Text

Semiannual Effluent & Waste Disposal Rept for Operating Period,930701-1231
	ML20064C336
Person / Time
Site:	Summer
Issue date:	12/31/1993
From:	Gowdy G, Mathis D, Gabe Taylor; SOUTH CAROLINA ELECTRIC & GAS CO.
To:	; NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
	RC-94-0052, RC-94-52, NUDOCS 9403090302
	Download: ML20064C336 (87)
	v • d • e

_.

South Carolina Electric & Gas Company Gary J. Taylor Virgil C. Summer Nuclear Station General Manager P. O. Box 88 Nuclear Plant Operations l Jenkinsville. SC 29065 (803)345-4344 ASC?*enCompany February 25, 1994 Refer to: RC-94-0052

, U. S. Nuclear Regulatory Commission I

Document Control Desk Washington, DC 20555 Gentlemen:

l

Subject:

VIRGIL C. SUMMER NUCLEAR STATION l DOCKET N0. 50/395 l OPERATING LICENSE N0. NPF-12 SEMI-ANNUAL EFFLUENT AND WASTE l DISPOSAL REPORT (SA 300) l Enclosed is the South Carolina Electric & Gas Company (SCE&G) Semi-Annual Effluent and Waste Disposal Report as required by 10CFR50.36a, Sections 6.9.1.8 and 6.14.2 of the Virgil C. Summer Nuclear Station Technical Specifications, and Section 1.6.2 of the Offsite Dose Calculation Manual (0DCM).

Should there be any questions, please contact us at your convenience.

Very u yours, Gary a SBR: led Enclosure c: 0. W. Dixon R. R. Mahan (w/o attachments)

R. J. White S. D. Ebneter C. F. Wunder NRC Resident Inspector J. B. Knotts Jr.

NSRC RTS (SA300)

File (818.02-1) 070080 9403090302 931231 PDR ADOCK 05000395 '

@ NUCLEAR EXCELLENCE - A SIM4ER TRADITION! [

SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT FOR THE OPERATING PERIOD July 1,1993 - December 31,1993 I l

February 1994

\ V V. C. SUMMER NUCLEAR STATION SOUTH CAROLINA ELECTRIC AND GAS COMPANY I

Prepared by:

G. M. Gpwdy, 5 '/ anus l fhbi/)

IX L. Mathis, Staff H6alth Physicis(; Environmental Specialist {

l Reviewed and approved by:

YD W. R. Baehr, Manager 3

J. G. Dffikins, Supervisor Health Physics and Radiological Analytical Services Radwaste Services

)

SEMlANNUAL EFFLUENT AND WASTE DISPOSAL REPORT July - December,1993 Virgil C. Summer Nuclear Station South Carolina Electric & Gas This report is being submitted as a summary of quantities of radioactive liquid and gaseous effluents and solid waste released from the Virgil C. Summer Nuclear Station.

This report satisfies the requirements in Sections 6.9.1.8 and 6.14.2 of Technical Specifications, Section 1.6.2 of the Offsite Dose Calculation Manual (ODCM), and 10CFR50.36(a). Also included is an assessment of radiation doses from plant releases.

A brief discussion of the Supplemental Information and Tables 2 through 6 is presented in Sections A through D. An evaluation of the radiological impact on man due to operation of the Virgil C. Summer Nuclear Station is presented in Section E and Table 1. A summary of the meteorological data for 1993 is presented in Section F and Tables 7 and 8. No changes were made to the Offsite Dose Calculation Manual (ODCM) during the six month period.

A. SupplementalInformation Regulatory limits for doses and maximum permissib!e concentrations presented in Supplemental information are from the Virg!I C. Summer Nuclear Station Technical Specifications and 40 CFR 190. Average energy (E) is not a aplicable to the method for determining release rate limits for fission anc activation gaseous effluents; therefore, it has been omitted.

B. Gaseous Effluents Gaseous effluents released from ground level are summarized in Tables 2 and

3. An elevated release pathway does not exist at Virgil C. Summer Nuclear Station. Cumulative doses are discussed in Section E.

The errors for gaseous effluent totals are given as the square root of the sum of squares of counting errors and flow or volume measurement errors. A systematic error of 15% has been added to estimate total error.

C. Liquid Effluents Liquid effluents are summarized in Tables 4 and 5. Estimated total errors are expressed as in Section B above.

D. Solid Waste Shipments Solid waste shipments are summarized in Table 6. Curie content of radioactive waste packages is determined by dose rates and/or analysis of sarnples by gamma spectroscopy. The total error for each type of Curie content determination is conservatively estimated to be the sum of a 15% systematic error and a 20% photon response error for the detector used.

E. Radiological Impact on Man Potential doses to the maximum exposed individual in the unrestricted area I were calculated using measured plant gaseous effluent and meteorological data in accordance with the Offsite Dose Calculation Manual. The source term '

involved three (3) waste gas decay tank (WGDT) releases and a continuous six Page 1

SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT July - December,1993 Virgil C. Summer NuclearStation South Carolina Electric & Gas month main plant vent release. Doses are summarized in Table 1. The total activities released are presented in Tables 2 and 3. Air doses to the maximum exposed individual due to noble gases were 3.66E-6 and 3.37E-4 mrad for gamma and beta, respectively. The maximum organ dose attributed to the releases was O mrem for the six month period. Cumulative annual doses were 1.75E-2 mrad, 4.57E-2 mrad and 8.33E-2 mrem for gamma, beta and organ dose, respectively.

