ML20086B881
| ML20086B881 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee  |
| Issue date: | 12/31/1994 |
| From: | VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | |
| Shared Package | |
| ML20086B875 | List: |
| References | |
| NUDOCS 9507060150 | |
| Download: ML20086B881 (52) | |
Text
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- I, ' 11 VERMONT' YANKEE NUCLEAR POWER CORPORATION
' VERMONT YANKEE NUCLEAR POWER STATION VERNON, VERMONT l
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I I SUPPLEMENTAL EFFLUENT AND WASTE DISPOSAL
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SEMIANNUAL REPORT > FOR THIRD AND FOURTH 00ARTERS 1994 INCLUDING I ANNUAL RADIOLOGICAL IMPACT ON MAN FOR 1994 I lI I I I I Vermont Yankee Nuclear Power Station I R12\60 f
E l ERRATA In the Vermont Yankee Effluent and Waste Disposal Semiannual Report covering I the third and fourth quarters of 1994, the following corrections should be made: None. Table 1A of the Semiannual Report covering the first and second quarters of 1994 was revised. The revised table is provided in the following page. I
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l TABLE 1A Vermont Yankee Effluent and Waste Disposal Semiannual Report First and Second Ouarters. 1994 Gaseous Effluents - Summation of All Releases ) I Quarter Quarter Est. Total Unit 1 2 Error. % ( A. Fission and Activation Gases i
- 1. Total release Ci <7.77E+02 <7.86E+02 il.00E+02 l
- 2. Average release rate for period uCi/sec <9.88E+01 <1.00E+02
- 3. Percent of Tech. Spec. limit (1) % 2.10E+00 1.62E+00 B. Iodines F
- 1. Total Iodine-131- Ci 9.00E-04 8.91E-04 f5.00E+01 L 2. Average release rate for period uCi/sec 1.14E-04 1.13E-04
- 3. Percent of Tech. Spec. limit (2) % 7.53E-02 6.39E-01 I
C. Particulates ' 1. Particulates with T-1/2 > 8 days Ci 9.83E-04 4.94E-04 +5.00E+01
- 2. Averace release rate for period uCi/sec 1.25E-04 6.28E-05
- 3. Percent of Tech. SDec. limit % (3) (3)
- 4. Gross alpha radioactivity Ci 3.27E-06 1.98E-06 D. Tritium
- 1. Total release Ci 5.54E+00 4.06E+00 f5.00E+01
- 2. Averaoe release rate for period uCi/sec 7.05E-01 5.16E-01
- 3. Percent of Tech. Spec. limit % (3) (3)
(1) Technical Specification 3.8.F.1.a for gamma air dose. (2) Technical Specification 3.8.G.1 for dose from I-131, 1-133. Tritium, and radionuclides in particulate form. (3) Per Technical Specification 3.8.G.1 dose contribution from Tritium and particulates are included with I-131 above in Part B. n2ruo -iii-1 I
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B l TABLE OF CONTENTS Page !. ERRATA .............................. ii l
1.0 INTRODUCTION
. ................... ........ 1 l 2.0 METEOROLOGICAL DATA ........................ 3 3.0 DOSE ASSESSMENT .......................... 4 t
I 3.1 Doses From Liquid Effluents . . . . . . . . . . . . . . . . . 4 3.2 Doses From Noble Gases ................... 4 3.3 Doses From Iodine-131. Iodine-133. Tritium, and Radionuclides in l Particulate Form With Half-Lives Greater Than 8 Days .... 5 3.4 Whole-Body Doses in Unrestricted Areas From Direct Radiation 6 3.5 Doses From On-Site Disposal of Septic Waste . . . . . . . . . 7 i REFERENCES ............................... 8 } TABLES . . ............................... 9 APPENDIX A - SUPPLEMENTAL INFORMATION . ............ . .... A-1 l l i APPENDIX B - LIQUID HOLDUP TANKS .................... B-1 APPENDIX C - RADI0 ACTIVE LIQUID EFFLUENT MONITORING INSTRUMENTATION .................. .... C-1 j APPENDIX D - RADI0 ACTIVE GASE0US EFFLUENT MONITORING INSTRUMENTATION ...................... D-1 APPENDIX E - RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM ... . . .. E-1 APPENDIX F - LAND USE CENSUS ...................... F-1 ! { APPENDIX G - PROCESS CONTROL PROGRAM .......... ........ G-1 APPENDIX H - 0FF-SITE DOSE CALCULATION MANUAL . . . . . . . . . . . . . . H-1 APPENDIX I - RADIOACTIVE LIQUID. GASE0US AND SOLID WASTE TREATMENT SYSTEMS ..................... 1-1 APPENDIX J - ON-SITE DISPOSAL OF SEPTIC WASTE . . . . . . . . . . . . . . J-1 l I mm -iv-
I LIST OF TABLES Number Title Pace 1A Gaseous Effluents - Summation of All Releases 9 1B Gaseous Effluents - Elevated Releases 10 1C Gaseous Effluents - Ground Level Releases 11 ID Gaseous Effluents - Nonroutine Releases 12 2A Liquid Effluents - Summation of All Releases 13 2B Liquid Effluents - Nonroutine Releases 14 3 Solid Waste and Irradiated Fuel Shipments 15 4 Maximum
- Off-Site Doses and Dose Commitments to Members of the 5 Public 16 5A to SH Annual Summary of Upper Level Joint Frequency Distribution 18-25 6A to 6H Annual Summary of Lower Level Joint Frequency Distribution 26-33 I
I . I I I I I I . I
VERMONT YANKEE NUCLEAR POWER STATION SEMIANNUAL EFFLUENT RELEASE REPORT JULY - DECEMBER 1994 (_
1.0 INTRODUCTION
Tables 1 through 3 list the recorded radioactive liquid and gaseous effluents and solid waste for the second six months of the year, with data summarized on a quarterly basis for both liquids and gases. Table 4 summarizes the estimated radiological dose commitments from all radioactive liquid and gaseous effluents released during the year 1994, including direct dose from fixed station sources. Tables SA through 6H report the cumulative joint frequency distributions of wind speed, wind direction, and atmospheric stability for the 12-month period, January to December 1994 Radioactive effluents reported in the Semiannual Effluent Report covering the first six months of the year were used to determine the resulting doses for the first half of 1994. As required by Technical Specification 6.7.C.1 dose commitments resulting from the release of radioactive materials in liquids and gases were estimated in accordance with the " Vermont Yankee Nuclear Power Station Off-Site Dose Calculation Manual" (ODCM). These dose estimates were made using a " Method II" analysis as described in the ODCM. A " Method II" analysis incorporates the methodology of Regulatory Guide 1.109 (Reference 3) and actual measured meteorological data recorded during the reporting period. As required by Technical Specification 6.7.C.1.b, this report shall also include an assessment of the radiation doses from radioactive effluents to member (s) of the public due to allowed recreational activities inside the site boundary during the year. However, for this reporting period no recreational activities inside the site boundary were permitted, and, as a result, no dose assessments are required. Assessment of radiation doses (including direct radiation) to the likely most exposed real member (s) of the public for the calendar year for the purposes of demonstrating conformance with 40CFR190, " Environmental Radiation Protection Standards for Nuclear Power Operations," are also required to be included in this report if~ the conditions indicated in Technical Specification 3.8.M.1, " Total Dose," have been exceeded during the year. Since the conditions indicated in the action statement under Technical Specification 3.8.M.2 were not entered into during the year, no additional radiation dose assessments are required. uruo - _ _ _ - _ _ _ _ _
