ML20010E980
| ML20010E980 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 06/30/1981 |
| From: | VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | |
| Shared Package | |
| ML20010E967 | List: |
| References | |
| NUDOCS 8109090223 | |
| Download: ML20010E980 (53) | |
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(p.)bL> VEIO10NT YANKEE NUCI. EAR POWER CORPORATION 1
1 VElulONT YANKEE NUCl. EAR POWER STATION :
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EFFLUENT AND WASTE DISPOSAL SD!I-A:'NUAL l REPORT l
RADIOLOGICAL IMPACT ON MAN FOR JANUARY - JUNE, 1981 VERMONT YANKEE NUCLEAR POWER STATION G
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TABLE OF CONTENTS
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1.0 INTRODUCTION
.................................................. 1
, 2.0 METEOROLOGICAL DATA........................................... 2 3.0 RADIOACTIVITY CELEASES........................................ 3 3.1 Liquid Releases.......................................... 3 3.2 Gaseous Releases......................................... 3 r 4.0 DOSE ASSESSMENT............................................... 4 4.1 Organ Doses to Individuals from Receiving-Water j Ex po s ure Pa thwa y s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4.2 Individual Whole-Body and Skin Doses from Noble C3seous Effluents........................................ 4 l
4.3 organ Doses to Individuals from Radioactive Iodine and Particulates in Caceous Effluents.................... 7 4.4 Whole-Body Doses in Unrestricted Areas from Direct Radiation......................................... 9 4.5 Whole-Body Doses to the General Population from all Receiving Water Related Pathways......................... 10 4.6 Dases to the General Population and Average Individual within Fifty Miles from Gaseous Effluents................ 10 RE/ERENCES......................................................... 12 1
i FIGURES............................................................ 13-14 ,
i TABLES............................................................. 15-44 APPE NDIX A - SUPPLEMENTAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Al 1
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LIST OF FIGURES Figure No. Title .
g: 1A Vermont. Yankee January-March, 1981
'#. Upper IAvel Wind Rose i 1B Vermont Yankee April-June, 1981 Upper Level Wind Rose k
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I LIST OF TABLES Table No. Title a
lA Gaseous Effluents - Summation of all Releases
- j. ~ IB Gaseous Effluents - Elevated Releases L
1C Gaseous Effluents - Routine Ground Level Releases 1
1D Gaseous Effluents - Non-Routine Releases 2A Liquid Effluents - Summation of all Releases 3 Solid Waste and Irradiated Fuel Shipments l 4-A to 4-11 Vermont Yankee Joint Frequency Distribution January - March, 1981
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5-A to 5-H Vermont Yankee Joint Frequency Distribution April - June, 1981 6 Quarterly t.verage X/Q and D/Q Values for Selected Receptors l
7 Summary of Radiclogical Impact on Man l
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' VERMONT YANKEE EFFLUENT AND WASTE DISPOSAL SEMI-ANNUAL REPORT RADIOLOGICAL IMPACT ON MAN JANUARY - JUNE, 1981 g
1.0 INTRODUCTION
Using actual measured effluent and meteorologica, data for the first half of 1981, this_ report estimates potential doces from radioactive effluents that could affect individuals and the general pspulation near the Vermont Yankee Nuclear Power Station. Tables 1 through 3 list the recorded radioactive effluents and solid waste for this semi-annual period.
Tables 4 and 5 report the cumulative joint frequency distribution of wind speed, wind direction, and atmospheric stability observed during the first half of 1981. Figures 1A and IB summarize wind speed and direction in a wind rose. Table 6 lists the calculated X/Q and D/Q values at different points of interest based on the meteorological record presented in Tables 4 and 5 for both quarters. Table 7 summarizes the potential radiological dose comnitments to iadividuals and the general population surrounding the plant. Supplemental information concerning the plant's regulatory release limits and the methods used in measuring released radioactivity is given in Appendix A.
All estimatas of potential dose for the first half of 1981 were within the dose objectives set forth in Appendix I to 10CFR50. This was accomplished while the plant realized net capacity factors (design MWe)
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s of 92.82 percent and.94.81 percent for the first and second quarters,.
respectively.
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2.0 MZTEOROLOGICAL DATA
- Meteorological data was collected during this reporting period from the site's 300 foot met tower located approximately 2200 feet northwest t
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) and is designed to meet the requirements of Regulatory Guide 1.23 for meteorological monitoring >
Combined data recoverability for the first and second quarters was 91.06 percent and 86.13 percent rer,pectively.
X/Q and D/Q values were derived for all receptor points from the site meteorological record for each quarter using a straight-line airflow model. All dispersion and air concentration factors have been calculated employing appropriate source configuration considerations, as described in Rcgulatory Guide 1.111(I), plus a source depletion model as described in Meteorology and Atomic Energy (1968),(2) and deposition velocities as given by Pelletier and Zimbrick(3). Changes in terrain elevations in the site environment were also factored into meteorologics1 models. A full description of the methods used to evaluate air dispersion phenomenon at the plant site is given 3.n Vermon- Yankee's 10CFR Part 50, Appendix I evaluation (4).
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e-3.0 RADIOACTIVITY RELEASES 3.1 Liquid Releases There were no liquid releases of radioactivity from the plant curing this semi-annual period.
4 3.2 Caseous Releases All gaseous effluent recorded for the first ha? f of the year are listed in Tables 1A through 1D. All gaseous effluents were recorded as continuous in nature, and were released to the environment via the 94 meter stack located approximately 875 feet north of the Reactor Building. As indicated in Table 1A, all gaseous effluents were well within the plants operating Tecnnical Specification for gaseous releases of radioactivity.
In addition, there were no unplanned or non-routine releases of radioactivity in gaseous effluents during this reporting period.
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~4.0 DOSE ASSESSMENT Following the guidance of NUREG-0473(7), nuclides in particulate form which were not detected above the lower limit of detection, (LLD) have been reported as "less than" the LLD and have not been included in the dose calculations. Howe'rer, the release rate of noble gases from the plant stack, after treatment of the gas stream from the air ejector through the augmented off-gas system, is so low that co r.oble gases are detectable above the LLD.
i Therefore, as a conservative approach for the noble gas releases, it has been arsumed for dose calculational purposes that the principal noble gases l
l measured in the off gas mix at the air ejector are present at the LLD level i
determined for the plant stack.
4,1 Organ Doses to Individuals from Receiving-Water Exposure Pathways
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j Yankee during the firse half of 1981. As a result, no receiving water i
exposure pathways could contribute to any whole-body or organ doses to i
individuals in unrestricted areas.
I 4.2 Individual Whole-Body and Skin Doses from Noble Caseous Effluents i.
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Based on the method of sector averaging discussed in "!!eteorology ,
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-- and Atomic Energy - 1968", and utilizing the site meteorological data recorded for this reporting period, the point of maximum off-site ground t
level air concentration of' radioactive materials in gaseous effluents was
. determined for each quarter. Terrain height in the vicinity of the effluent stack was taken into account in calculating these effluent ground level
. concentrations. For the first half of 1981, the points of maximum ground i
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level air concentration were both determined "to be approximately WNW at I
2400m of the plant stack. ~The undepleted X/Q's at this location were
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3 3 calculated to be 4.25 x 10~7 sec/m and 6.53 x 10-7 sec/m for#first and second quarters of the year, respectively.
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Whole-body and skin doses were calculated at these. off-site points as a result of noble gas releases occurring in both' quarters. The
! methodology applied to the dose calculationa is consistent with that of i
Regulatory Guide 1.109(5) for an elevated release point. Dose conversion l
factors for noble gases and daughters were taken from Table B-1 of this l
Regulator- ; Guide. For the beta contribution to the skin dose, a semi-infinite cloud model was used. The whole-body gamma dose was evaluated using l
l a finite cloud sector average model with Caussian activity distribution in the vertical plane. The gamma radiation received at a point of interest from a differential volume of the cloud is calculated. The radiation is then integrated over the entire cloud, taking into account of the geometry of the cloud, variation in concentration, attenuation by the interaction of photons with matter in the path between source and the receptor point, and scattering of radiation from material outside the direct path to the point of interest. An~ attenuation factor of 0.7 is also applied to the L
dose calculations to account for the dose reduction due to shielding which
! . .would be provided by a residential structure. No' additional credit is taken for decay of radionuclides in transit to the-receptor point.
I For the first quarter, the skin and whole-body doses from exposure
.to nobic gases at the point of maximum ground levet air concentration were calculated to ne 0.059 mrem and 0.024' arem, respectively. .For the noble gaseous ef fluent during the second quarter, the skin and whole-body doses i"
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at the point of maximum ground level air concentration were calculated to
! be 0.089 drem and 0.033 arem, respectively.
, The resultant doces due to noble gas effluents for the maximum site boundary location, maximum nearest resident, and point of maximum ground level air concentration are tabulated in Table 7. .All doses are conservative l
' in that they assume 100 percent occupancy at cach point. Whole-body' doses
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l consider the gamma radiation received from the effluent plume overhead.
The skin doses considers both the beta and gamma contributions at the i receptor point. All doses from noble gaseous effluents are well below the j dose criteria of 10CFR50, Appendix 1.
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. 4.3 Organ Doses to Individuals' from Radioactive Iodine and Particulates If =
,- in Careous Effluents
. The critical pathway of internal exposure to radioactive iodine ,
and particulates, including tritium, resulting from gaseous effluents for 4
-the second quarter is through the grass-milk pathway. It ir assumed that
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i milk animals are free to graze on open pasture during the second quarter ;
with no supplemental feeding. This assumption is conservative since most of the milk animals inventoried in the site vicinity are fed stored feed l
l throughout the entire year with only limir" , grazing allowed during the {
growing season.
During the winter months of the year, the dose commitment through h~ the milk pathway and fresh vegetable ingestion is insignificant. The maximum length of annual growing season is approximately six months long in this part of New England. Therefore, the milk pathway and vegetable ingestion-doses for the fitat quarter are the result of activity deposited on feed and vegetables grown during the growing s:ason and allowed to decay while
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radioactive iodine and particulates during the first quarter is through ,
inhalation.
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As a result of the milk and fresh vegetable pathways, the maximum dose for'the second quarter from gaseous releases of radioactive iodine i i
and particulates was determined to occur at a farm 1.9 miles west-northwest of the plant. The critical organ was a child's thyroid with a calculated dose of 0.006 area. For the first quarter, with inhalation being the ;
principle pathway of exposure, the maximum organ dose was projected to be L % _ _ _ ,- ._ _.