Measured plant liquid effluent data was used to calculate estimates of doses to individuals in accordance with the Offsite Dose Calculation Manual. The source term consisted of the isotopic contents of 100 Waste Monitor Tank batch releases, 3.6 days of Steam Generator Blowdown releases and a continuous Turbine Building Sump release. Doses are summarized in Table 1 and total radioactivity released is described in Tables 4 and 5. The total body dose to the maximally exposed individual due to the release of radioactive liquid was 1.49E-3 mrem. The maximum organ dose was 2.97E-3 mrem to the gastro intestinal tract / lower large intestine (GI LLI) during the six month period.

Cumulative annual doses for the hypothetical maximally exposed incividual were 2.40E-2 mrem and 3.35E-2 mrem for the total body and thyroid (maximum annual organ), respectively.

Dose rates and concentrations were below the limits specified in Supplemental Information, Section 2a, b and c during all the effluent releases.

Radiation doses from radioactive effluents to rnembers of the public due to their activities inside the site boundary were assessed in a manner different from that in the Offsite Dose Calculation Manual. Monthly thermoluminescent dosimetry data from eight (8) monitoring locations within the site boundary and ten (10) locations around the site boundary perimeter were analyzed and compared with respective pre-operational background and previous year history. Results showed that 1993 monthly dose rates did not differ significantly from the pre-operational or 1992 dose rates. It was concluded that doses to members of the public inside the site boundary were indistinguishable from normal background dose.

Radiation doses from radioactive effluents to workers at the Fairfield Hydro Station were calculated to be 1.72E-7 and 1.59E-5 mrad for gamma and beta, respectively. Annual cumulative doses were 8.23E-4 and 2.15E-3 mrad, respectively.

Radiation doses from nearby uranium fuel cycle sources were not assessed. The ODCM, Sections 1.3.1 and B/1.3 establish a five (5) mile limit beyond which doses from nearby plants are insignificant. There are no uranium fuel cycle plants within a five (5) mile radius of Virgil C. Summer Nuclear Station.

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SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT July - December,1993 Virgil C. SummerNuclearStation South Carolina Electric & Gas Table 1 GASEOUS AND LIQUID DOSES Third Quarter,1993 Fourth Quarter,1993 ODCM Section GASEOUS LIMITS Percent Percent Dose of Limit Dose of Limit 1.2.3.1 a,b 5 mrad gamma /qtr. 1.12E-6 mrad 2.25E-5 2.54E-6 mrad 5.08E-5 10 mrad gamma /yr. 1.75 E-1

1.75 E-1 *

(July - December total gamma air dose: 3.66E-6 mrad)

(January - December total gamma air dose: 1.75E-2 mrad) 1.2.3.1a,b 10 mrad beta /qtr. 1.16E-4 mrad 1.16 E-3 2.21 E-4 mrad 2.21 E-3 20 mrad beta /yr. 2.28 E-1

2.29 E-1 *

(July-December total beta air dose: 3.37E-4 mrad)

(January-December total beta airdose: 4.57E-2 mrad) 1.2.4.1a,b 7.5 mrem organ /qtr. O mrem 0 0 mrem 0 15 mrem organ /yr. 5.5 5 E-1

5.55 E-1 *

(July-December maximum exposed organ dose: 0 mrem)

(January-December maximum exposed organ dose: 8.33E-2 mrem)

LlOUID LIMITS i

1.1.3.1 a, b 1.5 mrem /qtr. 1.94E-4 mrem 1.29E-2 1.30E-3 mrem 8.67E-2 I 3.0 mrem /yr. 7.56 E-1

8.00 E-1 *

(July-December whole body dose: 1.49E-3 mrem)

(January-December whole body dose: 2.40E-2 mrem) 1.1.3.1a,b 5 mrem organ /qtr. 3.33E-4 mrem 6.66E-3% 2.64E-3 mrem 5.28E-2%

10 mrem organ /yr. 3.23 E-1

t 3.35 E-1

t (July-December maximum exposed organ dose: 2.97E-3 mrem)%

(January-December maximum exposed organ dose: 3.35E-2 mrem)t

Includes contribution from previous quarters.

% Maximum exposed organ for quarters 3 and 4 was the gastro-intestinal tract, lower large intestine (Gl LLI).

i The thyroid was the maximum exposed organ for quarters 1-3 and 1-4.

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SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT July - December,1993 VirgilC. SummerNuclear Station South Carolina Electric & Gas F. Meteorology The meteorology data for 1993 is summarized in Table 7 by quarter. The data are shown as joint frequency distributions c/

wind direction and s, peed by atmospheric stability class. Table si arovides the same information for those hours during whit.n aatch releases occurred. There were no batch releases during the first quarter.

The wind direction and wind speed data used in the summary were acquired from the 10 meter level of the primary monitoring tower. Stability was determined by the primary differential temperature (61 to 10 meter). During periods in which the primary indicator was not available, the secondary indicator (40 to 10 m differential temperature) was used.

