ML20058K811

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Correction 3 to Semi-Annual Operating Rept 7, for Period of Jan to June,1974
ML20058K811
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 06/30/1974
From: Mayer L
NORTHERN STATES POWER CO.
To: Case E
US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 9102140435
Download: ML20058K811 (9)
v • d • e


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NORTHERN STATES POWER COMPANY usuu racou s uiwwe sova ss4os -

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Mr. E G Case, Acting Director  ;) , , , , , , )'.--

Directorate of Licensing i d -

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Office of Regulation 4-. -- . -

U S Atomic Energy Commission

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Washington, DC 20545

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Dear Mr. Case:

IW M0'CICELLO NUCLEAR GENEPATING PIANT Docket No. 50-263 License No. DPR-22 Correction No. 3 to Semi-Annual Operating Report #7 The Monticello Semi-Annual Operating Report #7 covering the period of January 1 to June 30, 1974 should be corrected as follows:

a) A transposition of two columns on part of Table 6, page VI-18 requires the page be revised. ,

l b) Data not included in Table 5 page VI-14, Table 10 page VI-41 and Table 13 page VI-48 requires these pages be revised.

Punched corrected ;nges are attached.

Yours very truly,

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L 0 Mayer, PE Manager of Nuclear Support Services LOM/BWC /yb cc: J G Keppler G Charnoff Minnesota Pollution Control Agency Attn. E A Pryzina Attachment

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9102140435 750117 "-

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l FALILUT pCi/m2 pCi/1 9 im 9 Fe 3 e Collection Mn Zn Co Sb ta Sr 11

! Monticello Jan 68 460 8.3 (170 Feb 112 15 750 12.0 220 C *ne ing

! Plant K, r 430 3140 23 0 470 Arr 710 9 7.6 4.6 5870 100.0

May 13M 24 15300 220.0 Jun 920 21 11600 160.0 l 460 ,

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i Minneapolis Jan 140 810 6.2 4

" ""* Feb 150 8.5 1020 11.0 (190

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liedith ) Mar 820 16 5810 35.0 (240 h Apr 1600 21 23.0 12800 120.0

May 1500 28 8.0 11100 230.0 700 Jun 1200 48.0 45 20300 230.Ol

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i i . Revised 1-17-75 i

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Table 6 t i

MIII pCi/ lite r  ;

Ihte of 90sr 737 Cs 131 I <

Sampling Iocation Collection l

Region #1 North of Plant Site 14.0 Dwinger - 13 0 mi. @ 335* 1-16-74 30 (5 20 2-13-7L 6.2 (3.40 12.0 -

3-13-74 6.6 (2.40 13.0 4-10-7L 4.0 (2.60 13 0 5-15-74 8.6 (0.13 16.0 6-12-74 19 0 (0.16 11.0 l 1-16-74 4.0 (L.E0 9.9 i Kirchenbauer - 11.5 mi. @ 323* 12.0 2-13-74 4.3 (3 20  ;

3-13-74 L.6 (2.10 17.0  ;

k-10-74 6.0 (3 10 10.0 l 5-15-74 6.6 (0.11 16.0 6-12-74 15 0 0.40 9.9 L

Region #2 Southwest of Plant Site 6.8 Kotilinek - 5.6 mi. @ 230* 1-16-74 (2.3 (L.90 2-13-74 (2.4 (3 10 6.3 3-13-74 5.6 (3.80 6.2 4-10-74 (2.1 (3 00 5.4 5-15-74 10.0 (0.26 7.2 6-12-74 (1.8 (0.22 11.0 Vandergon - 8 3 mi. @ 247* 1-16-74 32 (6.20 2.6 2-13-74 (1.6 (2.60 39 -

3-13-74 (2.6 (4.70 4.2 4-10-74 (3 1 (3 10 35 5-15-74 12'.O (0.25 4.6 6-12-74 33 (0.17 59 i

Regien #3 South of Plant Site Holland - 8.1 mi. @ 199* 1-16-74 10.0 (5.70 .0 2-13-74 2.2 (2.20 31 3-13-74 (2.4 (L.10 h.5 4-10-74 2.2 (2.80 4.2 5-15-74 36 (0.23 2.7 6-12-74 10.0 (0.46 L.3 Hopkins - 7.6 mi. @ 193* 1-16-74 4.1 (5.80 3.6 2-13-74 4.0 2.60 L.1 3-13-74 25 (4.10 37 h-10-74 1.7 (3 10 3.4 5-15-74 (2.3 (0.26 37 6-12-74 (2 3 (0.45 3.8 s

VI-17

1 I

Thble 6 (cont)

MI1K l pCi/ liter Date of i 37 Cs 131 I 90Sr ~~

Sar:pling location Collection l _

R:gion #4 Southeast of Plant Site Becker - 10.0 mi. @ 130* 1-16-7h 4.4 (4.30 5.6 2-13-74 2.6 (2.90 g*f 3-13-74 (1.8 (3 30 '