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p-at s' farm SSE, 3.5 miles. The critical organ wac a child's thyroid with a: calculated dose of 0.0012 mrem. The pathways of exposure which were assumed to exist during the second quarter at this farm iaclude ground plane.
. exposure, it.halation, fresh home grown vegetables and cow's milk. The pathways of exposure considered at the farm during the first quarter include i
continuous ground plane exposure, inhalation and contributions from stored vegetables and milk.
Table 7 shows the maximun calculated quarterly organ dose due to-the combination of exposures from all pathways which have been identified at the farm. Table 7 aise shows the calcelated organ doses to the highest exposed nearby resident, and potential organ doses to individuals if assumed standing at the highest ground level air concentration point on the site boundary for the entire six-month reporting period. The site boundary doses include only exposure from inhalation, and direct radiation from the ground plane. The nearest resident is assumed to have a vegetable garden during t!.e growing season which contributes to his or her ingestion dose. For all ground plane exposures, the accivity is assumed to accumulate or. the ground for 15-years at the rate equivalcat to that observed during each quarter. This is a simplified method of approximating the average deposition over the life of the plant. The calculated dose from direct exposure to activity on-the ground thus represents the dose an individual would see in each quarter if the plant had been operating 15 years. This approach e
is very conservative, but shows the relative impact the plant would-have on the dose commitment over its operating life if the releases were to ,
continue at the levels recorded during this reporting period.
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pr 4.4 Whole-Body Doses in Unrestricted Areas from Direct Radiation The major source of direct radiation (including sky shine) 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 e
'of the adjacent reactor building, only the seven westerly' sectors (SSW -
NNW) see any significant direct radiation.
Higi 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 4
direct radiation over each three month period was determined by considering l .the quarterly gross megawatts generated. -Field measurements of exposure, in units of Koentgen, where modified by multiplying by G.6 to obtatt whole body dose equivalents, in units of rem, in accordance with recommendations
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of RASL report 305(6) for radiation fields resulting from N-16 photons.
Estimates of the population exposure from oirect radiation during a
the f'rst i and second quarters have been made out to two milcs. Be'ond j two
. miles, the dose from the turbine building is negligible. As a reralt, the estimated population dose for each of the two quarters respectively was approximately 1 9 x 10-2 and 2.0 x 10-2 Ferson-rem, for a total population of about 351 persons. The estimated direct radiation dose at the maximum ;
site boundary location was approximately 3.5 miem for the first quarter of 1982, and 3.6 mrem for the second. These hypotheticcl individual dosas l
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assume a 100 percent occupancy factor, taking no credit for the shielding effect of any residential structure. Table 7 summarizes these results.
4.5 Whole-Body Doses to the General Population from all Receiving Water Related Pathways e
There were no routine or accidental liquid releases from Vermont Yankee.during the first half of 1981. As a result, no receiving water exposure ' pathways could contribute to any population doses.
4.6 Doses to the General Population and Average Individual Withia Fifty Miles from Gaseous Effluents Using site meteorological data in Tables 4 and 5, quarterly average X/Q values were determined for each sector formed by placing radiat. rings from the plant at distances of one, two, three, four, five, ten, twenty, thirty, forty and fifty miles, and their intersection with radial lines drawn to form each of ti.e sixteen principal compass directions. For noble gases, whole-body and skin dos'es were calculated for each sector and multiplied by the estimated population within each s'.ttor to determine the sector person-rem. No credit for decay in transit of activity was assumed.
0 For the approximately 1.1 x 10 people within fifty miles of the ,
. plant, the first and second quarter whole-body doses from noble gas cloud exposure were estimated to be 0.81 person-rem and 0.78 person-rem, respectively. For the same two quarters, the average individual whole-body doses were 7.1 x 10-4 mrem and 6.8 x 10-4 mrem, respectivery. The skin doses for the two quarters were 1.6 person-ree and 1.5 person-rem,
-3 respectively, and the average individual skin Jose waa 1.4 x 10 and 1.3 s
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x-10-3 mrem, respectively.
- v. n Table 7 also indicctes' the population whole-body and thyroid dose l
~ commitments from radioactive iodine and particulates (including tritium) released from the plant in gaseous waste. The pathways of exposure which
- , have been considered for the 50 mile population include inha1.ation, ingestion of vegetables, milk and meat produced within 50 miles, and the direct
. exposure to activity deposited on the ground plane. The total whole-body and thyroici dose commitments for the first quarter were both calculated to be 1.3 x 10-2 person-rem. 'For the seco*1d quarter, these doses were 6.0 x 10-3 person rem and 1.7 x 10-2 person-rem respectively.
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s REFERENCES 1.- Regulatory Guide 1.111, " Methods for Estimating Atnospheric Transport and.Dispersd.on of Caseous Effluents in Routina Releases from Light-Water-Cooled Reactois", U.S. Fuclear Regulatory Commission, Office of Standards Development, March 1976.
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. 2. Meteorology and Atomic EnerFv,1968, Seccio'n 5-3.2.2, " Cloud Depletion",
pg. 204. U. S. Atomic Energy Commission, July 1968.
- 3. C. A. Pelletier, and J. D. Zimbrick, " Kinetics of Environmental Radioiodine Transport Through the Mllk-Food Chain", Environmental Surveillance in the -Vicinity of Nuclear Facilities, Charles D. Thomas Publishers, Springfield, Illinois, 1970.
- 4. " Supplemental Information for the Purposes of Evaluation of 10CFR Part 50, Appendix I", Vermont Yankee Nuclear Power Corporation, June 2, 1976.
- 5. Regulatory Guide .. 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, Office of Standards Development, Revision 1, October 1977.
- 6. W. M. 'Lowder, P. D. Raf t, and G. dePlanque Burke , " Determination of i N-16 Gamma Radiation Fields at BWR Nuclear Power Stations", Health and Safety Laboratory, Energy Research & Development Administration, Report lo. 305, May 1976.
- 7. NUREG-0473, " Radiological Effluent Technical Specifications for BWR's",
Revision 2, July 1979; Table 4.11-1, notation f.
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STAD'LITY CLASS ALL WIND SPEEB IN MPH J 2.3 - 3.4 I 3.5 - 4.5
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_1 4.6 - 5.7 6.3 - 11.2 11.3 - 15.7 l~l 15.8 - 22.4 l i 22.5 - 29.1 I 29.2 - 40.3 l l CY 40.3 H M4
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l SENSOR LEVELS WIND SPEED = L'HR DIRECTION
- UPPER DELTA TEMP = UPPER VERP0HT YAM (EE e4ee t est-es/ 3e41 MIss!ns m . 3eJ.
FIGURE IB: VERMONT YANKEE APRIL-JUNE, 1981 UPPER LEVEL WIND ROSE
b A TABLE 1A VERMONT YANKEE EFFLQENT AND k'ASTE DISPOS'AL SEMI' ANNUAL REPORT JANUARY - JUNE 1981
, :) CASEOUS EFFULENTS - SUMMATION OF ALL RELEASES 4
Unit Quarter Quarter Est. Total 1 2 Error, %
A. Fission 6 activation gases Ci 7.86E+2 100
- 1. Total release 7.60E+2
- 2. Average release rate for period uCi/sec 9.67E+1 1.00E+2
- 3. Percent of technical specification limit % 1.25E-1 1.29E-1 B. Iodines
- l. Total iodine - 131 Ci 1.26E-4 I 3.38E-4 50
- 2. Average release rate for period uCi/see 1.60E-5 4.30E-5
- 3. Percent of technical specification limit % 3,34E-3 8.96E-3 j C. Particulates
- 1. Particulates with half-lives Ci 1.11E-3 5.30E-4 50
- 2. Averare release rate for period uCi/sec 1.41E-4 6.74E-5
- 3. Percent of technical specification limit % 1.C5E-2 1.31E-2
- 4. Gross alpha radioactivity 'Ci 1.43E-7 6.09E-8 D. Tritium
- 1. Total release Ci 8.20E0 3.44E0 50
- 2. Average release rate for period uCi/sec 1.04E0 4.38E-1
- 3. Percent of tecl'nical specification limit % N.A. N.A.
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TABLE IB VERMONT YANKEE EFil.UENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1981 GASEOUS EFFLUENTS - ELEVATED RELEASE CONTINUOUS MODE BATCH MODE *2
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1 2 1 2 Nuclides Released Unit Quarter Quarter Quarter Quarter
- 1. Fission gases Ci E E E krypton-85 *1. E *l. , .
krypton-85m Ci 8.72E0 1.01E+1 . E . E krypton-87 Ci 2.50E+1 2.75E+1 . E E krypton-88 Ci 2.41E+1 2.27E+1 . E E Ci 1.33E+1 1.43E+1 E E xenon-133 . .
xenon-135 Ci 4.82E+1 4.63E+1 . E E Ci 1.45E+2 1.51E+2 E E xenon-135m . .
5.14E+2 E xcnon-138 Ci 4.96E+2 , . E .
Others (specify) Ci . E . E . E . E Ci . E . E . E . E Ci . E . E . E . E Ci E E unidentified . E . E . .
Total for period Ci 7.60E+2 7.86E+2 . E E __
- 2. Iodines iodine-131 Ci 1.26E-4 3.38E 4 . E . E iodine-133 Ci 6.20E-5 1.68E-3 . E . E iodine-135 Ci 1.82E-3 < 1. 04E -2 . E . E Total for period Ci 2.01E-3 2.02E-3 . E . E
- 3. Particulates .
strontium-89 Ci 7.00E-6 4.28E-6 . E . E strontium-90 Ci 1.09E-6 9.83E-7 . E . E cesium-134 Ci 1.15E-5 <8.31E-5 . E . E .
cesium-137 Ci 2.60E-4 2.70E-4 . E . E barium-lanthanum-140 Ci 8.25E-5 <3.04E-4 '. E . E Ci 5.86E-4 2.60E-4 . E . E cobnit-60 zine-65 Ci 1.49E-4 <3.05E-4 . E . E manganese-54 Ci 2.18E-5 <1.14E-4 E , E Ci . E . E . E . E
- 1 Kr 85 - not detected in the of fgas mix - limit of detectability = 6.79 x 10-7pci/c.
- 2 No batch mode gaseous elevated releases for this period.
