ML20080P592

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Effluent & Waste Disposal Semiannual Rept for Third & Fourth Quarters,1994
ML20080P592
Person / Time
Site: Vermont Yankee Entergy icon.png
Issue date: 12/31/1994
From: Tremblay L
VERMONT YANKEE NUCLEAR POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY95-26, NUDOCS 9503080048
Download: ML20080P592 (40)
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. VERMONT YANKEE

  • NUCLEAR POWER CORPORATION l

.. Ferry Road, Brattleboro. VT 05301-7002 s y ENGINEERING OFFICE 580 MAIN STREET

  • BOLTON, MA 01740
  • (508) 77S 4711 l 1

l March 1,1995 I BVY 95 - 26 United States Nuclear Regulatory Commission ATrN: Dament ControlDesk j Washington,DC 20555 l

References:

a. License No. DPR-28 (Docket No. 50-271) 1

Subject:

Vermont Yankee Effluent and Waste Disposal Semiannual Report for the nird and Fourth Quarters,1994

)

Enclosed he:ewith please find one copy of the Vermont Yankee Nuclear Power Corporation i subject report. His report covers the period beginning July 1,1994 and ending December 31, 1994 and is submitted m accordance with our Technical Specification 6.7.C.I. De annual dose sununary to man for 1994 will be submitted in a supplemental report in accordance with Technical Specification 6.7.C.1.b.

Please note that a proposed change to our Technical Specifications has been submitted to NRC for review and approval to bring this reporting requirement in line with the less frequent (annual) submittal schedule detailed in 10CFR50.36a, as amended. -We will continue to provide the more frequent semiannual submittals required by our existing Techniemi Specifications until such time that Vermont Yankee receives the requested license amendment.

1 We trust that the enclosed information is satisfactory; however, should you have any questions, please contact this office.

Sincerely, VERMONT YANKEE NUCLEAR POWER CORPORATION M  % ,

Ieonard A. Tremblay, Jr., P.E. N SeniorLicensing Engineer cc: USNRC Region I Administrator USNRC ResidentInspector- VYNPS USNRC Project Manager- VYNPS 9503080048 941231

.T 070085 , ,

PDR ADOCK 05000271 / )W l R PDR g v

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EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT FOR THIRD AND FOURTH QUARTERS, 1994

)

1 Vermont Yankee Nuclear Power Station

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! TABLE 1A j l

Vermont Yankee q

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Effluent and Waste Discosal Semiannual Report Third and Fourth Quarters. 1994 1-i Gaseous Effluents - Summation of All Releases ~  ;

i J i

Est.

Quarter Quarter Total '

Unit 3 4 Error, E A. Fission and Activation Gases

1. Total release Ci <7.96E+02'  !<8.04E+02 il'.00E+02 >

Average release rate'for period uCi/secJ '<1.02E+02-

~

2. <1.01E+02 l
3. Percent of Tech. Spec. limit (1)  %

B. Iodines {

1. Total Iodine 2131 Ci '6.84E 5.42E-04 *5.00E+01 i
2. Average release rate for period uCi/sec 8.70E-05 6.89E-05 ,
3. Percent of Tech.-Spec limit (1)  %  !

C. Particulates  !

1

1. Particulates with T-1/2 > 8 days -Ci- 2.50E-04 1.53E-04 iS.00E+01 .
2. Average release rate for period uCi/sec 3.18E-05 1.95E-05
3. Percent of Tech. Spec.' limit (1)  %
4. Gross alpha radioactivity Ci 1.12E 9.33E-07 D. Tritium
1. Total release Ci 5.09E+00 7.28E+00 i5.00E+01
2. Average release rate for period uCi/sec 6.47E-01 9.26E-01
3. Percent of Tech. Spec. limit (1)  %

1)- Percent of Technical Specification limit will be provided in the Supplemental Effluent and Waste Disposal Report to be submitted per Technical Specification 6.7.C.1.

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1 TABLE 1B j Vermont Yankee

  • Effluent 'and Waste Disposal Semiannual Reoortl i Third'and Fourth Quarters. 1994 1
' Gaseous Effluents L Elevated Releases - ],

Continuous Mode Batch ModeU) l 3

Ouarter- Quarter Quarter Quarter j Nuclides Released Unit 3 4' 3" 4 .;

'1. Fission Gases Krypton-85 Ci ND ND 3'

Kryoton-85m Ci <3.03E+00 -<3.11E+00-Kryoton-87 Ci- <2.21E+01 <2.23E+01-Krypton-88 Ci <9.81E+00- <1.02E+01-

'- <1.23E+00 <1.28E+00 Xenon-133- Ci L Xenon-135 Ci <1.93E+01 <2.05E+01 Xenon-135m C1 <1.40E+02- <1.41E+02 l- Xenon-138 Ci <6.00E+02 <6.05E+02 *

Unidentified i

Ci Total for period Ci <7.96E+02 <8.04E+02 1

J

2. Iodines j
Iodine-131 Ci 6.84F-04 5.42E-04 l Iodine-133 C1 4.16E-03  ? t221, i Iodine-135 Ci ND ND l Total for period Ci 4.84E-03 3.48E-03
3. Particulates Strontium-89 Ci 2.26E 1.30E-04 Strontium-90 Ci <7.31E-06 <4.92E-06 Cesium 134 Ci ND ND Cesium-137 Ci ND ND Barium-Lanthanum-140 Ci ND ND Mancanese 54 Ci ND ND Chromium-51 Ci ND ND i I

Cobalt-58 Ci ND ND Cobalt-60 Ci 1.69E-05 ND Cerium-141 Ci ND ND i Zinc 65 Ci ND ND Total for oeriod Ci 2.50E-04 1.34E-04 (1) There were no batch mcde gaseous releases for this reporting period.

J ND - Not detected at the plant stack.

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. l TABLE l'l, i

j. Vermont Yankee

.)

[ Effluent and Waste Disposal ~ Semiannual ReDort i

Third and Fourth Quarters 1994 1

Gaseous Effluents' - Ground Level Releases (2) l

! Continuous Mode Batch ModeU) )

j .

Quarter"' Ouarter- Quarter Quarter a Nuclides Released . Unit 3 4 '3 4 -

l 1. Fission Gases ND )

KrYDton-85 Ci ND j l Krypton-85m Ci ND l Kryoton-87 Ci ND l Krvoton-88 Ci ND-

! Xenon-133- Ci ND H 1-Xenon-135 Ci ND  !

Xenon-135m Ci ND l

! Xenon-138 Ci ND  !

! I Xenon-131m Ci ND j Total for oeriod- Ci 0.00E+00 0.00E+00 f 2. Todines(2) l Iodine-131 Ci ND  ;

j. Iodine-133 Ci ND Iodine-135 Ci ND Total for oeriod Ci 0.00E+00 0.00E+00
3. Particulates(2)

Strontium-89 Ci ND __

Strontium-90 C1 1.09E-07 Cesium-134 Ci 3.45E-07 l Cesium-137 Ci 3.88E-06 i 8arium-Lanthar.um-140 Ci ND l

Manaanese-54 Ci 2.45E-06

! Chromium-51 Ci ND i Cobalt-58 Ci 5.79E-08 i Cobalt 60 Ci 8.20E ;. Cerium-141 Ci ND

Zinc-65 Ci 3.63E-06 Total for oeriod Ci 0.00E+00 1.87E-05 1

(1) There were no batch mode gaseous releases for this reporting period.

(2) Use of the North Warehouse stack as a-ground level release point was' initiated at the beginning of the fourth quarter of 1994.

(3) There were no ground level releases during the third quarter.

l ND - Not detected in the waste oil sample.

I umo i ._ . _ . ._ _

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TABLE ID Vermont Yanked Effluent and Waste Disposal Semiannual ReDort Third and Fourth Ou'arters 1994

' Gaseous Effluents - Nonroutine Releases There were no nonroutine or accidental gaseous releases during this reporting period.-

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TABLE 2A L

Vermont Yank'qg, I

! Effluent and Waste DisDosal Semiannual ReDort Third and Fourth Quarters 1994 Liauid Effluents - Summation of All Releases There were no liquid. releases during-this reporting' period.

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TABLE 2B Vermont ankee Effluent and Waste Disposal Semiannual ReDort Third and Fourth Quarters 1994 Liauid Effluents - Nonroutine Releases There i.ere no liquid releases during this reporting period.

