ML20127M051

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Effluent & Waste Disposal Semiannual Rept Jul - Dec 1976
ML20127M051
Person / Time
Site: Monticello 
Issue date: 12/31/1976
From: Mayer L
NORTHERN STATES POWER CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 9211250341
Download: ML20127M051 (14)
v • d • e


Text

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NOMTNEMN 5 TATE 5 POWER COMPANY usNN s Apou e. MINN s SOTA 55408 9

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March 1, 1977 4

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nr J G Keppler, Directpr, n III MAR 3 1977 7

Office of Inspection & Enforcement

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U S Nuclear Regulatory Commission p

799 Roosevelt Road p

Glen Ellyn, IL 60137

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C

Dear Mr Keppler:

MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Effluent and Waste Disposal Semiannual Report July 1 - December 31. 1976 In accordance with the Monticello Technical Specifications, Appendix A to Operating License DPn-22, we are submitting two copies of the Effluent and Waste Disposal Semiannual Report covering the period July 1, 1976 through December 31, 1976.

Yours very truly, L 0 Mayer, PE Manager, Nuclear Support Services LOM/DMM/ deb cc: DIR, IE, UShTC (25)

DIR, MIPC, UShTC (2)

MPCA Attn: J W Ferman G Charnoff

[

Attachment i

l

'd ) k 9211250341 761231 PDR ADOCK 05000263 R

PDR

. _ _ _ _ =

PAGE 1

1 MONT ICELLO NUCLE AR GENER ATING PL ANT PERIOD JUL - DEC 1976 NORTHERN STATES POWER COMPANY LICENSE NO. OPR-22

'l EFFL UENT AND WASTE DISPOSAL SEMI ANNUAL REPORT

_77 SUPPLEMENTAL I NFORMATI ON

1. REGUL ATORY LIMITS - QTRLY LEVELS REQUIRING REPORT TO NRC A.

NOBLE GASES:

)

50*( QTV*NB ARV+QT S*N8 ARS) =I AND 25* (QT V* MB ARV+QT S* MB AR SI =1 NDBLE GAS RELEASE RATE FROM BLDG VENTS (C!/SEC)

QTV

=

QTS

= NOBLE GAS RELEASE RATE FROM PLANT ST ACK(Cl/SEC)

NBARV = VENT AVG GAMMA AIR DOSE FACTOR (REN/YR PER C!/SEC)

NBARS = STACK AVG GAMMA AIR DOSE F ACTOR (REM /YR PER C1/SEC)

MBARV = VENT AVG BETA AIR DOSE F ACTOR (REM /YR PER Cl/SEC)

MBARS = ST ACK AVG BETA AIR OOSE FACTOR (REM /YR PER C1/SEC)

B.

10 DINES AND P ART ICUL AT ESt 50*(3.7E05*QV+2.5E04*QSI = l QV = BUILDING VENT RELEASE RATE OF 10 DINES AND PARTICUL ATES WITH HALF-L IVES GRE ATER THAN 8 OAYS (Cl/SEC)

QS = PL ANT ST ACK RELE ASE RATE OF 100!NE S AND PARTICULATES f

W IT H HALF-L IVES GRE ATER THAN 8 O AYS (CI /SEC)

C. Ll0010 EFFLUENTS:

j l

CONC EN TR AT ION 10CFR 20, APP B, TABLE !! e COL 2, AND NOTES THERETO TOT AL QU ANTITY - 2.5 C I/ QUAR TER 2.

AVER AGE DOS E FACTOR S FOR NOBLE GASES (REM /YE AR P ER Cl/SECit VENT RELEASES STACK RELEASES l

1ST QTR 2ND QTR IST QTR 2ND QTR i

KBAR ( 900Y GAMM A )

5.98E 00 6.02E 00 1.56E 00 1 58E 00 LBAR (SKIN BETAl 4.50E 01 4.45E 01 1.64E 00 1.62E 00 MB AR I AIR BET A) 4.76E 01 4. 71E 01 1.74E 00.1.72E 00 N B AR I A I R G AM M A l 6.31E 00 6.36E 00 1.62E 00 1.65E 00 3.