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' TABLE'lC VERMONT YANKEE EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT
. JANUARY - JUNE .1981 CASEOUS EFFLUENTS-GROUND-LEVEL RELEASES de There were no routine measured ground level continuous or batch mode gaseous releases during the reporting period. ,
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F ", ' VERMONT. YANKEE EFFLUENT AND WASTE ~ DISPOSAL SEMI-ANNUAL REPORT JANUARY - JUNE 1981 GASEOUS EFFLUENTS - NON-ROUTINE RELEASES-There' vere no non-routine or accidental gaseous effluents releasesduring the reporting ~ period.
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t TABLE 2A VERMONT YANKEE EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT
' JANUARY - JUNE'1981 LIQUID EFFLUENTS-SUMMATION OF ALL RELEASES There were.no. liquid effluent releases during the reporting period.
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' VERMONT. YANKEE EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT -
JANUARY - JUNE 1981
LIQUID EFFLUENTS l
There were no liquid effluent releases during the reporting period. .j
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TABLE 3 VERMONT YANKEE EFFLUENT AND WASTE DISPOSAL SE!!IANNUAL REPORT JANUARY - JUNE 1981-SOLID WASTE AND IRRADIATED FUEL SHIPMENTS A. SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL (Not irradiated fuel)
Unit 6-month Est. Total
- 1. Type of waste Period Error, %
- a. Spent resins, filter sludges, evaporator m3 8.13El Ci 6.52E2 75 bottoms, etc.
- b. Dry compressible waste, contaminated m3 1.55E2 Ci 4,13E0 75 equip, etc.
- c. Irradiated components, control m3 0.00E0 rods, etc. Ci 0.00E0 mo 0.00E0
- d. Other (describe) Ci 0.00E0
- 2. Estimate of major nuclide composition (by type of waste)
- a. 1.9El Zn-65 % 7.3E0 Cs-134 l %
Cs-137 l % 5.3El Co-60 % 1.6El Zr-95 % 3.2E-1 1-131 % 1.3E-1 Co-58 % 1.9E0 Ba-140 % 6.7E-3 Mn-54 % 2.lE0 Sb-124 % 2.4E-1
- c. % % .E X %
- d. % g .E
- 3. Solid Waste Disposition Number of Shipments Mode of Transportation Destination l
. 15 Truck Barnwell, S.C. l
~ l Truck Richland, Wash. l 4 Truck Beatty, Nev. l B. IRRADIATED FUEL SilIPMENTS (Disposition)
Number of Shipments Mode of Transportation Destination None
l VERMONT YAMIE JAHAR 1981 JOINT FREQlENCY DISTRIDUTI] (LPPER LEVEL) 297.0 FT WI@ DATA STABILITY CLASS A (IASS FREQlENCY (PERCENT) = .25 WIND DIRECTION FROM SPEED (FFH) N ME E EE E ESE SE SSE S SSW SW WSW WM W M VRDL TOTAL CALM 0 0 'O 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
. (1) 0.00 0.00 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 C-3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0,00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4-7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0-12 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 (1) 20.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0) 0.00 0.00 0.00 20.00 0.00 40.00 (2) .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 0.00 .10 13-18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20.00 0.00 0.00 20.00 (2) 0.000.000.000.000.000.(,00.000.000.000.000.000.000.000.00 .05 0.00 0.00 .05 19-24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 40.00 0.00 40.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .10 0.00 .10 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ALL SPEEDS 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 0 5 (1) 20.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20.00 60.00 0/K) 100.00 (2) .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 .15 0.00 .25 (1): PERCENT OF ALL 000D OB5ERVATIONS FOR THIS PAGE (2)=ffRCENT OF ALL GOOD DESERVATIONS FOR THIS PERIOD
+ C= CALM (WINL SFEED LESS THAN OR EQUAL TO .60 MPH) ,.
TABLE 4A 1
- f I
VERMONT YAREE JrHIAR 1981 JOINT FEQlENCY DISTR!DUTION (LFPER LEVEL) 297.0 FT WIND DATA STZILITY CLASS B CUE 3 FREQlENCY (PERCENT) = 1.42 WIND DIRECTION FROM SPEED (ffH) N ME E EE E ESE SE SSE S SSW SW WSW WM Mi N VRBL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (Il 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
. C-3 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0- 0 1 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.57 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.57 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 4-7 0 0 0 0 0 0 0 0 0 1 0 'O O O 1 0 2 (1) 0.00 0.A0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.57 0.00 0.00 0.00 0.00 3.57 0.00 7.14 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 0.00 0.00 0.00 0.00 .05 0.00 .10 0-12 1 0 0 0 0 1 0 3 0 0 0 0 0 0 0 4 0 9 (1) 3.57 0.00 0.00 0.00 0.00 3.57 0.00 10.71 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14.29 0.00 32.14 (2) .05 0.00 0.00 0.00 0.00 .05 0.00 .15 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .20 0.00 .46 13-18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 4 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14.29 0.00 0.00 14.29 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .20 0.00 0.00 .20 19-24 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 3 0 6 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.57 0.00 7.14 10.71 0.00 21.43 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 0.00 .10 .15 0.00 .30 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 0 6 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14.29 7.14 0.00 21.43 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .20 .10 0.00 .30 ALL SIEEDS 1 0 0 0 0 1 0 3 0 1 1 0 1 0 10 10 0 28 (1) 3.37 0.00 0.00 0.00 0.00 3.57 0.00 10.71 0.00 3.57 3.57 0.00 3.57 0.00 35.71 35.71 0.00 100.00 (2) .05 0.00 0.00 0.00 0.00 .05 0.00 .15 0.00 .05 .05 0.00 .05 ,).v0 .51 .51 0.00 1.42 (ll= PERCENT OF ALL 000D OBSERVATIONS FOR THIS PAGE i
(2)=ffFCENT OF ALL GOOD OBSETWATIONS FOR THIS PERIOD
+ C- CALM (WIND SFEED LESS THAN OR EQUAL TO .60 MPH)
TABLE 4B t
I
VEMONT Yale'EE JUHb.1..a JOINT FEQtENCY DISTRIDllTIC (LPPER LEVEL)
'297.0 FT WIND DATA STABIl!TYCLASSC CLASS FREQE NCY (PERCENT) = 2.95 WIND DIRECTION FROM SPEED (ifH) N ME E EE E ESE SE SSE $ SSW SW WSW WM 16l feel VRBL TOTAL
, CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 C-3 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 2 (1) 0.00 0.00 0.00 0.00 1.72 0.00 0.00 0.00 0.00 1.72 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.45 (2) 0.00 0.00 0.00 0.00 .05 0.00 0.00 0.00 0.00 .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .10 4-7 0 1 2 1 0 1 0 2 0 0 0 0 0 0 2 2 0 !!
(1) 0.00 1.72 3.45 1.72 0.00 1.72 0.00 3.45 0.00 0.M 0.00 0.00 0.00 0.00 3.45 3.45 0.00 18.97 (2) 0.00 .05 .10 .05 0.00 .05 0.00 .10 0.00 0.00 0.00 0.00 0.00 0.00 .10 .10 0.00 .56 8-12 0 0 0 0 0 1 0 4 2 0 0 0 0 1 6 1 -0 15 (1) 0.00 0.00 0.00 0.00 0.00 1.72 0.00 6.90 3.45 0.00 0.00 0.00 0.00 1.72 10.34 1.72 0.00 25.86 (2) 0.00 0.00 0.00 0.00 0.00 .05 0.00 .20 .10 0.00 0.00 0.00 0.00 .05 .30 .05 0.00 .76 13-18 0 0 0 0 0 0 0 0 0 0 0 1 0 2 3 7 0 13 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.72 0.00 3.45 5.17 12.07 0.00 22.41 (2) 0.00 0.00 0.00 0.00 0.00 0.0C 0.00 0.00 0.00 0.00 0.00 .05 0.00 .10 .15 .36 0.00 .66 19-24 0 0 0 0 0 0 0 0 0 0 0 0 3 1 6 3 0 13 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 5.17 1.72 10.34 5.17 0.00 22.41 (2) 0.00 0.00 0.00 0.00 '0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .15 .05 .30 .15 0.00 .66 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 4 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 6.90 0.00 0.00 6.90 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .20 0.00 0.00 .'20 ALL SPEEDS 0 1 2 1 1 2 0 6 2 1 0 1 3 4 21 13 0 58 (1) 0.00 1.72 3.45 1.72 1.72 3.45 0.00 10.34 3.45 1.72 0.00 1.72 5.17 6.90 36.21 22.41 0.00 100.00 (2) 0.00 .05 .10 .05 .05 .10 0.00 .30 .10 .05 0.00 .05 .15 .20 1.07 .66 0.00 2.95 (1)= PERCENT OF ALL GOOD OBSEFVATIONS FOR THIS PAGE (2) fERCENT OF ALL 0000 OB5ERVAT!0f6 FOR THIS PERIOD
+ C= CALM (WIND SPEED LESS THAN OR EQUAL TO .60 MPH)
TABLE 4C
- e. .
VERFOIT YAPICEE JAfHIAR 1981 JOINT FREQlENCY DISTRIDUTION (LFPER LEVEL) 297.0 FT WIND DATA STABILITY CLASS D CLASS FREQlENCY (PERCENT) = 46.29 WIND DIRECTION FROM SFEED(ifH) N l#E lE EDE E ESE SE SSE S SSW SW WSW WM IN leiW VRBL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
. (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 C-3 3 6 4 2 6 8 19 1 4 3 2 0 1 5 6 6 0 76 (1) .33 .66 .44 .22 .66 .88 2.09 .!! .44 .33 .22 0.00 .11 .55 .66 .66 0.00 8.34 (2) .15 .30 .20 .10 .30 .41 .97 .05 .20 .15 .10 0.00 .05 .25 .30 .30 0.00 3.86 4-7 7 2 2 7 5 11 14 11 3 3 1 6 9 13 26 16 0 136 (1) .,/ .22 .22 .77 .55 1.21 1.54 1.21 .33 .33 .!! .66 .99 1.43 2.85 1.76 0.00 14.93 (2) .36 .10 .10 .36 .25 .56 .71 .56 .15 .15 .05 .30 .46 .66 1.32 .81 0.00 6.91 8-12 16 0 1 2 14 8 14 24 11 8 8 14 56 48 33 50 0 307 (1) 1.76 0.00 .!! .22 1.54 .88 1.54 2.63 1.21 .8C .88 1,54 6.15 5.27 3.62 5.49 0.00 33.70 (2) .81 0.00 .05 .10 .71 .41 .71 1.22 .56 .41 .41 .71 2.85 2.44 1.68 2.54 0.00 15.60 13-18 5 0 0 0 0 0 7 11 7 1 2 9 40 78 31 45 0 236 (1) .55 0.00 0.00 0.00 0.00 0.00 .77 1.2i .77 .!! .22 .99 4.39 8.56 3.40 4.94 0.00 25.91 (2) .25 0.00 0.00 0.00 0.00 0.00 .36 .56 .36 .05 .10 .46 2.03 3.96 1.58 2.29 0.00 !!.99 19-24 0 0 0 0 0 0 0 0 2 0 1 3 14 30 25 37 0 !!2 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .22 0.00 .11 .33 1.54 3.29 2.74 4.06 0.00 12.29 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .10 0.00 .05 .15 .71 1.52 1.27 1.83 0.00 5.69 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 3 9 12 20 0 44 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .33 .99 1.32 2.20 0.00 4.63 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .15 .46 .61 1.02 0.00 2.24 ALL SPEEDS 31 8 7 11 25 27 54 47 27 15 14 32 123 183 133 174 0 911 (1) 3.40 .83 .77 1.21 2.74 2.96 5.93 5.16 2.96 1.65 1.54 3.51 13.50 20.09 14.60 19.10 0.00 100.00 (2) 1.58 .41 .36 .56 1.27 1.37 2.74 2.39 1.37 .76 .71 1.63 6.25 9.30 6.76 S.84 0.00 46.29 (1)= PERCENT OF ALL 600D OBSERVATION 3 FOR THIS PACE (2)=FERCENT OF ALL 0000 OBSERVATI(ftS FOR THIS PERIOD
+ C= CALM (WIND SPEED LESS THAN OR EQUAL TO .60 hPH)
TABLE 4D o .