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TABLE 3 Vermont Yankee Effluent and Waste DisDosal Semiannual ReDort Third and Fourth Quarters. 1994 ,

Solid Waste and Irradiated Fuel Shioments A. So'id Waste Shipped Off-Site-for Burial or Disposal (Not Irradiated Fuel):

Unit 6-Month Est. Total

1. Type of Waste Period Error.'%
a. Spent resins filter sludges, evaporator m' bottoms. etc. 'C1 i7.50E+01
b. Dry compressible waste, contaminated nf eauioment. etc. Ci i7.50E+01-
c. Irradiated components, control rods, m' etc. -Ci i7.50E+01
2. Estimate of Major Nuclide Composition (By Type of Waste): ,
a. Zinc-65  % b. Iron-f5  %

Cesium-137  % Zinc-65  %

Cobalt-60  % Cobalt-60  %  :

Cesium-134  % Manaanese-54 %

Manaanese-54 % Cesium-137  %  ;

3. Solid Waste Disposition: j Number of Shioments Mode of Transoortation Destination l I

"No solid waste was disposed during this period." j B. Irradiated Fuel Shipments (Disposition): None C. Supplemental information j

1) Class of solid waste containers shipped:
2) Types of containers used:
3) Solidification agent or absorbent: None 1 unso - - . . - - _ _ . - . .

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, TME SA VERMONT YANEEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 297.0 FT Wlho DATA STASILITY CLASS A CLASS FREQUENCY (PERCENT) = 44 WIND DIRECTION FROM SPEED (MPM) N NME NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW .VROL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -0 0 (1) .00 .00 .00 .00 .00 .00'

.00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00- .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 C3 1 0 0 0. 1 1 1 0 1 0 0 0 0 0- 0 1 0 6

, (1) 2.63 .00 .00 .00 2.63 2.63 2.63 .00 2.63 .00 .00 .00 .00 .00 .00' 2.63 .00 15.79 (2) .01 .00 .00 .00 .01 .01 .01 .00 .01 .00 .00 .00 .00 .00 .00 .01 .00 .07 4-7 1 0 0 0 0 0 4 2 0 0 0. 0- 0 0 0 0 0 .7 1

(1) 2.63 .00 .00 00 .00 .00 10.53 5.26 .00 .00 .00 .00 .00 .00 .00 .00 .00 18.42 (2) .01 .00 .00 .00 .00 .00 .05 .02 .00 .00 .00 .00 .00 .00 .00 .00 .00 .08 i 8 12 3 0 0 0 0 0 0 1 1 0 0 0 1 0 1 4 0 11

(1) 7.89 .00 .00 .00 .00 .00 .00.2.63 2.63 .00 .00 .00.2.63 .00 2.63 10.53 .00 28.95 j (2) .03 .00 .00 .00 .00 .00 - .00 .01 .01 .00 .00 .00 .01 .00 .01 .05 .00 .13 13-18 0 0 0 0 0 0 0 0 0 0 0 0 0 -1 1 9 0 11 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 2.63 2.63 23.68 .00 28.95 l (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .01 .10 .00 .13 l l

19-24 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0- 1 0 2 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 2.63 .00 .00 2.63 .00 5.26

(2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .00 .01 .00 .02 l GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 ,

(1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 2.63 .00 2.63 q (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .(41 .00 .00 .00 .00 .00 .01 .00 .01 4

ALL SPEEDS 5 0 0 0 1 1 5 3 2 0 0 0 2 1 2 16 0 38 (1) 13.16 .00 .00 .00 2.63 2.63 13.16 7.89 5.26 .00 .00 .00 5.26 2.63 5.26 42.11 .00 100.00 j (2) .06 .00 .00 .00 .01 .01 .06 .03 .02 .00 .00 .00 .02 .01 .02 .19 .00 44 I

(1)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PAGE (2)= PERCENT OF ALL 00m) OBSERVATIONS FOR THIS PERIG)

Cs CALM (W118 SPEED LESS THAN OR EQUAL 70 .95 MPM) 4 e

3 18-4

4 TABLE 5B l

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VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION -

297.0 FT WINO DATA STASILITY CLASS B CLASS FREQUENCY (PERCENT) = .86 t-

! WIND DIRECTION FROM l

SPEED (MPN) N NME NE ENE E ESE SE $$E ' S SSW SW WSW W WWW NW NNW VRSL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 l (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00

! C-3 1 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 4 l

(1) 1.35 .00 1,35 .00 .00 .00 1.35 1.35 .00 .00 .00 .00 .00 .00 .00 .00 .00 5.41 (2) .01 .00 .01 .00 .00 .00 .01 .01 .00 .00 .00 .00 .00 .00 .00 .00 .00 .05 o7 3 1 0 0 0 0 1 3 0 0 0 0- 0 0 1 1 0 10 (1) 4.05 1.35 .00 .00 .00 .00 1.35 4.05 .00 .00 .00 .00 .00 .00 1.35 1.35 .00 13.51 (2) .03 .01 .00 .00 .00 .00 .01 .03 .00 .00 .00 .00 .00 .00 .01 .01 .00 .12 ,

i 8-12 6 1 0 0 1 0 2 2 4 2 0 0 0 1 1 7 0 27 {

(1) 8.11 1.35 .00 .00 1.35 .00 2.70 2.70 5.41 2.70 .00 .00 .00 1.35 1.35 9.46 .00 36.49 (2) .07 .01 .00 .00 .01 .00 .02 .02 .05 .02 .00 .00 .00 .01 .01 .06 .00 .31 13 18 2 0 0 0 0 0 0 0 4 1 0 0 0 6 2 5 0 20 l (1) 2.70 .00 .00 .00 .00 .00 .00 .00 5.41 1.35 .00 .00 .00 8.11 2.70 6.76 .00 27.03 (2) .02 .00 .00 .00 .00 .00 .00 .00 .05 .01 .00 .00 .00 .07 .02 .06 .00 .23 19-24 1 0 0 0 0 0 0 0 0 0 0 0 0' 0 2 6 0 9 (1) 1.35 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 2.70 8.11 .00 12.16 (2) .01 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .02 .07 .00 .10 l

l GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 4 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 5.41 .00 5.41 -

(2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .05 .00 .05 ALL SPEEDS 13 2 1 0 1 0 4 6 8 3 0 0 0 7 6 23 0 74 (1) 17.57 2.70 1.35 .00 1.35 .00 5.41 8.11 10.81 4.05 .00 .00 .00 9.46 8.11 31.08 .00 100.00 (2) .15 .02 .01 .00 .01 .00 .05 .07 .09 .03 .00 .00 .00 .08 .07 .27 .00 .86 (1)= PERCENT OF ALL GOOD OSSERVATIONS FOR THIS PAGE (2)= PERCENT OF ALL 0000 CBSERVATIONS FOR THIS PER!OD Co CALM (WIND SPEED LESS THAN OR EQUAL TO .95 MPM)

s n' TABLE SC VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 297.0 FT WINO DATA STASILITY CLASS C CLASS FREQUENCY (PERCENT) = 2.92 WIND DIRECTION FROM SPEED (MPN) N NNE NE ENE E ESE SE $$E S $$V SW WSW W WWW W WW VR8L TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 I (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 )

(2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 C-3 0 1 0 2 1 2 0 1 1 0 0 0 0 0 0 1 0 9 (1) .00 .40 .00 .79 .40 .79 .00 .40 .40 .00

.00 .00 .00 .00 .00 .40 .00 3.57 ..

(2) .00 .01 .00 .02 .01 .02 .00 .01 .01 .00 .00 .00 .00 .00 .00 .01 .00 .10 47 9 (1) 5 1.98 1.19 3 1 40 0

.00 0 5 4

.00 1.98 3.57 1.59 1.59 4

.79 2

.00 0 1

.40 .00 0

.00 0

.40 3.97 1 10 0

.00 45 17.86 * (-

(2) .06 .03 .01 .00 .00 .06 .10 .05 .05 .02 .00 .01 .00 .00 .01 .12 .00 .52 8-12 18 1 3 0 1 2 8 12 18 4 0 3 3 1 1 14 0 89 (1) 7.14 .40 1.19 .00 .40 .79 3.17 4.76 7.14 1.59 .00 1.19 1.19 .40 .40 5.56 .00 35.32 (2) .21 .01 .03 .00 .01 .02 .09 .14 .21 .05 .00 .03 .03 .01 .01 .16 .00 1.03 13-18 16 0 0 0 0 0 1 0 8 3 0 2 5 6 10 17 0 68 (1) 6.35 .00 .00 .00 .00 .00 .40 .00 3.17 1.19 .00 .79 1.98 2.38 3.97 6.75 .00 26.98 (2) .19 .00 .00 .00 .00 .00 .01 .00 .09 .03 .00 .02 .06 .07 .12 .20 .00 .79 19-24 6 0 0 0 0 0 0 0 4 0 0 0 1 1 9 12 0 33 (1) 2.38 .00 .00 .00 .00 .00 .00 .00 1.59 .00 .00 .00 .40 .40 3.57 4.76 .00 13.10 (2) .07 .00 .00 .00 .00 .00 .00 .00 .0$ .00 .00 .00 .01 .01 .10 .14 .00 .38 GT 24 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 0 8 (1) 40 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .79 1.96 .00 3.17 (2) .01 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .02 .06 .00 .09 ALL SPEEDS 46 5 4 2 2 9 18 17 35 9 0 6 9 8 23 59 0 252 (1) 18.25 1.96 1.59 .79 .79 3.57 7.14 6.75 13.89 3.57 .00 2.38 3.57 3.17 9.13 23.41 .00 100.00 (2) .53 06 .05 .02 .02 .10 .21 .20 .41 .10 .00 .07 .10 .09 ,27 .68 .00 2.92 .