4,10-74 39 (5.10 (*6 5-15-74 3.5 (0.33 (*g2 6-12-7h 2.2 (0.42 Vetsch - 9 4 mi. @ 128* 1-16-74 (1.7 (5 30 4.9 2-13-74 3.1 (3.10 4.2 -

3-13-74 2.2 (2.90 5.6 L-10-74 55 (5.00 5.4 5-15-74 5.5 (0 30 5.9 6-12-74 12.0 (0.42 51 Elk River East of Plant Site , ,

Barthel - 14.25 mi. @ 93* 2-26-74 3.10l (2.4 '

59 6-27-74 9.90 (3.7 3.7 Gamm - 17.75 =i. 2 88 2-25-74 7.70 (2.7 8.2 6-27-74 21.00 (3 9 50 Lakoduk - 11.5 mi. @ B2* 2-25-74 4.10 (2.7 6.3 6-27-74 5.00 (4.7 8.9 Nemeth - 12.75 mi. @ 76* 2-25-74 12.00 (2.7 10.0 -

6-27-74 12.00 (3.7 j 25 0 i

6 Reviced 1-17-75 VI-18

Table 10 IAKE WATER pCi/ liter Ihte of Gross 90Sr Samuline location Collectien Beta Cs 1-17-74 12 (2.2 330 2.8 )

Bass Iake 48 mi. 3 108 2-26-74 8 (2.0 560 31 1 3-27-74 8 (2.1 3h0 2.7 4-2L-74 8 2.5 620 35 5-30-74 6 (1.4 540 33 6-20-74 7 (2.0 680 2.6 l 1-8-74 9 (2.0 680 2.1 '

Bertram lake (2.0 (180 1.9 )

2-26-74 13 2.3 mi. 2 188* 8 (2.0 280 2.0 )

3-27-74 '

4-24-74 7 (1.4 690 2.0 5-29-74 5 (1.4 400 2.0 6-26-7L 13 (2.0 570 2.4l Sig Iake 1-8-74 15 L.2 880 5.3 4.4 mi. @ 84 2-26-74 14 (2.0 810 4.9 3-27 -74 6 (2.1 650 0.7 I L-2L-74 13 (2.0 880 4.7 l

5-28-7h 12 (1.4 510 L.6 l 6-26-7L lb (2.0 820 51l l

Clitty Iake 1-8-74 8 (2.0 560 38 6.0 mi @ 3L2 2-26-7h 2b (2.0 250 53 3-27-74 21 (2.0 570 53 4-2k-74 10 (2.0 380 2.1 5-28-74 (3 2.4 260 2.1 6-26-7h B (1 9 620 19l Iocke lake 1-8-74 11 (2.0 450 2.7 5.6 mi. ; 292 2-26-74 11 (2.0 520 2.1 3-27-74 12 (2.1 550 2.3 4-2L-74 ik J1.5 250 2.3 5-28-7L 5 (1.6 630 23, 6-20-74 8 (1.9 LOC 2.2 1 Mud Iake 1-8-74 25 (2.2 42/ 31 5.8 mi. 2 142 2-26-7L 19 (2.1 30 3.8 3-27-74 18 (2.0 5e0 3.4 4-24-74 49 8.6 590 25 5-28-74 14 11.7 420 32 6-20-74 16 (2.0 klo 32 l Reviced 1-17-75 VI 41

VELL WATER t1t 4

1. Sample location: 6 locations - See map #6.
2. Collection Period: Quarterly.

3 Radionuclides: Gross beta, gamma emitters, Tritium and Strontium-90.

4 Concentration: See table 11.

5.. Background Values: 5 pCi gross beta / liter.

6. Analytical Method: See A ppendix A.

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= t AQUATIC VEGETATION

1. Sample Locations: River and lake sampling locations. ,
2. Collection Period: Quarterly.

3 Radionuclides: Gross beta, Cesium-137, other gamma emitters, and Strontium-90.

4 Concentration See table 13 b

5 Background Values: 82 pCi Gross beta / gram.

6. Analytical Method: See Appendix A.

i 7 Rema rks Unsafe ice conditions precluded sampling during the first quarter.

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.IAKE & RIVER AQUATIC VEGETATION t i nCi/rram Date of Gross 137 Cs 40 Be ta ' Sr Sampling location Collection 85 0.62 2.40 Bass Lake 3-30-74 48 mi. @ 108*

54 <.32 0.39 3ertram Lake 5-29-74 2 3 mi. J 188' 6-7-74 kl 0.50 0.52 Big Lake L.h mi. 3 84*

6-7-7h 81 L.70 3 60 Clitty Lake 6.0 mi. 2 342 6-7-74 57 0.79 0.90 l Locke Lake 5.6 mi. 2 292 6-7-74 109 (.41 0.72 Mud Lake 5.8 mi. J 142*

Mississippi River 6-5-74 Upstream of Plant Mississippi River 6-5-74 Downstream of Plant

    • Sample lost in lab

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Revised 1-17-75 b

VI L8

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