ML20127H039

Effluent & Waste Disposal Semiannual Rept Jul-Dec 1977

ML20127H039
Person / Time
Site:	Monticello
Issue date:	12/31/1977
From:	Mayer L NORTHERN STATES POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 9211180373
Download: ML20127H039 (14)

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NORTHERN STATES POWER COMPANY M O N N E A PO W E. M I N N E S OTA W S 401

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c, tz o l February 22, 1978 ~

Y, %k Mr J G Keppler, Director, Region III '

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Office of Inspection and Enforcement NJ-U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

Dear Mr Keppler:

ENTICE D NUCLEAR GENERATING PIANT Docket No. 50-263 License No. DPR-22 Effluent and Waste Disposal Semiannual Report July 1-December 31. 1977 In accordance with the Monticello Technical Specifications, Appendix A to Operating License DPR-22, we are submitting two copies of the Effluent and Waste Disposal Semiannual Repot t covering the period July 1,1977 through December 31, 1977.

Yours very truly, N.

I L 0 Mayer, PE Manager of Nuclear Support Services

! IDM/DM/ak cc: Ntector, IE, USNRC c/o DSB (6) l G Charnoff MPCA - Attn: J W Ferman Attachments pi i

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9211180373 771231 i PDR ADOCK 05000263 R PDE f

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PAGE 1

'MONT ICE LLO NUCLE AR GENE R ATI NG PL ANT PERIOD: JU L - DEC 1977 NORT H ERN ST ATE S F OWER C DMPANY LIC EN SE NO. OPR-22

(-

EFFLUENT AND WASTE DISPOS AL SEMIANNUAL REPORT I

SUPPLEHENTAL INFORM ATION h

1. REGUL ATORY LIMITS - QTRLY LEVE LS REQUIRING REPORT TO NRC

A. NOBLE G ASE S:

50 * ( QTV *NB ARV+0TS *NBARS , 1 A ND 25* ( QTV*Mb ARV+ QTS *MB A RS ) = 1 i

Ol V = NOBLE GAS RELEASE RAT E FR0h BLDG VENT S(CI /SEC )

QTS = NOBLE G AS R EL EA SE R AT E FROM PL ANT STACK (C1/SEC)

NB A R V = VENT AVG GAMM A AIR DOSE F ACTOR (REH/YR PER C1/SEC)

NBARS = STACK AVG G AMPA AIR DOSE F ACTOR (REM /YR PE R ~' /SEC )

l MBARV = VENT AVG BET A AIR DOS E FA CTOR (REM /YR PER CI/ scc )

i MB ARS = ST ACK AVG BET A AIR DDSE F ACTOR ( REM /YR PER CI/SEC)

B. 10 DINES AND PARTICULATES:

) $0 * ( 3.7 E OS

• 0V+ 2.5 E04* 05 ) =1 OV = BUILDING VENT RELE ASE RA1E OF 10 DINES AND PARTICUL ATES

[. WITH H ALF-LIVES GR EATER TH AN 8 DAYS (C1/SEC)

CS = PLANT STACK FELE ASE RATE OF IODINES AND PARTICUL AT ES WITF H ALF-LIVES GR E ATER TH AN 8 D AYS (C I/ SE C )

C. LIOUID EFFLUENTS:

CONC ENT RAT ION - 10CFR20, APP B, TABLE 11, CO L 2, AND NOTES THERETO A.,* .

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TOTAL QUANTITY - 2.5 CI / QUART ER Cdf0ld IN Dte 42h/ BfD5HihiiE

2. AVERAGE DOSE FACTORS FOR NOBLE G ASES EGUU.iSYD30LTfiLE - ~

, (REM / YEAR PER CI/SEC ):

VE NT R ELEASE S STACK RELEASES IST QTR 2ND OTR IST QTR 2ND QTR-

, KBAR (BODY GAMMA) 5.57 E 00 2.23E 00 1.58E 00 1.19E 00 LBAR (SKIN BETA) 4.22E 01 2.10E 01 1.69E DO 1.31E 00 '

MBAR ! AIR BETA) 4.49E C1 2.42E 01 1.79E 00 1.42E 00 NBAR (AIR GAMMA) 5.89E 00 2.36E 00 1. 64E 00 1.24E 00

3. AVERAGE ENERGY:

, (NOT- APPLIC ABLE)

, l  ?