(1)sPERCENT OF ALL G000 OBSERVATIONS FOR THIS PAGE (2)= PERCENT OF ALL GOOD OBSERVATIONS FOR TNIS PERIOD C= CALM (WIND SPEED LESS THAN OR EQUAL To .95 MPN)

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TABLE 5D VERMONT YANKEE JAN 94 DEC 94 METEOROLOGICAL DATA JolNT FREQUENCf DISTRIBUTION 297.0 FT WIND DATA STABILITY CLASS D CLASS FREQUENCY (PERCENT) = 46.59 WIND DIRECTION FROM SPEED (MPN) N NME WE ENE E ESE SE SSE S $$W SW WSW W WWW NW WNW VRSL TOTAL CALM 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 (1) .00 .02 .00 .00 .00 .00 .00 .00 .00 .00 .02 .00 .00 .00 .00 .00 .00 .05 (2) .00 .01 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .00 .00 .00 .00 .00 .02 C-3 42 46 37 34 29 44 67 35 35 21 9 6 10 8 21 32 0 476 (1) 1.04 1.14 .92 .84 .72 1.09 1.67 .87 .87 .52 .22 .15 .25 .20 .52 .80 .00 11.83 (2) 49 .53 .43 .39 .34 .51 .78 .41 .41 .24 .10 .07 .12 .09 .24 .37 .00 5.51 4-7 105 29 24 18 32 43 122 124 102 42 15 10 15 16 34 99 0 830 (1) 2.61 .72 .60 .45 .80 1.07 3.03 3.08 2.53 1.04 .37 .25 .37 .40 .84 2.46 .00 20.63 (2) 1.22 .34 .28 .21 .37 .50 1.41 1.44 1.18 .49 .17 .12 .17 .19 .39 1.15 .00 9.61 0 12 220 56 9 3 19 13 86 78 212 100 31 28 38 106 72 198 0 1269 (1) 5.47 1.39 .22 .07 .47 .32 2.14 1.94 5.27 2.49 .77 .70 .94 2.63 1.79 4.92 .00 31.54 (2) 2.55 .65 .10 .03 .22 .15 1.00 .90 2.45 1.16 .36 .32 .44 1.23 .83 2.29 .00 14.69 13 18 194 25 2 0 1 5 8 to 131 76 17 17 36 1 72 119 148 0 %1 (1) 4.82 .62 .05 .00 .02 .12 .20 .25 3.26 1.89 .42 .42 .89 4.27 2.% 3.68 .00 23.88 (2) 2.25 .29 .02 .00 .01 .06 .09 .12 1.52 .88 .20 .20 .42 1.99 1.38 1.71 .00 11.13 19-24 78 3 0 0 0 1 0 1 19 13 5 5 13 77 65 120 0 400 (1) 1.94 .07 .00 .00 .00 .02 .00 .02 .47 .32 .12 .12 .32 1.91 1.62 2.96 .00 9.94 (2) .90 .03 .00 .00 .00 .01 .00 .01 .22 .15 .06 .06 .15 .89 .75 1.39 .00 4.63 GT 24 14 0 0 0 0 0 0 1 1 0 1 0 0 11 21 37 0 86 (1) .35 .00 .00 .00 .00 .00 .00 .02 .02 .00 .02 .00 .00 .27 .52 .92 .00 2.14 (2) .16 .00 .00 .00 .00 .00 .00 .01 .01 .00 .01 .00 .00 .13 .24 .43 .00 1.00 ALL SPEEDS 653 160 72 55 81 106 283 249 500 252 79 66 112 390 332 634 0 4024 (1) 16.23 3.98 1.79 1.37 2.01 2.63 7.03 6.19 12.43 6.26 1.% 1.64 2.78 9.69 8.25 15.76 .00 100.00 (2) 7.56 1.85 .83 .64 .94 1.23 3.28 2.88 5.79 2.92 .91 .76 1.30 4.52 3.84 7.34 .00 46.59 (1)@ERCENT SF ALL GOOD OBSERVATIONS FOR THl3 PAGE (2)* PERCENT 07 ALL GOCD OBSERVATIONS FOR THIS PERIOD Cs CALM (WIND SPEED LESS THAN OR EQUAL To .95 MPH)

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TA.BLE SE VERMONT YANKEE JAN 94 - DEC 94 MTEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 297.0 FT WIND DATA STASILITY CLASS E CLASS FREQUENCY (PERCENT) = 32.93 WINO DIRECTION FROM SPEED (NPH) N NNE NE ENE E ESE SE SSE 5 SSW SW WSW W WNW NW NNW VRBL TOTAL CALN 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 (1) .00 .00 .04 .00 .00 .04 .00 .00 .00 .00 .00 .00 .00 .00 .2 .00 .00 .07 (2) .00 .00 .01 .00 .00 .01 .00 .00 .00 .00 .00 .00 .00 .00 .(0 .00 .00 .02 C3 73 52 51 47 62 63 97 67 43 13 17 12 14 17 20 48 0 696 (1) 2.57 1.83 1.79 1.65 2.18 2.22 3.41 2.36 1.51 .46 .60 .42 .49 .60 .Tr 1.69 .00 24.47 (2) .85 .60 .59 .54 .72 .73 1.12 .78 .50 .15 .20 .14 .16 .20 .23 .56 .00 8.06 4-7 209 34 10 13 14 20 140 143 103 28 19 16 20 26 42 168 0 1005 (1) 7.35 1.20 .35 46 .49 .70 4.92 5.03 3.62 .96 .67 .56 .70 .91 1.48 5.91 .00 35.34 (2) 2.42 .39 .12 .15 .16 .23 1.62 1.66 1.19 .32 .22 .19 .23 .30 .49 1.95 .00 11.64 8-12 128 7 1 0 4 3 23 64 87 29 13 14 30 74 51 194 0 702 (1) 4.50 .25 .04 .00 .14 .11 .81 1.55 3.06 1.02 .46 .49 1.05 2.60 1.79 6.82 .00 24.68 (2) 1.48 .08 .01 .00 .05 .03 .27 .51 1.01 .34 .15 .16 .35 .86 .59 2.25 .00 8.13 13 18 68 7 0 0 0 1 6 7 32 23 7 1 13 66 44 84 0 359 (1) 2.39 .25 .00 .00 .00 .04 .21 .25 1.13 .81 .25 .04 46 2.32 1.55 2.95 .00 12.62 (2) .79 .08 .00 .00 .00 .01 .07 .08 .37 .27 .08 .01 .15 .76 .5 .' .97 .00 4.16 19-24 16 0 0 0 0 0 0 1 11 2 0 1 3 12 2 28 0 76 (1) .56 .00 .00 .00 .00 .00 .00 .04 .39 .07 .00 .04 .11 .42 .07 .96 .00 2.67 (2) .19 .00 .00 .00 .00 .00 .00 .01 .13 .02 .00 .01 .03 .14 .02 .32 .00 .88 GT 24 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 4 (1) .04 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .04 .04 .04 .00 .14 (2) .01 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .01 .01 .00 .05 ALL SPEEDS 495 100 63 60 80 88 266 262 276 95 56 44 80 196 160 523 0 2844 (1) 17.41 3.52 2.22 2.11 2.81 3.09 9.35 9.21 9.70 3.34 1.97 1.55 2.81 6.89 5.63 18.39 .00 100.00 (2) 5.73 1.16 .73 .69 .93 1.02 3.08 3.03 3.20 1.10 .65 .51 .93 2.27 1.85 6.06 .00 32.93 (1)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PAGE (2)* PERCENT OF ALL 0000 08SERVATIONS FOR THIS PERICO C= CALM (WIND SPEED LESS THAN OR EQUAL TO .95 MPH) r