All calculated dose estimates for this reporting period are well below the dose criteria of 10CFR Part 50 Appendix I. Appendices B through H indicate the status of reportable items per the requirements of Technical Specifications 6.7.C.1 and 6.14.A. l 1 j i uruo i
'2.0 METEOROLOGICAL DATA 'g Meteorological data was collected during this reporting period from the E site's 300-foot met tower located approximately 2,200 feet northwest of the reactor building, and about 1.400 feet from the plant stack. The 300-foot tower is approximately the same height as the primary plant stack (94 meters)
I and is designed to meet the requirements of Regulatory Guide 1.23 for meteorological monitoring. I X/0 and D/0 values were derived for all receptor points from the site meteorological record for each quarter using a straight-line airflow model. I All dispersion factors have been calculated employing appropriate source configuration considerations, as described in Regulatory Guide 1.111 (Reference 1). A source depletion model as described in " Meteorology and 1 Atomic Energy - 1968" (Reference 2) was used to generate deposition factors, assuming a constant deposition velocity of 0.01 m/sec for all stack (elevated) releases. Turbine hall roof vents are considered as ground level release points with relative deposition rates determined from Regulatory Guide 1.111. Changes in terrain elevations in the site environment were also factored into the meteorological models as appropriate. I I I I I I . I I I unn i I l
l l l 3.0 DOSE ASSESSMENT 3.1 Doses From t.iouid Effluents l Technical Specification 3.8.B.1 limits total body (1.5 mrem per quarter, and 3 mrem per year) and organ doses (5 mrem per quarter, and 10 mrem per year) from liquid effluents to a member of the public to those specified in 10CFR Part 50, Appendix 1. By implementing the requirements of 10CFR Part 50, Appendix 1. Technical Specification 3.8.B.1 assures that the release of radioactive material in liquid effluents will be kept "as low as is reasonably achievable." Exposure pathways that could exist as a result of liquid effluents are fish, direct exposure from river shoreline sedimentation, milk and meat via animal ingestion of the Connecticut River water, and meat, milk and vegetable pathways via crop irrigation with water withdrawn from the Connecticut River. The drinking water and aquatic invertebrate pathways do not exist downriver of the Vermont plant at Vernon. The dose analysis for the liquid pathways, given above, assumes a dilution based on a minimum regulated river flow of 1250 cfs at the Vernon Dam just below the plant discharge outfall. This results in conservative dose estimates from the liquid effluents. The resultant whole body and organ doses from liquid effluents were determined by summing the contributions from all pathways at each location. The whole body and organ doses to a member of the public from liquid effluents are given in Table 4. The estimated quarterly and annual doses due to liquid effluents are well below the 10CFR Part 50, Appendix I dose criteria of Technical Specification 3.8.B.1. 3.2 Doses From Noble Gases Technical Specification 3.8.F.1 limits the gamma air dose (5 mrad per quarter, and 10 mrad per year) and beta air (10 mrad per quarter, and 20 mrad per year) dose from noble gases released in gaseous effluents from the site to areas at and beyond the site boundary to those specified in 10CFR Part 50, Appendix 1. By implementing the requirements of 10CFR Part 50. Appendix 1 Technical Specification 3.8.F.1 assures that the releases of radioactive noble gases in gaseous effluents will be kept "as low as is reasonably achievable." ama 4-i
Dose estimates due to the release of noble gases to the atmosphere are typically calculated at the site boundary, and nearest resident in each of the sixteen principle compass directions, as well as the point of highest off-site ground level air concentration of radioactive materials, and for each of the milk animal locations located within five miles of the plant. 3,3 Doses From Iodine-131. Iodine-133. Tritium. and Radionuclides in Particulate Form With Half-tives Greater Than 8 Days Technical Specification 3.8.G.1 limits the organ dose to a member of the public from iodine-131, iodine-133, tritium and radionuclides in particulate form with half-lives greater than 8 days (hereafter called iodines and particulates) in gaseous effluents released from the site to areas at and beyond the site boundary to those specified in 10CFR Part 50, Appendix I (7.5 mrem per quarter, and 15 mrem per year). By implementing the requirements of 10CFR Part 50, Appendix I, Technical Specification 3.8.G.1 assures that the releases of iodines and particulates in gaseous effluents will be kept "as low as is reasonably achievable." Exposure pathways that could exist as a result of the release of iodines and particulates to the atmosphere include external irradiation from activity deposited onto the ground surface, inhalation, and ingestion of vegetables, meat and milk. Dose estimates were made at the site boundary and nearest resident in each of the sixteen principle compass directions, as well as all milk animal locations within five miles of the plant. The nearest resident and milk animals in each sector were identified by the most recent Annual Land Use Census as required by Technical Specification 3.9.D.1. Conservatively, a vegetable garden was assumed to exist at each milk animal and nearest resident location. Furthermore, the meat pathway was assumed to exist at each milk animal location. Doses were also calculated at the point of maximum ground l level air concentration of radioactive materials in gaseous effluents and l included the assumption that the inhalation, vegetable garden, and ground plane exposure pathways exist for an individual with a 100 percent occupancy factor. It is assumed that milk and meat animals are free to graze on open pasture during the second and third quarters with no supplemental feeding. This assumption is conservative since most of the milk animals inventoried in the site vicinity are fed stored feed throughout the entire year with only limited grazing allowed during the growing season. It has also been assumed that only 50 percent of the iodine deposited from gaseous effluent is in elemental form (1 2 ) and is available for uptake (see p. 26, Reference 3). oruo l _ _ _ _ _ _ _ - _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ ._. __ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ ~