The combined annual data recovery for wind direction, wind speed and stability was 94.5%. Primary variable recovery rates were as follows: wind direction (10 m)- 94.9%, wind speed (10 m)

- 94.9%, and differential temperature (61 - 10 m) - 82.9%. The wind direction (61 m), wind speed (61 m), and differential temperature (40 - 10 m) recovery rates were 94.7%, 94.7% and 94.0%, respectively.

l G. Offsite Dose Calculation Manual The Virgil C. Summer Nuclear Station (VCSNS) Offsite Dose Calcu-lation Manual (ODCM) was not revised during the affected six l month period.

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I SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT

'l j July - December,1993 4

VirgilC. SummerNuclearStation

\ South Carolina Electric & Gas SupplementalInformation i

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1. Regulatory Limits:

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a. Fission and Activation Gases:

l The air dose to an individual due to noble gases released in gaseous j effluents shall be limited to less than or equal to 5 mrad for gamma radiation and 10 mrad for beta radiation during any calendar quarter i and 10 mrad for gamma radiation and 20 mrad for beta radiation j during any calendar year (ODCM, Section 1.2.3.1).

i b. lodines, Particulates (half-lives > 8 days) and Tritium:

l The dose to an individual from radiciodines, tritium and radioactive materials in particulate form with half-lives greater than 8 days in

gaseous effluents shall be limited to less than or equal to 7.5 mrem to

any organ during any calendar quarter and 15 mrem to any organ

during any calendar year (ODCM, Section 1.2.4.1).

f c. Liquid Effluents:

! The dose or dose commitment to an individual from radioactive materials in liquid effluents released shall be limited to less than or equal to 1.5 mrem to the total body and 5 mrem to any organ during any calendar quarter and 3 mrem to the total body and 10 mrem to

} any organ during any calendar year (ODCM, Section 1.1.3.1).

d. All Sources:

j The annual dose equivalent shall not exceed 25 mrem to the whole l body,75 mrem to the thyroid and 25 mrem to any other organ (40

, CFR 190).

2. Maximum Permissible Concentrations:

l ,

i a. Fission and Activation Gases:

}

^ The dose rate in unrestricted areas due to radioactive materials released in gaseous effluents shall be limited to less than or equal to

.1 500 mrem / year to the total body and less than or equal to 3000 ,

mrem / year to the skin (ODCM, Section 1.2.2.1).

j b. Iodines, Particulates (half-lives > 8 days) and Tritium:

w i The dose rate in unrestricted areas due to radioactive materials in effluents shall be limited to less than or equal to 1500 mrem / year to i

any organ (ODCM, Section 1.2.2.1).

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SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT July - December,1993 Virgil C. SummerNuclear Station South Carolina Electric & Gas Supplementalinformation

c. Liquid Effluents:

The concentration of radioactive materials released from the site shall be limited to the concentrations specified in 10 CFR 20, Appendix B, Table 11, Column 2 for radionuclides other than dissolved or entrained noble gases. For dissolved or entrained noble gases, the concentration shall be limited to 2E-4 pCi/ml total activity (ODCM, Section 1.1.2.1).

3. Average Energy:

Not Applicable

4. Measurements and Approximations of Total Radioactivity:

a. Fission and activation gases: Gamma spectrometry (HPGe)

b. lodines: Gamma spectrometry (HPGe)

c. Particulates: Gamma spectrometry (HPGe), beta proportional counting, alpha proportional counting l d. Tritium: Liquid scintillation

e. Liquid effluents: Gamma spectrometry (HPGe), liquid scintillation (H-3), beta proportional counting, alpha proportional counting

5. Batch Releases:

a. Gaseous:

1. Number of batch releases: 3

2. Total time period for batch releases: 8.62E + 2 min.

3. Maximum time period for a batch release: 4.22 E + 2 min.

l 4. Average time period for a batch release: 2.87E + 2 min.

5. Minimum time period for a batch release: 2.12E + 2 min.

l b. Liquid:

1. Number of batch releases:

50 for third quarter,1993 50 for fourth quarter,1993 Page 6

SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT July - December,1993 Virgil C. SummerNuclearStation South Carolina Electric & Gas SupplementalInformation

2. Total time period for batch releases:

3.85E+3 min.for third quarter,1993 3.71 E +3 min. for fourth quarter,1993

3. Maximum time period for a batch release:

1.00E+2 min, for third quarter,1993 1.01 E+ 2 min. for fourth quarter,1993

4. Average time period for batch releases:

7.70E + 1 min. for third quarter,1993 7.42E + 1 min. for fourth quarter,1993

5. Minimum time period for a batch release:

4.50E + 1 min, for third quarter,1993 6.00E + 1 min. for fourth quarter,1993

6. Average stream flow during periods of release of effluent into a flowing stream:

8.37E+6 gpm for third quarter,1993 4.07E+6 gpm for fourth quarter,1993

6. Abnormal Releases:

a. Gaseous:

1. Number of releases: 0

2. Total activity released: 0

b. Liquid:

1. Number of releases: 0

2. Total activity released: 0 Page 7

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SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT July - December,1993 Table 2 GASEOUS EFFLUENTS-SUMMATION OF ALL RELEASES Third Fourth Est. Total Quarter Quarter Error, %