TABLE 5F VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JolNT FREQUENCY DISTRIBUTION 297.0 FT WIND DATA STASILITY CLASS F CLASS FREQUENCY (PERCENT) = 13.13 WIND DIRECTION FROM SPEED (MPH) N NME NE ENE E ESE SE SSE $ SSW SW WSW W WWW WW NMW VROL TOTAL CALM 0 0 1 0 0 0 2 0 0 0 0 0 0 0 0 0 0 3 (1) .00 .00 .09 .00 .00 .00 .18 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .26 (2) .00 .00 .01 .00 .00 .00 .02 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .03 C-3 52 35 35 31 23 38 38 25 23 19 12 6 11 15 15 22 . 0 400 (1) 4.59 3.09 3.09 2.73 2.03 3.35 3.35 2.20 2.03 1.68 1.06 .53 .97 1.32 1.32 1.94 .00 35.27 (2) .60 .41 .41 .36 .27 44 .44 .29 .27 .22 .14 .07 .13 .17 .17 .25 .00 4.63 47 83 34 6 5 18 13 49 67 30 14 16 10 22 19 27 87 0 500 (1) 7.32 3.00 .53 .44 1.59 1.15 4.32 5.91 2.65 1.23 1.41 .88 1.94 1.68 2.38 7.67 .00 44.09 (2) .% .39 .07 .06 .21 .15 .57 .78 .35 .16 .19 .12 .25 .22 .31 1.01 .00 5.79 8 12 38 1 0 0 0 1 17 8 13 11 5 4 13 30 to 59 0 210 (1) 3.35 .09 .00 .00 .00 .09 1.50 .71 1.15 .97 .44 .35 1.15 2.65 .88 5.20 .00 18.52 (2) .44 .01 .00 .00 .00 .01 .20 .09 .15 .13 .06 .05 .15 .35 .12 .68 .00 2.43 13 18 4 1 0 0 0 0 0 0 0 1 0 2 4 4 4 1 0 21 (1) .35 .09 .00 .00 .00 .00 .00 .00 .00 .09 .09 .00 .18 .35 .35 .35 .00 1.85 (2) .05 .01 .00 .00 .00 .00 .00 .00 .00 .01 .01 .00 .02 .05 .05 .05 .00 .24 19 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ALL SPEEDS 177 71 42 36 41 52 106 100 66 45 34 20 48 68 56 172 0 1134 (1) 15.61 6.26 3.70 3.17 3.62 4.59 9.35 8.82 5.82 3.97 3.00 1.76 4.23 6.00 4.94 15.17 (2) 2.05 .82 .49 .42 .47 .60 1.23 1.16 .76 .52 .39 .23 .56 .79 .65 1.99 .00 100.00

.00 13.13 (1)sPERCENT OF ALL C000 OBSERVATIONS FOR THIS PAGE (2) PERCENT OF ALL GOOD 08SERVATIONS FOR THl3 PERIOD C= CALM (WIND SPEED 1.ESS THAN OR EQUAL To .95 MPH)

TABLE SG VERHONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 297.0 FT WIND DATA STABILITY CLASS 0 CLASS FREQUENCY (PERCENT) = 3.14 WIND DIRECTION FROM m

SPEED (MPH) N NNE NE ENE E ESE SE $$E S SSW SW WSW W WNW NW NNW VRBL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 C-3 7 2 8 5 5 4 12 2 7 3 2 2 2 3 5 9 0 78 (1) 2.58 .74 2.95 1.85 1.85 1.48 4.43 .74 2.58 1.11 .74 .74 .74 1.11 1.85 3.32 .00 28.78 -

(2) .08 .02 .09 .06 .06 .05 .14 .02 .08 .03 .02 .02 .02 .03 06 .10 .00 .90 4-7 11 1 1 3 3 2 9 16 9 6 7 6 5 7 11 20 0 117 (1) 4.06 .37 .37 1.11 1.11 .74 3.32 5.90 3.32 2.21 2.58 2.21 1.85 2.58 4.06 7.38 .00 43.17 =

(2) .13 .01 .01 .03 .03 .02 .10 .19 .10 .07 .08 .07 .06 .08 .13 .23 .00 1.35 8-12 4 0 0 0 0 0 4 2 2 11 4 5 9 7 9 15 0 72 (1) 1.48 .00 .00 .00 .00 .00 1.48 .74 .74 4.06 1.48 1.85 3.32 2.58 3.32 5.54 .00 26.57 (2) .05 .00 .00 .00 .00 .00 .05 .02 .02 .13 .05 .06 .10 .08 .10 .17 .00 .83 13 18 0 0 0 0 0 0 0 0 0 1 0 1 0 2 0 0 0 4 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .37 .00 .37 .00 .74 .00 .00 .00 1.48 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .01 .00 .02 .00 .00 .00 .05 19-24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ALL SPEEDS 22 3 9 8 8 6 25 20 18 21 13 14 16 19 25 44 0 271 (1) 8.12 1.11 3.32 2.95 2.95 2.21 9.23 7.38 6.64 7.75 4.80 5.17 5.90 7.01 9.23 16.24 .00 100.00 (2) .25 .03 .10 .09 .09 .07 .29 .23 .21 .24 .15 .16 .19 .22 .29 .51 .00 3.14 (1)= PERCENT OF ALL Com) OBSERVATIONS FOR THIS PAGE (2)sPERCENT OF ALL GOOD 08 SERVAT!0NS FOR THIS PERIOD Ce CALM (WINO SPEED LESS THAN OR EQUAL To .95 MPH) 24-

VERMONT YANKEE JA4 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 297.0 FT WINO DATA STABILITY CLAS$ ALL CLASS FREQUENCY (PERCENT) = 100.00 WINO DIRECTION FROM

$ PEED (MPN) N NNE NE ENE E ESE SE SSE S SSW SW WSW W WWW NW NWW VRBL TOTAL CALM 0 1 2 0 0 1 2 0 0 0 1 0 0 0 0 0 0 7 (1) .00 .01 .02 .00 .00 .01 .02 .00 .00 .00 .01 .00 .00 .00 .00 .00 .00 .08 (2) .00 .01 .02 .00 .00 .01 .02 .00 .00 .00 .01 .00 .00 .00 .00 .00 .00 .08 C-3 176 136 132 119 121 152 216 131 110 56 40 26 37 43 61 113 0 1669 (1) 2.04 1.57 1.53 1.38 1.40 1.76 2.50 1.52 1.27 .65 .46 .30 .43 .50 .71 1.31 .00 19.32 (2) 2.04 1.57 1.53 1.38 1.40 1.76 2.50 1.52 1.27 .65 .46 .30 .43 .50 .71 1.31 .00 19.32 47 417 102 42 39 67 83 334 359 248 92 57 43 62 68 116 385 0 2514 (1) 4.83 1.15 .49 .45 .78 .96 3.87 4.16 2.87 1.07 .66 .50 .72 .79 1.34 4.46 .00 29.11 (2) 4.83 1.18 .49 .45 .78 .96 3.87 4.16 2.87 1.07 .66 .50 .72 .79 1.34 4.46 .00 29.11 8-12 417 66 13 3 25 19 140 147 337 157 53 54 94 219 145 491 0 2380 (1) 4.83 .76 .15 .03 .29 .22 1.62 1.70 3.90 1.82 .61 .63 1.09 2.54 1.68 5.68 .00 27.56 (2) 4.83 .76 .15 .03 .29 .22 1.62 1.70 3.90 1.82 .61 .63 1.09 2.54 1.68 5.68 .00 27.56 13-18 284 33 2 0 1 6 15 17 1 75 1 05 25 21 56 25 7 180 267 0 1644 (1) 3.29 .38 .02 .00 .01 .07 .17 .20 2.03 1.22 .29 .24 .65 2.98 2.08 3.09 .00 16.72 (2) 3.29 .38 .02 .00 .01 .07 .17 .20 2.03 1.22 .29 .24 .65 2.98 2.08 3.09 .00 16.72 19-24 101 3 0 0 0 1 0 2 34 15 5 6 18 90 78 167 0 $20 (1) 1.17 .03 .00 .00 .00 .01 .00 .02 .39 .17 .06 .07 .21 1.04 .90 1.93 .00 6.02 (2) 1.17 .03 .00 .00 .00 .01 .00 .02 .39 .17 .06 .07 .21 1.04 .90 1.93 .00 6.02 GT 24 16 0 0 0 0 0 0 1 1 0 1 0 0 12 24 48 0 103 (1) .19 .00 00 .00 .00 .00 .00 .01 .01 .00 .01 .00 .00 .14 .28 .56 .00 1.19 (2) .19 .00 .00 .00 .00 .00 .00 .01 .01 .00 .01 .00 .00 .14 .28 .56 .00 1.19 ALL $PEEDS 1411 341 191 161 214 262 707 657 905 425 182 150 267 689 604 1471 0 8637 (1) 16.34 3.95 2.21 1.86 2.48 3.03 8.19 7.61 10.48 4.92 2.11 1.74 3.09 7.98 6.99 17.03 .00 100.00 (2) 16.34 3.95 2.21 1.86 2.48 3.03 8.19 7.61 10.48 4.92 2.11 1.74 3.09 7.98 6.99 17.03 .00 100.00 (1)= PERCENT OF ALL GO@ OBSERVATIONS FOR THIS PAGE (2)oPERCENT OF ALL GOOD OBSERVATIONS FOR TNis PERIOD Co CALM (Wlr'Je CPEED LESS THAN OR EQUAL TO .95 MPM)