AVERAGE ENERGY:

( NOT APPL ICABL E) 4 Revised June' 3,1977 2/5*

PAGE 2

MONTICELLO NUCLEAR GENERATING PLANT PERIODI JUL - DEC 1976 i

NORTHERN STATE S POWER COMP ANY LICENSE NO. OPR-22 EFFLUENT AND WASTE DISPOSAL SEMI ANNUAL REPORT SUPPLEMENTAL INFORMATION (CONTINUED)

4. ME ASUREMENTS AND APPROXIMATIONS OF TOT AL RADIDACTIVITY:

A. NOBLE GASES:

CONTINUOUS GROSS ACTIVITY MONITORS IN REACTOR BUILDING VENT AND PLANT ST ACK EXHAUST STREAMS.

WEEKLY ISOTOPIC ANALYSIS OF AIR EJECTOR STREAM AND GAS DECAY ST0kAGE TANK CONTENTS PRIOR TO RELEASE.

B. IDOINES IN GASEOUS EFFLUENT:

CONTINUOUS MONITORING WITH CHARCOAL CARTR!DGES IN RE ACTOR BUILDING VENT AND PLAN 1 ST ACK EXHAUST STREAMS WITH WEEKLY REMOVAL FOR ANALYSIS.

C. PARTICULATES IN GASEOUS EFFLUENT:

CONTINUOUS MONITORING WITH PARTICULATE FILTERS'IN REACTOR BUILDING VENT AND PLANT STACK EXHAUST STREAMS WITH WEEKLY REMOVAL FOR ANALYSIS.

D. LIQUID EFFLUENTS:

TANK SAMPLE ANALYZED PRIOR TO RELEASE WITH CONTINUOUS MONITORING OF GRCSS ACTIVITY DURING RELE ASE.

. BATCH RELEASES:

1 A. LIQUID:

1. NUMBER OF BATCH RELEASES 0
2. TOTAL TIME PERIOD FOR BATCH RELE ASES NA MIN
3. MAXIMUM TIME PER IOD FOR A B ATCH RELE ASE NA MIN 4.

AVERAGE TIME PERIOD FOR A BATCH RELEASE NA MIN l

5. MINIMUM TIME PERIOD FOR A BATCH RELEASE NA MIN l
6. AVERAGE RIVER FLOW DURING RELE ASES NA CF/SEC
3. GASEOUS:
1. NUMBER OF BATCH RELEASES 0
2. TOTAL TIME PERIOD FOR B ATCH RELE ASES NA MIN
3. MAXIMUM TIME PERIOD FOR A BATCH RELEASE NA MIN 4.

AVERAGE TIME PERIOD FOR A BATCH RELEASE NA MIN

5. MINIMUM TIME PERIOD FOR A BATCH RELEASE NA MIN y
6. ABNORMAL RELEASES A. LIQUIO:
1. NUMBER OF RELEASES O

2.

TOTAL ACTIVITY RELEASED 0.0 C1 B. GASEOUS:

IJ

1. NUMBER OF RELEASES 0
2. TOTAL ACTIVITY RELEASED 0.0 C1

PAGE 3

MONI tCELLO NUCLE AR GENFR ATING PL ANT PE RIOD:

JUL - DEC 1976 k

NORTHERN STATES POWER COMPANY LICENSE NO. OPR-22 1

EFFLUENT AND WASTE DISPOSAL SEMI ANNUAL REPORT

{

T ABLE L A GASEOUS EFFLUENTS - SUMMAfl0N OF ALL RELdASES UNITS 1ST QTR 2ND QTR PCNT EST

^

ERROR A. NOBLE GASES:

1. TOT AL RELE ASE A.

ELEVATED RELE ASE C1 2 05E 03 1.50E 03 B. BUILO!NG VENT RELEASE Cl

.7.94E 02 8.51E-02

?

C. T OT AL C1 2.84E 03 2 35E 03 5.00E 01

2. AVER AGE RELEASE RATE:

A.