I During the first and fourth quarters, the milk animals are assumed to receive only stored feed. The resultant organ doses were determined after adding the contributions from all pathways at each location. Doses were calculated for the whole body, GI-tract, bone, liver, kidney, thyroid, lung and skin for adults, teenagers, children and infants. The maximum estimated quarterly and annual organ doses to any age group due to iodines and particulates at any of the off-site receptor locations are reported in Table 4. These estimated organ doses are well below the 10CFR Part 50, Appendix I dose criteria of Technical Specification 3.8.G.I. 3.4 Whole-Body Doses in Unrestricted Areas From Direct Radiation The major source of dose, consisting of direct radiation and skyshine, from the station is due to N-16 decay in the turbine building. Because of the orientation of the turbine building on the site, and the shielding effects of the adjacent reactor building, only the seven westerly sectors (SSW to NNW) see any.significant direct radiation. High Pressure Ionization Chamber (HPIC) measurements have been made in the plant area in order to estimate the direct radiation from the station. The chamber was located at a point along the west site boundary which has been determined to receive the maximum direct radiation from the plant. Using measurements of dose rate made while the plant operated at different power levels, from shutdown to 100 percent, the total integrated dose from direct radiation over each three month period was determined by considering the quarterly gross megawatts generated. Field measurements of exposure, in units of Roentgen, were modified by multiplying by 0.6 to obtain whole body dose equivalents, in units of rem, in accordance with recommendations of HASL Report 305 (Reference 4) for radiation fields resulting from N-16 photons. The other sources of dose, including direct radiation and skyshine, to I the site boundary are from low level radioactive waste stored in the north warehouse and the low level waste storage pad facility. The annual dose is based on dose rate measurements in these two storage facilities and determined at the same most restrictive site boundary dose location as that for N-16 shine from the Turbine Building. The estimated direct radiation dose from all major sources combined for the most limiting site boundary location is listed on Table 4 for each unn ,
quarter. These site boundary doses assume a 100 percent occupancy factor, and take no credit for the shielding effect of any structure. 3.5 Doses From On-Site Disposal of Septic Waste Off-Site Dose Calculational Manual. Appendix B. requires that all applications of septage within the approved designated disposal areas be ) limited to ensure the dose to a maximally-exposed individual be maintained at j less than 1 mrem / year to the whole body and any organ, and the dose to the j inadvertent intruder be maintained at less than 5 mrem / year. The projected dose from on-site disposals of septic waste is given in Appendix J. { I [ urue - -_ - __-__ - ____-________
REFERENCES
- 1. Regulatory Guide 1.111. " Methods for Estimating Atmospheric Transport and Dispersion of Gaseous Effluents in Routine Releases from Light-Water-Cooled Reactors", U.S. Nuclear Regulatory Commission Office :
of Standards Development, March 1976.
- 2. Meteorology and Atomic Energy, 1968. Section 5-3.2.2, " Cloud Depletion",
pg. 204. U. S. Atomic Energy Commission July 1968.
- 3. Regulatory Guide 1.109, " Calculation of Annual Doses to Man From Routine Release of Reactor Effluents for the Purpose of Evaluating Compliance with 10CFR Part 50, Appendix I", U. S. Nuclear Regulatory Commission, l Office of Standards Development, Revision 1, October 1977. )
i
- 4. W. M. Lowder, P. D. Raft, and G. dePlanque Burke, " Determination of N-16 Gamma Radiation Fields at BWR Nuclear Power Stations", Heaith and Safety Laboratory Energy Research and Development Administration, Report No.
305, May 1976. uruo . .
c: I TABLE 1A 1 B-Vermont Yankee Effluent and Waste Disposal Semiannual Report Third and Fourth Ouarters. 1994 Gaseous Effluents - Summation of All Releases Est. I Quarter Quarter Total Unit 3 4 Error. % A. Fission and Activation Gases
- 1. Total release Ci <7.96E+02 <8.04E+02 il.00E+02
- 2. Average release rate for period pCi/sec <1.01E+02 <1.02E+02 I 3. Percent of Tech. Spec. limit (1) % 2.44E+00 2.88E+00 B. Iodines
- 1. Total lodine-131 Ci 6.84E-04 5.42E-04 15.00E+01
- 2. Average release rate for period pCi/sec 8.70E-05 6.89E-05 I 3. Percent of Tech. Spec. limit (2) % 5.89E-01 3.85E-02 Particulates IC.1. Particulates with T-1/2 > 8 days Ci 2.50E-04 1.53E 04 i5.00E+01
- 2. Average release rate for period pCi/sec 3.18E-05 1.95E-05
- 3. Percent of Tech. Spec. limit % (3) (3)
- 4. Gross alpha radioactivity Ci 1.12E-06 9.33E 07 D. Tritium
- 1. Total release Ci 5.09E+00 7.28E+00 i5.00E+01
- 2. Average release rate for period pC1/sec 6.47E-01 9.26E-01
- 3. Percent of Tech. Spec. limit % (3) (3)
(1) Technical Specification 3.8.F.1.a for gamma air dose. Technical Specification 3.8.G.1 for dose from I-131. I-133. Tritium, and radionuclides B(2) in particulate form. Per Technical Specification 3.8.G.1 dose contribution from Tritium and particulates are I(3) included with I-131 above in Part B. f I urao I
{L TABLE IB Vermont Yankee Effluent and Waste Disposal Semiannual Report Third and Fourth Quarters. 1994 Gaseous Effluents - Elevated Releases Continuous Mode Batch Mode (l) Quarter Quarter Quarter Quarter __ Nuclides Released Unit 3 4 3 4
- 1. Fission Gases Krypton-85 Ci ND .
ND Kryoton-85m Ci <3.03E+00 <3 11E+00 -) Kryoton-87 Ci <2.21E+01 <2.23E+01 J KryDton-88 Ci' (9.81E+00 <1.02E+01 Xenon-133 Ci <1.23E+00 <1.28E+00 ) Xenon-135 Ci <1.93E+01 <2.05E+01 Xenon-135m Ci <1.40E+02 <1.41E+02 Xenon-138 Ci <6.00E+02 <6.05E+02 Unidentified Ci
. Total for period Ci <7.96E+02 <8.04E+02
- 2. Iodines Iodine-131 Ci 6.84E-04 5.42E-04 Iodine-133 C1' 4.16E-03 2.93E-03 lodine-135 Ci ND ND
-Total for oeriod C1 4.84E-03 3.48E-03
- 3. Particulates
(; Strontium 89 Ci 2.26E-04 1.30E 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 Cobalt-58 Ci ND ND Cobalt-60 Ci 1.69E-05 ND Cerium-141 Ci ND ND
-Zine-65 Ci ND ND Total for period Ci 2.50E-04 1.34E-04
-(1) There were no batch mode gaseous releases for this reporting period.