VERMONT YAl#IE JWHmR 1781 JOINT FREQtENCY DISTRIDUTION (LPPER LEVEL)
-297.0 FT WI 2 l%TA STABILITY CLASS E CLASS FREQlENCY (PERCENT) = 32.52 WIND DIRECTION FROM 5 FEED (MPHI N NPE If EE E ESE SE SSE S SSW SW ilSil WM W M VRIL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 C-3 9 5 7 3 13 14 14 5 4 6 4 2 5 8 20 13 0 132 (1) 1.41 .78 1.09 .47 2.03 2.19 2.19 .78 .63 .94 .63 .31 .78 1.25 3.13 2.03 0.00 20.63 (2) .46 .25 .36 .15 .66 .71 .71 .25 .20 .30 .20 .10 .15 .41 1.02 .66 S.00 6.71 4-7 16 2 3 4 3 10 22 22 7 4 5 5 8 9 28 56 0 204 (1) 2.50 .31 .47 .63 .47 1.56 3.44 3.44 1.09 .63 .78 .78 1.25 1.41 4.38 8.75 0.00 31.88 (2) .81 .10 .15 .20 .15 .51 1.12 1.12 .36 .20 .25 .25 .41 .46 1.42 2.85 0.00 10.37 8-12 12 1 1 2 2 9 18 17 8 0 1 4 19 !! 17 67 0 188 (1) 1.88 .!6 .16 .31 .31 1 25 2.81 2.66 1.25 0.00 .16 .63 2.97 1.72 2.66 10.47 0.00 29.38 (2) .61 .05 .05 .10 .10 .41 .91 .86 .41 0.00 .05 .20 .97 .56 .86 3.40 0.00 9.55 13-18 1 0 0 0 1 4 2 1 5 1 0 1 8 7 11 34 0 76 (1) .16 0.00 0.00 0.00 .16 .63 .31 .16 .78 .16 0.00 .16 1.25 't.09 1.72 5.31 0.00 11.88 (2) .05 0.00 0.00 0.00 .05 .20 .10 .05 .25 .05 0.00 .05 .41 .36 .56 1.73 0.00 3.86 19-24 0 0 0 0 0 0 0 3 6 0 0 0 0 0 2 13 0 24 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .47 .94 0.00 0.00 0.00 0.00 0.00 .31 2.03 0.00 3.75 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .15 .30 0.00 0.00 0.00 0.00 0.00 .10 .66 0.00 1.22 GT 24 0 0 0 0 0 0 0 1 14 0 0 0 0 0 1 0 0 16 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .16 2.19 0.00 0.00 0.00 0.00 0.00 .16 0.00 0.00 2.50 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 .71 0.00 0.00 0.00 0.00 0.00 .05 0.00 0.00 .81 ALL SPEEDS 38 8 11 9 19 36 56 49 44 11 10 12 40 35 79 183 0 440 (1) 5.94 1.25 1,72 1.41 2.97 5.63 8.75 7.66 6.88 1.72 1.56 1.88 6.25 5.47 12.34 28.Si v.(0 100.00
. (2) 1.93 .41 .56 .46 .97 1.83 2.85 2.49 2.24 .56 .51 .61 2.03 1.78 4.01 9.30 0.00 32.52 (1):FERCENT OF ALL 0000 OBSERVATIONS FOR THIS PAGE (2):FERCENT OF ALL 000D OB5LRVAT10NS FOR THIS PERIOD
+ C= CALM (WIND SPEED LESS THAN LE EQUAL TO .60 MPH)
TABLE 4E l
I i
i
. VEMONT Yale:EE JAfHIAR 1981 JOINI FREQlENCY DISTRIDUT!0fi (UPPER LEVEL) l STABILITY CUGS F CLASS FREQUENCY (PERCENT) = 13.72 297.0 FT WIND DATA l WIND DIRECTION FROM SPEED (!fH) N 10E NE DE E ESE SE SSE S SSW SW WSW W I4W W 16N VRBL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0' 0 0 0 0.00 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9 3 3 2 9 7 2 5 2 0 2 8 12 14 0 88 C-3 7 3 (1) 2.59 3.33 1.11 1.!! 1.!! .74 3.33 2.59 .74 1.85 .74 0.00 .74 2.96 4.44 5.19 0.00 32.59 (2) .36 .46 .15 .15 .15 .10 .46 .36 .10 .25 .10 0.00 .10 .41 .61 .71 0.00 .4.47 7 2 4 2 5 3 16 28 0 111 4-7 2 2 0 1 4 , 19 12 (1) .14 .74 0.00 .37 1.48 1.43 7.04 4.44 2.59 .74 1.4P .74 1.85 1.11 5.93 10.37 0.00 41.!!
(2) .10 .10 0.00 .05 .20 .20 .97 .61 .36 .10 .20 .10 .25 .15 .81 1.42 0.00 5.64 0 0 0 0 3 3 7 3 0 1 0 3 7 9 28 0 64 6-17 0 (1: 0.00 0.00 0.00 0.00 0.00 1.11 1.11 2.59 1.11 0.00 .37 0.00 1.11 2.59 3.33 10.37 0.00 23.70 (2) 0.00 0.00 0.00 0.00 0.00 .15 .15 .36 .15 0.00 .05 0.00 .15 .36 .46 1.42 0.00 3.25 0 0 0 0 0 0 0 0 0 0 0 0 2 4 0 7 13-18 1 0 (1) .37 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .74 1.48 0.00 2.59 (2) .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .70 .20 0.00 .36 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19-24 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 GT 24 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0v 0.00 10 11 3 4 7 9 31 26 12 7 7 2 10 18 39 74 0 270 ALL SPEEDS (13 3.70 4.07 1.!! 1,48 2.59 3.33 11.43 9.63 4.44 2.59 2.59 .74 3.70 6.67 14.44 27.41 0.00 100.00 O! .51 .56 .15 .20 .36 .46 1.58 1.32 .61 .36 .36 .10 .51 .91 1.90 3.76 0.00 13.72 (ll= PERCENT OF ALL 000D OBSERVATIONS FOR THIS PAGE (2):PERENT OF ALL 600D OBSERVATIONS FOR THIS FERIOD
+ C= CALM (WIrID 5 FEED LESS THAN OR EQUAL TO .60 MPH)
TABLE 4F e,
4
+
e P
- .