TABLE 6A VERMONT YAKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 35.0 FT WINO DATA STASILITY CLASS A CLASS FREQUENCY (PERCENT) = 1.22 WIND DIRECTION FROM

=

SPEED (MPH) N NNE NE ENE E ESE SE SSE S $$W SW WSW W WWW NW NNW VR3L TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 C-3 0 2 2 0 0 0 1 0 1 0 0 0 0 0 0 0 0 6 (1) .00 1.92 1.92 .00 .00 .00 .96 .00 .M .00 .00 .00 .00 .00 .00 .00 .00 5.77 (2) .00 .02 .02 .00 .00 .00 .01 .00 .01 .00 .00 .00 .00 .00 .00 .00 .00 .0/

47 8 3 2 0 0 2 2 2 1 0 0 0 0 0 0 14 0 34 (1) 7.69 2.88 1.92 .00 .00 1.92 1.92 1.92 .96 .00 .00 .00 .00 .00 .00 13.46 .00 32.69 (2) .09 .04 .02 .00 .00 .02 .02 .02 .01 .00 .00 .00 .00 .00 .00 .16 .00 .40 8-12 11 1 0 0 0 1 0 3 0 1 0 1 6 4 5 21 0 54 (1) 10.58 .M .00 .00 .00 .% .00 2.88 .00 .96 .00 .96 5.77 3.85 4.81 20.19 .00 51.92 (2) .13 .01 .00 .00 .00 .01 .00 .04 .00 .01 .00 .01 .07 .05 .06 .25 .00 .63 13 18 3 0 0 0 0 0 0 0 0 0 0 0 1 0 2 4 0 10 (1) 2.88 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .% .00 1.92 3.85 .00 9.62 (2) .04 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .02 .05 .00 .12 19-24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ALL SPEEDS 22 6 4 0 0 3 3 5 2 1 0 1 7 4 7 39 0 104 (1) 21.15 5.77 3.85 .00 .00 2.88 2.88 4.81 1.92 .% .00 .% 6.73 3.85 6.73 37.50 .00 100.00 (2) .26 .07 .05 .00 .00 .04 .04 .06 .02 .01 .00 .01 .08 .05 .08 .46 . 00 ' 1.22 (1)= PERCENT OF ALL GOCD OBSERVATIONS FOR THIS PAGE (2)= PERCENT OF ALL 00C0 OGSERVATIONS FOR THl3 PERIOD C= CALM (WIND SPEED LESS THAN OR EQUAL TO .95 MPH)

TABLE 6B VERMONT YANGE JAN 94 DEC 94 METEOROLOGICAL DATA JolNT FREQUENCY DISTRIBUTION 35.0 FT WIND DATA STASILITY CLASS 8 CLASS FREQUENCY (PERCENT) = 1.20 WINO DIRECTION FROM SPEE0(MPM) N WNE NE ENE E ESE SE $$E S SSW SW WSW W WNW NW NNW VRSL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 C-3 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 2 (1) .00 .00 .00 1.% .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1.96 (2) .00 .00 .00 .02 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .02 47 7 1 1 0 2 2 3 7 1 0 1 0 0 0 2 13 0 40 (1) 6.86 .98 .98 .00 1.M 1.96 2.94 6.86 .98 .00 .98 .00 .00 .00 1.% 12.75 .00 39.22 (2) .08 .01 .01 .00 .02 .02 .04 .08 .01 .00 .01 .00 .00 .00 .02 .15 .00 .47 8 12 6 0 0 0 0 0 0 3 5 2 1 0 4 2 6 17 0 46 (1) 5.88 .00 .00 .00 .00 .00 .00 2.94 4.90 1.% .98 .00 3.92 1.96 5.88 16.67 .00 45.10 (2) .07 .00 .00 .00 .00 .00 .00 .04 .06 .02 .01 .00 .05 .02 .07 .20 .00 .54 13-18 2 0 0 0 0 0 0 0 2 0 0 0 2 3 2 3 0 14 (1) 1.96 .00 .00 .00 .00 .00 .00 .00 1.% .00 .00 .00 1.% 2.94 1.96 2.94 .00 13.73 (2) .02 .00 .00 .00 .00 .00 .00 .00 .02 .00 .00 .00 .02 .04 .02 .04 .00 .16 19-24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ALL SPEEDS 15 1 1 2 2 2 3 10 8 2 2 0 6 5 10 33 0 102 (1) 14.71 .98 .98 1.96 1.% 1.% 2.94 9.80 7.84 1.% 1.% .00 $.88 4.90 9.80 32.35 .00 100.00 (2) .18 .01 .01 .02 .02 .02 .04 .12 .09 .02 .02 .00 .07 .06 .12 .39 .00 1.20 (1)oPERCENT OF ALL GOOD OSSERVATIONS FOR THIS PAGE (2)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PERIG)

Cm CALM (WIND SPEE3 LESS THAN OR EQUAL TO .95 MPH)

TABLE 6C VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA J0lWT FREQUENCY O!STRIBUTION 35.0 FT WINO DATA STABILITY CLASS C CLASS FREQUENCY (PEI: CENT) = 2.90 WINO DIRECTION FROM SPEED (MPH) N NNE NE ENE E ESE SE SSE S SSW SW VSW W WWW WW NNW VRSL T01AL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 C3 0 0 2 2 0 1 1 0 0 1 0 0 0 0 0 0 0 7 (1) .00 .00 .81 .81 .00 .40 .40 .00 .00 .40 .00 .00 .00 .00 .00 .00 .00 2.83 (2) .00 .00 .02 .02 .00 .01 .C1 .00 .00 .01 .00 .00 .00 .00 .00 .00 .00 .08 4-7 21 2 2 4 2 8 8 13 6 1 2 3 4 0 8 35 0 119 (1) 8.50 .81 .81 1.62 .81 3.24 3.24 5.26 2.43 .40 .81 1.21 1.62 .00 3.24 14.17 .00 40.18 (2) .25 .02 .02 .05 .02 .09 .09 .15 .07 .01 .02 .04 .05 .00 .09 .41 .00 1.40 8-12 21 1 0 1 1 0 0 4 16 2 1 0 8 6 12 22 0 95 (1) 8.50 .40 .00 .40 .40 .00 .00 1.62 6.48 .81 .40 .00 3.24 2.43 4.86 8.91 .00 38.46 (2) .25 .01 .00 .01 .01 .00 .00 .05 .19 .02 .01 .00 .09 .07 .14 .26 .00 1.12 13 18 5 0 0 0 0 0 0 0 1 0 0 1 2 7 4 3 0 23 (1) 2.02 .00 .00 .00 .00 .00 .00 .00 .40 .00 .00 .40 .81 2.83 1.62 1,21 .00 9.31 (2) .06 ,00 .00 .00 .00 .00 .00 .00 .01 .00 .00 .01 .02 .08 .05 .04 .00 .27 19-24 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 3 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .40 .00 .81 .00 .00 1.21 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .02 .00 .00 .04 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00

! ALL SPEEDS 47 3 4 7 3 9 9 17 23 4 3 4 15 13 26 60 0 247 (1) 19.03 1.21 1.62 2.83 1.21 3.64 3.64 6.88 9.31 1.62 1.21 1.62 6.07 5.26 10.53 24.29 .00 100.00 (2) .55 .04 .05 .08 .04 .11 .11 .20 .27 .05 .04 .05 .18 .15 .31 .70 .00 2.90 (1)* PERCENT OF ALL GOOD 08SERVAfl0NS FOR THIS PAGE (2)rPERCENT OF ALL GOOD 08SERVATIONS FOR THIS PERIOD Cs CALM (WIND SPEED LESS THAN OR EQUAL 70 .95 MPM)

