ML20154J624

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Semiannual Radioactive Effluent Release Rept,Jul-Dec 1985
ML20154J624
Person / Time
Site: Fort Saint Vrain Xcel Energy icon.png
Issue date: 12/31/1985
From: Gahm J
PUBLIC SERVICE CO. OF COLORADO
To: Gagliardo J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
P-86172, NUDOCS 8603100683
Download: ML20154J624 (17)
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Text

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SEMI-ANNUAL RADI0 ACTIVE EFFLUENT RELEASE REPORT July - December 1985 Public Service Company of Colorado Fort St. Vrain Nuclear Generating Station February 1986 8603100603 051231 on ADocK05000g7 j Ca ' ^*

/

1.0 Summary This report summarizes the radiological effluent released from the Fort St. Vrain Nuclear Generating Station for the period July througn December, 1985. In addition, Table 3.1 provides a general summary of the plant systems under radiological surveillance, and Table 4.1 summarizes the solid radioactive waste removed from the site during the aforementioned time period. This information is provided pursuant to the requirements of Section 7.5.1 e. of the Fort St. Vrain Technical Specifications.

Tritium activity continues to be the principal radionuclide released to the environment via the liquid pathway. A total of 10.99 curies of tritium was released during this reporting period. The principal radionuclide released via the gaseous pathway was xenon-133 with a total release value of 1.38 curies.

There were no unplanned gaseous or liquid radioactive releases from the site to the unrestricted area during this reporting period.

During the second half of 1985, one revision was made to the Offsite Oose Calculation Manual (SUSMAP-2) which more clearly delineated the sample site descriptions for our Radiological Environmental Surveillance Program. This revision also included one editorial change regarding lower allowable alarm setpoints.

No changes were made to the Process Control Program (SUSMAP-3) during the reporting period.

No license-initiated major changes to the radioactive waste systems were completed during this reporting period. Several design changes are in progress on both the gaseous and liquid waste systems and will be discussed as they are completed in future Semi-Annual Radioactive Effluent Reports.

As per previous Semi-Annual Radioactive Effluent Reports no meteorological data will be submitted. This data is available and will be reported separately upon request.

__________x _ _ ~

In accordance with the Fort St. Vrain Offsite Dose Calculation Manual (SUSMAP-2), the dose due to radioactive liquid and gaseous releases made in 1985 was as follows:

Liquid - 10CFR50 Whole Body 1.9E-1 mrem Organ (Maximum) 2.2E-1 mrem Gas - 10CFR50 Noble Gas Gamma 7.5E-5 mrad Beta 1.3E-4 mrad Iodine, Particulates, Tritium Adult Whole Body 4.5E-5 mrem Organ (Maximum) 4.5E-5 mrem Teen Whole Pody 4.9E-5 mrem Organ (Maximum) 4.9E-5 mrem Child Whole Body 7.3E-5 mrem Organ (Maximum) 7.3E-5 mrem Infant Whole Body 6.2E-5 mrem Organ (Maximum) 6.2E-5 mrem Gas - 10CFR20 Iodine, Particulates, Tritium 1.1E-1 mrem As can be seen, the maximum whole body exposure and the maximum organ exposure to a member of the general public from Fort St.

Vrain releases in 1985 were less than 1.0 mrem.

s A total of six radioactive waste shipments were made during this reporting period. From a volume standpoint these shipments consisted mainly of dry active waste, de-watered resin, and absorbed oil. All containers used for these waste shipments were type A (L1-13 liners or 17-H drums certified as type A containers.). All oil was absorbed on Floor-dri Superfine, and oil-dri .