ND - Not detected at the plant stack. uruo ____________ _ - - - _ _
l TABLE 1C Vermont Yankee ._ Effluent and Waste Disposal Semiannual ReDort Third and Fourth Ouarters 1994 i Gaseous Effluents - Ground Level Releases (2) l Continuous Mode Batch Mode (l) Quarter W Ouarter Quarter Quarter Nuclides Released Unit 3 4 3 4 - l 1. Fission Gases ND Krypton-85 Ci ND KryDton-85m Ci ND Krypton-87 Ci ND Krypton 88 Ci ND Xenon-133 Ci ND Xenon-135 Ci ND Xenon-135m Ci ND Xenon-138 Ci ND Xenon-131m Ci ND Total for period Ci 0.00E+00 0.00E+00
- 2. Todines(2)
Iodine-131 Ci ND Iodine-133 Ci ND ,' Iodine-135 C1 ND Total for period Ci 0.00E+00 0.00E+00
- 3. Particulates(2) ,
_,, Strontium-89 Ci ND Strontium-90 C1 1.09E-07 Cesium-134 C1 3.45E-07 Cesium 137 Ci 3.88E-06 Barium-Lanthanum-140 Ci ND Manganese-54 Ci 2.45E-06 Chromium-51 Ci ND Cobalt-58 Ci 5.79E-08 Cobalt-60 Ci 8.20E-06 Cerium-141 Ci ND Zinc-65 Ci 3.63E-06 Total for period Ci 0.00E+00 1.87E-05 (1) There were no batch mode gaseous releases for this reporting period. l (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. ND - Not detected in the waste oil sample. l l unso _ _ - _ _ _ _ - _ _ _ _ _ _ _ _ _
TABLE 10 Vermont Yankee Effluent and Waste DisDosal Semiannual Report Third and Fourth Ouarters 1994 i Gaseous Effluents - Nonroutine Releases There were no nonroutine or accidental gaseous releases during this reporting period.
/
L
..)
amso _ _ _ _ _ - _ _ - _ _ _ _ _ - _ _ _ _ _ _ _
L, e TABLE ?A Vermont Yankee Effluent and Waste' Disposal Semiannual Report ! Third and Fourth Ouarters 1994 Liouid Effluents - Summation of All Releases There were no liquid releases during this reporting period. L N
^;
L r urue __ _ - _ _ _ _ _ _ _ _ _ _ _ _ _
TABLE 2B Vermont Yankee Effluent and Waste Disposal Semiannual Report Third and Fourth Ouarters 1994 Liouid Effluents - Nonroutine Releases There were no liquid releases during this reporting period. E L b e unso -
m . . . . . . _ l I l TABLE 3 I Vermont Yankee Effluent and Waste Disposal Semiannual Report l Third and Fourth Ouarters. 1994 Solid Waste and irradiated Fuel Shioments l A. Solid Waste Shipped Off-Site for Burial or Disposal (Not Irradiated Fuel): j Unit 6 Month Est. Total
- 1. Type of Waste Period Error %
I l l
- a. Spent resins, filter sludges, evaporator bo+ toms. etc.
m' Ci +7.50E+01
- b. Dry compressible waste, contaminated m' l
eauipment. etc. Ci i7.50E+01
- c. Irradiated components, control rods, m' I etc. Ci +7.50E+01 L
" 2. Estimate of Major Nuclide Composition (By Type of Waste):
- a. Zinc-65 % b. Iron-55 %
Cesium-137 % Zinc-65 % l Cobalt-60 % Cobalt-60 % Cesium-134 % Manganese-54 % J Manganese 54 % Cesium-137 % l
- 3. Solid Waste Disposition:
J Number of Shioments Mode of Transportation Destination L
"No solid waste was disposed during this period."
- 8. Irradiated Fuel Shipments (Disposition): None C. Supplemental information
- 1) Class of solid waste containers shipped:
- 2) Types of containers used:
- 3) Solidification agent or absorbent: None urao -
TABLE 4 Vermont Yankee Effluent and Waste Disposal Semiannual Report Third and Fourth Ouarters. 1994 Maximum
- Off-Site Doses and Dose Commitments to Members of the Public f
L Dose (mrem)*** p 1st 2nd 3rd 4th Source Ouarter Quarter Quarter Quarter Year ** Liquid Effluents (a) - - - - Airborne Effluents lodines and Particulates 5.65E-03 4.79E-02 4.42E-02 2.89E-03 1.01E-01 (1) (2) (2) (1) L Noble Gases Beta Air 9.19E-02 8.16E-02 1.09E-01 1.01E-01 3.84E-01 ' (mrad) (3) (4) (5) (3) Gamma Air 1.04E-01 8.11E-02 1.22E-01 1.44E-01 4.51E-01 (mrad) (6) (7) (8) (6) Whole Body Dose from 3.98E+00 3.97E+00 3.97E+00 3.97E+00 1.59E+01 Facility Direct Radiation (mrem)**** Hypothetical Dose from 1.16E-02 On-Site Septic Waste Disposal
** Maximum
- means the largest fraction of corresponding 10CFR50, Appendix 1, dose design objective.
*** Maximum" dose for the year is the sum of the maximum doses for each quarter.
This results in a conservative yearly dose estimate, but still well within the limits of 10CFR50.