TABLE 6D VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JolNT FREQUENCY DISTRIBUTION 35.0 FT WIND DATA STASILITY CLASS D CLASS FREQUENCY (PERCENT) = 42.98 WINO DIRECTION FROM SPEED (MPN) N NME NE ENE E ESE SE $$E 5 $$W SV WSW W WWW NW NWW VRSL TOTAL mm 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 (1) .00 .00 .00 .00 .03 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .03 (2) .00 .00 .00 .00 .01 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 C3 69 49 51 53 51 44 46 56 43 34 43 28 28 34 50 81 0 760 (1) 1.89 1.34 1.39 1.45 1.39 1.20 1.26 1.53 1.18 .93 1.18 .77 .77 .93 1.37 2.21 .00 20.78 (2) .81 .58 .60 .62 .60 .52 .54 .66 .51 .40 .51 .33 .33 40 .59 .95 .00 8.93 47 206 61 28 50 83 107 94 159 150 44 29 30 48 55 105 289 0 1538 (1) 5.63 1.67 .77 1.37 2.27 2.93 2.57 4.35 4.10 1.20 .79 .82 1.31 1.50 2.87 7.90 .00 42.04 (2) 2.42 .72 .33 .59 .98 1.26 1.10 1.87 1.76 .52 .34 .35 .56 .65 1.23 3.40 .00 18.07 8 12 200 39 4 2 21 24 2 33 184 31 29 15 70 153 116 154 0 1077 (1) 5.47 1.07 .11 .05 .57 .66 .05 .90 5.03 .85 .79 .41 1.91 4.18 3.17 4.21 .00 29.44 (2) 2.35 .46 .05 .02 .25 .28 .02 .39 2.16 .36 .34 .18 .82 1.80 1.36 1.81 .00 12.65 13-18 33 2 0 0 0 0 0 1 25 4 3 1 16 66 88 30 0 269 (1) .90 .05 .00 .00 .00 .00 .00 .03 .68 .11 .08 .03 .44 1.80 2.41 .82 .00 7.35 (2) .39 .02 .00 .00 .00 .00 .00 .01 .29 .05 .04 .01 .19 .7F 1.03 .35 .00 3.16 19-24 0 0 0 0 0 0 0 0 0 0 0 0 0 4 9 0 0 13 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .11 .25 .00 .00 .36 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .05 .11 .00 .00 .15 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ALL SPEEDS 508 151 83 105 156 1 75 142 249 402 113 104 74 162 312 368 554 0 3658 (1) 13.89 4.13 2.27 2.87 4.26 4.78 3.88 6.81 10.99 3.09 2.84 2.02 4.43 8.53 10.06 15.14 .00 100.00 (2) 5.97 1.77 .98 1.23 1.83 2.06 1.67 2.93 4.72 1.33 1.22 .87 1.90 3.67 4.32 6.51 .00 42.98 (1)=vfRCENT OF ALL Gom) OBSERVATIONS FOR THIS PAGE (2)mPERCENT OF ALL GOOD 08SERVAfl0NS FOR THIS PERl00 Ce CALM (WIND SPEED LESS THAN OR EQUAL TO .95 MPN)

TABLE 6E VERMONT YANKEE JAN 94 DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 35.0 FT WIND DATA STA81LITY CLASS E CLASS FREQUENCY (PERCENT) = 32.06 WIND O!RECTION FROM SPEED (MPM) N NME WE ENE E ESE SE $$E S SSW SW WSW W WWW NW NNW VRBL TOTAL CALM 1 0 0 0 0 1 1 1 1 0 0 0 2 1 2 0 0 10 (1) .04 .00 .00 .00 .00 .04 .04 .04 .04 .00 .00 .00 .07 .04 .07 .00 .00 .37 (2) .01. .00 .00 .00 .00 .01 .01 .01 .01 .00 .00 .00 .02 .01 .02 .00 .00 .12 C-3 91 43 34 25 40 45 48 70 101 118 177 123 122 138 153 162 0 1490 (1) 3.33 1.58 1.25 .92 1.47 1.65 1.76 2.57 3.70 4.32 6.49 4.51 4.47 5.06 5.61 5.94 .00 54.60 (2) 1.07 .51 .40 .29 .47 .53 .56 .82 1.19 1.39 2.08 1.45 1.43 1.62 1.80 1.90 .00 17.51 4-7 72 13 6 13 20 25 27 85 74 38 34 33 72 61 144 192 0 909 (1) 2.64 .48 .22 .48 .73 .92 .99 3.11 2.71 1.39 1.25 1.21 2.64 2.24 5.28 7.04 .00 33.31 (2) .85 .15 .07 .15 .23 .29 .32 1.00 .87 .45 .40 .39 .85 .72 1.69 2.26 .00 10.68 8-12 27 2 1 1 11 2 1 10 51 15 5 2 25 56 51 32 0 292 (1) .99 .07 .04 .04 40 .07 .04 .37 1.87 .55 .18 .07 .92 2.05 1.87 1.17 .00 10.70 (2) .32 .02 .01 .01 .13 .02 .01 .12 .60 .18 .06 .02 .29 .66 .60 .38 - .00 3.43 13 18 5 0 0 0 0 0 0 0 5 1 1 3 1 3 7 2 0 28 (1) .18 .00 .00 .00 .00 .00 .00 .00 .18 .04 .04 .11 .04 .11 .26 .07 .00 1.03 (2) .06 .00 .00 .00 .00 .00 .00 .00 .06 .01 .01 .04 .01 .04 .08 .02 .00 .33 19-24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ALL SPEEDS 196 58 41 39 71 73 77 166 232 172 217 161 222 259 357 388 0 2729 (1) 7.18 2.13 1.50 1.43 2.60 2.67 2.82 6.08 8.50 6.30 7.95 5.90 8.13 9.49 13.08 14.22 .00 100.00 (2) 2.30 .68 48 .46 .83 .86 .90 1.95 2. 73 2.02 2.55 1.89 2.61 3.04 4.19 4.56 .00 32.06 (1)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PAGE (2) dERCENT OF ALL GOOD OBSERVATIONS FOR THIS PERIOD Ce CALM (WIND SPEED LESS THAN OR EQLuL 70 .95 MPH)

-_ _ _ _ - _______ - ~

(

h TABLE 6F ,

VERMONT YANKEE JAN 94 DEC 94 METEOROLOGICAL DATA JolNT FREQUENCY 0!$TRIBUT10N 35.0 FT WINO DATA STA81LITT CLASS F CLASS FREQUENCY (PERCENT) = 14.52 WIND DIRECil0N FROM SPEED (MPM) N NME NE kNE E ESE SE $$E S SSW SW WSW W WWW NW NNW VRBL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 C 0 1 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .08 .00 .00 .00 .C0 .00 .08 .

(2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .00 .00 .00 .00 .01 C-3 42 16 21 to 17 18 28 30 43 94 194 176 118 116 82 70 0 1079 (1) 3.40 1.29 1.70 1.13 1.38 1.46 2.27 2.43 3.48 7.61 15.70 14.24 9.55 9.39 6.63 5.66 .00 87.30 (2) .49 .19 .25 .16 .20 .21 .33 .35 .51 1.10 2.28 2.07 1.39 1.36 .% .82 .00 12.68 T-67 5 1 0 0 1 2 1 5 12 13 25 to 17 16 22 21 0 151 i (1) .40 .08 .00 .00 .08 .16 .08 .40 .97 1.05 2.02 .81 1.38 1.29 1.78 1.70 .00 12.22 l (2) .06 .01 .00 .00 .01 .02 .01 .06 .14 .15 .29 .12 .20 .19 .26 .25 .00 1.77 g (

8-12 0 0 0 0 0 0 0 0 0 0 1 0 0 3 0 1 0 5 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .08 .00 .00 .24 .00 .08 .00 40 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .00 .04 .00 .01 .00 .06 13 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 19 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ALL SPEEDS 47 17 21 14 18 20 29 35 55 107 220 187 135 135 104 92 0 1236 (1) 3.80 1.38 1.70 1.13 1.46 1.62 2.35 2.83 4.45 8.66 17.80 15.13 10.92 10.92 8.41 7.44 .00 100.00 (2) .55 .20 .25 .16 .21 .23 .34 41 .65 1.26 2.58 2.20 1.59 1.59 1.22 1.08 .00 14.52 (1)oPERCENT OF ALL GOOD OBSERVATIONS FOR THIS PAGE (2)oPERCENT OF ALL GOOD OBSERVATIONS FOR THIS PERICD C= CALM (WIND SPEED LESS THAN OR EQUAL TO .95 MPH)