TABLE 1.1 - RADIDACTIVE LIQUID EFFLUENT RELEASES FOR 3rd QUARTER, 1985 l UNITS I JUL i AUG l SEP l QUARTERLY TOTALI

1. Gross Beta Radioactivity l l l l l l a) Total Release l Curies 16.07E-0516.24E-0511.52E-04l 2.75E-04 I b) Avg. Conc. before Dilutioni pCi/ml 11.54E-0618.47E-0712.18E-061 1.47E-06
  • I Avg Conc. Released l pCi/ml l l l l l c) after Dilution labove bkgdl6.40E-09l3.92E-0915.64E-091 5.04E-09
  • I
2. Tritium l I I I i 1

~~~ a) Total Release l Curies 11.14E+0012.25E+0011.52E+001 4.91E+00 1 b) Avg. Conc. before Oilutioni pCi/mi 12.97E-0212.84E-0212.21E-021 2.64E-02

  • I Avg Conc. Released l pC1/ml l l l l l c) after Dilution labove bkgdll.34E-0411.39E-0415.72E-051 1.09E-04
  • I
3. Dissolved Noble Gases l l l l l a) Total Release _ l Curies l __NSA 12.11E-07l NSA 2._11 E-07 b) Avg. Conc. before Dilutioni pCi/ml 1 NSA 12.84E-081 NSA 2.84E-08
  • Avg Conc. Released l pC1/ml l l l l l c) after Dilution labove bkad! NSA 11.35E-10l NSA i 1.35E-10
  • I
4. Gross Alpha Radioactivity I l l l l l a) Total Release l Curies 11.20E-06l2.47E-0612.53E-061 6.20E-06 l
5. Total Volume of Liquid l l l l l l Released before Oilution l Liters 13.91E+0417.51E+0417.10E+041 1.85E+05 l
6. Total Volume of Liquid l l l l l l Used for Oilution l Liters 19.21E+0611.67E+0712.39E+071 4.98E+07 l
7. Estimated Total Radioac- l l l l l l tivity Released by Radio- l l l l l l Isotope above Background l l l l l Nuclide MPCw (pCi/ml) I Curies l l l l 3H l 3.00E-03 l 11_.14E+0012. 25E+0011. 52E+001 4.91E+00 :l 137Cs i 2.00E-05 18.26E-0616.13E-0611.78E-051 3.22E-05 60Co I 3.00E-05 18.9ff 0611.33E-0511.24E-051 3.46t~05 133Xe 1 2.00E-04 l NSA 12.11E-07l NTA 2.11E~07 l l l l 1 1_ _ l I _l  !  !

I I i 1 1

_ 1 I l.  !

L I I I I I I H I I I

  • Represents a " weighted" average.

4.7E-05 = 4.7 x 10 '

5.2E+03 = 5.2 x 10*8 NSA means no significant activity.

TABLE 1.3: LIQUID EFFLUENT RELEASED VIA THE TURBINE

. BUILDING SUMP AND THE REACTOR BUILDING SUMP (CONTINUOUS RELEASE) 3rd QUARTER 1985 TURBINE BUILDING SUMP l l l l ll QUARTERLY l l MONTH I JUL  ! AUG l SEP ll TOTAL l l l l l l ll l l-VOLUME l LITERS l 1.27E+07  ! 1.00E+07 l 4.64E+06 ll 2.73E+07 l l l AVERAGE l 1 l ll l l l pCi/ml i 1.16E-06 l 1.02E-06 l 8.92E-07 ' 1.03E-06*l l TRITIUM l TOTAL l l l l l l l l CURIES I 1.48E-02 1.02E-02 1 4.14E-03 l l 2.91E-02 l l l AVERAGE l l ll l l 1 pCi/ml l 6.81E-08 l 7.12E-08 7.16E-08 ll 7.03E-08*'

l GROSS So IT0TAL l l ll 1 ICURIES l 8.68E-04 7.12E-04 3.32E-04 ll 1.91E-03 [

l l AVERAGE l ll l a t/ml c l 3.51E-08 1 3.10E-08 l 3.15E-08 ll 3.26E-08*