4
VDMONT YAf0(EE JAfHIAR 1981 JOINT FREQlDICY DISTRIDllT!D (LPPER LEVEL) 297.0 FT W!le DATA STAPILITY CLASS G CLASS FREQUENCY (PERCDIT) = 2.85 WIND DIECTION FRWI SPEED (fFH) N PSE E EE E ESE SE SSE S SSW SW WSW WM MI M VRBL TOTAL CAU( 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
. (1) 0.00 0.00 0.00 0.00 0.0L ,.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 C-3 1 1 1 3 1 0 3 0 0 0 0 1 4 2 4 2 0 23 (1) 1.79 1.79 1.79 5.36 1,79 0.00 5.36 0.00 0.00 0.00 0.00 1.79 7.14 3.57 7.14 3.57 0.00 41.07 (2) .05 .05 .05 .15 .05 0.00 .15 0.00 0.00 0.00 0.00 .05 .20 .10 .20 .10 0.00 1.17 4-7 0 0 0 2 0 2 3 2 1 0 0 0 1 3 6 5 0 25 (1) 0.00 0.00 0.00 3.57 0.00 3.57 5.36 3.57 1.79 0.00 0.00 0.00 1.79 5.36 10.71 8.93 0.00 44.64 (2) 0.00 0.00 0.00 .10 0.00 .10 .15 .10 .05 0.00 0.00 0.00 .05 .15 .30 .25 0.00 1.27 8-12 0 0 0 0 0 0 0 1 0 0 0 0 0 1 2 2 0 6 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.79 0.00 0.00 C.00 0.00 0.00 1.79 3.57 3.57 0.00 10.71 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .C5 0.00 0.00 0.00 0.00 0.00 .05 .10 .10 0.00 .30 13-18 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 (1) 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 1.79 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.79 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0. N .05 19-24 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.79 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.79 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.C0 .05 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ALL SFEEDS 1 1 1 5 1 2 6 4 2 0 0 1 5 6 12 9 0 56 it) 1.79 1.79 1.79 8.93 1.79 3.57 10.71 7.14 3.57 0.00 0.00 1.79 8.93 10.71 21.43 16.07 0.00 100.(0 (2) .05 .05 .05 .25 .05 .10 .30 .20 .10 0.00 0.00 .05 .25 .30 .61 .46 0.00 2.85 (1)= PERCENT Or HLL 000D O MERVATIONS FOR THIS PAGE
'2)=FERCENT 0 ALL GOOD OISERVATIONS FOR THIS PERIOD
+ C= CALM (WIND SFEED LESS TMN OR E9)AL TO .60 MPH) ,
TABLE 4G 1
s
VERMONT Yale (EE JAN-MAR 101 J0lNT FREQLENCY DISTRIDUTION (LFPER LEVEL) 297.0 FT Wile DATA STABILITY CLASS ALL CLASS FREQUENCY (PERENT) = 100.00 WIND DIRECTION FROM SFEED(lFH) N PSE E EE E ESE SE SSE S SSW SW WSW W WNW NW fe4 VRBL 10TAL CAU1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
. (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 C-3 20 21 15 11 24 24 45 13 10 16 8 3 12 23 42 35 0 322 (1) 1.02 1.07 .76 .56 1.22 1.22 2.29 .66 .51 .81 .41 .15 .61 1.17 2.13 1.78 0.00 16.36 (2) 1.02 1.07 .76 .56 1.22 1.22 2.29 .66 .51 .81 .41 .15 .61 1.17 2.13 1.78 0.00 16.36 4-7 25 7 7 15 12 28 58 49 18 9 !! 13 23 28 78 108 0 489 (1) 1.27 .36 .36 .76 .61 1.42 2.95 2.49 .91 .46 .56 .66 1.17 1.42 3.96 5.49 0.00 24.85 (2) 1.27 .36 .36 .76 .61 1.42 2.95 2.49 .91 .46 .56 .66 1.17 1.42 3.96 5.49 0.00 24.85 8-12 30 1 2 4 16 21 35 56 24 8 10 18 78 68 67 153 0 591 (1) 1.52 .05 .10 .20 .81 1.07 1.78 2.85 1.22 .41 .51 .91 3.96 3.46 3.40 7.77 0.00 30.03 (2) 1.52 .05 .10 .20 .61 1.07 1.78 2.85 1.22 .41 .51 .91 3.96 3.46 3.40 7.77 0.00 30.03 13-18 7 0 0 0 1 4 9 12 13 2 2 11 48 87 52 90 0 338 (t) .36 0.00 0.00 0.00 .05 .20 .46 .61 .66 .10 .10 .56 2.44 4.42 2.64 4.57 0.00 17.17 (2) .36 0.00 0.00 0.00 .05 .20 .46 .61 .66 .10 .10 .56 2.44 4.42 2.64 4.57 0.00 17.17 19-24 0 0 0 0 0 0 0 4 8 0 1 3 18 31 35 58 0 158 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .20 .41 0.00 .05 . .91 1.58 1.78 2.95 0.00 8.03 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .20 .41 0.00 .05 , .91 1.58 1.78 2.95' O.00 8.03 GT 24 0 0 0 0 0 0 0 1 14 0 0 0 3 9 21 22 0 70 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 .71 0.00 0.00 0.00 .15 .46 1.07 1.12 0.00 3.56 (2) 0.00 0.00 0.00 0.0v 0.00 0.00 0.00 .05 .71 0.00 0.00 0.00 .15 .46 1.07 1.12 0.00 3.56 ALL SPEEDS 82 29 24 30 53 77 147 135 87 35 32 43 182 246 295 466 0 1968 (1) 4.17 1.47 1.22 1.52 2.69 3.91 7.47 6.86 4.42 1.78 1.63 2.44 9.25 12.50 14.99 23.68 0.00 100.00 (2) 4.17 1.47 1.22 1.52 2.69 3.91 7.47 6.86 4.42 1.78 1.63 2.44 9.25 12.50 14.97 23.68 0.00 100.00 (1)= PERCENT OF ALL 000D OBSERVATIONS FOR 1H4S PAGE (21=FERCENT Cf ALL GOOD OBSERVATIONS FOR THIS FERIOD
+ C: CALM (WIND SFEED LESS THAN OR EQUAL TO .60 MPH)
TABLE 4H v - -e
VERMONT YMEE APR-JM 1981 JOINT FREGLENCY DISTRIBUTION (lh ER LEVEL) i 297.0 FT WIM) DATA STABILITY CLASS A CLASS FREQUENCY (PERCENT) = 1.22 )
l WIND DIRECTION FROM SFTED(!fM) - N 10E lE ENE E ESE SE SSE S SSW SW WSW WM El N VRBL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.(C 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00-C-3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0. M 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 C.00 0.00 0.00 0.00 0.00 '.00 0.00 0.00 0.00 0.00 0.00 0.(C 4-7 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 2 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.35 4.35 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 S.70 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .11 8-12 1 0 0 0 0 2 1 4 0 0 0 0 0 0 0 0 0 8 (1) 4.35 0.00 0.00 0.00 0.00 8.70 4.35 17.39 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 34.78 (2) .05 0.00 0.00 0.00 0.00 .!! .05 .21 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.CC 0.00 .43 13-18 1 1 0 0 0 0 0 1 2 0 0 0 1 0 1 3 0 10 (1) 4.35 4.35 0.00 0.00 0.00 0.00 0.00 4.3'i 8.70 0.00 0.00 0.00 4.35 0.00 4.35 13.04 0.00 43.48 (2) .05 .05 0.00 0.00 0.00 0.00 0.00 .05 .!! 0.00 0.00 0.00 .05 0.00 .05 .16 0.00 .53 19-24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.(C 0.00 0.00 4.35 0.00 4.35 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 0.00 .05 6* 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.70 0.00 8.70 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .11 0.00 .!! ,
ALL SFTEDS 2 1 0 0 0 2 1 6 3 0 0 0 1 0 1 6 0 23 (1) 8.70 4.35 0.00 0.00 0.00 8.70 4.35 26.09 13.04 0.00 0.00 0.00 4.35 0.00 4.35 26.09 0.00 100.00 (2) .!! .05 0.00 0.00 0.00 .11 .05 .32 .16 0.00 0.00 0.00 .05 0.00 .05 .32 0.00 1.22 l
(1)= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PAGE (2)=FERCENT OF ALL C00D OBSERVATIONS FOR THIS FLRIOD
, C= CALM (WIND 5 FEED LESS THIN OR EQUAL TO .60 MFH)
TABLE SA L.
t-
VENO (T YAEEE APR-JM 1981 JOINT FilEQlENCY DISTRIBUTION (LPPERLEVEL) 297.0 FT WIIe DATA STABILITY CLASS B CLASS FREQUENCY (FERCENT) = 2.93 WIND DIRECTION FR0t1 SPEED (PPI) N 10E E EE E ESE SE SSE S SSW SW WSW W WNW !si NNW Vi@. TOTAL CAUL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 i . (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0C t.00 0.00 C-3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 (1) 0.00 0.00 a % 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.82 1.82 0.00 3.64 (2) 0.00 0.00 . 00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 05 0.00 .11 4-7 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 2 0 5 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 5.45 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.64 0.00 9.09 l (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .16 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .!! 0.00 .27 8-12 1 1 0 0 0 2 2 5 1 2 1 0 0 1 0 1 0 17 (1) 1.82 1.82 0.00 0.00 0.00 3.64~ 3.64 9.09 1.82 3.64 1.82 0.00 0.00 1.82 0.00 1.82 0.CC 30.91 (2) .05 .05 0.00 0.00 0.00 .!! .11 .27 .05 .11 .05 0.00 0.00 .05 0.00 .05 0.00 .90 13-18 0 0 0 0 0 0 0 0 5 0 0 0 1 2 4 8 0 20 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9.09 0.00 0.00 0.00 1.82 3.64 7.27 14.55 0.00 36.36 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .27 0.00 0.00 0.00 .05 .!! .21 .43 0.C4 1.06 19-24 1 1 0 0 0 0 0 0 0 0 0 0 1 0 3 2 0 8 (1) 1.82 1.82 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.82 0.00 5.45 3.64 0.00 14.55 (2) .05 .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 0.00 .16 .11 0.00 .43