2/CJ[ DOS $

4 PAGE 2 FONT ICELLO NUCLE AR GENE RATING PLANT P ER IO D: JUL - DEC 1911 NORT H ERN SLATES POWER COMPANY LICEN SE NO. DPR-22 f

EFFLU ENT AND WAST E DI SPOS AL SEMIA NNUA L REPORT 1

SUPPLEMENTAL INFORMATION ( CO NT INUE D) s 4 ME ASUREMENT S AND APPROXIMATIONS OF TOT AL R ADIO ACTIVITY:

A. NOBLE GASES:

CONTINUOUS GROSS ACTIVITY MONITORS IN REACTOR BUILDING VENT AND PL ANT ST ACK EXHAUST STREAMS. WEEKLY ISOTOPIC

! ANALYSIS OF STE AM JET AIR EJECT OR STREAM. MO NT HL Y ANALYSIS OF OFFGAS STOR AGE TANK CONTENTS.

B. IDOINES IN GASEOUS EFFLUENT:

CONTINUOUS MONITORING WITH CH AR CO AL C ARTRIDGE S IN REACTOR BUILDING VENT AND PLANT STACK EXHAUST STREAMS t

h!TH WEEKLY REMOV AL FOR ANALYSIS.

C. PARTICULATES IN G ASEOUS EFFLUENT:

LONT INUOUS MONITORING W ITH P ART ICUL ATE FILTER S IN kE ACTOR 6UILDING VENT AND PLANT STACK E XH AU ST STREAMS WI TH WE EKLY REMOV AL FOR A N ALY SI S.

< D. LIQUID EFFLUENTS:

(i TANK S AMPLE AN ALY ZED PRIOR TO RELEASE WITH 00NT INDOUS MONITORING 0F GROSS ACTIVITY LURING RELEASE.

i i 3. BATCH RELEASES: --- - -

A. LIQUID:

NUMBER OF B ATCH RELE ASES U j 2. TOTAL TIME PERIOD FOR BAlCH RELE ASES NA MIN l

3. M AXIMUM TIME P ERIOD FOR A BATCH RELE ASE NA MIN 4 AVER AGE TIME PERIOD FOR A EATCH RELEASE NA MIN

5. MINIMUM TIME PERIOD FOR A BATCH RELE ASE NA MIN

6. AVER AGE RIVER FLOW DURING RELE ASES NA C F/ SE C l B. GASEOUS:

I

1. NUMBER OF B ATCH RELE ASES 0

2. TOTAL TIME PERIOD FOR BATCH RELE ASES NA M IN

3. M AXIMUM TIME PERIOD FOR A EATCH RELEASE NA MIN

4. AVER AGE TIME PERIOD FOR A BATCH RELEASE NA MIN l S. MINIMUM TIME PERIOD R3R A BATCH RELE ASE NA- M IN

6. ABNORMAL RELEASES:

A. LIQUID:

l 1.- NUMBER OF RELE ASES 0 l 2. TOTAL ACTIVITY RELEA SED _

0.0 CI

(, B. GASEOUS: .

1. NUMBER OF RELE ASES 0 l 2. TOTAL ACTIVITY RELEASED 0.0 CI

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'MONT ICELLO NUCLE AR GENE RATING PLANT P ER IO D: JU L - D EC 1977 NOP T H E RN ST ATES POWER COMPANY LICEN SE NO. DPR-22 n.