l GROSS a TOTAL l l l ll l l CURIES l 4.48E-04 1 3.10E-04 l 1.46E-04 ll 9.04E-04 l REACTOR BUILDING SUMP l l l l llQUAkii.RLY l l MONTH I JUL l AUG l SEP l TOTAL l l I I I I I VOLUME  : LITERS l 1.20E+06 3.80E+05 1 5.52E+05 l 2.13E+06 l AVERAGE l ll l 1 pCf/ml l 8.77E-06 4.11E-05 2.99E-05 ll 2.54E-05*[

l TRITIUM l TOTAL l .

ll l CURIES l 1.05E-02 1.56E-02 l 1.65E-02 1 4.26E-02 AVERlGE l ll l l jyC1/ml 7.13E-08 l 7.51E-08 7.34E-08_ 7.31E-08*

l GROSS Se l TOTAL l l CURIES I 8.52E-05 l _2.86E-05 4.05E-05 l 1.54E-04_[

lAVIRAGE I l l l l '

pC1/mi 3.78E-08 l 3.42E-08 3.29E-08 ll 3.51E-08*-

l GROSS a TOTAL l .

ll l l CURIES l 4.52E-05 l 1.30E-05 l 1.81E-05 l l 7.63E-05 l!

Represents " weighted" average

TABLE 2.1 - RADI0 ACTIVE GASE0US EFFLUENT RELEASES FOR 3rd QUARTER, 1985 I UNITS I JUL i AUG l SEP IQUARTERLY TOTALI la. Total Noble Gases l Curies 14.18E-0411.33E-0111.12E-041 1.34E-01 I lb. Total Tritium l Curies 11.94E-0216.96E-0319.97E-031 3.63E-02 l Ic. Total Halogens l Curies I NSA l NSA I NSA I NSA l Id. Total Particulate Gross l l l l l l (S,r) Activity RT-7325 l Curies 16.84E-0815.54E-0815.35E-081 1.77E-07 l 1e. Total Particulate Gross l l l l l l Alpha Activity RT-7325 I Curtes 12.63E-0811.75E-0812.14E-081 6.52E-08 l

2. Maximum Hourly Release l l l l l l Rate for Any One Hour l l l l l l Period l Ci/hr 12.15E-0319.96E-0214.10E-041 9.96E-02 1
3. Estimated Total Radioac- l l l l l l tivity Released by Nu- l l l l l l clide l l l l l Particulates MPCa I Curies l NSA l NSA l NSA l NSA I I I I i 1 I!

I I I I I I I I I l l l l l l l 1 1 I I I I I I Halogens MPCa(pC1/ml) l Curies i NSA I NSA l NSA l NSA 1 I I I I I  ! I I l l l 1 1 1

l l l l 1 I I

I I I I I I I Gases MPCa(pC1/ml)  ! Curies l l [

3H I 2.00E-07 . 11.94E-0216.96E-0319.97E-031 3.63E-02 1 135Xe I 1.00E-07 l 14.18E-04l NSA I N3'A I 4.18E-04 85Kr 1 3.00E-07 l l NSA 1.13E-011 NSA 1.13E-01 133Xe 1 3.00E-07 l l NSA 2.03E-0211.12E-04 2.04E-02 l l l 1 1 I I I I I I l' I l

'l I I l' I l l l l l I l' I

~

4.7E-05 = 4.7 x 10 '

5.2E+03 = 5.2 x 10*8 NSA means no significant activity.

TABLE 3.1 - RADIOCHEMfSTRY

SUMMARY

FOR 3rd QUARTER,1985 Page 1 of 2 SYSTEM l ALPHA l BETA l TRITIUM l FARM POND l l 13.86E-08 17.88E-08 9.33E-06 MAXIMUM 2.62E-08 16.44E-08 13.21E-07 MINIMUM __

3.28E-08 ( 9)l7.07E-08 ( 9)l2.91E-06 ( 9)I AVERAGE

~

COOLING TOWER 8/D-0URINGl l l l 11.63E-08 12.08E-08 15.26E-04 l MAXIMUM 14.08E-09 16.9dE-09 13.65E-06 l MINIMUM _.

18.38E-09 (23)ll.24E-08 (23)l9.67E-05 (23)I AVERAGE COOLING TOWER 8/D-WEEKLYI l l l 1.67E-08 l1.56E-08 15.82E-07 1 MAXIMUM 4.35E-09 L6.65E-09 13]1E-07 l MIRIMUM 18.01E-09 (14)l9.68E-09 (14)l3.65E-07 (14)l AVERAGE REACTOR BLOG. SUMP l l l 11.07E-07 l1.62E-07 2.12..E-04 l MAXIMUM _