TABLE 6G VERMONT YANKEE JAN 94 DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 35.0 FT WINO DATA STASILITY CLASS G CLASS FREQUENCY (PERCENT) = 5.11 WINO DIRECTION FROM SPEED (MPN) N NNE WE ENE E ESE SE SSE S SSW SV WSW W WWV WW NNW VRSL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 C3 18 15 8 13 7 13 9 22 22 37 57 33 33 22 29 32 0 370 (1) 4.14 3.45 1.84 2.99 1.61 2.99 2.07 5.06 5.06 8.51 13.10 7.59 7.59 5.06 6.67 7.36 .00 85.06 (2) .21 .18 .09 .15 .08 .15 .11 .26 .26 .43 .67 .39 .39 .26 .34 .38 .00 4.35 47 1 0 0 0 0 0 0 4 1 9 22 8 3 5 5 7 0 65 (1) .23 .00 .00 .00 .00 .00 .00 .92 .23 2.07 5.06 1.84 .69 1.15 1.15 1.61 .00 14.94 (2) .01 .00 .00 .00 .00 .00 .00 .05 .01 .11 .26 .09 .04 .06 .06 .08 .00 .76 8 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 13-18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 19 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ALL SPEEDS 19 15 8 13 7 13 9 26 23 46 79 41 36 27 34 39 0 435 (1) 4.37 3.45 1.84 2.99 1.61 2.99 2.07 5.98 5.29 10.57 18.16 9.43 8.28 6.21 7.82 8.97 .00 100.00 (2) .22 .18 .09 .15 .08 .15 .11 .31 .27 .54 .93 48 .42 .32 .40 .46 .00 5.11 (1)ePERCENT OF ALL GOOD OBSERVATIONS FOR THIS PAGE /

(2)* PERCENT OF ALL GOOD 08 SERVAT 10NS FOR THIS PERIOD Cs CALM (WIND SPEED LESS THAM OR EQUAL To .95 MPH)

. TABLE 6H VERMONT YANKEE JAN 94 - DEC 94 METEOR 0 LOGICAL DATA JOINT FREGUENCY DISTRIBUTION-

'35.0 FT WIS DATA STABILITY CLASS ALL CLASS FREGUENCY (PERCENT) = 100.00 WIN DIRECT 10N FRGI

' SPEED (NPN) N NME NE ENE ' E 'ESE SE - SSE .. S SSW SW WSW W 'WNW NW NNW WRSL~ - TOTA'L i

CALM 1 0 0 0 1 1 1' 1 1 0 0 1 2 1 2 0 0 12  !

(1) .01 .00 .00 .00 .01 .01 .01 .01 .01 .00' .00 .01 .02 .01 .02 .00 .00 .14  !

(2) .01 .00 .00 .00 .01 .01 .01 .01 .01 .00 .00l .01 .02 .01 .02 .00' .00 - .14 C3 220 125 118 109 115 121 133 178 210 . 284 471 360 --301 .~310- 314 345 0 . 3714:  ?

(1) 2.58 1.47 1.39 1.28 1.35 1.42 1.% 2.09 2.47 3.34 5.53 4.23 '3.54 3.64 3.69 4.05 .00 43.64 (2) 2.58 1.47 1.39 1.28 1.35 1.42 1.% 2.09 2.47 3.34 5.53 4.23 3.54 3.64 '3.69 4.05 .00 43.64 47 320 81 39 67 108 146 135 275 245 105 113 84 i 144 137' 2861 L 571 - 0 28% .

(1) 3.76 .95 .46 .79 1.27 1. 72 1.59 3.23 2.88 1.23 1.33 .99 1.6911.61 3.36 6.71' .00 33.M (2) 3.76 .95 .46 .79 1.27 1.72 1.59 3.23 2.88 1.23 1.33 .99 1.69 1.61 3.36 6.71 .00 33.54 8 12 265 43 5 4 33 27 3 53 .. 256 51 37 113 224L .1901 247 0- 1569 (1) 3.11 .51 .06 .05 .39 .32 .04 .62 3.01- .60 '.43 18

.21 ~ 1.33 -2.63 2.25'2.90 .00 18.43 (2) 3.11 .51 .06 .05 .39 .32 .04 .62 3.01 .60 .43 .21. 1.33 '2.63 2.23' 2.90 - .00 18.43

~

13 11 48 2 0 0 0 0 0 33 5~ 4 22 103' '

0' 1 5 79 344'  !

(1) .M .02 00 .00 .00 .00 .00 .01 .39 .06 .05 .06 .26 .93 1.21 .49 - .00- .4.04 (2) .% .02 .00 .00 .00 . .00 .00 .01 .39 .06 .05 .06~ .26 .93. 1.21- .49- .00 4.04 s

.I 19-24 0 0 0 0 0 0 0 0 0 0 0 0- .1 4' 11 0' O 16  !

(1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .05 .13 .00 ' 00 -

. .19 1 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .05 .13 .00 ' 00 -

. .19  !

GT 24 0 0 0 0 0 0 0 0 0 0 0-0 0 0 0 0 0' 'O 2 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 l (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00 .00 .00 .00 .00' .00 .00 .00 i ALL SPEEDS 854 251 162 140 257 295 272 508 745 445 625 468 583 755 906 1205 0 8511 (1) 10.03 2.95 1.90 2.11 3.02 3.47 3.20 5.97 8.75 5.23 7.34 5.50 6.85 8.87 10 35 14.16 .C0 100.00 (2) 10.03 2.95 1.90 2.11 3.02 3.47 3.20 5.97 8.75 5.23 7.34 5.50 6.85 8.87 10.65 14.16 .00 100.00 (1)= PERCENT OF ALL J000 OBSERVATIONS FOR THIS PAGE j

(2)= PERCENT OF ALL 003 OBSERVATIONS FOR TNIS PERI (B C3 CALM (WIS SPEED LESS TNAN OR EQUAL To .95 MPN)

J

APPENDIX A EFFLUENT AND WASTE DISPOSA'L SEMIANNUAL o. PORT Supplemental Information Third and Fourth Quarters. 1994 Facility: Vermont Yankee Nuclear Power Station Licensee: Vermont Yankee Nuclear Power Corporation 1A. TECHNICAL SPECIFICATION LIMITS - DOSE AND DOSE RATf Technical SDecification and Cateaory Limit

a. Noble Gases 3.8.E.1 Total body dose rate 500 mrem /yr 3.8.E.1 Skin dose rate 3000 mrem /yr 3.8.F.1 Gamma air dose 5 mrad in'a quarter 3.8.F.1 Gamma air dose 10 mrad in a year 3.8.F.1 Beta air dose 10 mrad in a quarter 3.8.F.1 Beta air dose 20 mrad in a year-
b. Iodine-131. Iodine-133. Tritium and f;adionuclides in Particulate Form With Half-Lives Greater Than 8 Days 3.8.E.1 Organ dose rate 1500 mrem /yr 3.8.G.1 Organ dose 7.5 mrem in a quarter 3.8.G.1 Organ dose 15 mrem in a year
c. Liauids 3.8.B.1 Total body dose 1.5 mrem in a quarter 3.8.B.1 Total body dose 3 mrem in a year 3.8.B.1 Organ dose 5 mrem in a quarter 3.8.B.1 Organ dose 10 mrem in a year O

i una A-1

APPENDIX A (Continued)

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT 2A. TECHNICAL SPECIFICATION LIMITS - CONCENTRATION Technical Specification and Category Limit

a. Noble Gases No MPC Limits (No ECL Limits)
b. Iodine-131. Iodine-133. Tritium and Radionuclides in Particulate Form With Half-Lives Greater Than 8 Days No MPC Limits (No ECL Limits)
c. Liouids 3.8.A.1 Total t'raction of MPC (ECL) excluding noble gases (10CFR20, Appendix B, Table II, Column 2): 11.0 3.8.A.1 Total noble gas concentration: 12E-04 uCi/cc
3. AVERAGE ENERGY Provided below are the average energy (E) of the radionuclide mixture in releases of fission and activation gases, if applicable.
a. Average gamma energy: 3rd Qu;rter 8.00E-01 MeV/ dis 4th Quarter 8.10E-01 MeV/ dis
b. Average beta energy: Not Applicable
4. MEASUREMENTS AND APPROXIMATIONS OF TOTAL RADI0 ACTIVITY Provided below are the methods used to measure cr approximate the total radioactivity in effluents and the methods used to determine radionuclide composition.

urao A-2

APPENDfX A (Continued) ,

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT

a. Fission and Activation Gases Continuous stack monitors monitor gross Noble Gas radioactivity released from the plant stack. Total Noble Gas release rates are calculated using this monitor. To determine the isotopic breakdown of the release, samples are taken of the Steam Jet Air Ejector, which is the source gas for the releases. These samples are analyzed by gamma spectroscopy to determine the isotopic composition. The isotopic composition is then proportioned to the gross releases determined from the stack monitor to quantify the individual isotopic releases. These are indicated in Table IB and the totals of Table 1A.