***The numbered footnotes indicate the location of the dose receptor, age group, and organ, where appropriate.
**** Maximum receptor point, west site boundary, no resident present, r
t. unn _ _ _ _ _ _ _ _ _ _
L r (1) Child / Bone, NW-2900 meters. (2) Infant / Thyroid, NW-4400 meters. (3) NW-2900 meters. (4) W-2400 meters. (5) WNW 2400 meters. (6) SSE-850 meters. F (7) N-400 meters. k (8) S-500 meters. (a) There were no liquid releases during this reporting period. L i L r i L c U amso -
l I l l TABLE 5A VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 297.0 FT WIND DATA STABILITY CLASS A CLASS FREQUENCY (PERCENT) = .44 l WIND DIRECTION FROM SPEED (MPN) N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NWW 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 i C-3 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 47 1 0 0 0 0 0 4 2 0 0 0 0 0 0 0 0 0 7 (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 8 12 3 0 0 0 0 0 0 1 1 0 0 0 1 0 1 4 0 11 l l (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 (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 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 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 , (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .00 .01 l ALL $PEEDS 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 (2) .06 .00 .00 .00 .01 .01 .06 .03 .02 .00 .00 .00 .02 .01 .02 .19 .00 .44 l (1)= PERCENT OF ALL 00@ OBSERVATIONS FOR THis PAGE (2)sPERCENT OF ALL OCKD OBSERVATIONS FOR THIS PERIOD Cs CALM (WIND SPEED LESS THAN OR EQUAL To .95 MPH) I f
)
l
l l l l TABLE SB l VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 297.0 FT WIND DATA STABILITY CLASS S CLASS FREQUENCY (PERCENT) = .86 WIND DIRECTION FROM SPEED (KPM) N NNE NE ENE E ESE SE $$E S $$W 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 C3 1 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 4 (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 4-7 3 1 G 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 8 12 6 1 0 0 1 . 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 .08 .00 .31 13-18 2 0 0 0 0 0 0 0 4 1 0 0 0 6 2 5 0 20 (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 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 G000 OBSERVATIONS FOR THIS PAGE (2) PERCENT OF ALL 00CD OBSERVATIONS FOR THIS PERIOD Cs CALM (WIND SPEED LESS TMAN OR EQUAL TO .95 MPM) i
[: F l F b r TABLE SC l L y VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JolNT FREQUENCY DISTRIBUTION l 297.0 FT WIND DATA STABILITY CLASS C CLASS FREQUENCY (PERCENT) = 2.92 WIND DIRECTION FROM SPEED (MPM) N NNE NE ENE E ESE SE $$E S $$W SW WSW W WWW 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 l L (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 .5 .01 .01 .00 .00 .00 .00 .00 .00 .01 .00 .10 47 5 3 1 0 0 5 9 1 4 2 0 1 0 0 1 10 0 45 y (1) 1.98 1.19 .40 .00 .00 1.98 3.57 1.5Y 1.59 .79 .00 .40 .00 .00 .40 3.97 .00 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 f.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 .05 .00 .00 .00 .01 .01 .10 .14 .00 .38 r 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 1.98 .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 L (i> 18.25 i.98 i.59 .79 .79 3.57 7.14 6.75 13.89 3.57 .00 2.38 3.57 3.ir 9.13 23.4i .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 GOOD 08SERW8'10NS FOR THIS PAGE (2)sPERCENT OF ALL GOOD OBSERVATIONS FOR THIS PERIOD Ce CALM (WIND SPEED LESS THAN OR EQUAL TO .95 MPH 1
b i f ( I L TABLE SD f VERMONT YANKEE JAN 94 DEC 94 METEOROLOGICAL DATA JOINT FREQUENCT DISTRIBUTION 297.0 FT WIND DATA STABILITY CLASS 0 CLASS FREQUENCY (PERCENT) = 46.59 WIND DIRECTION FROM l L SPEED (MPN) W WWE NE ENE E ESE SE $$E S SSW SW WSW W WNW NW NWW VRBL TOTAL r 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 C3 42 46 37 34 29 44 67 35 35 21 9 6 to 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 [ .43 .39 .34 .51 .78 .41 .41 .24 .10 .07 .12 .09 .24 .37 .00 5.51 y (2) .49 .53 47 105 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 8 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 [ L 13 18 194 25 2 0 1 5 8 to 131 76 17 17 36 172 119 148 0 961 (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 2.98 .00 9.94 (2) .90 .03 .00 .00 .00 .01 .00 .01 .22 15 .06 .06 .15 .89 .75 1.39 .00 4.63 14 0 0 0 0 0 1 1 0 1 0 0 11 21 37 0 86 GT 24 9 (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 1.96 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.'54 .00 46.59 (1)mPERCENT OF ALL C00D OBSERVATIONS FOR THIS PACE (2)* PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PERICD Ca CALM (WIND SPEED LESS TMAN OR EQUAL To .95 MPN) (
4 p p l I TABLE SE i l l i CRMONT YANCEE JAN 94
- DEC 94 METEOROLOGICAL DATA JO!NT FREQUENCY DISTRIBUTION 297.0 FT WIND DATA STABILITY CLASS E CLASS FREQUENCY (PERCENT) = 32.93 l l
WIND DIRECTION FROM l SPEED (MPN) N NME NE ENE E EtE SE SSE S SSW SW WSW W WNW NW NNW VR8L TOTAL CALM 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 .00 .00 .00 .07 (2) .00 .00 .01 .00 .00 .01 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .02 l C3 73 52 51 47 62 63 97 67 43 13 17 12 14 17 20 48 0 696 2.57 1.83 1.79 1.65 2.18 2.22 3.41 2.36 1.51 .70 1.69 (1) .46 .60 .42 .49 .60 .00 24.47 (2) .85 .60 .59 .54 .72 .73 1.12 .78 .50 .15 .20 .14 .16 .20 .23 .56 .00 8.06 47 209 34 10 13 14 20 140 143 103 28 19 16 20 26 42 168 0 1005
.70 4.92 5.03 3.62 .91 1.48 5.91 (1) 7.35 1.20 .35 .46 .49 .98 .67 .56 .70 .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 l 8-12 128 7 1 0 4 3 23 44 87 29 13 14 30 74 51 194 0 702 1 l
(1) 4.50 .25 .04 .00 .14 .11 .81 1.35 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 .51 .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 TNis PAGE (2)= PERCENT OF ALL 0000 OBSERVATIONS FOR THIS PERIOD C2 CALM (WIND SPEED LESS THAN OR E00AL To .95 MPN) l l I t .. ..
L E L F L y TABLE 5F L c- VEkMONT YAN E E JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 297.0 FT WIND DATA STABILITT CLASS F CLASS FREQUENCT (PERCEN.)