l2.10E-08 15.79E-08 3.64E-06 l MINIMUM E 13.51E-08 (85)l7.31E-08 (85) 12.54E-05 (85)I AVERAGE TURBINE BLDG. SUMP l l l l 14.51E-08 19.86E-08 4.03E-06 l MAXIMU F 12.05E-08 16.ITE-08 3.19E-07 1 MINIMUM 13.26E-08 (40)l7.03E-08 (40)ll.03E-06 (40)I AVERAG F SYSTEM 21, LOOP 1 l l l 3.96E-08 7.60E-08 12.37E-06 MAXIMUM 2.50E-08 6.54E-08 16.31E-07 ~

MIIil' MUM 13.38E-08 ( 8)l7.05E-08 ( 8)ll.4TE~0B ( 8)I AVTRMF SYSTEM 21, Loop 2 l _ l l3.72E-08 -

7.72E-08 2.09E-06 MAXINU C 12.50ET08 6.78F08 7TNE i? MIHBUM 13 RE 08 ( 7FCffE 08 ( 7) 1.35E-06 ( 7)I AVERAGE SYSTEM 31 I 1 l___ l 13.96E-08 17.02E-08 12.08E-06 l MXYIMITF 3.96E 68 17.0l!E-08 J2.0BE-06 LMINIM0W~~

EHI 08 ( 1)l7.02E-08 ( 1)lE6BE D6_ _( 1)I VER'AG F SYSTEM 41 I l 3.61E-08 7.58E-08 3.39E-07 1 MATTRIF 13.0TE-08 !CISE~08 E26E-07 i MINIMUM

!3.29E4 (_3) l6.91E 68 ( 3)l 3.3fE-07 ( 3)l Xi/ERACF SYSTEM 42 l_ ;I 3.64E-08 :7.53E-08 3.39E-07 MAXIMUM

12. 68'E-08 '6.16E 68 ~ L3J8F67 MININOM 13.19E-08_( 3)l6.85E 68 (_3)l3.35E;07 ( 3)1 AVERIG F NOTES: 1. All activities expressed in units of pCi/ml
2. ( ) Represents the number of samples represented by the average value.

TABLE 3.1 - RADI0 CHEMISTRY

SUMMARY

FOR 3rd QUARTER, 1985 Page 2 of 2 SYSTEM l ALPHA I BETA l TRITIUM l SYSTEM 46, LOOP 1 l l l 13.72E-08 17.72E-08 2.09E-04 l MAXIMUM ll.68E-08 15.79E-08 12.40E-05 l MINIMUM 13.15E-08 ( 8)l7.05E-08 ( 8)ll.14E-04 ( 8)l AVERAGE SYSTEM 46, LOOP 2 l l l l 3.96E-08 17.60E-08 14.32E-06 l MAXIMUM 1.68E-08 15.79E-08 11.89E-06 i MINIMUM 3.28E-08 ( 8)l7.00E-08 ( 8)l3.14E-06 ( 8)I AVERAGE SYSTEM 47, LOOP 1 l l l 13.71E-08 17.72E-08 11.80E-04 MAXIMUM 12.50E-08 15.19E-08 13.11E-06 MINIMUM __

13.30E-08 ( 6)l6.98E-08 ( 6)l6.78E-05 ( 6)] AVERAGE SYSTEM 47, LOOP 2 1 1 1 3.96E-08 l 7.61E-08 2._51E-04 l MAXIMUM __

1.68E-08 6.92E-08  ! 1.77E-05 MINIMUM 3.05E-08 ( 4) l 7.12E-08 ( 4) 7.97E! 05 ( 4) AVERAGE NOTES: 1. All activities expressed in units of pC1/ml

2. ( ) Represents the number of samples represented by the average value.

TABLE 1.1 - RADIOACTIVE LIQUID EFFLUENT RELEASES FOR 4th QUARTER., 1985 l UNITS l OCT l NOV l OEC IQUARTERLY TOTALI

1. Gross Beta Radioactivity l l l l l l a) Total Release l Curies 13.81E-05l4.05E-05l2.30E-051 1.02E-04 I b) Avg. Conc. before Dilutioni pC1/mi 16.01E-0714.57E-0715.67E-071 5.38E-07
  • l Avg Conc. Released l pC1/ml l l l l l c) after Dilution labove bkgdl2.34E-09l1.76E-0912.89E-091 2.25E-09
  • l
2. Tritium l l l l 1 l a) Total. Release I Curies 11.17E+0012.70E+0012.21E+001 6.08E+00 l b) Avg. Conc. before 011utioni pC1/mi l1.84E-0213.08E-0215.49ET021 3.18E-02