A. Fission & activation gases

1. Total release Ci 2.98E-1 5.73 E-1 1.71 E + 1

2. Average release rate for period pCi/sec - 3.75 E-2 7.21 E-2

3. Percent of ODCM limit %

B. lodines

1. Total iodine-131 Ci 0 0 N/A

2. Average release rate for period pCi/sec 0 0

3. Percent of ODCM limit ** **

l%

C. Particulates

1. Particulates with half-lives > 8 days Ci 0 0 N/A

2. Average release rate for period pCi/sec 0 0

3. Percent of ODCM limit % ** **

4. Gross alpha radioactivity Ci 0 0 D. Tritium

1. Total release Ci' 0 0 N/A

2. Average release rate for period pCi/sec 0 0

3. Percent of ODCM limit % ** **

Calculated as a percent of dose limits found in Supplemental Information, Section 1a. Third quarter values were 2.25E-5% and 1.75E-1% of the quarterly and cumulative annual gamma dose limits, respectively and 1.16E-3% and 2.28E-1% of the quarterly and cumulative annual beta dose limits, respectively. Fourth quarter values were 5.08E-5% and 1.75E-1% of the quarterly and cumulative annual gamma dose limits, respectively, and 2.21E-3% and 2.29E-1% of the quarterly and cumulative annual beta dose limits, respectively.

Calculated as a percent of dose limits found in Supplemental Information, Section 1b. The sum of these values for the third quarter was 0% and 5.55E-1% of the quarterly and cumulative annual organ dose limits, respectively. The sum of these values for the fourth quarter was 0% and 5.55E-1% of the quarterly and cumulative annual organ dose limits, respectively.

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SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT l July - December,1993 l Table 3

! GASEOUS EFFLUENTS-GROUND-LEVEL RELEASES h Continuous Mode Batch Mode Third Fourth Third Fourth Nuclides Released Unit Quarter Quarter Quarter Quarter i

1. Fission gases l l Krypton-85 Ci 0 0 1 2.97 E-1 5.64 E-1 Krypton-85m 0 0 Ci O O Krypton-87 Ci 0 0 0 0 l i Krypton-88 Ci 0 0 0 0 l i

Xenon-133 Ci 0 0 3.60 E-4 8.54 E-3 l Xenon-135 Ci 0 0 2.03 E-4 0 Xenon-135m Ci 0 0 0 0 Xenon-138 Ci 0 0 0 0 Other: Xenon-131m Ci 0 0 0 0 i Unidentified Ci 0 0 0 0 i Total for period Ci 0 0 2.98 E-1 5.73 E-1 i

l 2.' lodines

lodine-131 Cl 0 0 0 0 4

lodine-132 Ci 0 0 0 0

lodine-133 Ci 0 0 0 0 4 lodine-134 Ci 0 0 0 0 1

lodine-135 Ci 0 0 0 0 i Total for period Ci 0 0 0 0 I 3. Particulates ,

! Strontium-89 Ci 0 0 0 0 l Strontium-90 Ci 0 0 0 0 Cesium-134 Ci 0 0 0 0 4

Cesium-137 Ci 0 0 0 0

! Barium-Lanth.-140 Ci 0 0 0 0 i Others: Ci 0 0 0 0 i Unidentified Ci 0 0 0 0

) Total for period Ci 0 0 0 0 1

0 a

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SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT l Iuly- December,1993 i Table 4 LIQUID EFFLUENTS - SUMMATION OF ALL RELEASES Third Fourth Est. Total

Quarter Quarter Error, %

A. Fission & activation products i 1. Total release (not including tritium, gases, Ci 5.42E-3 1.30E-2 2.70E + 1

] alpha) i 2. Average diluted concentration during pCi/mi 1.40E-11 4.02E-11

, period -

l 3. Percent of applicable limit % *

j. '

B. Tritium

1. Total release Ci 1.87E + 1 8.70E + 1 1.85 E + 1 1 2. Average diluted concentration during pCi/ml 4.85 E-8 2.69E-7 penod 4

3. Percent of applicable limit % * *

C. Dissolved and entrained gases !

I j 1. Total release Ci 1.40E-4 4.34E-5 1.90E + 1 j 2. Average diluted concentration during pCi/ml 3.61 E-13 1.34E-13

period j 3. Percent of applicable limit % * *

) D. Gross alpha radioactivity i 1. Total release Ci 0 0 N/A i

e 1

E. Volume of waste released (prior to dilution) ters 1.17 E + 7 1.16E + 7 3.00E + 0 I

F. Volume of dilution water used during period I ters 3.87E + 11 3.23 E + 11 4.30E + 0 i

l j Calculated as a percent of dose limits found in Supplemental Information, Section 1c. The 3

sum of these values for the third quarter was 1.29E-2% and 7.56E-1% of the respective quarterly and cumulative annual whole body dose limits and 6.66E-3% and 3.23E-1% of the i respective quarterly and cumulative annual organ dose limits. The sum of these values for i the fourth c uarter was 8.67E-2% and 8.00E-1% of the respective quarterly and cumulative

annual who: e body dose limits and 5.28E-2% and 3.35E-1% of the res 3ective quarterly and cumulative annual organ dose limits. Dose to the gastrointestina tract / lower large i intestine (GI LLI) was the most limiting organ dose for the third and the fourth c uarters of 1

1993. Dose to the GI LLI was the most limiting for the six month period and to t1e thyroid

! for the year.