GT 24 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 3 l () 1.82 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.82 1.82 0.00 5.45-(2) .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 .05 0.00 .16 ALL SFEEDS 3 2 0 0 0 2 2 8 6 2 1 0 2 3 9 15 0 55
- (1) 5.45 3.64 0.00 0.00 0.00 3.64 3.64 14.55 10.91 3.64 1.82 0.00 3.64 5.45 16.36 27.27 0.00 100.00 I (2) .16 .11 0.00 0.00 0.00 .!! .11 .43 .32 .11 .05 0.00 ~.11 .16 .43 .80 0.00 2.93 (1)=FERCENT OF ALL GOOD OBSERVATION 3 FOR THIS PAGE (2)=FERCENT OF ALL 000D OB!ERVATI0t6 FOR THIS FERIOD
+ C= C U (WIND SFEED LESS THAN OR E00AL TO .50 f1FH)
{
TABLE SB I
l L
VEMONT YAWEE APR-JM 1981 JOINT FREQlENCY DISTR 19tJT10N (UP!TR LEVEL) 297.0 FT WINfl DATA STABILITY CLASS C CLASS FREQlENCY (PERCENT) a 5.16 WIND DIRErT10N FROM SPEED (ift() N 10E E EE E ESE SE SSE S SSW SW WSW W WNW W I m VREL TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 CAut (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 0 0 2 0 1 0 0 0 '.. 1 0 0 0 8
. C-3 1 2 1 8.25 (1) '!.03 2.06 0.00 0.00 0.00 1.03 2.06 0.00 1.03 0.00 0.00 0.00 0.00 1.03 0.00 0.00 0.00 (2) .05 .11 0.00 0.00 0.00 .05 .11 0.00 .05 0.00 0.00 0.00 0.00 .05 0.00 0.00 0.00 .43 2 3 0 0 0 0 0 0 4 0 15 4-7 2 0 0 1 1 1 1 (1) 2.060.000.001.021.032.% 1.03 3.09 1.03 0.00 0.00 0.00 0.00 0.00 0.00 4.12 0.00 15.46 (2) .11 0.00 0.00 .05 .05 .11 .05 .16 .05 0.00 0.00 0.00 0.00 0.00 0.00 .21 0.00 .80 0 0 3 2 4 8 2 0 0 0 2 1 3 0 26 8-12 0 1 0 (1) 0.00 1.03 0.0^ 0.00 0.00 3.09 2.06 4.12 8.25 2.06 0.00 0.00 0.00 2.06 1.03 3.09 0.00 26.84 (2) 0.00 .05 0.00 0.00 0,00 .16 .11 .21 .43 .!! 0.00 0.00 0.00 .11 .05 16 0.00 1.38 2 0 0 0 0 1 7 0 0 0 0 1 1 9 0 24 13'18 3 0 (1) 3.09 2.06 0.00 0.00 0.00 0.00 0.00 1.03 7.27 0.00 0.00 0.00 0.00 1.03 1.03 9.28 0.00 24.74 (2) .16 .11 0.00 0.00 0.00 0.00 0.00 .05 .37 0.00 0.00 0.00 0.00 .05 .05 .48 0.00 1.28 0 0 0 0 0 0 1 0 0 0 0 1 5 3 8 0 19 19-24 1 (1) 1.03 0.00 v.00 0.00 0.00 0.00 0.00 1.03 0.00 0.00 0.00 0.00 1.03 5.15 3.09 8.25 0.00 l' 59 (2) .05 0.00 0.00 0.00 0.00 0.00 0.00 .05 0.00 0 00 0.00 0.00 .05 .27 .16 .43 0.00 1.01 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 0 5 GT 24 1 1.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.03 0.00 1.03 2.06 0.00 5.15 (1)
(2) .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 0.00 .05 .!! 0.00 .27 6 5 9 17 2 0 0 2 9 6 26 0 97 ALL SFEEDS 8 5 0 1 1 (1) 8.25 5.15 0.00 1.03 1.03 6.1? 5.15 9.28 17.53 2,06 0.00 0.00 2.06 9.28 6.19 26.80 0.00 100.00 (2) .43 .27 0.00 .05 .05 .32 .27 .48 .90 .11 0.00 0.00 .11 48 .32 1.38 0.00 5.!6 l
(1):FERCENT OF ALL GOOD OBe,ERVATIONS FOR THIS FAGZ (2): PERCENT OF ALL GCCD OBSERVATIONS FOR THIS PERIOD
+ C= CALM (WIND SPEED 'ESS THAN OR EQUAL TO .60 MPH)
TABLE SC u
', VEIMONI YAEEE APR-JM 19f1 JOINT FREQUENCY DISTRIBUTION (LPPER LEVEL) 297.0 FT WIND DA74 STABILITY CLASS D CLASS FREQlENCY (PERCENT) = 45.16 WIND DIRECf!0N FROM SP2EDifFH) N 18E lE EIE E ESE SE SSE S SSW SW WSW W WW IW IWW VRBL TOTAL CAUL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
~
(1) 0.00 0.00 0.00 0.00 0.00 0.Ce 0.00 0.00 0.00 0.00 0.0J 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.0v 0.00 0.00 0.00 0.00 0.00 0.Cc C-3 10 1 10 7 5 7 2 3 1 1 3 1 4 2 4 10 0 73 (1) 1.18 12 1.18 .62 .59 .82 .24 .59 .12 .12 .35 .12 .47 .24 .47 1.18 0.00 8.60 (2) .53 .05 .53 .37 .27 .37 .!! .27 .05 .05 .16 .05 .21 .!! .21 .53 0.00 3.88 4-7 10 6 7 4 10 17 18 33 23 5 1 8 3 5 8 74 0 182 (1) 1.18 .71 .82 .47 1.18 7.00 2.12 3.89 2.71 .59 .12 .94 .35 .5? .94 2.83 0.00 21.44 (2) .53 .32 .37 .21 .53 .90 .96 !.76 1.22 .27 .05 .43 .16 .27 .43 1.28 0.00 9.68 8-12 !! 2 1 2 4 4 !! 57 65 15 8 2 21 25 18 27 0 273 (1) 1.30 .24 .12 .24 .47 .47 1.30 6.71 7.66 .l.77 .94 .24 2.47 2.94 2.12 3.18 0.00 32.:5 (2) .59 .!! .05 .11 .21 .21 .59 3.03 3.46 .80 .43 .11 1.12 1.33 .96 1.44 0.0) 14.52 13-18 12 1 2 1 2 1 3 20 54 5 3 7 18 43 14 36 0 ^22 (1) 1.41 .12 .24 .12 .24 .12 .35 2.36 6.36 .59 .35 .82 2.12 5.06 1.65 4.24 0.20 26.15 (2) .64 .05 .!! .05 .!! .05 .!6 1.06 2.87 .27 .16 .37 .96 2.29 .74 1.91 0.00 11.81 19-24 5 1 0 0 0 0 0 0 11 2 0 0 8 16 12 20 0 75 (1) .59 .12 0.00 0.00 0.00 0.00 0.00 0.00 11.30 .24 0.00 0.00 .94 1.88 1.41 2.36 0.($ 8.83 (2) .27 . 05 0.00 0.00 0.00 0.00 0.00 0.00 .50 .11 0.00 0.00 .43 .65 .64 1.05 0.00 3.99 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 3 6 3 12 0 d (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .35 .71 .35 1.41 0.(C 2.83 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .16 .32 .16 .64 0.00 1.28
- . ALL SPEEDS 48 !! 20 14 21 29 34 115 154 28 15 18 57 97 59 129 0 849 (1) 5.65 1.30 2.36 1.65 2.47 3.42 4.00 13.55 18.14 3.30 1.77 2.12 6.71 11.43 6.95 15.19 0.00 100.Cc (2) 2.5 59 1.06 .74 1.12 1.54 f.81 6.12 8.19 1.49 .P0 .96 3,03 5.16 3.14 6.R6 0.00 45.16 (11= PERCENT OF ALL 000D OBSERVATIONS FOR THIS PAGE (2): PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PERIOD
+ C= CALM (WIND SPEED LESS THM OR E7JAL TO .60 MPH)
TA_BLE SD I
VERMONT YAEEE APR-AM 1981 JOINT FREQlENCY DISTRIBUTION (LFPER LEVEL) 297.0 FT WI 2 DATA STABILITY CLASS E C1. ASS FREQUENCY (PERCENT) = 31.33 WIND D! sCTION FROM SPEED (PFH) N ME E EE E ESE SE SSE S SSW SW WSW W WW NW NNW VRBL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (11 0.000.000.000.000.000.000.000.000.000.000.'00.000.000.000.000.000.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0. X 0.00 0.00 0.00 0.00 0.00 0.00 0.00 C-3 17 10 8 7 8 9 7 8 !! 3 3 1 4 3 8 8 0 115 (1) 2.89 1.70 1.36 1.19 1.36 1.53 1.19 1.36 1.87 .51 .51 .17 .68 .51 1.36 1.36 0.00 19.52 (2) .90 .53 .43 .37 .43 .48 .37 .43 .59 .16 .16 .05 .21 .16 .43 .43 0,00 6.12 4-7 7 0 2 0 4 7 33 32 21 7 5 4 4 3 6 40 0 175 (1) 1.19 0.00 .34 0.00 .68 1.19 5.60 5.43 3.57 4.19 .85 .68 .68 .51 1.02 6.79 0.00 29.71 (2) .37 0.00 .11 0.00 .21 .37 1.76 1.70 1.12 .37 .27 .21 .21 .16 .32 2.13 0.00 9.31 8-12 4 1 0 1 1 4 24 40 28 9 1 4 14 16 6 28 0 181 (1) .68 .!Y 0.00 .17 .17 .68 4.07 6.79 4.75 1.53 .17 .68 2.38 2.72 1.02 4.75 0.00 30.73 (2) .21 .05 0.00 .05 .05 .21 1.28 2.13 1.49 .48 .05 .21 .74 .85 .32 1.49 0.00 9.63 13-18 6 0 0 0 0 2 3 10 22 6 3 0 19 15 11 10 0 107 (1) 1.02 0.00 0.00 0.00 0.00 .34 .51 1.70 3.74 1.02 .51 0.00 3.23 2.55 1.87 1.70 0.00 18.17 (2) .32 0.00 0.00 0.00 0.00 .!! .16 .53 1.17 .32 .16 0.00 1.01 .80 .59 .53 0.00 5.69 19-24 1 0 0 0 0 0 0 0 2 0 0 0 4 3 1 0 0 !!
(1) .17 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .?4 0.00 0.00 0.00 .68 .51 .17 0.00 0.00 1.87 (2) .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .11 0.00 0.00 0.00 .21 .16 .05 0.00 0.00 .59 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.09 0.00 0.00 0.00 0.00 0.00 0.00 ALL SPEEDS 35 11 10 8 13 22 67 90 84 25 12 9 45 40 32 86 0 589 (1) 5.94 1.87 1.70 1.36 2.21 3.74 !!.38 15.28 14.26 4.24 2.04 1.53 7.64 6.79 5.43 14.60 0.00 100.00 (2) 1.86 .59 .53 .43 .69 1.17 3.56 4.79 4.47 1.33 .64 .43 2.39 2.13 1.70 4.57 0.00 31.33 (1)=FERCENT OF ALL GOOD OBSERVATIONS FOR THIS PACE (2)=FERCENT OF ALL 000D OBSERVATIONS FOR THIS FERIOD
+ C= CALM (WIND SPEED LESS THAN OR E00AL TO .60 MPH) .