  • I Avg Conc. Released l pC1/ml l l l l l c) after Dilution labove bkgdl8.15E-05l1.22E-0412.80E-04l 1.44E-04
  • l
3. 01ssolved Noble Gases l l l l l l a) Total Release I Curies 14.61E-0512.27E-0411.90E-051 2.92E-04 l b) Avg. Conc. before 011utioni pC1/mi 13.09E-0614.37E-06l7.73E-07l 3.16E-06
  • l Avg Conc. Released l pC1/ml l l l l l c) after Dilution labove bkadll.20E-08tl.44E-0814.36E-09l 1.12E-08
  • I
4. Gross Alpha Radioactivity l l l l l l a) Total Release l Curies 12.09E-06l4.87E-0611.15E-061 8.11E-06 l
5. Total Volume of Liquid l l l l l l Released before Oflution I Liters 16.44E+0411.97E+0514.01E+041 3.01E+05 l
6. Total Volume of Liq'uid l l l l l l Used for Oilution I Liters 11.56E+0712.05E+0719.53E+06l 4.57E+07 1
7. Estimated Total Radioac- l l l l l l tivity Released by Radio- l l l l l l Isotope above Background l l l l l l Nuclide MPCw (uC1/ml) I . Curies l l l l l 3H l 3.00E-03 l 11.17E+00l2.70E+0012_.21E+001 6.08E+00 137Cs l 2.00E-05 l 19.39E-0615.36E-06l7.3fE-071 1.55E-05 60Co 1 3.00E-05 1 13.44E-0612.34E-0511.04E-06l 2.79E-05 l 133Xe 1 2.00E-04 1 14.61E-0512.27E-04!1.90E-05l 2.92E-04 I I I l l l 1 l I I l l l l l 1 1 I [

l I I I I I i 1 l l 1 1 I I I I I I I I l

" Represents a " weighted" average.

~

4.7E-05 = 4.7 x 10 '

5.2E+03 = 5.2 x 10*8 NSA means no significant activity.

- TABLE 1.3: LIQUID EFFLUENT RELEASED VIA THE TURBINE

. BUILDING SUMP AND THE REACTOR BUILDZNG SbMP (CONTINUOUS RELEASE) 4th QUARTER 1985 TURBINE BUILDING SUMP l l l l ll QUARTERLY l l MONTH I OCT l NOV l DEC ll TOTAL l l 1 l l l ll l l VOLUME ILITERS I 6.62E+06 5.12E+06 l 2.64E+06 ll 1.44E+07 l l l AVERAGE l l ll l l L uCi/ml 1 1.03E-06 l 1.31E-06 l 1.64E-06 'l 1.11E-06*l l TRITIUM l TOTAL l l l l l l l CURIES l 6.82E-03 l 6.71E-03 1 4.33E-03 l 1.79E-02 l l l AVERAGE l l l l l l Lp_Ci/ml l 6.85E-08 1 6.67E-08 l 6.87E-08 ll 7.03E-08*l l GROSS ST l TOTAL l l l ll l ICURIES l 4.53E-04 1 3.42E-04 l 1.18E-04 ll 9.13E-04 1 lAVERAGE l l l ll l l 1 uC1/ml i 2.96E-08 l 2.35E-08 1 2.17E-08 ll 2.38E-08*l l GROSS a l TOTAL l l l ll l l l CURIES l 1.96E-04 l 1.20E-04 1 5.73E-05 11 3.73E-04 i REACTOR BUILDING SUMP l l l l ll QUARTERLY l l MONTH l OCT l NOV OEC [ TOTAL l l l l l .

l l l VOLUME LITERS l 3.67E+05 l 6.37E+05 l 8.18E+05 1 1.82E+06 l l AVERAGE l l l l' l l Luci/ml l 1.08E-05 1 7.26E-04 1 7.75E-04 ll 1.33E-04*l l TRITIUM l TOTAL l l l ll l l l CURIES l 3.96E-03 1 4.62E-01 1 6.34E-01 ll 1.10E+00_[

l lAVERAGE l l l ll l l J pCi/ml l 7.65E-08 1 7.41E-08 1 7.07E-08 l 7.28E-08al l GROSS St lfdTAL l l l l l l l CURIES I 2.80E-05 1 4.72E-05 1 5.78E-05 l 1.33E-04 l l l AVERAGE l l l l l l Luci/ml l 3.09E-08 l 2.64E-08 l 2.13E-08 ll 2.44E-08*l l GROSS a lTUTAL l l l ll l l ICURIES I 1.13E-05 l 1.68E-05 l 1.74E-05 ll 4.55E-05 l Represents " weighted" average