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EFFLUENT AND WASTE DISPOS AL SEMIANNUAL RE PORT TABLE 1A GASEOUS EFFLUENT S - SUMMATION OF ALL REL EASE S UN IT S IST OTR 2ND QTR PCNT EST ERROR A. NOBLE GASES:

1. TOTAL RELEASE:

A. ELEVATED RELEASE C1 1.32E 03 6.70E 02

8. BUILDING VENT RELE ASE CI 7.7EE 02 6.56E 02 C. TOTAL CI 2 10E 03 1.3 3E 03 5.00E 01

2. AVER AGE RELEASE R ATE:

! A. ELEVATED RELEASE UCI/SEC 1. 66E 02 8.42E 01 B. BUILDING VENT RELEASE UC1/SEC 9.79E 01 8.2 bE 01 C. TOTAL UCI/SEC 2. 64E 02 1.67E 02 5.00E 01

3. PERCENT TECH SPEC QTR LY R EPCRTI NG LEVEL 1 17 E 01 5.3 0E 00 l

l-B. IODINES:

( 1. TOTAL 1-131:

A. ELEV ATED RELEASE C1 1.27E-02 6.6 2E -0 3

B. BUILDING VENT RELEASE CI 4. 21 E-03 1.3 5E -03 C. TOTAL C1 1. 69 E-02 8.18E-03 5.00E 01

2. AV ER AGE I-131 REL EASE R ATE:

A. ELEV ATED RELEASE UC1/SEC 1. 59 E-03 8.5 BE -04 B. BUILDING VENT RE LE AS E UCI/SEC 5. 30 E-04 1. 70E -0 4 C. TOTAL UC1/SEC 2.12 E-03 1.0 3E -0 3 5.00 E 01 C. LONG LIVED PARTICULATES AND GROSS ALPH A RELE ASES :

1. TOT AL P ARTICUL ATE S:

A. ELEVATED RELEASE CI 2. 03 E-03 1.0 8E -0 3

b. BUILDING VENT RELE AS E C1 2. 35 E-03 2 .7 5E -0 3 C. TOTAL C1 4. 38 E-03 3.83E-03 0.00E 01

! 2. AVERAGE RELE ASE R ATE:

l A. ELEVATED RELEA SE UC1/SEC 2. 55 E- 04 1.3 5E -0 4 i

B. BUILDING VENT RELE AS E UCI/SEC 2.96E-04 3.46E -0 4 C. TOTAL UC1/SEC 5. 51 E-04 4.62E-04 5.00E 01

_ 3. PERCENT TECH SPEC QTRLY REPORTING LEVEL 1. 76 E 00 1.0 6E 0 0

) FOR LONG LIVED 1001NES C PAR T IC UL AT ES l

4 PAGE 4 FONT 1 CELLO NUCLE AR GENE RATING PLANT PER IO D JU L - DEC 1977 NORTHERN ST AT E S POWE R C OMPANY LICENSE NO. DPR-22 EFFLUENT AND WASTE DISPOS AL SEM1 ANNUAL REPORT TABLE 1A GASEOUS E FFLUENTS - SUMMATION OF ALL RELEASES (CONTINUED)

UNITS IST QTR 2ND QTR PCNT EST ERROR 4 GROSS ALPH A RADIO ACTIVI TY :

A. ELEV ATED RELEASE C1 3. 22 E-07 1.4 4E -0 7 B. BUILDING VENT RELE ASE C1 7. 26 E-06 2.81E-06 C. TOTAL CI 7. 58E-06 2.9 5E -06 1.00E 02 1 D. TRITIUM:

1. TOTAL RELEASE:

A. ELEVATED RELEA SE CI 3. 61 E 00 9 .42 E -01 B. BUILDING VENT RELE ASE CI 1.19 E 01 8.41E 01 C. TOTAL CI 1.55E 01 8.50E 01 5.00E 01

2. AVER AGE RELE ASE R ATE:

, A. ELEVATED RELEASE UC1/SEC 4. 54E-01 1.18E-01

b. BUILDING VENT RELEASE UCI/SEC 1. 50E 00 1.06E 01 I_\ C. TOTAL UCI/SEC 1.95E 00 1.07E 01 5.00E 01 i

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PAGE 5 MUNT k CELLO NUCLE AR GENE RATING PLANT PER IO D: JUL - DEC 1977 NORTHERN STATES POWER COMPANY LICEN SE N O. OPR-22 s 4 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT

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TABLE IB GASEDUS EFFLUENT S - ELEVATED RELEA SE CONTINUOUS MODE BATCH MODE NUCLIDES RELE ASED UNITS IST QTR 2ND QTR I ST Q TR 2ND-QTR