EL EVATED RELE ASE UCl/SEC 2.58E 02 1.88E 02 B. ButLDING VENT RELEASE

' UC l / SEC 9.99E 01 1.07E 02 C. T OT AL UCl/SEC 3.57E 02 2.95E 02 5.00E 01

3. PERCENT TECH SPEC QTRLY REPORTING kEVEL 1.30E 01 1.34E 01 B.

100!NES:

1. TOTAL I-13 1*

A.

ELEVATED RELE ASE Cl 1.32E-02 2.29E-02 B. EUILDING VENT R ELE ASE Cl 1.16E-02 1.7 0E-02 C. TOT AL CI 2.48E-02 3.99 E-02 5.00E 01 2.

AVER AGE I-131 RELE ASE RATE:

A.

EL EVATED RELE ASE-UCt/SEC 1 66E-03 2.88E-03 B.

BUILDING VENT RELEASE UCI/SEC 1.45E-03 2.14E-03 C. T OT AL UCl/SEC 3.12E-03 5.02E-03 5.00E 01 C.- LONG LIVED P ARTICUL ATES AND GROSS ALPHA RELE ASE S:

l

1. TOT AL P ART ICUL AT ES:

A.

ELEVA TED RELE ASE C1 3 86E-03 4.89E-03 B. BUILDIN G VENT RELEASE Cl.

3.53E-03 1.75E-02 C. TOT AL CI 7 38E-03 2 24E-02 5.00E 01 2.

AV ER AGE. RELE AS E - R ATE:

A.

ELEVATED RELEASE UCI /SEC 4.85E-04-6.15E-04 B. BUILD IN G VENT RELE ASE-UCI/SEC 4.44E-04-2.21E-03 C. T OT AL UC1/SEC 9.29E-04 2 82E-03 5.00E 01

3. PERCENT TECH SPEC QTRLY REPORTING-LEVEL 3.78E 00'8.48E 00 FOR LONG L IVED 100!NES & PARTICULATES

~

(.)

i Revised June 3, 1977

., -.. -., ~ - - - - = -,.

PAGE 4

MONTICELLO NUCLE AR GENERATING PLANT PERIOD:

JUL - DEC 1976 NORTHERN STATE S POWER COMP ANY LICENSE NO. DPR-22 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL HEP 0k1 TABLE 1A GASEQUS EFFLUENTS - SUMMATION DF ALL RELEASFS (CONTINUED)

UNITS 151 QTR 2ND GTR PCNT EST ERROR

4. GROSS ALPHA RADIDACTIVITY:

A. ELEVATED RELEASE C1

7. 31E-07 9.12 E-07 8.

BUILDING VENT RELEASE C1 1.03E-05 2.41E -0 5 C. TOTAL C1 1.10E-05 2.50E-05 1.00E 02 D. TRIT!UMt

1. TOT AL RELE ASE :

A.

ELEVATED RELEASE-61 2.3SE 00 4.70E 00 B. BUILDING VENT RELEASE C1 9.46E 00 3.37E 01 C. TOTAL C1 1.18E 01 3.84 E 01 S.00E 01

2. AVERAGE RELEASE kATE:

A.

ELEVATED RELEASE UC1/SEC 2.95E-01-S.92E B. BUILO1NG VENT RELEASE UC1/SEC 1.19E 00 4.24E 00 C. TOTAL UC1/SEC 1.49E 00 4.83E 00 5.00E 01 n

4 4'

PAGE 5

]

MONT ICELL C NUCLE AR GEN ER AT ING PL ANT PE RI DO:

JUL - DEC 1976 i

NORTHERN ST ATES POWER COMP ANY LICENSE NO. OPR-22 EFFLUENT AND WASTE DISPOSAL SE MI ANNU AL REPORT

)

T ABL E 18 GASEOUS EFFLUENTS - ELEVATED RELE ASE CONTINUOUS MODE BATCH MODE j

NUCLIOES RELEASE D UNITS LST QTR 2ND QTR 1ST. TR 2ND QTR i

Q 1

i

1. NOBLE GASES:

1 XE133 Cl 1.79E 02 1.23E 02 0.0 0.0 XE135 Cl 3.67E 01 3 11E 01 0.0 0.0 KR85M Cl 3.72E 00 2.72E 00 0.0 0.0 KR88 Cl 1.2 8E 01 9.05E 00 0.0 0.0 a