TABLE SE VERMONT YAEEE FR-AM 1981 JOINT FREGENCY DISTRIBUTION (LPPER LEVEL) 297.0 FT WIND DATA STABILITY CLASS F CLASS FREQUENCY (PERCENT) = 12.55 WIND DIRECTION FROM SPEED (PFH) N NE E ENE E ESE SE SSE S SSW SW WSW W WPW NW NNW VRBL TOTAL CALM 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.0(. 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 C-3 10 5 6 3 5 11 12 4 9 5 1 4 4 3 2 11 0 95 (1) 4.24 2.12 2.54 1.27 2.12 4.66 5.08 1.69 3.81 2.12 .42 1.69 1.69 1.27 .85 4.66 0.00 40.25 (2) .53 .27 .32 .16 .27 .59 .64 .21 .48 .27 .05 .21 .21 .16 .11 .59 0.00 5.05 4-7 7 0 1 2 3 10 20 14 4 1 2 0 6 5 3 13 0 91 (1) 2.97 0.00 .42 .85 1.27 4.24 8.47 5.93 1.69 .42 .85 0.00 2.54 2.12 1.27 5.51 0.00 38.56 (2) .37 0.00 .05 .11 .16 .53 1.06 .74 .21 .05 .!! 0.00 .32 .27 .16 .69 0.(4 4.84 8-12 2 1 0 0 0 1 5 3 2 1 1 2 4 7 3 9 0 41 (1) .85 .42 0.00 0.00 0.00 .42 2.12 1.27 .85 .42 .42 .85 1.69 2.97 1.27 3.81 0.00 17.37 (2) .11 .05 0.00 0.00 0.00 .05 .27 .16 .11 .05 .05 .11 .21 .37 .16 .48 0.00 2.18 13-18 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 7 0 9 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .42 .42 2.97 0.00 3.81 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 .05 .37 0.00 .48 19-24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.CJ 0.00 0.00 0.00 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.(0 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ALL SPEEDS 19 6 7 5 8 22 37 21 15 7 4 6 14 16 9 40 0 236 (1) 8.05 2.54 2.97 2.12 3.39 9.32 15.68 8.90 6.36 2.97 1.69 2.54 5.93 6.78 3.81 16.95 0.00 100.00 (2) 1.01 .32 .37 .27 .43 1.17 1.97 1.12 .80 .37 .21 .32 .74 .85 .48 2.13 0.00 12.55 (1):FERCENT OF ALL GOOD OBSERVATIOPS FOR THIS PAGE
, (2): PERCENT OF ALL 000D OB3ERVAT10PG FOR THIS PERIOD
+ C: CALM (WIND SPEED LESS THAN OR EQUAL TO .60 MPH) n TABLE 5F
VERMONT YAM (EE APR-J!M 1Z1 JOINT FEGLENCY DISTRIBUT!] (LPPER LEVEL) 297.0 FT W!le DATA STABILITY CLASS G CLASS FREQlENCY (PERCENT) = 1.63 WIND DIRECTION FROM SPEED (PFH) N ME E EPF E ESE SE SSE S SSW SW WSW WM Md W VRSL TOTAL CALfl 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
. C-3 1 0 0 1 1 3 1 0 0 0 1 0 0 0 0 1 0 9 (1) 3.23 0.00 0.00 3.23 3.23 9.68 3.23 0.00 0.00 0.00 3.23 0.00 0.00 0.00 0.00 3.23 0.00 29.03 (2) .05 0.00 0.00 .05 .05 .16 .05 0.00 0.00 0.00 .05 0.00 0.00 0.00 0.00 .05 0.00 .48 4-7 1 0 0 0 0 2 4 0 1 0 2 0 1 0 4 0 0 15 (1) 3.23 0.00 0.00 0.00 0.00 6.45 12.90 0.00 3.23 0.00 6.45 0.00 3.23 0.00 12.90 0.00 0.00 43.39 (2) .05 0.00 0.00 0.00 0.00 .!! .21 0.00 .05 0.00 .11 0.00 .05 0.00 .21 0.00 0.00 .80 8-12 0 0 0 0 0 0 0 0 0 0 0 0 2 3 0 1 0 6 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 6.45 9.68 0.00 3.23 0.CC 19.35 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .11 .16 0.00 .05 0.00 .32 13-18 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.23 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.23
, (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .05 19-24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 GT 24 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ALL SKEDS 2 0 0 1 1 5 5 0 2 0 3 0 3 3 4 2 0 31 (1) 6.45 0.00 0.00 3.23 3.23 16.13 16.13 0.00 6.45 0.00 9.68 0.00 9.68 9.68 12.90 6.45 0.00 100.00 (2) .11 0.00 0.00 .05 .% .27 .27 0.00 .11 0.00 .16 0.00 .16 .16 .21 .11 0.00 1.65 (1)=FERCENT OF ALL 000D OBSERVATIONS FOR THIS PAGE (2)=FERCENT OF ALL 000D OBSERVAT!0K3 FOR THIS PERIOD
+ C= CALM (WIND SPEED LESS THAN OR EQUAL TO .60 MPH)
TABLE SG y
[
VERMONT YAEEE APR-JUN 1981 JOINT FREQLENCY DISTRIBUTION (UPPER LEVEL) 297.0 FT WIND DATA STABILITY CLASS ALL Ct h FREQUENCY (PERCENT) = 100.00 WIND DIRECTION FROM SFEED(PPH) N l#E E EE E ESE SE SSE S SSW SW WSW WM NW NMW VRBL TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 CALM 0 0 0 0
' 0.(C (1) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 31 24 17 22 9 8 6 12 9 15 31 0 302 C-3 39 18 24 18 19 (1) 2.07 .96 1.28 .96 1.01 1.65 1.28 .90 1.17 .48 .43 .32 .64 .43 .80 1.65 0.00 16.06 (2) 2.07 .96 1.28 .96 1.01 1.65 1.28 .90 1.17 .48 .43 .32 .64 .48 .80 1.65 0.00 16.06 13 10 12 14 13 21 83 0 485 4-7 27 6 10 7 18 38 76 86 51 (1) 1.44 .32 .53 .37 .96 2.02 4.04 4.57 2.71 .69 .53 .64 .74 .69 1.12 4.41 0.00 25.80 (2) 1.44 .32 .53 .37 .56 2.02 4.04 4.57 2.71 .69 .53 .64 .74 .69 1.12 4.41 0.00 25.80 69 0 552 8-12 19 6 1 3 5 16 45 113 104 29 11 8 41 54 28 (1) 1.01 .32 .05 .16 .27 .85 2.39 6.01 5.53 1.54 .59 .43 2.18 2.87 1.47 3.67 0.00 29.36 (2) 1.01 .32 .05 .16 .27 .85 2.39 6.01 5.53 1.54 .59 .43 2.18 2.87 1.49 3.67 0.(C 29.36 2 3 6 32 91 11 6 7 39 62 32 73 0 393 13-18 22 4 2 1 (1) 1.17 .21 .11 .05 .11 .16 .32 1.70 4.84 .59 .32 .37 2.07 3.30 1.70 3.83 0.00 20.90 (2) 1.17 .21 .11 .05 .11 .16 .32 1.70 4.84 .59 .32 .37 2.07 3.30 1.70 3.88 0.00 20.90 19-24 8 2 0 0 0 0 0 1 13 2 0 0 14 24 19 31 0 !!4 (1) .43 .11 0.00 0.00 0.00 0.00 0.00 .05 .69 .!! 0.00 0.00 .74 1.28 1.01 1.65 0.00 6.06 (2) .43 .11 0.00 0.00 0.00 0.00 0.00 .05 .69 .!! 0.00 0.00 .74 f.28 1.01 1.65 0.00 6.06 0 0 0 0 0 0 0 0 0 0 0 4 6 5 17 0 34 GT 24 2 (1) .11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .21 .32 .27 .90 0.00 1.81 (2) .!! 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 .21 .32 .27 90 0.00 1.81 ALL SFEEDS 117 36 37 29 44 88 151 249 281 64 35 33 124 168 120 304 0 1800 (1) 6.22 1.91 1.97 1.54 2.34 4.68 8.03 13.24 14.95 3.40 1.86 1.76 6.60 8.94 6.33 16.17 0.00 100.00 (2) 6.22 1.91 1.97 1.54 2.34 4.68 8.03 13.24 14.95 3.40 1.86 1.76 6.60 8.94 6.3816.17 0.(C 100.00 (11= PERCENT OF ALL GOOD OBSERVATIONS FOR THIS PAGE (2)= PERCENT CF ALL 000D OBSERVATIONS FOR THIS FERIOD
+ C= CALM (WIND SPEED LESS THAN OR EQUAL TO .60 MPHI TABLE 511
, , m. - _ - - . - . _ _ . . - . _ _ . .__.-_ --__m __ _. . . .. _ . . ._ ._..
TABLE 6 VERMONT YANKEE QUARTERLY AVERAGE X/Q, D/Q AND GA}DtA X/Q VALUES FOR SELECTED RECEPTORS January > June 1981 POINT OF INTEREST FIRST QUARTER SECOND QUARTER A. MIximum offsite ground Location: WNW 2400 Location: WNW 2400 level air concentration X/Q (undepleted)*: 4.25 x 10 p ters X/Q (undepleted): 6.53 x'10 p ters
-7 location X/Q (depleted)*: 4.22 x 10-7 X/Q (depleted): 6.51 x 10
-9 D/Q**: 1.02 x 10-9 D/Q: 1.34~x 10
- 2.37 x 10-7 Gamma X/q
- * 1.81 x 10-7 Gamma X/Q:
B. 'For whole body and skin d::ses from noble gases l' Maximum site boundary Location: SSE 0.53 Location: N 0.25miges location X/Q (undeplented): 1.79 x 10 gile X/Q (undepleted): 6.29 x 10
-9 X/Q (depleted): 1.79 x 10-8 X/Q (depleted): _6.29 x 10-11
- D/Q: 1.59 x 10-10 D/Q: 4.63 x 10 Gamma X/Q: 5.20 x 10-7 Gamma X/Q: '6.68 x 10-7 .,
2). Maximum nearest Location: SSE 1.3 m Location: S 0.33 mi i
residence X/Q (undepleted): 7.79x10gles X/Q (undepleted): 5.33x10ges
-9 X/Q (depleted): 7.78 x 10-0 X/Q (depleted): 5.33 x 10 6.29 x 10
-10 -II D/Q: D/Q: 5.08 x 10 2.72 x 10-7 -7 Gamma X/Q: Garma X/Q: 3.22 x 10
^
C. For organ doses-from iodine and particulates in gaseous effluents i 1) Maximum farm location Location': SSE 3.5 m location: WNW 1.9 m 4.78x10}1es X/Q (undepleted)- 2.91x10-}1es X/Q (undepleted): -7 X/Q (depleted): 2.86 x 10-7 X/Q (depleted):, .4.74 x 10 D/Q: 1.31 x 10-9 D/Q: 9.61 x 10-10 Gamma X/Q: 1.82 x 10-7 Gamma X/Q: 1.85 x 10-7
..- _ ___.. _ _ _ . . _ _ _ _. .'. . _ _ . _ . 7, ,
' ~
1ABLE 6 (continued)
POINT OF INTEREST FIRST QUARTER SECOND QUARTER
- 2) Maximum nearest residence Lo <.a tion : SSE 1.3 m Location: SSE '1.3agles X/Q (undepleted): '7.79x10gles X/Q'(undepleted): 6.38 x 10-
-0 X/Q (depleted): 7.78 x 10-8 X/Q (depleted): 6.36 x 10 6.29 x 10-10 -10 D/Q: D/Q: 4.83 x 10
-7' Gamma X/Q: 2.72 x 10-7 Gamma X/Q: 1.83 x 10
- 3) Maximum site boundary Locatior. SE 0.47 Location: SSE 0.53 giles location X/Q (undepleted): 1.61 x 10-giles X/Q (undepleted): 3.09 x 10
-8 X/Q (depleted): 1.60 x 10-8 X/Q (depleted): 3.09 x 10-
- ~
D/Q: 1.80 x 10-10 D/Q: 2.67 x 10 Gamma X/Q: 4.41 x 10-7 Gamma X/Q: 3.55 x 10-7
~* Depleted and undepletedX/Qs and Gamma X/Q are in units of sec./m3 2
- ' D21ta (D/Q) in units of 1/m
F e s TABLE 7
SUMMARY
OF RADIOLOGICAL IMPACT ON MAN Vermont Yankee Nuclear Power Station January - June, 1981 ESTIMATED FIRST ESTIMATED SECOND POTENTIAL PATHWAY OR TYPE OF EXPOSUR6 QUARTER DOSE . QUARTER DOSE COMMITMENT COMMIDfENT I. Maximum individual whole body and No liquid releases No liquid releases critica1' organ doses from receiving-water exposure pathways from liquid releases (mrem).