1. NOBLE G ASE S:

XE133 CI 7.63E 01 1.16 E 02 0.0 0.0 XE135 C1 1.5BE 01 6.75E 00 0.0 0.0

) KR85M C1 2.42E 00- 1.05E 00 0.0 0.0 4

KR88 CI 8.22 E 00 3.52E 00 0.0 0.0 KR87 CI 1.54E 01 6.3bE 00 0.0 0.0 XE138 CI 3.75E 02 1 38E 02 0.0 0.0 KR90 CI 1.10E 01 4.15E 00 0.0 0.0 XE139 C1 3.26E 01 1.20E 01 0.0 0.0 KR89 C1 3.20E 02 1.22 E 02 0.0 0.0 XE137 CI 4.17E 02 1. 59 E 02 0.0 0.0 XE135M C1 2.41E 01 9.32 E 00 0.0 0.0 KR83M CI 3. 08 E 00 1. 24 E 00 0.0 0.0 XE133M C1 2.36E-01 4. 39 E-01 0.0 0.0 f,T XE131M CI 6.15E-01 1 14E 00 0. 0 0.0 KR85 C1 1.88E 01 8.90E 01 0.0 0.0 J

TOTAL FOR PERIOD C1 1.32E 03 6.70E 02 0.0- 0.0

2. 10D IN E S :

1-131 C1 1.27E-02 6. 82 E-03 0.0 0.0 I-133 C1 2.60E-02 2. 50 E-02 0.0 0.0

! I-135 CI 1.41E-02 1. 56 E-02 0.0 0.0 T OT AL FOR PERIOD C1 5.27E-02 4.74 E-02 0.0 0.0 TOTAL (WITH MDA ~vALUF3) CI 5.27E-02 4.74E-02 0.0 0.0 l

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, PAGE 6 MONTICELLO NULLE AR GENE HATING PL AN1 PERIOD: JU L - DEC 1977

NORT HE RN STATES POWER COMPANY LIC ENSE NO. OPR-22 4

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT 4

j TABLE IB G ASE OUS EF FLUENT S - 6L EV ATED REL EASE ( CONT IN UE D)

CONTINU0US M3DE BATCH MODE NUCL10ES RELEASED UNIT S IST QTR 2ND QTR IST QTR 2ND QTR j 3. PARTICULATES:

! ND147 CI <4. 97 E-06 < 3. 43 E-06 0.0 0.0 CE144 C1 <2.97E-05 <1.93E-05 0.0 0.0 CE141 C1 < 3.18 E-06 < 1. 43 E-06 0.0 0.0 BA140 CI <8.95E-04 <8.55E-04 0. 0 0.0 C S137 CI 5. 47 E- 04 4. 25 E-05 0.0 0.0 CS136 CI <2. 54 E-06 <2. 04 E-06 0.0 0.0 CS124 C1 <2. 01 E-04 <1.11 E-05 0.0 0.0 SB126 CI (1. 85 E-06 < 1. 33 E-06 0.0 0.0 SB124 CI <2.18E-06 <1.75E-06 0.0 0.0 RU103 CI <1.65E-06 < 1.13 E-06 0.0 0.0 ZR95 C1 < 2. 72 E-06 < 1.97 E-06 0.0 0.0 1

NB95 CI < 1. 69 E-06 < 1.14 E-06 0.0 0.0 SR90 CI 6.97E-05 1.80E-05 0.0 0.0 -

I'5 SR89 C1 2. 77 E-04 1.21E-04 0.0 0.0 ZN65 CI <3.38E-06 < 2. 68 E-06 0.0 0.0 i C060 CI < 1. S9 E-05 <4. 75 E-06 0.0 0.0 FE59 C1 <3.15E-06 <2.55E-06 0.0 0.0 C050 C1 < 2. 02 E-06 < 1.15 E-06 0.0 0.0 C057 CI <9.10E-07 <1.14E-06 0.0 0.0 MN54 C1 <2.76E-06 <1.06E-05 0.0 0.0 CR51 CI < 1. 38 E-05 <9. 77 E-06 0.0 0.0 f TOTAL FOR PERIOD C1 2. 03 E-03 1.08E-03 0. 0 0.0