Tne error involved in these steps may be 1pproximately 1100 percent.

b. Iodines Continuous isokinetic samples are drawn from the plant stack through a particulate filter and charcoal cartridge. The filters and cartridges are normally removed weekly and are analyzed for Iodine-131, 132, 133, 134, and 135. The error involved in these steps may be approximately 150 percent,
c. Particulates The particulate filters described in b. above are also counted for particulate radioactivity. The error involved in this sample is also approximately 150 percent.
d. Waste Oil Prior to issuing the permit to burn a drum of radioactively contaminated waste oil, one liter of the oil is analyzed by gamma spectroscopy to determine concentrations of radionuclides that meet or exceed the LLD for all of the liquid phase radionuclides listed in Technical Specification Table 4.8.1. Samples that have a visible water layer are not analyzed. The water must first be removed from the drum of oil and resampled.

unso A-3

APPENDIX A (Continued)

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT Monthly, samples from drums that were issued burn permits are sent to the E-Lab for compositing and analysis. The E-Lab analyzes for tritium, alpha, Fe-55, Sr-89, and Sr-90 on the composite sample.

The waste oil samples are liquid effluents that end up as a gaseous ground level release.

e. Liauid Effluents Radioactive liquid effluents released from the facility are continuously monitored. Measurements are also made on a representative sample of each batch of radioactive liquid effluents released. For each batch, station records are retained of the total activity (mci) released, concentration (uCi/ml).of gross radioactivity, volume (liters), and approximate total quantity of water (liters) used to dilute the liquid effluent prior to release to the Connecticut River.

Each batch of radioactive liquid effluent releases is analyzed for gross gamma and gamma isotopic radioactivity. A monthly proportional composite sample, comprising an aliquot of each batch released during a month, is analyzed for tritium and gross alpha radioactivity. A quarterly proportional composite sample, comprising an aliquot of each batch released during a quarter, is analyzed for Sr-89, Sr-90, and Fe-55.

5. BATCH RELEASES
a. Liouid There were no routine liquid batch releases during the reporting ,

period,

b. Gaseous There were no routine gaseous batch releases during the reporting period.

unso A-4 .

1. - _ _ _ _ _ _ _ _ _ _ _

. . .i APPENDIX A (Continued)

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT- i s

6. Ag,gg_RMAL RELEASES ,
a. Liauid i I

There were no nonroutine liqu d releases during the reporting. .)

period.

b. Gaseous [

There were no nonroutine gaseous releases during the reporting period. l l

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APPENDIX B LIQUID HOLDUP TANKS Reauirement: Technical Specification 3.8.D.1 limits the quantity of radioactive material contained in any outside tank. With the quantity of radioactive material in any outside tank exceeding the limits of Technical Specification 3.8.D.1, a description of ,

the events leading to this condition is required in the next )

Semiannual Effluent Release Report per Technical Specification 6.7.C.1.

-ResDonse: The limits of Technical Specification 3.8.0.1 were not exceeded during this reporting period.

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APPENDIX C ,

2 i

j RADI0 ACTIVE LIQUID EFFLUENT MONITORING INSTRUMENTATION j 1 4

Reouirement: Radioactive liquid effluent monitoring instrumentation channels are required to be operable in accordance with Technical Specification Table 3.9.1. If an inoperable radioactive liquid effluent monitoring instrument is not returned to operable status j prior to a release pursuant to Note 4 of Table 3.9.1, an j explanation in the next Semiannual Effluent Release Report of the 1

reason (s) for delay in correcting the inoperability are required  ;

j per Technical Specification 6.7.C.1.

I Resoonse: Since the requirements of Technical Specification Table 3.9.1 governing the operability of radioactive liquid effluent l

i monitoring instrumentation were met for this reporting period, no

. response is required.

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APPENDIX D RADI0 ACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATION Reauirement: Radioactive gaseous effluent monitoring instrumentation channels are required to be operable in accordance with Technical Specification Table 3.9.2. If inoperable gaseous effluent monitoring instrumentation is not returned to operable status within 30 days pursuant to Note 5 of Table 3.9.2. an explanation i in the next Semiannual Effluent Release Report of the reason (s) l for the delay in correcting the inoperability is required per Technical Specification 6.7.C.1.

Response: Since the requirements of Technical Specification Table 3.9.2 governing the operability of radioactive gaseous effluent monitoring instrumentation were met for this reporting period, no response is required.

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. I APPENDIX E RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM Reauirement: The radiological environmental monitoring program is conducted in accordance with Technical Specification 3.9.C. With milk samples l no longer available from one or more of the sample locations I required by Technical Specification Table 3.9.3. Technical Specification 6.7.C.1 requires the following to be included in the next Semiannual Effluent Release Report: (1). identify the cause(s) of the sample (s) no longer being available (2) identify the new location (s) for obtaining available replacement samples and (3) include revised ODCM figure (s) and table (s) reflecting the new. location (s).

Resoonse: No changes were needed in the milk sampling locations specified in Technical Specification Table 3.9.3 due to sample ,

unavailability during the third and fourth quarters of 1994. '

(

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APPENDIX F

LAND USE CENSUS i

i

? Reauirement: A land use census'is conducted in accordance with Technical I Specification 3.9.D. With a land use census identifying a f j location (s) which yields at ' east a 20 percent greater dose or j i dase commitment than the values currently.being calculated in l l Technical Specification 4.8.G.1, Technical Specification 6.7.C.1 requires the identificatioh'of the new location (s) in the next.

Semiannual Effluent Release Report.

3 Resoonse: The Land Use Census was completed in the third quarter of 1994, 1 No locations yielded a.20 percent greater dose or dose commitment j than the values currently being calculated in Technical j Specification 4.8.G.I.  ;

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APPENDIX G-PROCESS CONTROL PROGRAM Reauirement: Technical Specification 6.12.A.1 requires that licensee initiated changes to the' Process Control Program'(PCP) be submitted to-the _

Commission in the. Semiannual Radioactive Effluent Release Report for the period in which.the change (s) was made.

Resoonse: There were no licensee initiated changes.to the' Process Control >

Program during this reporting. period.

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1 i APPENDIX H 1

i i 0FF-SITE DOSE CALCULATION MANUAL i

Reautrement: Technical Specification 6.13.A.1 requires that licensee initiated i changes to the Off-Site Dose Calculation Manual (00CM) be

$ submitted to the Commission in the Semiannua1' Radioactive i

j Effluent Release Report for the period in which the change (s) was i

made effective, i

i j Response: There were no licensee-initiated changes to the Off-Site Dose Calculation Manual during this reporting period.

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a APPENDIX I RADI0 ACTIVE LIQUID, GASE0US. AND SOLID WASTE TREATHENT SYSTEMS l I

Reauirement: Technical Specification 6.14. A requires that licensee initiated I

major changes to the radioactive waste systems (liquid, gaseous, I and solid) be reported to the Commission in the Semiannual Radioactive Effluent Release Report for the period in which the evaluation was reviewed by the Plant Operation Review Committee.

Response: The radwaste centrifuge / hopper resin dewatering system was

replaced with an in-cask Rapid Dewater System, RDS-1000, supplied by Chem-Nuclear Systems Inc., during this reporting period.

The information for this change will be sumbitted to the Commission as part of the periodic FSAR update as permitted per Technical Specification 6.14.A. .

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a' l APPENDIX J

) ON-SITE DISPOSAL OF SEPTIC WASTE Reouirement: Off-Site Dose Calculational Manual, Appendix B requires that the j dose impact due to on-site disposal of septic waste during the reporting year and.from previous years be reported to the

! Commission in the Semiannual Radioactive Effluent Report filed after January 1, if disposals occur during the reporting year.

There was one on-site disposal of' septic waste during the

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Response

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reporting year. The total volume of septage spread was d approximately 12.000 gallons. The total activity spread on the j 1.9 acres (southern) on-site disposal field during 1994 and from previous years was:

Nuclide Activity (Ci) i Mn-54 2.66E-07 i Co-60 1.28E-05

Zn-65 3.99E-07 j Cs-134 5.70E-08 j Cs-137 2.30E-06 5

$ The projected hypothetical dose from on-site disposals of septi:

waste is 1.16E-02 mrem / year. This dose was calculated according i to the model and the assumptions of Off-Site Dose Calculational Manual, Appendix 8.

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