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SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT July - December,1993 Table 5 LIQUID EFFLUENTS Continuous Mode Batch Mode Third Fourth Third Fourth tNuclides Released Unit Ouarter Quarter Quarter Quarter Strontium-89 Ci 0 0 2.84 E-6 4.81 E-6 Strontium-90 Ci 0 0 2.92 E-6 4.93E-6 Cesium-134 Ci 0 0 2.22 E-6 4.86E-5 Cesium-137 Ci 0 0 8.66E-6 1.19E-4 lodine-131 Ci 0 0 0 0 Cobalt-58 Cl 1.98 E-6 0 9.50 E-4 1.30 E-3 Cobalt-60 Ci 0 0 2.09E-3 6.36 E-3 Iron-59 Ci 0 0 1.56 E-5 0 Zinc-65 Ci 0 0 0 7.23 E-5 Manganese-54 Ci 0 0 2.10E-4 9.56 E-4 Chromium-51 Ci 0 0 4.97 E-5 0 Zirconium-Ntobium-95 Ci O O 1.93E-4 1.11 E-3 Molybdenum-99 Ci 0 0 0 0 Technetium-99m Ci 0 0 0 2.14 E-6 Barium-Lanth.-140 Ci 0 0 4.25 E-6 0 Cerium-141 Ci 0 0 0 0 Other: Fe-55 Cl 0 0 1.0/ E-3 1.89 E-3 Co-57 Ci 0 0 0 2.48 E-5 Ru-103 Ci 0 0 9.78E-7 0 Ru-106 Ci 0 0 0 1.79 E-5 Ag-110m Ci 0 0 3.30E-5 3.65 E-5 Sn-113 Ci 0 0 0 1.52 E-5 Sb-124 Ci 0 0 1.44 E-5 0 Sb-125 Ci 0 0 6.85 E-4 7.92 E-4 1-132 Ci 2.05 E-6 4.46 E-5 0 0 l-133 Ci 7.46 E-5 8.76E-5 0 1.33 E-6 l-134 Ci 0 4.72 E-5 0 0 1-135 Ci 0 6.60E-5 0 0 Unidentified: Ci 0 0 0 0 l l otai tor Period (above) l ( l /.86E-5 l 2.45 E-4 l 5.33 E-3 l 1.28 E-2 l Xenon-133 Ci 0 0 1.17 E-4 2.66E-5 Xenon-135 Ci 0 0 2.09 E-5 1.67 E-5 Other: Ar-41 Ci 0 0 1.38 E-6 0 Unidentified: Ci 0 0 0 0 ;

Total entrained gases Ci 0 0 1.39E-A 4.33 E-5 l t Tritium not included. See Table 4 for tritium numbers.

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SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT July - December,1993 Table 6 SOLID WASTE AND IRRADIATED FUEL SHIPMENTS A. Solid Waste Shipped Offsite for Burial or Disposal (Not irradiated fuel.)

1. Type of waste Unit 6-month Est. T otal 1993 Period Error,% Total

a. Spent resins, filter sludges, m3 6.26 E + 1 8.24 E + 1 evaporator bottoms, etc. Ci 2.60E + 1 3.50E + 1 1.21 E + 2 i

b. Dry compressible waste, m3 1.36 E + 1 2.56E + 1 contaminated equip., etc. Ci 2.60E + 0 3.50E + 1 3.39 E + 0

c. Irradiated components, m3 0 0 control rods, etc. Ci 0 N/A 0 d.Other (describe) m3 0 0 Ci 0 N/A 0

2. Estimate of major nuclide composition for 6 month period (by type of waste)*

a. Cs-137 % 2.27 E + 1 Co-58 % 1.46E + 1 Ni-63 % 1.42 E + 1 Cs-134 % 1.42 E + 1 Co-60 % 1.20E + 1 Fe-55 % 1.19 E + 1 Mn-54 % 6.70E + 0 Sb-125 e'o 1.39 E + 0

b. Fe-55 % 5.00E + 1 Co-60 % 1.54E + 1 Ni-63 % 1.19 E + 1 Cs-137 % 1.06 E + 1 Cs-134 % 4.60E + 0 Mn-54 % 2.70E + 0 Co-58 % 2.30E + 0

c. None % N/A

d. None % N/A l

All nuclides with concentrations above 1.0% are listed in descending order by activity level.

3. Solid Waste Disposition (6 month period /12 month period)

Number of Shipments Mode of Transportation Destination 257 (6 mo.) / 627 (12 mo) Truck Barnwell, SC tNote: 18 (for the 6 month period) and 51 (for 1993 total) are partial shipments of DAW from waste processor to Barnwell, SC.

B. Irradiated Fuel Shipments (Disposition)

Number of Shipments Mode of Transportation l Destination None N/A l N/A Page 12 l

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1993 HOURLY )

METEOROLOGICAL DATA LISTING l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUWER Nuclear Station UNIT 1 Talale 7 Report Date 94-02-07

{pirSt QLlarter 1993 Data Period : 93 1 00:00 to 93- 3-31 23:00 Stability Class: A delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O O O O 0 0 0.00 NE O O O 0 0 0 0 0.00 ENE O O O O 0 0 0 0.00 E O O 0 0 0 0 0 0.00 ESE O 0 0 0 0 0 0 0.00 SE O O 0 0 0 0 0 0.00 SSE O O O 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 3 3 0 0 6 12.50 WSW 0 0 7 6 0 0 13 12.37 W 0 1 6 2 0 0 9 11.34 WNW 0 2 0 0 0 0 2 6.40 NW 0 0 0 0 0 0 0 0.00 NNW 3 1 0 0 0 0 4 3.26 Total 3 4 16 11 0 0 34 l 1