- 13.13 WIND DIRECTION FROM E
SPEED (MPH) N NNE NE ENE E ESE SE $$E 5 SSW SW WSW W WNW NW NNW VRBL TOTAL CALM 0 0 1 0 0 0 2 0 0 0 0 0 0 0 0 0 0 3 I (1) .00 .00 .09 .00 .00 .00 .18 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .26 L (2) .00 .00 .01 .00 .00 .00 .02 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .03 C3 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 . (.4 44 .29 .27 .22 .14 .07 .13 .17 .17 .25 .00 4.63 4-7 83 34 6 5 18 13 49 67 30 14 16 to 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) .M .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 F-L 13 18 4 1 0 0 0 0 0 0 0 1 1 0 2 4 4 4 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 ' .00 .00 .00 .00 .00 .00 .00 .00 00 .00 .00 .00 .00 .00 .00 (1) .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 f ALL $PEEDS 177 71 42 36 41 52 106 100 66 45 34 20 48 68 56 172 0 1134 L (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 .00 100.00 (2) 2.05 .82 49 42 .47 .60 1.23 1.16 .76 .52 .39 .23 .56 .79 .65 1.99 .00 13.13 (1)sPERCENT OF ALL GOOD OBSERVATIONS FOR THIS PACE (2)= PERCENT OF ALL GCKD OBSERVATIONS FOR TMll PERICC Cu CALM (WIND SPEED LESS TMAN OR EQUAL To .95 MPM) [ [ [
(l f L l [ TABLE SC L VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 297.0 FT WIND DATA STABILITY CLASS G CLASS FREQUENCY (PERCENT) = 3.14 WIND DIRECTION FROM SPEED (NPN) N NNE NE ENE E ESE SE $$E S SSW SW WSV W WWW NW NNW VRBL TOTAL e CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 l (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 C3 7 2 8 5 5 4 12 2 7 3 2 2 2 3 5 9 0 78 f (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 r (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 C1 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 I ALL SPEEDS 22 3 9 8 8 6 25 20 18 21 13 14 16 19 25 44 0 271 I (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)sPERCENT OF ALL C000 OBSERVATIONS FOR THIS PAGE (2). PERCENT OF ALL C000 OBSERVATIONS FOR THIS PERIOD Cs CALM (WIND SPEED LESS THAN OR EQUAL TO .95 MPH)
p [ TABLE SH VERMONT YANKEE JAN 94
- DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 297.0 FT WIND DATA STABILITY CLASS ALL CLASS FREQUENCY (PERCENT) = 100.00 WINO DIRECTION FROM
{ N NNE NE ENE E ESE SE $$E C SSW SW WSW W WNW NW NNW VRSL TOTAL SPEED (MPH) 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 I (2) .00 .01 .02 .00 .00 .01 .02 .00 .00 .00 .01 .00 .00 .00 .00 .00 .00 .08 C3 176 136 132 119 121 152 216 131 110 56 40 26 37 43 61 113 0 1669 i (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 1.18 .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 .M 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 17 175 105 25 21 56 257 180 267 0 1444 (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 0 520 (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 4 CT 24 0 0 0 0 0 0 0 0 0 12 24 48 0 103 f (1) 16
.19 .00 .00 .00 .00 .00 .00 1
.01 .01 1
.00 1
.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 SPEEDS 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 GOOD OBSERVATIONS FOR THIS PAGE (2)= PERCENT OF ALL GOCD OBSERVATIONS FOR THIS PERIOD CJ CALM (WIND SPEED LESS THAN OR EQUAL To .95 MPM) L
I I I TABLE 6A I VERMONT YANKEE JAN 94 - DEC 94 kiETEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 35.0 FT WIND DATA tTABILITY CLASS A CLASS FREQUENCY (PERCENT) = 1.22 I WIND DIRECTION FROM SPEED (NPM) N NNE NE ENE E ESE SE SSE $ SSW SW WSW W WNW NW NWW VRBL TOTAL .I CALM 0 0
.00 .00 0
.00 0 0
.00 0
.00 .00 0 0
.00 0
.00 0
.00 0
.00 0
.00 0
.00 0
.00 0
.00 0
.00 0
.00 0
.00 (1) .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 .96 .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 .07 I 4-7 (1)
(2) 8 3 7.69 2.88 1.92
.09 .04 .02 2 0
.00
.00 0
.00 2
.02 2
.00 1.92 1.92 1.92
.02 2
.02 1
.96
.01 0
.00
.00 0
.00
.00 0
.00
.00 0
.00
.00 0
.00
.00 0
.00 14
.00 13.46
.16 0
.00
.00 34 32.69 40 8-12 11 1 0 0 0 1 0 3 0 1 0 1 6 4 5 21 0 54 (1) 10.58 .96 .00 .00 .00 .96 .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 .96 .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
,I (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
.00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 I
(1) .00 .00 .00 (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 All $PEEDS 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 .96 .00 .96 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 GOOD OBSERVATIONS FOR THIS PAGE (2)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PERIOD C3 CALM (WIND SPEED LESS THAN OR EQUAL TO .95 MPH) I l 26
I I
- I TABLE 6B VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 35.0 FT WIND DATA STASILITY CLASS B CLASS FREQUENCY (PERCENT) = 1.20 WIND DIRECTION FROM SPEED (MPN) N NNE NE ENE E ESE SE SSE $ 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 (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 W C-3 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 2 (1) .00 .00 .00 1.96 .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 4-7 7 1 1 0 2 2 3 7 1 0 1 0 0 0 2 13 0 40 (1) 6.86 .98 .98 .00 1.96 1.96 2.94 6.86 .98 .00 .98 .00 .00 .00 1.96 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
- I (1)
(2) 5.88
.07
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00 2.94 4.90 1.96
.00 .04 .06 .02
.98
.01
.00 3.92 1.96 5.88 16.67
.00 .05 .02 .07 .20
.00
.00 45.10
.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 1.96 .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 l (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 l l (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 l GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 l (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 to 8 2 2 0 6 5 10 33 0 102 (1) 14.71 .98 .98 1.96 1.96 1.96 2.94 9.80 7.84 1.96 1.96 .00 5.88 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) PERCENT OF ALL 000D CBSERVATIONS FOR THIS PAGE (2)= PERCENT OF ALL GOOD OBSERVAfl0NS FOR THIS PER100 I C2 CALM (WINO SPEED LESS inAN OR EQUAL 70 .95 MPH) 4
TABLE 6C VERMONT YANKEE JAN 94 DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY O!STRIBUTION 35.0 FT WIND DATA STABILITY CLASS C CLASS FREQUENCY (PERCENT) = 2.90 WIND DIRECTION FROM SPEE0(MPM) N NNE NE ENE E ECE SE SSE 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 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 .01 .00 .00 .01 .00 .00 .00 .00 .00 .00 .00 .08 47 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 48.18 (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 00CD OBSERVAfl0NS FOR TMis PACE (2)sPERCENT OF ALL GOOD OBSERVATIONS FOR THIS PERI @ C3 CALM (WIND SPEED LESS THAN OR EQUAL To .95 MPM)
I I I i I I TABLE 6D l !I g VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION l I 35.0 FT WIND DATA STASILITY CLASS D CLASS FREQUENCY (PERCENT) = 42.98 l WIND DIRECTION FROM i I SPEED (MPN) N NNE NE ENE E ESE SE SSE $ SSW SV WSW W WNW NW NNW VRSL TOTAL CALM 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 t (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 I } C-3 (1) (2) 69 49 51 53 51 1.89 1.34 1.39 1.45 1.39 1.20 1.26 1.53 1.18
.81 .58 .60 .62 .60 .52 44
.54 46
.66 56 43
.51 34
.40 43
.93 1.18
.51 28
.77
.33 28
.77
.33 34
.40 50
.93 1.37 2.21
.59 81
.95 0
.00
.00 760 20.78 8.93 I
f 47 (1) (2) 206 61 5.63 1.67 2.42 .72 28
.33 50
.59 83 107
.77 1.37 2.27 2.93 2.57 4.35 4.10 1.20
.98 1.26 1.10 1.87 1.76 94 159 150 44
.52 29
.79
.34 30
.35 48
.56 55 105 289
.82 1.31 1.50 2.87 7.90
.65 1.23 3.40 0
.00
.00 1538 42.04 18.07 8 12 2 33 184 29 70 153 116 154 0 1077 I
