFFLUENTS - GROUND LEVEL RELEASES FISSION AND ACTIVATION GASES 13.0 CONTINUOUS MODE BATCH MODE NUCLIDE UNITS QTR: 03 QTR: 04 QTR: 03 QTR: 04 KR-85 CI 2.18E-0 f __

XE-133 CI 9.27E-04 TCTAL CI 0.00E+00 0.00E+00 2.19E-01 0.00E+00 CONTINUOUS MODE BATCH MODE f

NUCLIDE UNITS QTR: 03 CTR: 04 QTR: 03 QTR: 04' I-131 CI 4.59E-06 l TOTAL CI 4.59E-06 0.00E+00 0.00E+00 0.00E+00 i

15.0 PARTICULATES CONTINUOUS MODE BATCH MODE NUCLIDE UNITS QTR: 03 QTR:-04 QTR: 03 .QTR: 04 CS-134 1.58E-07 fCI CS-137 CI 2.32E-07 TOTAL CI 0.00E+00 0.00E+00 3.90E-07 0.00E+00 L

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1 1991 EFTLUENT SEMIANNUAL REPORT REV. 1 PAGE 6 TABLE 2A' LIQUID EFFLUENTS - SUMMATION OF ALL RELEASES QTR: 03 QTR: 04 l I

16.0 VOLUME OF WASTE PRIOR TO DILUTION (LITERS) 3.25E+07 4.23E+07 17.0. VOLUME OF DILUTION WATER (IITEgo) 2.65E+11 1.90E+11 18.0 FISSION AND ACTIVATION PRODUCTS 18.1 TOTAL RELEASE W/O H-3,.RADGAS, ALPHA (CI) l4.13E-02 8.29E-02 18.2- AVERAGE DILUTED CONCENTRATION (UCI/ML) 1.56E-10 4.36E-10 19.0 TRITIUM 19.1 TOTAL RELEASE (CI) '1.62E+02 1.56E+02 29.2 AVERACE DILUTED CONCENTRATION (UCI/ML) 6.11E-07 8.21E-07 t

20.0 DISSOLVED AND ENTRAINED GASES 20.1 TOTAL RELEASE (CI) 2.15E-03 9.23E-04 20.2 AVERAGE DILUTED CONCENTRATION (UCI/ML) 8.11E-12 4.86E-12 21.0 GROSS ALPHA (CI) 0.00E+00 -0,00E+00 22.0 TOTAL TRITIUM, FISSION AND ACTIVATION PRODUCTS (UCI/ML) 6.11E-07 8.21E-07 23.0 TOTAL BODY DOSE (MREM) 5.45E-04 5.71E-04 24.0 CRITICAL ORGAN 24.1 DOSE (MREM) 5.45E-04 5;71E-04 24.2 ORGAN TTL BODY TTL BODY 25.0 PERCENT OF TOTAL BODY TECH SPEC LIMIT (%) I 1.82E-02 1.90E-02 L

26.0 PERCENT OF CRITICAL ORGAN TECH SPEC LIMIT ( 1, ) 1.82E-02 1.-90E-02

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1991 EFFLUENT SEMIANNUAL REPORT REV. 1 PAGE 7 TABLE 2A LIQUID EFFLUENTS - SUMMATION OF ALL RELEASES 27.0 INDIVIDUAL LIQUID EFFLUENT CONTINUOUS NODE BATCH MODE NUCLIDE UNITS QTR: 03 QTR: 04 QTR: 03 QTR: 04 AG-108M CI 3.60E-06 AG"110M CI 2.42E-07 '1.57E-02 BE-7 CI 1.95E-04 1.10E-03 00-57 'T 5.90E-06 CO-58 .. 9.50E-04 1.12E-03

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CO-60 CI 7.38E-04 3.13E-03 CR-51 CI -. 2 . 0 5 E- 0 3 2.12E-04 CS-134 CI 8.98E-06 8.54E-06 CS-137 CI 3.46E-05 2.70E-05 FE-55 CI 3.17E-03 8.09E-03 5.80E-02 FE-59 CI 1.71E-04. 2.68E-04 I-131 CI 4.54E-06 LA-140 CI 6.67E-06:

MN-54 CI 5.41E-06 4.55E-04 NB-97 CI 4.61E-06 SC-47 CI 1.45E-05 3.89E-05 SB-124 CI 4.75E-04 -2.80E-04 SF-125 CI 8.52E-04 2.20E-03 SN-ll3 CI 3.23E-04 4.22E-04 SR-92 CI 5.44E-06 u- W-187 CI- 9.09E-06 -

ZR-95 CI 6.25E-05 POTAL CI 3.17E-03 0.00E+00 3.81E-02 8. 29 E- 02

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'1991 EFFLUENI SEMIANNUAL RCPOF.T REV. 1 PAGE 8 TABLE 2A LIQUID EFFLUENTS - SUMMATION OF ALL RELEASES ,

28.0 DISSOLVED AND ENTRAINED GASES CONTINUOUS MODE BATCH MODE NUCLIDE UNITS' QTR: 03 QTR: 04 QTR: 03 QTR: 04 KR-85 CI 2.31E-04 XE-133 CI 1.01E-03 9.03E-04 XE-135 CI 8.56E-06 '.99E-05 TOTAL CI 0.00E+00 0.00E+00 2.15E-03 '9.23E-04 4

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