II.
A. Whole body and skin doses to k individuals exposed at point
? of maximum offsite ground level air concentration of radioactive noble gaseous effluents (at WNW, 2400m) (at WNW, 2400m)
-2 -2
- 1. Skin dose (mrem) 5.9 x 10 8.9 x 10 2.4 x 10-2 -2
- 11. Whole body dose (mrem) 3.3 x 10 B. Whole body and skin doses at maximum site boundary location from radioactive noble gaseous effluents (at SSE, 0.53 miles) (at N, 0.25 miles)
-2
- 1. Skin dose (mrem) 7.1 x 10 9.3 x 10~ ii. Whole body dose (mrem) 7.0 x 10~~ 9.2 x 10 C. Whole body and skin doses at maximum nearest residence from radioactive noble gaseous effluents. (at SSE, 1.3 miles) (at S, 0.33 miles)
- 1. ~ Skin dose (mrem) 4.3 x 10-2 4.5 x 10-2
- 11. Whole body dose (mrem) 3.6 x 10-2 4.4 x 10-2
+ .1
+ .,
c $ 'i a e TABLE 7 (continued)
G ESTIMATED FIRST ESTIMATED SECOND POTENTIAL PATHWAY OR TYPE OF EXPOSURE QUARTER DOSE QUARTFR DOSE COMMI'IMENT COMMITMENT-III. Organ doses to individuals from radioactive iodine and particulates in gaseous effluents (including tritium).
A. Maximum farm location Maximum individual whole body and organ doses from all pathways (at SSE, 3.5 miles) (at WNW, 1.9 miles) g
- 1. Bone (arem) 1.1 x 10-3~3 (child) 6.5 x 10-4 -3 (child)
- 11. Thy sid (mrem) 1.2 x 10 5.8 x 10 111. GI(LLI) (mrem) 1.2 x 10-3 ((child) 6.2 x 10-4 (infant)-
teen) iv. Whole body (mrem) 1.3 x 10-3child)
(child) 6.7 x 10 -4 ((child)
B. Critical organ doses to maximum nearest resident from the inhalation, ingestion and ground plane exposure of iodine and particulates (at SSE, 1.3 miles) (at SSE, 1.3 miles)
- 1. Bone. dose (mrem) 4.5 x 10-4 (child) 2.5 x 10-4 child) ii. Thyroid dose (mrem) 4.3 x ' n-4
-4 (child) 3.3 x 10 ~4 ((child) 111. CI(LLI) (mrem) 4.4 x 10 1.7 x 10 teen) iv. Whole body as critical organ 4.5 x 10-4 (child)
(child) 1.8 x 10-4 ((adult,' child)
(mrem) & infant)
, - _ _ . . . . - . _ . _ - - _ . . _ . _ . . -. . _ . . ~ . - _ _ _ _ . _ _ . _ _ . . _ . . . _ . , _ _ _ . , , , - , -
. . ;
,e r TABLE 7 (continued) ,
4 ESTIhATED FIRST- ESTIMATED SECOND POTENTIAL PATHWAY OR TYPE OF EXI'OSURE QUARTER DOSE QUARTER DOSE
- COMMITMENT . COMMITMENT E
C. - Organ doses to individuals at point of maximum ground level air concentration of gaseous effluents from inhalation and ground exposure of iodine and particulates (at WNW, 2400m) (at WNW, 2400m)
- 1. Bone dose (arem) 5.1x10j(all) 3.6x10j(all)'
- 11. Thyroid dose (arem) 6.8 x 10 '6.8 x 10 (child)
, iii. CI(LLI) (mrem) 6.5 x 10-4 (all) 4.5 x 10 (teen & adul't)
.$' iv. Whole body as critical organ (mrem) 6.5.x 10-4(teen (teen & adult)
& adult) -
4.5 x 10 (teen & adult)' .
.i D. Organ doses to individuals at point of maximum site boundary air concentration of gaseous.
effluents from inhalation and _.
ground exposure of. iodine and particulates (at SE, 0.47 miles) (at SSE,'O.53' miles)'
5
- i. Bone dose (mrem) 8.9 x.10-5 5 (all) 7.1 x 10 5,g,gg) ii. Thyroid dose (mrem) 9.5 x 10 l
111. GI(LLI) (mrem) 9.4 x 10-5 (all) 8.6 x 10-5 (child) 7.5 x 10 iv. Whole body as 9.3 x 10-5 all) ((all) 7.5 x 10-5 ((,11). ,11) critical organ
o a.
TABLE 7 (continued)
ESTIMATED FIRST ESTIMATED SECOND POTENTIAL PATHWAY OR TYPE OF EXPOSURE QUARTER DOSE QUARTER DOSE COMMITMENT COMMITMENT
.IV. Whole body doses to . individuals and
-populations in unrestricted areas from direct radiation from the facility.
.A. Maximum site boundary (mrem)
(west of turbine building) 3.5 3.6
-2 -2 bi B. Population dose (person-rem) 1.9 x 10 2.0 x 10 V. Whole body dose to the population from all receiving-water related pathways from liquid releases.
. (person-rem). No liquid releases No liquid releases
e .
TABLE 7 (continued)
ESTIMATED FIRST ESTIMATED SECOND POTEh"IIAL PATHWAY OR TYPE OF EXPOSURE QUARTER DOSE QUARTER DOSE COMMITMENT COMMITMENT VI.
A. Whole body doses to the population and average ind'vidual out to 50 miles from noble gaseous ef fluents
- 1. Whole body dose to population
( person-rem) 0.81 0.78
- 11. Average individual whole body -4 e dose (mrem) 7.1 x 10-4 6.8 x 10
$' iii. Skin dose to population (person-rem) 1.6 1.5 iv . Average individual skin dose
-3 (mren) 1.4 x 10-3 1.3 x 10 B. Organ doses to 50 mile popula-tion, and average individual, from inhalation, ingestion of milk, meat, and vegetables, and ground exposure to iodine and parti-4 cilstes in gaseous effluents
- 1. Thyroid population dose (person-rem) 1.3 x 10 -2 1.7 x 10~
ii. Average individcal thyroid 1.1 x 10
-5 1.5 x 10-5 dose (mrem) 111. Whole bod:r population dose (person-rem) 1.3 x 10-2 6.0 x 10-3 iv. Avecage individual whole body
-5 dose (mrem) 1.1 x 10 5.2 x 10
I. ,-
r l ' APPENDIX A l-EFFLUENT AND WASTE DISPOSAL SEMI-ANNUAL REPORT i
Supplemental Information January - June 1981 l
i.
L l
' Facility: Vermont Yankee Nuclear Power Station Licensee: Vermont Yankee Nuclear Power Corporation
- 1. Regulatory Limits
- a. Fission and activation gases: 0.08/E Ci/sec.
- b. Iodines: 0.48 uCi/sec.
- c. Farticulates, half-lives >8 days: 1.6 x 103MPC, Ci/sec.
\
l- d. Liquid effluents: 1 x 10~7 uCi/ml r
~
(HTO: 3 x 10-3 uCi/ml, dissolved Noble gases:
{ 4 x 10-5 uCi/ml). Isotopic limits are found i
! in 10CFR20 App. B, Table II, Column 2.
- 2. Maximum Permissible Concentrations Provided below are the MPC's used in determining. allowable release rates or concentrations.
i
- a. Fission and activation gases: No MPC limits l
-Al-l' l'
L -
-^: -** w w g../. _ ,, , _ _ _
4 .. _ _-
- c. -Particulates, half-lives >8 days: See 10CFR20, App. B, Table 11, Column 1
- d. Liquid effluents: See 10CFR20, App. B Table II, Column 2.
- 3. Average Energy Provided below are the average energy (E) of the radionuclide mixture in releases of fission and activation gasses, if applicable.
- a. Average. gamma energy: 1st Quarter 1.03 McV/ Dis.
2nd Quarter 1.03 MeV/ Dis.
- b. Average beta energy: Not Applicable
- 4. Measurements and Approximations of Total Radioactivity Provided below are the methods used to measure or approximate the tot.al radioactivity in effluents and the methods used to determine radionuclide composition.
- a. Fission and Activation Gases Daily samples are drawn at the discharge of the Air Ejector.
Isotopic breakdown of the releases are determined froi these samples. A logarithmic chart of the stack gas monitor is read
[ daily to determine the gross release rate. At the very low release e rates normally encountered during operation with the Augmented Off Cas system the error of release rates may be approximately
+ 100%.
-A2-
- b. lodines Continuous isokinetic samples are drawn from the plant stack through a particulate filter and charcoal cartridge. The filters l
- and cartridge are removed weekly (if releases are less than 4%
of the~ Tech Spec limit), or daily (if they are greater than 4%
of the limit), and are analyzed for radioiodine 131, 132, 133, i
134, and 135. The iodines found on the filter are added to those on the charcoal cartridge. The error involved in the6e steps i
! may be approximately +50%.
f c. Particulates The particulate filters described in b. above are also counted for particulate radioactivity. The error involved in this sample l
is also approximately +50%.
l t
I l d. Liquid Effluents l
l l Radioactive liquid effluents released from the facility are
(
j continuously monitored. Measurements are also made on a representative sample of.each batch of radioactive liquid effluents f released. For each batch, station mecords are retained of the total activity (mci) released, cancentration (uCi/ml) of gross radioactivity, volume (liters), and approximate total quantity l
l
- of water (liters) used to dilute the liquid effluent prior to l
release to the Connecticut River.
1
-A3-1 l
l
Each-batch of radioactive liquid effluent released 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 also analyzed for tritium, SR-89, SR-90, gross beta and gross alpha radioactivity, in addition to gamma spectroscopy. ,
" There were no liquia releases during the reporting period, s.
! 5. Batch Releases l a. Liquid l
l There were no routine liquid batch releases during the reporting
period.
- b. Gaseous There were no routine gaseous batch releases during the reporting period.
- 6. Abnormal Releases I'
l
- a. Liquid
-d There were no non-routine liquid releases during the reporting j -
period.
l
! b. Gaseous There were no non-routine gaseous releases during the reporting period.
-A4-
.