TABLE 2.1 - RA010 ACTIVE GASEOUS EFFLUENT RELEASES FOR 4th QUARTER, 1985 I UNITS l OCT I NOV l OEC 10VARTERLY TOTAll la. Total Noble Gases I Curies 11.33E+0015.46E-0111.98E-021 1.90E+00 l lb. Total Tritium l Curies 16.55E-02l1.68E-0219.81E-031 9.21E-02 l Ic. Total Halogens l Curies l NSA l NSA I NSA l NSA l Id. Total Particulate Gross l l l l l l (6.r) Activity RT-7325 l Curies 16.98E-0815.24E-0816.79E-081 1.90E-07 l 1e. Total Particulate Gross l l l l l l Alpha Activity RT-7325 l Curies 12.32E-0812.10E-0812.26E-081 6.68E-08 l

2. Maximum Hourly Release l l l l l l[

Rate for Any One Hour l l l l l ll Period i Ci/hr 11.58E-0113.50E-02 1.76E-031 1.58E-01 1

3. Estimated Total Radioac- l l l l tivity Released by Nu- I' l l l ll clide I L I I I

Particulates MPCa 11 Curies l l l

1. I l I 11 l

l n I i I I I l ' I I l l I I i I l Halogens MPCa(uci/ml) 1 Curies l l l l 1 l l l 1 L l

l l l l l

' 1 l l 11 fases MPCa(uC1/ml) l Curies l l

l l 3H 2.00E-07 l 16.55E-02L1.68E-0219.81E-03 9.21E-02 1 85Krm 1.00E-07 l l3.43E-02 2.35E-02 NSA I 5.78E-02 r 87Kr 2.00E-08 l 11.30E-03 1.07E-03 NSA i: 2.36E-03 88Kr l 2.00E-08 l l2.69E-02 11.85E-021 NSA l 4.54E-02 133Xe 1 3.00E-07 1 19.99E-0113.38E-0111.98E-021 1.36E+00 133Xem l 3.00E-07 17.28E-03l NSA I NSA 1 7.28E-03 135Xe 11 1.00E-07 12.64E-0111.65E-011 NSA 4.29E-01 I I l l 1 I l

~

4.7E-05 = 4.7 x 10 '

5.2E+03 = 5.2 x 10+8 '

NSA means no significant activity.

I*

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

TABLE 3.1 - RADI0 CHEMISTRY

SUMMARY

FOR 4th QUARTER, 198_5 Page 1 of 2 SYSTEM l ALPHA l BETA l TRITIUM l FARM POND l l l _

l 14.50E-08 17.58E-08 19.32E-06 '

MAXIMUM l2.17E-08 16.12E-08 11.11E-06 MINIMUM

, AVERAGE __

_13.08E-08 (11)l6.69E-08 (11)l 5.80E-06 (11)

COOLING TOWER B/D-DURINGl l l l 11.96E-08 l2.45E-08 l4.80E-04 l MAXIMUM 13.25E-09 l7.35E-09 l4.69E-06 l MINIMUM

!9.06E-09 (23)ll.45E-08 (23)ll.14E-04 (23)l AVERAGE a COOLING TOWER B/D-WEEKLYI I l l il.53E-08 11.89E-08 15.70E-07 l MAXIMUM 3

l4.18E-09 17.36E-09 13.34E-07 l MINIMUM 19.34E-09 (13)ll.26E-08 (13)l3.80E-07 (13)l AVERAGE REACTOR BLDG. SUMP l l l l ',

l5.00E-08 11.39E-07 15.14E-03 l MAXIMUM 11.23E-08 15.74E-08 13.61E-06 l MINIMUM __

l2.58E-08( 74)l7.36E-08( 74)l5.50E-04( 74)I AVERAGE t

TURBINE BLOG. SUMP l l l l 13.85E-08 18.48E-08 15.96E-06 l MAXIMUM 11.29E-08 15.79E-08 13.38E-07 i MINIMUM 12.49E-08 (39)l6.80E-08 (39)ll.33E-06 (39)! AVERAGE SYSTEM 21, LOOP 1 l l l l 14.37E-08 17.89E-08 12.66E-06 l MAXIMUM 11.75E-08 l5.85E-08 l7.32E-07 l MINIMUM l2.68E-08 ( 7)l6.65E-08 ( 7)l1.53E-06 ( 7)I AVERAGE