TOTAL (WITH MDA VALUES) C1 <2. 08 E-03 <1.11 E-03 0. 0 0.0

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i PAGE 7 MONT ICELLO NUCLE AR GENE RATING PLANT P ER IO D JUL - DEC 1977 NORTHERN ST ATES PCWER COMPANY LICENSE NO. DPR-22 EFFLU ENT AND WASTE DI SPOS AL SEMI ANNUA L RE PORT i

TABLE IC G AS EOUS EFFLUENTS - BUILDING VENT R EL EA SE CONTINUOUS HD DE 8 AT CH MODE NUCLIDES RELEASED UNITS IST QTR 2ND Q TR IST QTR 2ND QTR

1. NOBLE G A SE S:

]

! XE133 CI 5.57E 01 4 30E 01 0.0 0.0 XE135 Cl 9.33E 00 3.496 00 0.0 0.0

! KR65M C1 1.42E 00 5. 40 E-01 0.0 0.0 i

KR88 CI 4.87E 00 1.82E 00 0. 0 0.0 l KR87 C1 8.93E 00 3.29E 00 0.0 0.0

XE138 CI 2.20E 02 7.10E 01 0.0 0.0 KR90 Cl 6.44E 00 2.15 E 00 0.0 0.0

• XE139 CI 1.91E 01 6.38E 00 0.0 0.0 KR69 CI 1.8BE 02 6.30E 01 0.0. 0.0

XE137 CI 2.45E 02 8.23E 01 0.0 0.0 XE135M CI 1.42E 01 4.95 E 00 0. 0 0.0 KR83M CI 1.81E 00 6.38E-01 0.0 0.0 X E 133 M C1 4.29E-01 1.30E-02 0.0 0.0 I

(h XE131M CI 2.28E-01 2. 92 E 00 0.0 0.0 Kkb5 C1 2.47E 00 3.70E O2 0.0 0.0 TOTAL FOR PERIOD CI 7.78E 02 6. 56 E 02 0. 0 0.0

, 2. 10 DIN ES :

i 1-131 C1 4. 21 E-03 1.35E-03 0.0 0.0 I-133 C1 2.13E-02 8. 72 E-03 0.0 0.0

! 1-135 C1 4. 41 E-02 3.91E-02 0.0 0.0 TOTAL FOR PERIOD CI 6.96E-02 4. 92 E-02 0.0 0.0

TOTAL (WITH MD A V ALUES) CI 6.96E-02 4. 92 E-02 0.0 0.0 l

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l PAGE 8 MON'T ICEL LO NUCLE AR GENERATING PL ANT PERIOD: JU L - DEC 1917 NORTHERN STATES POWER COMPANY LICENSE NO. OPR-22 EFFLUENT AND WASTE DISPOS AL SEMIANNUAL REPORT 4

1ABLE IC GASEQUS EFFLUENTS - BUILDING VENT RELEASES (CD1TINJED)

CONTINUOUS MODE B AT CH MODE NUCLIDES RELEASED UNITS IST QTR 2ND QTR i ST Q TR 2ND QTR

3. P ARTICUL ATES:

N t'147 C1 <4.25E-05 <3.27E-05 0. 0 0.0 CE144 C1 < 6. 81 E-05. < 5. 54 E-05 0.0 0.0 CE141 CI < 2. 06 E-05 < 1. 61 E-05 0.0 0.0

BA140 CI <9. 31 E-04 <3. 59 E-04 0.0 0.0 CS137 C1 3. 77 E-04 6.67 E-04 0.0 0.0 CS136 C1 < 1. 96 E-05 <1. 75 E-05 0.0 0.0 i CS134 C1 1. 42 E-04 <2. 39 E-04 0.0 0.0 SB126 CI (1. 33 E-05 <1.12 E-05 0.0 0.0 SB124 C1 <1.39E-05 <1.08E-05 0.0 0.0 RU103 C1 < 1. 50 E-05 < 1. 40 E-05 0. 0 0.0 2k95 CI < 2. 49 E-05 <5.16 E-05 0.0 0.0 NB95 CI <1.20E-05 <2.58E-05 0.0 0.0 SR90 C1 2.95E-05 2.68E-05 0.0 0.0

