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        '1991 Effluent Semiannual Report                         REV. 1
'1991 Effluent Semiannual Report REV. 1 Page 1 of 8
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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
EFFLUENT SEMIANNUAL REPORT 4
Facility:                         Prairie Island Nuclear Generating Plant Licensee:                         Northern States Power Company License Numbers: DPR-42 & DPR-60 A.       Regulatory Limits
01-JUL-91 THROUGH 05-JAN-92 SUPPLEMENTAL INFORMATION 2
: 1. Liquid Effluents:
4 Facility:
: a. The dose or dose commitment to an individual from radioactive materials in ligeid effluante ralaamad from the site shall be limited to:
Prairie Island Nuclear Generating Plant Licensee:
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
Northern States Power Company License Numbers: DPR-42 & DPR-60 A.
: 2. Gaseous Effluents:
Regulatory Limits 1.
: a. The dote rata due to radioactive materials ;eJJased in i                         gaseous effluents from the site shall be limited to:
Liquid Effluents:
noble gaser                               4500 mrem / year total body 43000 mrem / year skin t
a.
l I-131, H-3, LLP                         41500 mrem / year to any organ
The dose or dose commitment to an individual from radioactive materials in ligeid effluante ralaamad from the site shall be limited to:
: b. The dose due to radioactive gaseous effluents 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.
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
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
430 mrem / year to any organ
                      ;gn'o!88??058Sl}g2 R
;gn'o!88??058Sl}g2 R
                              . . . _ . . _ _                    ._ _... _. ~             .  ~,    _ - - ,
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    '1991 EFFLUENT SEMIANNUAL REPORT                                                               REV. 1                             PAGE 2 B. Maximum Permissible Concentration
'1991 EFFLUENT SEMIANNUAL REPORT REV. 1 PAGE 2 B.
: 1. Fission and activation gases in gaseous releases:
Maximum Permissible Concentration 1.
10 CFR 20, Appendix                                                       B,   Table 2, Column 1
Fission and activation gases in gaseous releases:
: 3. Iodine and particulates with halflives greater than 8 days in gaseous releases:
10 CFR 20, Appendix B,
10 CFR 20, Appendix B, Table 2, Column 1
Table 2, Column 1 3.
: 3. Liquid effl ents for radionuclides other than dissolved or entrained gases:
Iodine and particulates with halflives greater than 8 days in gaseous releases:
10 CFR 20, Appendix B, Table 2, Column 2
10 CFR 20, Appendix B, Table 2, Column 1 3.
: 4. Liquid effluent dissolved and entrained gases:
Liquid effl ents for radionuclides other than dissolved or entrained gases:
2.0E-04 uCi/ml Total Activity C. Average Energy Nvl applicable to Prairie Island regulatory limits.
10 CFR 20, Appendix B,
D. Measurements and approximations of total activity
Table 2, Column 2 4.
: 1. Fission and activation gases                                                                 Total       GeLi     25%
Liquid effluent dissolved and entrained gases:
in gaseous releases:                                                                         Nuclide     GeLi
2.0E-04 uCi/ml Total Activity C.
: 2. Iodines in gaseous releases:                                                                 Total       GeLi   !25%
Average Energy Nvl applicable to Prairie Island regulatory limits.
Nuclide     GeLi
D.
: 3. -- Pa r ti cul a t e s in gaseous releases:                                                   Total       GeLi     25%
Measurements and approximations of total activity 1.
Nuclide     GeLi
Fission and activation gases Total GeLi 25%
: 4. Liquid effluents                                                                           Total       GeLi   t25%
in gaseous releases:
Nuclide     GoLi E. Manual Revisions
Nuclide GeLi 2.
: 1. Offsite Dose Calculations Mapual latest Revision number:                                                               12 Revision date   : 30-JUN-91
Iodines in gaseous releases:
: 2. Process Control Program Manual                                                           latest Revision number:       4 Revision date   : 23-APR-91
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
'1991 ETFLUENT SEMIANNUAL REPORT REV. 1 PAGE 3 1.0 BATCH RELEASES (LIQUID)
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
QTR: 03 QTR: 04 1
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:
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
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
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
..00E+00:
0.00E+00 0'
3.2 TOTAL ACTIVITY' RELEASED (CI) 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
.,. _ _ - ~ _.