Hoursiof Calm . O Hours of Varying Wind Direction 0 Hours of Missing Data . O Hours of Missing Data for All . 72 Hours of No Stability Class 42 Total hours of observation 2160 I

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1 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 First Quarter 1993 ,

Report Date 94-02-07 l Data Period . 93 1 00:00 to 93- 3-31 23:00 '

Stability Class: B delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean i 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed 1 N 0 0 0 0 0 0 0 0.00 NNE 0 0 0 0 0 0 0 0.00 NE 0 0 0 0 0 0 0 0.00 ENE 0 0 0 0 0 0 0 0.00 E O O O 0 0 0 0 0.00 ESE O O O O O 0 0 0.00 SE O O O O O O 0 0.00 SSE 0 0 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 1 0 0 0 1 9.89 EW 0 7 4 1 0 0 12 7.93 WSW 1 4 3 2 0 0 10 9.28 W l 1 7 3 0 0 12 11.14 WNW 0 6 1 0 0 0 7 7.19 NW 0 0 2 0 0 0 2 8.68 NNW 0 1 1 0 0 0 2 8.60 Total 2 19 19 6 0 0 46 Hours:of Calm . O Hours of Varying Wind Direction

O Hours of Missing Data 0 Hours of Missing Data for All 72 Hours of No Stability Class 42 Total hours of observation 2160 i

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 First Quarter 1993 Report Date . 94-02-07 Data Period

93 1 00:00 to 93- 3-31 23:00 Stability Class: C delta T/ delta 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter Hours at Each Wind Direction and Speed f Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 1 3 2 0 0 0 6 6.71 NNE O 2 0 3 2 0 7 14.27 l NE O 3 2 6 2 0 13 12.83 l ENE O O O O O O O 0.00 E O 1 0 0 0 0 1 5.15 ESE O 0 0 0 0 0 0 0.00 SE O 3 0 0 0 0 3 7.36 SSE 0 0 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 2 0 0 0 2 9.27 SW 0 3 2 1 0 0 6 9.20 l WSW 0 3 2 3 0 0 8 10.58 l W 1 1 4 4 0 0 10 11.82 WNW 1 8 0 0 0 0 9 5.52 NW 0 1 0 0 0 0 1 5,82 NNW 0 4 3 0 1 0 8 8.74 Total 3 32 17 17 5 0 74 Hoursiof Calm -

0 Hours of Varying Wind Direction 0 Hours of Missing Data . 1 Hours of Missing Data for All 72 Hours of No Stability Class

42 Total hours of observation -

2160 i

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I JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 ')

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SITE: V. C. SUMMER Nuclear Station UNIT 1 l First Quarter 1993 I Report Date 94-02-07 Data Period 93 1 00:00 to 93- 3-31 23:00 Stability Class: D delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter l Hours at Each Wind Direction and Speed i .i l

Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 10 34 28 19 0 0 91 8.83 NNE 8 44 56 45 4 0 157 10.59 NE 7 48 150 97 11 2 315 11.58 ENE 3 41 62 13 1 0 120 9.35 E 7 21 11 3 0 0 42 7.10 t

ESE 0 14 7 0 0 0 21 7.19 l SE 0 18 13 0 0 0 31 7.96 l SSE 3 5 21 2 0 0 31 9.13 i S 1 7 4 3 1 0 16 10.42 SSW 2 7 5 6 0 0 20 9.53 SW 3 20 8 2 0 0 33 7.19 I

WSW 7 23 15 7 0 0 52 8.21 W 7 12 24 13 0 0 56 9.54 l

WNW 3 20 2 1 0 0 26 5.76 l NW 9 16 9 3 0 0 37 6.99 I NNW 5 18 30 3 0 0 56 8.59 Total 75 348 445 217 17 2 1104 l

Hoursiof Calm . O Hours of Varying Wind Direction - 0 Hours of Missing Data -

29 l

Hours of Missing Data for All 72 l

Hours of No Stability Class -

42 Total hours of observation 2160 I

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 First Quarter 1993 Report Date 94-02-07 Data Period . 93 1 00:00 to 93- 3-31 23:00 Stability Class: E delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 9 9 4 4 0 0 26 7.09 NNE 8 14 4 1 0 0 27 6.02 NE 8 13 10 1 0 0 32 6.96 ENE 4 14 5 2 0 0 25 6.91 E 3 16 4 2 0 0 25 6.61 ESE 3 11 1 0 0 0 15 5.72 SE 4 7 2 0 0 0 13 5.80 SSE O 22 10 0 0 0 32 7.22 S 9 8 7 5 0 0 29 7.60 SSW 11 8 6 4 0 0 29 6.91 SW 14 30 11 1 0 0 56 6.22 WSW 7 36 25 3 0 0 71 7.56 W 9 48 23 9 0 0 89 7.63 WNW 13 16 1 0 0 0 30 4.41 NW 10 19 0 0 0 0 29 4.80 NNW 3 10 4 0 0 0 17 6.15 Total 115 281 117 32 0 0 545 Hoursiof Calm