200 39 4 2 21 24 31 15 q (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 i (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 '! i I 13 18 33 2 0 0 0 0 0 1 25 4 3 1 16 66 88 30 0 269 l (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 .78 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 .0c .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 83 105 156 175 142 249 402 113 104 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)= PERCENT OF ALL 0000 OBSERVATIONS FOR THIS PACE I (2)=PiRCENT OF ALL 0000 OBSERVATIONS FOR THIS PERIOD l Ca CALM (WIND SPEED LESS THAN OR EQUAL To .95 MPM) l l o
E E TABLE 6E i l
' VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION
'35.0 FT WIND DATA STABILITY CLASS E CLASS FREQUENCT (PERCENT) = 32.06 WIND DIRECTION FROM SPEED (MPM) N NNE NE ENE E ESE SE SSE S $$W 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 C3 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 47 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 l (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 (1)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PAGE ! l (2)= PERCENT OF ALL 0000 OBSERVATIONS FOR TH!$ PERIOD C2 CALM (WIND SPEED LESS THAN OR EQUAL To .95 MPH) [
E TABLE 6F VERMONT YANKEE JAN 94 - DEC 94 E TEOR 0 LOGICAL DATA JOINT FREQUENCY DISTRIBUTION D.0 FT WIND DATA STABILITY CLASS F. CLASS FREQUENCY (PERCENT) = 14.52 WIND DIRECTION FRON SPEED (NPN) W NME NE ENE E ESE SE SSE S SSW SW WSW W WWW W NNW VR8L TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0. 1 [ (1)- (2)
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.08
.01
.00
.00
.00
.00
.00
.00
.00
.00
.00
.00
.08
.01 C-3 42 16 21 14 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 .96 .82 .00 12.68 47 5 1 0 0 1 2 1 5 12 13 25 10 17 16 22 21 0 151 (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 (2) .06 .01 .00 .00 .01 .02 .01 .06 .14 .15 .29 .12 .20 .19 .26 .25 .00 -1.77 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 .09 .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 - .30 .00 .00 .00 ,
l 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 1 (1)= PERCENT OF ALL GOOD OBSERVATIONS FOR THis PAGE (2)= PERCENT OF ALL 000D OBSERVATIONS FOR THIS PERIOD C3 CALM (WIND SPEED LESS THAN OR EQUAL To .95 MPN)
-31
[ i. I
q g TABLE 60 VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA JOINT FREQUENCY DISTRIBUTION 35.0 FT WIND DATA STABILITY CLASS G CLASS FREQUENCY (PERCENT) = 5.11 WINO DIRECTION FROM SPEED (MPN) N NME NE ENE E ESE SE SSE $ SSW SW WSW W WWW W 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 .0C .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) .30 .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 I 13 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 l (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ' j (2) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 l 19 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 l (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 (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 5.96 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)= PERCENT OF ALL 0000 00$ERVAT10NS FOR THIS PAGE (2)= PERCENT OF ALL 0000 00 SERVAT 10NS FOR TNIS PERIOD C2 CALM (Wie SPEED LESS TNAN OR EeuAL 10 .95 MPN)
I I I TABLE 6H I VERMONT YANKEE JAN 94 - DEC 94 METEOROLOGICAL DATA J0!NT FREQUENCY O!STRIBUTION STABILITY CLASS ALL I 35.0 FT WIND DATA CLASS FREQUENCY (PERCENT) = 100.00 WIND DIRECTION FROM SPEED (MPH) N NNE WE ENE E ESE SE SSE S $$W SW WSW W WWW NW NNW VRBL TOTAL
= 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 .00 .01 .02 .01 .02 .00 .00 .14 C-3 220 125 118 109 115 121 133 178 210 284 471 360 301 310 314 345 0 3714 (1) 2.58 1.47 1.39 1.28 1.35 1.42 1.56 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 1.56 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 84 144 137 286 5 71 0 2856
'm (1) 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 33.56 (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 33.56 l 8 12 265 43 5 4 33 27 3 53 256 51 37 18 113 224 190 247 0 1569 ! (1) 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 (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 13-18 48 2 0 0 0 0 0 1 33 5 4 5 22 79 103 42 0 344 (1) .56 .C2 .00 .00 .00 .00 .00 .01 .39 .06 .05 .06 .26 .93 1.21 49 .00 4.04 -I (2) .56 .02 .00 .00 .00 .00 .00 .01 .39 .06 .05 .06 .26 .93 1.21 .49 .00 4.04 19-24 0 0 0 0 0 0 0 0 0 0 C 0 1 4 11 0 0 16 (1) .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .01 .05 .13 .00 .00 .19 .I (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 0 ,g (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 854 251 162 180 257 295 272 508 745 445 625 468 583 755 906 1205 0 8511 (1) 10.03 2.95 1.90 2.11 3.02 3.47 3.20 5.97 8.75 5.25 7.34 5.50 6.85 8.87 10.65 14.16 .00 100.00 (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 000D OBSERVATIONS FOR THIS PAGE (2)**ERCENT OF ALL GOOD OBSERVATIONS FOR THIS PERIOD C2 CALM (WIND SPEED LESS THAN OR EQUAL To .95 MPH) .I i I I I
APPENDIX A EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT Supplemental Information Third and Fourth Quarters, 1994 Facility: Vermont Yankee Nuclear Power Station Licensee: Vermont Yankee Nuclear Power Corporation IA. TECHNICAL SPECIFICATION LIMITS - DOSE AND DOSE RATE Technical Specification and Cateoory 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. Iodire 133. Tritium and Radionuclides in Particulate ;
Form With Half-tives 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. Liouids 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
\
t I ursso A-1
I i APPENDIX A (Continued) EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT 2A. TECHNICAL SPECIFICATION LIMITS - CONCENTRATION Technical SDecification and Category Limit
- a. Noble Gases No MPC Limits (No ECL Limits)
- b. Todine-131. lodine-133. Tritium and Radionuclides in Particulate Form With Half-Lives
=
Greater Than 8 Days No MPC Limits (No ECL Limits)
- c. Licuids 3.8.A.1 Total fraction of MPC (ECL) excluding noble gases '
(10CFR20. Appendix B. Table II, Column 2): I 11.0 3.8.A.1 Total noble gas concentration: 12E-04 pCi/cc
- 3. AVERAGE ENERGY Provioed below are the average energy (E) of the radionuclide mixture in releases of fission and activation gases, if applicable. l
- a. Average gamma energy: 3rd Quarter 8.00E-01 MeV/ dis l 4th Quarter 8.10E-01 MeV/ dis l
- b. Average beta energy: Not Applicable
- 4. MEASUREMENTS AND APPROXIMATIONS OF TOTAL RADI0 ACTIVITY Provided below are the methods used to measure or approximate the total
' {
radioactivity in effluents and the methods used to determine radionuclide composition, man A-2
APPENDIX A (Continued) { EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT
- a. Fission and Activation Gases Continuous stack monitors monitor gross Noble Gas radioactivit'y I released from the plant stdek. Total Noble Gas release rates are I calculated using this monitor. To determine the isotopic breakdown -l of the release, samples are taken of the Steam Jet Air Ejector. l
(' ' 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 j gross releases determined from the stack monitor to quantify the individual isotopic releases. These are indicated in Table IB and the totals of Table IA. The error involved in these steps may be approximately 1100 percent. l [ Iodines b. Continuous isokinetic samples are drawn from the plant stack through ( a particulate filter and charcoal cartridge. The filters and i cartridges are normally removed weekly and are analyzed for l 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.