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)
1991 EFFLUENT SEMIANNUAL REPORT REV. 1 PAGE 4 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
                                                                      .70e-20                       '
.70e-20 O.00E+00 5.3 GAMMA DOSE (MRAD) 5.4 BETA DOSE (MRAD) 1.762-03 0.00E+00 5.5 PERCENT OF GAMMA TECH SPEC (%)
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
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 1.59E+0b 8.2 AVERAGE RELEASE RATE (UCI/SEC) 2.33E+00 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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l' 1991 EFFLUENT SEMIANNUAL REPORT REV. 1 PAGE 5
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1991 EFFLUENT SEMIANNUAL REPORT                   REV. 1                                             PAGE 5 l J
J TABLE 1C GASEOUS EFFLUENTS - GROUND LEVEL RELEASES 13.0 FISSION AND ACTIVATION GASES CONTINUOUS MODE BATCH MODE NUCLIDE UNITS QTR: 03 QTR: 04 QTR: 03 QTR: 04 f
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                                            __
KR-85 CI 2.18E-0 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
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' l
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
I-131 CI 4.59E-06 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
15.0 PARTICULATES CONTINUOUS MODE BATCH MODE NUCLIDE UNITS QTR: 03 QTR:-04 QTR: 03
l~                                                                                     _ -.-- -..- ,. - . -
.QTR: 04 fCI 1.58E-07 CS-134 CS-137 CI 2.32E-07 TOTAL CI 0.00E+00 0.00E+00 3.90E-07 0.00E+00 L
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
1 1991 EFTLUENT SEMIANNUAL REPORT REV. 1 PAGE 6 TABLE 2A' LIQUID EFFLUENTS - SUMMATION OF ALL RELEASES QTR: 03 QTR: 04 l
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
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)
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
'1.62E+02 1.56E+02 29.2 AVERACE DILUTED CONCENTRATION (UCI/ML) 6.11E-07 8.21E-07 t
26.0     PERCENT OF CRITICAL ORGAN TECH SPEC LIMIT ( 1, )                     1.82E-02                               1.-90E-02
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 I 1.82E-02 1.90E-02 25.0 PERCENT OF TOTAL BODY TECH SPEC LIMIT (%)
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
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
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:
'T 5.90E-06 CO-58 9.50E-04 1.12E-03
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
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                                                                                             ,
'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
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
'.99E-05 TOTAL CI 0.00E+00 0.00E+00 2.15E-03
'9.23E-04 4
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Latest revision as of 14:14, 11 December 2024

Effluent Semiannual Rept,910701-920105,Supplemental Info
ML20141M535
Person / Time
Site: Prairie Island  Xcel Energy icon.png
Issue date: 01/05/1992
From:
NORTHERN STATES POWER CO.
To:
Shared Package
ML20141M514 List:
References
NUDOCS 9209010087
Download: ML20141M535 (8)
v • d • e


Text

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'1991 Effluent Semiannual Report REV. 1 Page 1 of 8

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Retention: Lifetime

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EFFLUENT SEMIANNUAL REPORT 4

01-JUL-91 THROUGH 05-JAN-92 SUPPLEMENTAL INFORMATION 2

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

gn'o!88??058Sl}g2 R

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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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1

'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

..00E+00:

0.00E+00 0'

3.2 TOTAL ACTIVITY' RELEASED (CI) 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

.,. _ _ - ~ _.

1991 EFFLUENT SEMIANNUAL REPORT REV. 1 PAGE 4 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

.70e-20 O.00E+00 5.3 GAMMA DOSE (MRAD) 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 1.59E+0b 8.2 AVERAGE RELEASE RATE (UCI/SEC) 2.33E+00 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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l' 1991 EFFLUENT SEMIANNUAL REPORT REV. 1 PAGE 5

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J TABLE 1C GASEOUS EFFLUENTS - GROUND LEVEL RELEASES 13.0 FISSION AND ACTIVATION GASES CONTINUOUS MODE BATCH MODE NUCLIDE UNITS QTR: 03 QTR: 04 QTR: 03 QTR: 04 f

KR-85 CI 2.18E-0 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' l

I-131 CI 4.59E-06 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 fCI 1.58E-07 CS-134 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

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 I 1.82E-02 1.90E-02 25.0 PERCENT OF TOTAL BODY TECH SPEC LIMIT (%)

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

?

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

+

'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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