O Hours of Varying Wind Direction - 0 Hours of Missing Data 0

( Hours of Missing Data for All . 72 Hours of No Stability Class 42 Total hours of observation . 2160 1

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 pjrSt Quarter 1993 Report Date : 94-02-07 Data Period 93 1 00:00 to 93- 3-31 23:00 Stability Class: F delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height

10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed 8.30 N 1 0 1 0 0 3 NNE 3 0 0 1 0 0 4 5.63 NE 1 1 0 0 0 0 2 4.84 ENE 2 1 0 0 0 0 3 4.31 E O 2 0 0 0 0 2 6.74 ESE 2 0 0 0 0 0 2 3.67 SE 2 2 3 0 0 0 7 6.52 SSE 4 11 0 0 0 0 15 5.40 S 9 12 0 0 0 0 21 4.14 SSW 9 7 0 0 0 0 16 4.16 SW 10 11 0 0 0 0 21 4.02 WSW 12 10 0 0 0 0 22 4.13 W 6 7 0 0 0 0 13 4.16 WNW 7 3 0 0 0 0 10 3.42 NW 2 4 0 0 0 0 6 4.32 j NNW 3 4 0 0 0 0 7 4.74

! Total 73 76 3 2 0 0 154 I

Hoursiof Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All : 72 Hours of No Stability Class -

42 Total hours of observation 2160 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Mrst (Narter 1993 l

Report Date : 94-02-07 '

Data Period : 93 1 00:00 to 93- 3-31 23:00 Stability Class: G delta T/ delta 61->10 m Delta T With Substitution l Wind Sensor Height -

10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 3 0 0 0 0 0 3 2.85 NNE 1 0 0 0 0 0 1 1.75 NE 0 0 0 0 0 0 0 0.00 ENE O O O 0 0 0 0 0.00 l

E O 1 0 0 0 0 1 4.75 j ESE 3 0 0 0 0 0 3 2.48 ,

l SE 2 7 2 0 0 0 11 6.61 SSE 2 12 1 0 0 0 15 5.87 S 4 5 0 0 0 0 9 4.16 SSW 4 3 0 0 0 0 7 3.96 l

SW 10 9 0 0 0 0 19 4.00 l WSW 15 10 0 0 0 0 25 3.70 l l W 16 7 0 0 0 0 23 3.74 l WNW 6 1 0 0 0 0 7 3.12 l

NW 4 0 0 0 0 0 4 3.07 NNW 3 0 0 0 0 0 3 2.10 Total 73 55 3 0 0 0 131 1 Hourst of Calm -

0 l Hours of Varying Wind Direction . 0 ,

Hours of Missing Data . 0 l

Hours of Missing Data for All 72 l Hours of No Stability Class 42 l Total hours of observation : 2160 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 FirSt Quarter 1993 Report Date . 94-02-07 Data Period . 93 1 00:00 to 93- 3-31 23:00 stability Class:ALL delta T/ delta :: 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 24 47 34 24 0 0 129 8.23 NNE 20 60 60 50 6 0 196 9.95 NE 16 65 162 104 13 2 362 11.18 ENE 9 56 67 15 1 0 148 8.83 E 10 41 15 5 0 0 71 6.86 ESE 8 25 8 0 0 0 41 6.14 SE 8 37 20 0 0 0 65 7.12 SSE 9 50 32 2 0 0 93 7.34 S 23 32 11 8 1 0 75 6.82 SSW 26 25 14 10 0 0 75 6.85 SW 37 80 28 8 0 0 153 6.35 WSW 42 86 52 21 0 0 201 7.39 l W 40 77 64 31 0 0 212 8.05 WNW 30 56 4 1 0 0 91 4.96 NW 25 40 11 3 0 0 79 5.81 NNW 17 38 38 3 1 0 97 7.48 Total 344 815 620 285 22 2 2088 Hoursiof Calm -

0 Hours of Varying Wind Direction . 0 3 Hours of Missing Data for All . 72 Hours of No Stability Class -

42 Total hours of observation . 2160 i

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1 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 l

SITE: V. C. SUMMER Nuclear Station UNIT 1 First Quarter 1993 Report Date : 94-02-07 Data Period . 93 1 00:00 to 93- 3-31 23:00 I

MISSING DATA FOR THIS REPORT PERIOD 1 WD1 WD2 WS1 WS2 DTI DT2 75 70 76 72 42 44 .

I Hours with no stability class and invalid wind direction or wind speed - 42 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Table 7 Report Date 94-02-07 Data Period

. 93 1 00:00 to 93- 6-30 23:00 Second Quarter 1993 Stability Class: A delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed I

N 2 9 1 1 0 0 13 5.78 NNE 3 13 1 0 0 0 17 5.63 NE 0 10 5 1 0 0 16 7.28 ENE D 5 5 0 0 0 10 8.11 E O 5 4 0 0 0 9 7.37 l ESE O 1 5 0 0 0 6 9.28

, SE O 1 3 0 0 0 4 8.75 I

SSE 0 4 2 0 0 0 6 8.23 S 1 5 17 1 0 0 24 9.02 l SSW 1 21 17 0 0 0 39 8.09 l

SW 1 45 20 7 0 0 73 7.75 l WSW 1 22 22 7 0 0 52 8.77 W 4 11 10 0 0 0 25 6.81 WNW 0 3 2 1 0 0 6 9.28 NW 2 2 1 3 0 0 8 9.10 l NNW 2 0 1 1 0 0 4 5.40 Total 16 159 116 21 0 0 312 l