' SYSTEM 21, Loop 2 l l l l __

l4.33E-08 17.94E-08 12.82E-06 i MAXIMUM 12.13E-08 l6.08E-08 5.22E-07 l MINIMUM l3.21E-08 ( 7)l6.82E-08 ( 7) 1.58E-06 ( 7)l AVERAGE SYSTEM 31 l l l l 1

13.84E-08 11.11E-07 13.31E-06 l MAXIMUM _

l2.20E-08 16.31E-08 l5.99E-07 l MINIMUM l3.01E-08 ( 7)i7.40E-08 ( 7)ll.44E-06 ( 7)l AVERAGE p

SYSTEM 41 l l l l l

14.30E-08 17.75E-08 11.22E-06 l MAXIMUM 13.34E-08 16.58E-08 l3.39E-07 i MINIMUM 13.89E-08 ( 3)l7.21E-08 ( 3)l6.36E-07 ( 3)I AVERAGE SYSTEM 42 l l l l 13.64E-08 17.66E-08 14.20E-07 1 MAXIMUM __

l1.76E-08 16.54E-08 13.39E-07 l MINIMUM 13.00E-08 ( 3)l7.13E-08 ( 3)l3.69E-07 ( 3)l AVERAGE NOTES: 1. All activities expressed in units of pCi/ml

2. ( ) Represents the number of samples represented by the average value, i, s

TABLE 3.1 - RAD 10 CHEM!STRY

SUMMARY

FOR 4th QUARTER, 1985 Page 2 of 2 SYSTEM l ALPHA I BETA l TRITIUM l SYSTEM 46, LOOP 1 l l l l 13.38E-08 19.95E-08 12.38E-04 l MAXIMUM ll.75E-08 15.98E-08 11.64E-04 l MINIMUM ~~

12.70E-08 ( 8)l7.02E-U8 ( 8)l2.25E-04 ( 8)I AVERAGE SYSTEM 46, LOOP 2 l 1 l l 13.14E-08 18.33E-08 13.97E-06 l MAXIMUM l1.75E 16.09E!d8 13.08E-06 l MINIMUM l2.60E-08 ( 9)l6.84E-08 ( 9)l3.51E-06 ( 9)! AVERAGE SYSTEM 47, LOOP 1 l l l l 13.14E-08 18.01E-08 j2.23E-04 l MAXIMUM 11.75E-08 15.85E-08 l1.74E-04 l MINIMUM 12.63E-08 ( 7)l6.65E-08 ( 7)ll.89E-04 ( 7)l AVERAGE SYSTEM 47. LOOP 2 l l l l 13.38E-08 16.70E-08 l2.27E-04 l MAXIMUM 11.75E-08 l5.95E-08 11.78E-04 l MINIMUM 12.44E-08 ( 7)l6.31E-08 ( 7)l1.97E-04 ( 7)l AVERAGE NOTES: 1. All activities expressed in units of pCi/ml

2. ( ) Represents the number of samples represented by the average value.

TA3LE 4.1 - SOLID WASTE SHIPMENTS FOR 1985 A. SOLID WASTE SHIPPED OFFSITE FOR BURI AL OR DISPOSAL (Not I rrad ia ted fuel) l l 6-Month i Estimated Total j 1. Tvpp y Waste Unit Pe riod Error 1 Cubic Meters 6.61E+01

a. Process Waste Cu rles 1.70E+01 E rro r= 5.66E-01 1 Cubic Meters 4.31E+01
b. Dry Active Waste Curies 2.46E+00 Erro r= 6.94E-01 1 Cubic Meters 7.36E-01
c. I rrad ia ted Comp. I Curies  ! 3.99E+02 Erro r= 4.75E+00 %

l

2. Estimato or Major Nuclide Composition (By Type of Wastel Major Nuclides for }
a. Process Waste l H3 Curies = 6.71E+00 +/- 3.16E-01 %

C14 Curies = 6.02E+00 +/- 3.24E-01 %

, FESS Curies = 3.48E+00 +/- 2.71E+00 %  !

S35 Curies = 8.10E-01 +/- 7.21E-01 %

Nf63 Curies = 7.19E-01 +/- 2.70E+00 %

Major Nuclides for

b. Process Waste l FESS Curies = 1.46E+00 +/- 1.05E+00 % l l l S35 Curies = 7. 35E-01 +/- 1.03E+00 %  !

l ,