KR87 C1

2. 54E 01 1.80E 01 0.0 00 1

XE138 Cl

5. 74E 02 4.39E 02 0.0 0.0 l

KR90 Cl 1.61E 01 1 15E 01 0.0 00 XE139 Cl

4. 79E 01 3.42E 01 0.0 0.0 KR89 C1
4. 77E 02 3.43E 02 0.0 0.0 XE137 Cl
6. 2 4E 02 4.48E 02 0.0 0.0 XE135M Cl
3. 71E 01 2.69E 01 0.0 0.0 4

KR83M Cl 5.12E 00 3.86E 00 0.0 0.0-XE133M Cl 5.42E-01 4.58E-01 0.0 0.0 XE131M C1 1.50E 00 1.34E 00 0.0 0.0 KR85 Cl 6.72E 00 5.97E 00 0.0 0.0 4

TOT AL FOR P ER IOD Cl 2.05E 03 1.50E 03 0.0 0.0

^

l

}

2.

10 DINES:

l-131 Cl

1. 3 2E -02 2.29E-02. 0.0 0.0 I-133 Cl 3.16E- 02 5.19E-02 0.0 0.0 1-135 Cl

<4.15E-03 <2.24E-02 0.0 0.0 TOT AL FOR P ER 100 C1

4. 86E- 02 9.68E-02 0.0 0.0 TOT AL (WITH M OA VAL UES) C1

<4. 89E-02 <9. 71E-02 0.0 0.0 1

i 4

4 k.)-

Revised June 3,1977-

.. -. = -

I PAGE 6

MONf! CELLO NUCLEAR GENERATING PLANT PERIODI JUL - DEC 1976 NORTHERN STATES POWER COMPANY LICENSE NO. OPR-22 EFFLUENT AND WASTE DISPOSAL SEM1 ANNUAL REPOR1 l

TABLE 1B G ASEOUS EFFLUEN1S - ELEVATED RELE ASE (CONTINUED)

CONTINUOUS MODE BATCH MODE NUCLIOES RELE ASED UNITS LST OTk 2ND QTR 1ST OTR 2ND QTR

3. PARTICULATES:

N0147 C1

<7. 5 0 E -0 6 < 6. 5 5 E -0 6 0.0 0.0 CE144 C1

<3.46E-05 <6.00E-05 0.0 0.0 CE141 C1

<6.99 E-0 6 <1.07 E-0 5 0.0 0.0 BA140 C1 3.11 E -0 3

3. 92 E -0 3 0.0 0.0 CS137 C1
6. 36 E -0 5
1. 38 E -0 4 0.0 0.0 CS136 CI

< 6. 29 E -0 6 < 6. 30 E -0 6 0.0 0.0 CS134 CI

<1.98E-05 <2.33E-05 0.0 0.0 SB126 CI

<4.10E-06 <4.16E-06 0.0 0.0 SB124 C1

<6. 2 9 E -0 6 < 5. 48 E -0 6 0.0 0.0 RU103 CI

< 7. 7 3 E -0 6 <7. 06 E -0 6 0.0 0.0 ZR95 CI

< 6.19 E -0 6 <6. 08 E-06 0.0 0.0 NB95 C1

<3.10E-0 6 <3. 36 E-06 Geo 0.0 SR90 C1

2. 00 E -0 5 1.36E-05 0.0 0.0 SR89 CI 6.10 E -0 4
7. 36 E -04 0.0 0.0 ZN65 CI

<8. 50 E-0 6 <8. 50 E -0 6 0.0 0.0 C060 C1

< 8. 31 E -0 6 < 5. 07 E -0 6 0.0 0.0 Fd59 CI

<7.95 E-0 6 <7.97E-06 0.0 0.0 C058 CI

<4.61E-06 <4.63E-06 0.0 0.0 C057 C1

< 1. 5 8 E -0 6 <1. 49 E -06 0.0 0.0 MN54 CI

<3.06 E-0 6 <3.05 E-0 6 0.0 0.0 CR$1 C1

<2.67 E-0 5 <2. 86 E -05 0.0 0.0 l

TOTAL FOR PERIOD CI 3.86E-03 4.89E-03 0.0 0.0 TOTAL (WITH MDA VALUES) C1

<3. 97 E -0 3 <5.00 E-0 3 0.0 0.0 l

l l

1 i

_ - = - -

l PAGE 7

l MONT.lCELLO' NUCL E AR GEN ER AT ING PL ANT PERIOD:

JUL - DEC 1976 NORTHERN STATES POWER COMPANY LICENSE NO. OPR-22 EFFLUENT AND WASTE DISPOSAL SEMI ANNUAL REPORT TABL E LC GA SEOUS EFFLUENTS - BUILOl hG VENT RELE ASE 4

l CONTINUOUS MODE BATCH N00E NUCL10ES RELEASED UNITS LST QTR 2ND QTR LST QTR 2ND QTR 4

1. NOBLE G ASES:

XE133 Cl

6. 4 6E - 01 6.41E-01 0.0 0.0 2

XE135 CI

1. 5 8E 01 1.92E 01 0.0 0.0 KR85M Cl
1. 59E 00 1.6 8E 00 0.0 00 KR88 Cl 5.4 7E 00 5.6 9E 00 0.0 0.0 KR87 Cl 1.09E 01 1.11E 01 0.0 0.0 i

XE138 C1 2.45E 02 2.72E 02 0.0 0.0 KR90 Cl 6.85E 00 7.16E 00 0.0 0.0 XE139 Cl 2.04E 01 2.13E 01 0.0 0.0

' KR 89 CI

2. 03E 02 2.14E 02 0.0 0.0 XE137 C1 2 66E 02 2.80E 02 0.0 0.0 XE135M Cl 1.58E 01 1.68E 01 0.0 0.0 KRB3M Cl 2.20E 00 2.4 0E 00 0.0 0.0 XE133M C1 4.25E-02 5.08E-02 0.0 0.0 X E 131M Cl
1. 54E- 03 1.88E-03 0.0 0.0 KR85 CI

,2. 9 fE -03 2.53E-03 0.0 0.0

(

TOT AL FOR P ER 100 Cl 7.94E 02 8.5LE 03 0.0 0.0 2.

IC0lNES2 l-131 Cl 1.16E-02 1.70E-02 0.0 0.0 1-133 Cl

7. 4 9E - 02 2.03E-01 0.0 0.0 1-135 CI

<1.91E-02 <1.19E-01 0.0 0.0 TOT AL FOR P ER IDO Cl

1. 01 E - 01 3.35E-01 0.0 0.0 TOT AL IWITH MDA VALUESI C1

<1. 06E-01

<3. 3 9E-01 0.0 0.0

(_.

1 Revised June 3,1977---

i PAGE 8

i 3-i l

MONTICELLD NUCLE AR GENERATING PL ANT PERIOD JUL - DEC 1976 NORTHERN STATES POWER COMP ANY LICENSE NO. DPR-22 i

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT i

s TABLE 1C GASEOUS EFFLUENTS - tu!LDING VENT RELE ASES (CONTINUED)