(~x SR89 C1 1. 09 E-04 < 1. 73 E-05 0.0 0.0 Zh65 C1 <l.04E-04 <1.27E-04 0.0 0.0

C060 C1 <6.36E-04 1.22E-03 0.0 0.0

, FES9 C1 < 2. 49 E-05 < 2.18 E-OC 0.0 0.0

C056 C1 <2.36E-05 <2.49E-05 0,0 0.0 C057 CI <7.25E-06 <5. 63 E-06 0.0 0.0 MN54 C1 <1.69E-05 <3.98E-05 0.0 0.0

. CR51 C1 < 8. 75 E-05 <7. 45 E-05 0.0 0.0 i

i TOTAL FOR PERIOD C1 2.35E-03 2.75E-03 0.0 0.0 TOTAL (WITH MDA VALUES) CI <2.72L-03 <3.06E-03 0.0 0.0 4

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d PAGE 9 NCNT I C ELLO NUC LE AR GENE AATING PL ANT PER IO D: JU L - D E C 1911

, NORT H ERN S1 AT ES POWER COMPANY LICENSE NO. OPR-22 i

E F F LU ENT AND WAST E DI SPOS AL SEM1 ANNUAL REPORT 1ABLE 2A LIQUID EFFLUENTS - SUMMATION OF ALL RELE ASES UN IT S IST QTR 2ND QTR PCNT EST ERRCR i

A. F ISSION AND ACTIVATION PRODUCTS:

l

1. 10TAL RELEASE CI 0.0 0.0 0.0 (EXCEPT H-3, GASE S, AND ALPHA)

2. AVG DILUTED CONCENTRATION UCI/ML 0.0 0.0 l 3. PERCENT QTRLY TECH SPEC REPOR TIFG LEVEL 0. 0 0.0

6. T R I11 UM :

4 1. TOTAL RELEASE CI 0.0 0.0 0.0

2. AVG OILUTED CONCENTR ATION UCI/ML 0.0 0.0 3 3. PEkCENT QTRLY TECH SPEC REPORTING LEVEL NA NA C. DI SSOLVED AND ENTRAINED GASES:

1

(\ -

1. TOTAL RELEASE CI 0.0. 0.0 0.C

2. AVG DILUTED CONCENTRAT10N UCI/ML 0.0 0.0

3. PERCEN1 OlRLY 1ECH SPEC REPOkTING LEVEL NA NA D. GRGS$ ALPH A R ADI0ACT IVITY:

1. TOTAL RELEASE CI O.0 0.0 0.0 E. VOLUME OF WASTE RELE ASED LITERS 0.0 0.0 0.0 i

F. VOLUME OF DILUTION W ATER b2 D LITERS 0.0 0.0 0.0 1

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PAGE 10-4 'HCNT1 CELLO NUCLE AR GENE RATING PL ANT P ER IO D: JU L - DEC 1977

, NORT H ERN ST ATES POWER COMPANY LICENSE NO. OPR-22 1

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1 EFFLU ENT AND W ASTE DISPOS AL SEPIANNUAL RE PCRT i

! . TABLE 28 LICUID EFFLUENTS l

i CONT INUOUS MODE BATCH MODE l NUCLIDES RELEASED UNITS IST OTR 2ND QTR IST CT R 2ND QTR l NONE 1

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PAGE 11 MONTICELLO NUCLE AR GENE RATING P LANT PE R IO D: JUL - DEC 1977

. NOR1HERN ST ale S POWER COMPANY LICENSE NO. OPR-22 i

_2 3

.l EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT TABLE 3 SOLID WASTE ANO 1RR ADIATED FUEL SHIPMENTS l A. SOLIO WAST E SHIPPED OFFSITE FOR BURI AL OR DISPOS AL :

1. TYPE OF WAS~E

PCNT EST

UN IT S TOT AL EPROR i

A. SPENT RESINS, FILTER SLUDGES, CU METER 8.71E 01 EVAPORATOR BOTTOMS, ECT. CI 3. 5 0E 0 2 5. 00 E 01 i

B, ORY COMPRESSIBLE WASTE, CU METER 2.49E 02 CONT AMIN ATED E QUIP , ECT. C1 1.3 0E 01 5.00E 01 C. IRRADIATED COMPONENTS, CU METER 4.36E 00