uno A-3
l l l APPENDIX A (Continued) l EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT Monthly, samples from drums that were issued burn permits are sent I 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. l The waste oil samples are liquid effluents that end up as a gaseous ground level release. I
- e. Licuid Effluents I 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. Fcr each batch, station records are retained of the total activity (mci) released, concentration (pCi/ml) of gross radioactivity, volume (liters), and approximate total quantity of water (liters) used to dilute the liquid effluent prior to release I to the Connecticut River.
I 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 I analyzed for Sr 89, Sr-90, and Fe-55.
- 5. BATCH RELEASES
- a. Liouid i There were no routine liquid batch releases during the reporting j period.
- b. Gaseous There were no routine gaseous batch releases during the reporting period.
l _ A., I
l APPENDIX A (Continued) EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT
- 6. ABNORMAL RELEASES
- a. Liouid There were no nonroutine liquid releases dLring the reporting !
period. b. I Gaseous ! l l There were no nonroutine gaseous releases during the reporting ) period. E I 'I 5 I I i I i u rsso A-5 l
[ APPENDIX B
. LIQUID HDLDUP TANKS Reauirement: Technical Specification 3.8.D.1 limits the quantity of F radioactive material contained in any outside tank. With the L
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.I. Response: The limits of Technical Specification 3.8.0.1 were not exceeded e during this reporting period. -- L e r L [ [ [ f [ [ [ { l a m so C-1
( APPENDIX C RADI0 ACTIVE LIOUID EFFLUENT MONITORING INSTRUMENTATION Reauirement: Radioactive liquid effluent monitoring instrumentation channels [ are required to be operable in accordance with Technical 4 Specification Table 3.9.1. If an inoperable radioactive liquid effluent monitoring instrument is not returned to operable status ( prior to a release pursuant to Note 4 of Table 3.9.1, an explanation in the next Semiannual Effluent Release Report of the e reason (s) for delay in correcting the inoperability are required [ per Technical Specification 6.7.C.1. r Resoonse: Since the requirements of Technical Specification Table 3.9.1 L governing the operability of radioactive liquid effluent monitoring instrumentation were met for this reporting period, no response is required. r b ( [ ( ntuo C-1
k APPENDIX D H RADI0 ACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATION l _ Reauirement: Radioactive gaseous effluent monitoring instrumentation channels j 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 in the next Semiannual Effluent Release Report of the reason (s) 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. L F L_ E [ . E urue D-1 4
{ APPENDIX E RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM
'Reauirement: The radiological environmental monitoring program is conducted in p accordance with Technical Specification 3.9.C. With _ milk samples L' no longer available from one or more of the sample locations 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 h the new location (s) for obtaining available replacement samples and (3) include revised ODCM figure (s) and ' table (s) reflecting the new location (s). Response: 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. u h [ [ [- l urus E-1
APPENDIX F r LAND USE CENSUS L Reauirement: A land use census is conducted in accordance with Technical Specification 3.9.D. With a land use census identifying a { location (s) which yields at least a 20 percent greater dose or dose commitment than the values currently being calculated in [ Technical Specification 4.8.G.1, Technical Specification 6.7.C.1 requires the identification of the new location (s) in the next Semiannual Effluent helease Report. f L Response: The Land Use Census was completed in the third quarter of 1994. No locations yielded a 20 percent greater dose or dose commitment than the values currently being calculated in Technical Specification 4.8.G.I. E s E [ E [ [ [ [ unso F-1
{ APPENDlX G PROCESS CONTROL PROGRAM L Recuirement: Technical Specification 6.12.A.1 requires that licensee initiated r changes to the Process Control Program (PCP) be submitted to the L Commission in the Semiannual Radioactive Effluent Release Report for the period in which the change (s) was made. Response: There were no licensee initiated changes to the Process Control Program during this reporting period. L E E E L l L r u l l E uno G-1
b b) ,, APPENDIX H~ OFF-SITE DOSE CALCULATION MANUAL Reauirement: Technical Specification 6.13.A.1 requires that licensee initiated changes to the Off-Site Dose Calculation Manual (ODCM) be submitted to the Commission in the Semiannual Radioactive Effluent Release Report for the period in which the change (s) was {- made effective. ResDonse: .There were no licensee-initiated changes to the Off-Site Dose b, Calculation Manual during this reporting period. [- [L I l [; j 4 [ [ E. [ E- [ E g uruo H-1
' p _ _ _ . . _ _ _ _ _ - __ _ _ . - . . _ _ . _ _ _ _ . _ . -
( APPENDIX I RADI0 ACTIVE LIQUID, GASEOUS, AND SOLID WASTE TREATHENT SYSTEMS Recuirement: Technical Specification 6.14.A requires that licensee initiated r major changes to the radioactive waste systems (liquid, gaseous. L 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 submitted to the Commission as part of the periodic FSAR update as permitted per Technical Specification 6.14.A. [ e r L [ [ [ [ { j unso I-1
I APPENDIX J ON SITE DISPOSAL OF SEPTIC WASTE Reavirement: Off-Site Dose Calculational Manual. Appendix B requires that the dose impact due to on-site disposal of septic waste during the reporting year and from previous years be reported to the I Commission in the Semiannual Radioactive Effluent Report filed after January 1 if disposals occur during the reporting year. Response: There was one on-site disposal of septic waste during the reporting year. The total volume of septage spread was approximately 12,000 gallons. The total activity spread on the 1.9 acres (southern) on-site disposal field during 1994 and from previous years was: Nuclide Activity (Ci) Mn-54 2.66E-07 Co-60 1.28E-05 Zn-65 3.99E-07 Cs-134 5.70E-08 Cs-137 2.30E-06 The projected hypothetical dose from on-site disposals of septic waste is 1.16E-02 mrem / year. This dose was calculated according to the model and the assumptions of Off-Site Dose Calculational Manual, Appendix 8. I I uno J-1 I}}