CONTINUOUS MODE BATCH NODE NUCLIOES RELEASED UNIT S LST QTR 2ND QTR IST QTR 2ND GTR i

4 f

1

3. PARTICULATES8 l

ND147 C1

<7.51 E-0 5 <1.06 E-04 0.0 0.0 CE144 C1

<1.12 E-04 <1.54E-04 0.0 0.0 i

CE141 C1

<2.89E-0 5 <3. 95 E-0 5 0.0 0.0 l

f l

BA140 C1 2.54E-03 1.17E-02 0.0 0.0 C S137 C1 4.16 E -04 4.97E-04 0.0 0.0 l

CS136 C1

<4.2 8 E-0 5 <1.81E-04 0.0 00 CS134 C1

<1.40 E-04 <1. 40 E-04 0.0 0.0 58126 C1

<2.77 E -05 <3. 82 b-05 0.0' O.0 4

58124 C1

<5. 62 E -0 5 (4. 21 E -05 0.0 0.0 i

RU103 C1

<1 01E-04 <4.22E-04 0. 0_

0.0 i

IR 95 C1

<4.08E-05 (S.46E-05 0.0 0.0 4

N895 C1

<3.10E-OS (1.71E 44 -0.0 0.0 SR90 C1

4. 22 E -0 5 1.38E-05 0.0 0.0 SR89 C1 1.94 E -04 2.91E-04 0.0 0.0 IN65 C1

<S.81E-05 <1.30E-03 0.0 00 i

C1

<1.49E-04 <7.99E-04 0.0 0.0 f,

C060 FES9 C1

<4.92 E-05 (6.70E-05 0.0 0.0 i

C058 C1

<2.53E-05 <3.66E-05 0.0 0.0 i

C057 C1

<1.4 6 E -0 5 <1. 90 E -0 5 0.0 0.0 MN54 C1

<2.18E-05'<S.69E-05 0.0 0.0 i

CR$1 C1

<1.80E-04 <2.39E-03 0.0 0.0 TOTAL FOR PERIOD C1 3.53 E -0 3 1.75E-02 -0.0 0.0 TOTAL (WITH MDA VALUES) C1

<4. 34 E -0 3 <1. 6S E -0 2 0.0 0.0 I

_.,._._,..,....-.._:,"2.*;_'~"***"

" l:..

."l_....,_

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

PAGE 9

MONTICELLO NUCLEAR GENERA 11NG PLANT PERIODI JUL - DEC 19T6 NORTHERN STATES POWER COMPANY LICENSE NO. DPR-22 i

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPOR1 l

TABLE 2A L10VID EFFLUENTS - SUMMAT ION OF ALL RELEASES UNITS LST QTR 2ND QTR PCNT EST ERROR i

A. FIS$10N AND ACTIVATION PRODUCTS

1. TOT AL RELE ASE C1 0.0 0.0 0.0 (EXCEPT H-3, GASES, AND ALPHA)
2. AVG DILUTED CONCENTRATION UC1/ML 0.0 0.0
3. PERCENT OF OVART ERLY LIMIT 0.0 0.0 B. TRITIUM:
1. TOTAL RELEASE C1 0.0 0.0 0.0
2. AVG DILUTED CONCENTRATION UC1/PL 0.0 0.0
3. PERCENT OF QUARTERLY LIMIT NA NA C. DISSOLVED AND ENTRAINED GASES:
1. TOTAL RELEASE CI 0.0 0.0 0.0
2. AVG DILUTED CONCENTRATION UC1/ML 0.0 0.0
3. PERCENT OF QUARTERLY LIMIT NA NA D. GROSS ALPHA RADIDACTIVITY:
1. TOTAL RE LE A SE CI 0.0 0.0 0.0 E. VOLUME OF WASTE RELEASED L11ERS 0.0 0.0 0.0 F. VOLUME OF D1LU110N WATER USED LITERS 0.0 0.0 0.0 l

l 0i

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

l PAGE 10 MONTICELLO NUCLEAR GENERATING PLANT PERIOD JUL - DEC 14T6 NORTHERN STATES POWER COMPANY LICENSE NO. OPR-22 i

EFFLUENT AND WASTE O!SPOSAL SEM! ANNUAL REPORT TABLE 28 LIQUID EFFLUENTS CONTINUQUS MODE 8ATCH MODE 4

NUCLIDE S RELE ASED UN11 $

IST OTR 2ND OTR iST OTR 2ND GTR

'l NONE 1

s-i l

_~_. - -.

-A 1

PAGE 11 MONTICELLO NUCLEAR GENERATING PLANT PERIODI JUL - DEC 1976 NORTHERN ST ATE S POWER COMP ANY LICENSE NO. DPR-22 i

EFFLUENT AND WASTE DISPOSAL SEM1 ANNUAL REPORT l

TABLE 3 SOLID WASTE AND 1RRADI ATED FUEL SHIPMENTS A. SOLID WASTE SHIPPED OFFSITE FOR BUk!AL OR DISPOSAL 3

1. TYPE OF WASTE PCNT EST UNITS TOTAL ERROR A.

SPENT RESINS, FILTER SLUDGES, CU METER 5. TOE 01 EVAPORATOR BOTTOMS, ECT.

