ML20056B830
| ML20056B830 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 10/10/1974 |
| From: | Mayer L NORTHERN STATES POWER CO. |
| To: | Oleary J US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 9102120447 | |
| Download: ML20056B830 (8) | |
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.geg~a0td t y DOChBI N O NSD NORTHERN STATES POWER COMPANY MIN N E A POW s. MIN N E SOTA B 5 401
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T Mr. J F O' Leary Directorate of Licensing k',/7 Office of Regulation U S Atomic Energy Corsnission g5 Washington, DC 20545
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Dear Mr. O' Leary:
OCT 24 N
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FDNTICELID NUCLEAR GENERATING PLANT not M
Docket No. 50-263 License No. DPR-22 f
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Correction No. 2 to Semi-Annual Operating Report #7 The Ibnticello Semi-Annual Operating Report #7 covering the period of January 1 to June 30, 1974 chould be corrected as follows:
a) An error has been discovered in the June, 1974 iodine release I
computations.
Items V.A.2.a and V.A.2.b should be corrected as follows:
2.
Iodine Releases a.
Total iodine radioactivity (Curies) i June Total i
I Be fore After Before After 131 1
0.806 0.751 1.93 1.87 i
133 1
3.79 2.12 5.32 3.65 135 I
23.32 6.22 24.97 7.87 4
b.
Percent of Technical Specification limit of 1131 June Total i
Before After Before After 66.40 66.35 42.84 42.02
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[F102120447 741010 ADOCK 0500026 3 CF
4 NORT..ERN CTATE3 POWER COMPANY j
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b) Data on relief valve operation should be added to the report. This information was inadvertently omitted.
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Punched corrected pages are attached. A page incorporating the correction j
to page 11-1 reported in our letter of September 12, 1974, is also included.
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Yours very truly, 3.
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i L 0 Mayer, PE j,
Director of Nuclear Support Services LOM/DMM/kn i
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cc: J G Keppler a
G Charnoff t
Minnesota Pollution Control Agency
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Attn. E A Pryzina i
I Attachment
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T_ABLE OF CONMTS I.
OPERATIONS SlMRTN A.
Chronological History B.
Changes in Plant Design i
C.
Performance Characteristics D.
Procedure Changes 1
E.
Results of Surveillance Tests and Inspections F.
Containment Leak Rate Tests G.
Changes, Tests, and Experiments Requiring AEC Authorization H.
Changes in Plant Operating Organization
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I.
Occupational Personnel Radiation Exposure J.
Relief Valve Act,uation II. P0h*ER OPERATION' AND SHLTTDOWh'S A.
Power Generation Statistics
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B.
Shutdowns III. FRIhTENANCE SLMRRY IV. CHANGES, TEST 3 AND EXPERIMENTS V.
RADI0 ACTIVE EFFLUENT RELEASES A.
Gaseous Effluents 1.
Gross Radioactivity Releases 2.
Iodine Releases 5-3.
Particulate Releases B.
Liquid Effluents C.
Solid h'aste VI. ENVIRONMEhTAL hmITORING Revised 10/8/74 11
J. Relier Valve Actuation January 1, 1974 - June 30, 1974 Date How Initiated No. of Operations j
RV 2-71A 5/18/74 Manually during operability test.
1 6/19/74 Auto during scram.
1 RV 2-71B 5/18/74 Manually during operability test.
1 RV 2-71C 5/18/74 hhnually during operability test.
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RV 2-71D 5/18/74 hhnually during operability test.
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RV 2-71E 5/18 /74 hhnually during operability test.
1 5/21/74 hhnually during operability test.
1 6/19/74 Auto during scram.
1 RV 2-71F 5/18/74 hhnually during operability test.
1 6/19/74 Auto during scram.
1 RV 2-71G 5/18/74 hhnually during operability test.
1 5/19/74 hhnually during operability test.
1 5/21/74 hhnually during operability test.
1 5/21/74 hhnually during operability test.
1 RV 2-71H 5/18 /74 hhnually during operability Test.
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Reviced 10/8/74 I-13
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1974 JANUARY FEBRUARY MARDI APRIL MAY
.IlfNE TfTTAIS 1,084,831' 806,189 425,832 0
307,152 857,400 3,481,404 RATED H
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374,870-275,270-145,270 0
107,510 293,860 1,196,780 E
'360,710 263,986 138,334
-1,342 101,524 280,974 1,144,186 g
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fG!BER OF 1100RS 743 672 341 0
339 649 2,744 I
REACIOR CRITICAL 2
N ER F 743 609.3 338.7 0
251 591 2,533 R
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- V.
Radioactive Effluent Releases A. Gaseous Effluents 'l 1. Gross Radioactive Release 9 a. Total gross radioactivity (Curies) 14 January February March April-May June Total ,3 276,600 217,500 106,400 210 31,846 115,200 747,396 b. Maximum gross radioactivity release rate in any one hour period (uci/sec) f r1 I c January February March APIH Bay June Total 185,050 172,562 113,996 350 101,186 94,404 c. Total gross radioactivity by nuclide (Curies) January February March April May June Total 85 Kr 1330 1220 540 x 80 640 3810 i 133 Xe 40670 35800 15290 x 4140 13780 109680 Kr88 38040 35750 15540 x 3750 14150' 107210 0 Kr 38710 31900 14520 x 3770 10770 99670 i 85M Kr 17560 16060 7480 x 2090 8490 51680 130 Xe 27040 18250 7840 x 4630 19210 76970 i 135 Xe 109400 78400 41600 x 10240 37910 277550 i 41 Ar x x x x x x x d. Percent of Technical Specification limit January February March April May June Total j 33.90 33.30 16.20 0.03-3.90 17.60 17.60 f 2. Iodine Releases a. Total iodine radioactivity by nuclide (Curies) l January February March April May June Total 131 1 0.327 0.299 0.443 0.0314 0.0927 0.751 1.87 133 I 0.602 0.301 0.114 x 0.508 2.12 3.65 135 11 I 0.402 0.257 0.0993 x 0.891 6.22 7.87 1:. i t V-1 Revised 10/8/74 1
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b. Percent of Technical Specification limit of 1 January February March April May June Total 42.40 39.30 105.70 8.32 4.67 66.35 42.02 } 3. Particulate Releases I Grossradioactivity(Q) released (Curies) a. January February March April May June Total 1.06x10-2 1.11x10-2 7.2x10-3 1.36x10-3 7.66x10-3 1.53x10-2 5.33x10-2 b. Gross alpha radioactivity released (Curies) i J anu ary February March April Bay .Inne Tntal x x x x x x x c. Total gross radioactivity released of nuclides of greater than an 8 day half-life (Curies) January Febraury March April ]9t.Y June Total 3.2x10-3 7.4x10-3 -3 -3 ~3 ~ 3,lxlo 1,1xlo 5.4x10 8.9x10 2.9x10' d. Percent of Technical Specification limit for particulates with greater than an 8 day half-life. January February March April May June Total 1.30 2.90 1.20 0.96 1.52 2.83 1.81 4. Liquid Effluents No liquid effluent releases were made during the six month rarporting a. period. X-Unidentified and/or undetectable 4 f Revised 10/8/74 V-2 _ _ _ _ _ _ _ _.}}