{

CONTROL PODS, ECT. C1 2.81E 04 5.00E 01

0. OTHER (DESCRIB ED BELOW):

NCNE i 2. ESTIMATE OF MAJOR NUCLIDE COMPOSITION BY TYPE OF WASTE:

i l TYPE NUCLIOE PE RC EN T I

A C S137 3.00E 00

Z N6 5 3.70E 01 j C060 5.50E 01

. B CS137. 3.00E 00 Z N6 5 3.70E 01 C06 0 5.50E 01 C C C6 0 9.30E 01 MN54 7. 00E 00 4

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P AGE 12  :

MONT ICELLO NUCLE AR GENE HATING PL AN1 P ER IO D: JU L - D EC 1977 NORTHERN ST ATE S POWE R CG.5PANY LICENSE NO. DPR-22 i

EFFLUENT AND WASTE DISPOS AL SEMIANNUAL REPORT TABLE 3 SOLID WASTE AND IRR ADI A TED FUEL SHIPMENTS ( CONT INUED) f

3. 50 LID W AST E DI SPO SITION

NUMBER OF SHIPMENTS MODE DE ST IN AT ION

4 TRUCK NUC E NG C O. , POORHE AD , KE NT UC KY 23 TRUCK NUC E NG C O . , SH EF FI EL D, I LLINDI S

3 T RUCK CHE M NUC INC. , B AR NW EL L , S.C, 4 3 TRUCK N UC ENG CO., RICHLAND, WAfH, B. IRRADI ATED FUEL SHIPMENTS:

NUMBER OF SHI PMEN TS MODE DE ST IN AT ION 4

NONE

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1 PAGE 13

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MONilCELLO NUCLE AR GENE RA11NG PL ANT P ER IO D: JU L - DEC 1977 '

NDRT H E P h ST ATE S POWE R COMPANY LICENSE NO. DPR-22 EFFLUENT AND WASTE DISPOS AL SEMIANNUAL REPORT NOTE S :

1. R ELEASE OF INDIVIDUAL NOBLE GA5 ISOTOPES FROM THE PL ANT STACK W AS DE TERMINED US ING AN ISOTOPIC AN ALYS15 AT THE ST EAM JET AIR EJCECTOR. X E 13 3, XE135, KhESM, KR88, KR87, AND XE138 WERE ME ASURED AND USED TO CHARACTERIZE THE MODE OF GAS RELEASE FROM THE FUEL. OTHER SIGNIFIC ANT NOBLE GASES WERE DE T E R MIN ED USING KNOWN RATIOS, THE ME ASURED TOT AL OFFGAS HLLDUP SYSTEM DELAY TIME, AND T HE KNOWN FRACTION OF THE OFFG AS STRE AM RELEASED VI A 'HE GL AND EXHAUSTER.

4. AN ISOTOPIC ANALYSIS FOR NOBLE GASES IS NORM ALLY NOT PDSSIELE AT THE BUILDING VENTS. TH ER EF OR E , FOR VENT RELE ASES , THE ISOTOPIC MIXTURE IS ASSUMED TO BE ECUAL TO THE MIXTURE DE T E RM IN ED A T 1HE SJAE.

S. TOTAL RELE ASES REPORTED IN T ABLE S 1A AND 2A 00 NOT INCLUDE huCL1 DES WHICH WERE BELnW NINIMUM DETECTABLE ACTIVITY (MDA). MDA VA LUES ARE INCLUDED IN T ABLE S 1B, IC, AND 28. COMPARISONS OF RELEASE S TO APPLIC ABLE LIMITS DO NOT INCLUDE NUCLIDES WH ICH WERE BELOW MDA. MAXIMUM ALLOWED c'MDA V ALU65 ARE ESTABLISHED IN THE TECFNIC AL S PE CI FI C A TI ON S.

4. INFORMATION R ECUIRED "Y REGULATORY GUIDE 1.21 WHICH IS NOT APPLICABLE TO THE MONT ICEL LO P LANT IS INDIC AlED BY 'NA'.