C1 1.46E 03 5.00E 01 4

i B. DRY COMPRESSIBLE WAS1E, CU METER 4.23E 01 CONTAMINATED ECUIP, ECT.

C1 1.90E 00.5.0CE 01 C.

IRRADIATED COMPONENTS, CU METER 0.0 CONTROL RODS, ECT.

C1 0.0 0.0 D. OTHER (DESCRIBEU BELOW):

NONE 7

1 t

2. ESTIMATE OF MAJOR NUCLIDE COMPOSITION bY TYPE OF WASTE TYPE NUC L IDE PERCEN1 A

CS137 3.90E 01 CS134 2.50E 01 C060 2.00E 01 B

CS137 3.90E 01 CS134 2.50E 01 C060 2.00E 01 o

1 l

t-

P AG E 12 j

MONTICELLO NUCLEAR GEN; RATING PLANT PERIODI JUL - DEC 1976 j

NORTHERN STATES POWER COMP ANY LICENSE NO. DPR-21 1

EFFLUENT AND WASTE DISPDSAL SEM1 ANNUAL REPORT

' TAB Li: 3 SOLID WASTE AND 1RRAb!ATED FUEL SHIPMENTS (CUNTINUED) i j

3. '-OLID WASTE DISPOSITIONt l

l&MBER OF SHIPMENTS MODE DESTINATION e

12 TRUCK NDC ENG CO.,

SHEFFIELD, ILLINDIS 3

TRUCK CHEM NUC INC.,

BARNWELL, SC i

j l

B.

IRRADI ATCD FUEL SH:9MFNT3 N' MBER OF SHIP MENTS MODE DESTIN ATI ON J

NONE

~

J 4

f l

f

)

1 j

PAGE 13 i

MONTICELLO NUCLEAR GENERATING PLANT PERIOD:

JUL - DEC 1976 NORTHERN STATES POWER COMPANY LICENSE NO. DPR-22 EFFLUENT AND WASTE DISPOSAL SEMI ANNUAL REPOR1 i

NOTES 1 i

l

1. RELEASE OF INDIVIDUAL ND8LE GAS ISOTOPES FROM THE PLANT i

STACK WAS DETERMINED USING AN ISOTOPIC ANALYSIS AT THE STEAM JET AIR EJCECTOR.

XE133, XE135, KR85M, KR88, RR87, AND XE138 WERE MEASURED AND USED TO CHARACTERIZE THE MODE OF G AS RELEASE FROM THE FUEL. OTHER SIGNIFIC ANT NOBLE GASES WERE 1

DETERMINED USING KNOWN RATIOS, THE ME ASURED TOTAL OFFGAS l

HOLDUP SYSTEM DEL AY TIME, AND THE KNOWN FRACTION OF THE OFFGAS STREAM RELEASED VIA THE GLAND EXHAUSTER.

l

2. AN ISOTOPIC ANALYS!$ FOR NOBLE GASES IS NORMALLY NOT

]

POSSIBLE AT THE BUILDING VENTS.

THEREFORE, FOR VENT RELEASES, THE ISOTOPIC MIXTURE IS ASSUMED 10 BE EQUAL TO THE MIXTURE DETERMINED AT THE SJAE.

l

3. TOTAL RELEASES REPORTED IN TABLES 1 A AND 2A DO NOT INCLUDE NUCL?OES WHICH WERE BELOW MINIMUM DETECTABLE ACTIVITY (MDA).

MDA VALUES ARE INCLUDED IN TABLES IB, IC, AND 2B.

COMPARISONS OF RELEASES TO APPLICABLE LIMITS DO NOT INCLUDE NUCLIDES WHICH WERE BELOW MDA.

MAXIMUM ALLOWED MDA VALUES ARE EST ABLISHED IN THE TECHNIC AL $PECIFICATIONS.

4 INFORMATIDN REQUIRED BY REGULATORY GUIDE 1.21 WHICH IS NOT APPLICABLE TO THE MONTICELLO PLANT IS INDICATED BY

'NA'.

e i

i 4

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+,y

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,,,,-m---

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