H3 Curies = 7.80E-02 +/- 1.20E+00 %

! AG110M Curies = 3.81E-02 +/- 1.03E+00 % l JN54 Cu ries = 2.54E-02 +/- 1.03E+00 %

Major Nuclidos for l c. I rradia ted Comp. FESS Curies = 2.04E+02 +/- 6.76E+00 %

l C060 Curies = 1.88E+02 +/- 6.92E+00 %

l Nf63 Curies = 6. 35E+00 +/- 6.97E+00 %

l MN54 Cu ries = 7.60E-01 +/- 6.81E+00 %

l CS137 Curies = 2.39E-02 +/- 7.07E+00 1

3. Solid Waste Disposition Number of Shipments Mode of Tran=portation Destination 1 Truck Barnwell Waste Management Facility 5 T ruck U. S. Ecology, Inc. (Washington B. I rradiated Fuel Shipments Number or Shipments Mode of Transportation Destination 0 N/A N/A t

O Public Service ~ -. s. ,* .

Company of Colorado 16805 WCR 19 1/2, Platteville, Colorado 80651-9298 February 27, 1986 Fort St. Vrain Unit #1 P-86172 Regional Administrator, Region IV )h @- @ $ 0N b  !

U. S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000  !! MW 4 Ffe Arlington, Texas 76011 L Attn: Mr. J. E. Gagliardo, Chief ~~

Reactor Projects Branch Docket No. 50-267

SUBJECT:

Semi-Annual Radioactive Effluent Release Report

Dear Mr. Gagliardo:

Attached please find the Semi-Annual Radioactive Effluent Release Report for the Fort St. Vrain Nuclear Generating Station.

This report covers the period July 1, 1985 through December 31, 1985, and is submitted pursuant to Section 7.5.1 e. of the Fort St. Vrain Technical Specifications.

Please contact Mr. Mike Holmes at (303) 480-6960 it you have any questions regarding this report.

1 Sincerely, D

b.Y.

J. W. Gahm Manager, Nuclear Production Fort St. Vrain Nuclear Generating Station JWG:VJM/skd Attachments r+a:e  %< $

7_

cc w/ attachments-Dottie Sherman, ANI Library American Nuclear Insurers The Exchange Suite, 270 Farmington Avenue Farmington, Connecticut 06032 Mr. Albert J. Hazle, Director Radiation Control Division Colorado Department of Health 4210 E. lith Ave.

Denver, CO 80220 Mr. Mike Dolphin, Site Manager General Atomic Company P.O. Box 426 Platteville, CO 80651 Mr. Paul B. Smith Regional Representative, Radiation Program U.S. Environmental Protection Agency Region VIII Suite 900, 1860 Lincoln St.

Denver, CO 80203 Mr. Frank Rozich, Director Water Pollution Control Division Colorado Department of Health 4210 East lith Ave.

Denver, CO 80220 Mr. George Campbell Environmental Science Division Rockwell International 123 Building P. O. Box 464 Golden, CO 80401 Dr. James E. Johnson Radiology & Radiation Biology Dept.

Colorado State University Fort Collins, CO 80523 Mr. Robert Farrell Senior NRC Resident Inspector Fort St. Vrain Station L .

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