Hours.of Calm 0 i Hours of Varying Wind Direction 0 Hours of Missing Data 1 Hours of Missing Data for All : 135 Hours of No Stability Class -

138 Total hours of observation 2184 l

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l JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Second Quarter 1993 Report Date 94-02-07 l

Data Period 93 1 00:00 to 93- 6-30 23:00 Stability Class: B delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 1 3 3 0 1 0 8 8.42 NNE 1 5 0 0 0 0 6 5.38 NE 2 3 4 0 0 0 9 6.5_

l ENE 0 2 4 0 0 0 6 9.39 E O 1 0 0 0 0 1 7.98 ESE O 1 3 0 0 0 4 10.10 SE 1 2 3 0 0 0 6 9.00 SSE O 3 4 0 0 0 7 8.97 S 0 3 3 1 0 0 7 8.89 l SSW 0 7 8 1 0 0 16 9.02 l SW 0 10 7 0 0 0 17 7.72 WSW 0 3 2 3 0 0 8 9.62 W 0 8 4 0 0 0 12 8.10 WNW 1 3 4 2 0 0 10 8.13 NW l 1 1 1 0 0 4 8.58 l NNW 2 2 0 0 0 0 4 4 15 l _-- -------_-_ __-_-_--_-- ._ _

i Total 9 57 50 8 1 0 125 Hours'of Calm . O Hours of Varying Wind Direction : 0 Hours of Missing Data 0 Hours of Missing Data for All . 135 Hours of No Stability Class . 138 Total hours of observation . 2184 !

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Second Quarter 1993 Report Date . 94-02-07

, Data Period : 93 1 00:00 to 93- 6-30 23:00 l Stability Class: C delta T/ delta z 61->10 m Delta T With Substitution l l Wind Sensor Height - 10 meter l Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour) l Direction Mean )

0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 1 4 4 0 0 0 9 7.62 l NNE 2 5 3 0 0 0 10 5.68

NE 1 2 7 0 0 0 10 8,64

' ENE 2 4 3 1 0 0 10 7.81 E 0 1 1 0 0 0 2 6.74 ESE O 2 1 0 0 0 3 8.08 SE 1 4 7 0 0 0 12 8.93 l

SSE O 1 3 1 0 0 5 10.75 S 0 8 7 3 0 0 18 9.04 SSW 0 8 9 0 0 0 17 P.30 SW 0 14 3 0 0 0 17 6.95 l WSW 1 5 0 1 0 0 7 6.55

! W 1 2 2 0 0 0 5 7.53 l KNW 0 3 1 1 0 0 5 8.51 i NW 1 2 1 1 0 0 5 7.69 j NNW 0 2 0 0 0 0 2 5.24 Total 10 67 52 8 0 0 137 Hours.of Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All 135 Hours of No Stability Class 138 Total hours of observation . 2184 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Second Quarter 1993 Report Date . 94-02-07 Data Period

93 1 00:00 to 93- 6-30 23:00 Stability Class: D delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 5 23 7 15 3 0 53 9.59 101E 6 18 15 14 1 0 54 9.64 NE 6 16 31 6 4 0 63 9.65 ENE O 14 11 3 1 0 29 9.41 E 1 15 7 0 0 0 23 7.20 ESE O 16 6 0 0 0 22 7.26 l SE O 18 20 2 0 0 40 8.28 SSE 5 14 8 4 0 0 31 8.05 S 2 21 18 19 2 0 62 10.21 SSW 5 13 13 3 0 0 34 7.85 SW 5 14 11 0 0 0 30 7.06 WSW 5 16 14 0 0 0 35 6.86 i W 3 10 14 2 0 0 29 8.43 WNW 6 5 3 0 0 0 14 5.17 NW 4 7 4 2 0 0 17 7.30 NNW 13 9 7 6 1 0 36 7.46 Total 66 229 189 76 12 0 572 Hourseof Calm -

0 Hours of Varying Wind Direction 0 Hours of Missing Data 4 Hours of Missing Data for All 135 Hours of No Stability Class . 138 Total hours of observation -

2184 I

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Second Quarter 1993 Report Date 94-02-07 Data Period . 93 1 00:00 to 93- 6-30 23:00 Stability Class: E delta T/ delta : 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 6 9 1 0 0 0 16 5.02 NNE 2 12 0 0 0 0 14 5.54 NE 3 7 1 0 0 0 11 5.38 ENE 1 4 3 2 0 0 10 7.97 E 2 11 4 0 0 0 17 6.61 ESE 4 10 1 0 0 0 15 5.83 SE 6 23 3 0 0 0 32 5.59 SSE 6 46 12 0 0 0 64 6.25 S 13 53 24 0 0 0 90 6.51 SSW 16 48 13 1 0 0 78 6.00 SW 14 46 5 0 0 0 65 5.41 WSW 8 25 7 0 0 0 40 5.82 W 10 28 4 0 0 0 42 5.68 WNW 9 12 1 0 0 0 22 4.21 NW 4 7 1 0 0 0 12 4.81 NNW 3 9 1 0 1 0 14 6.85 Total 107 350 81 3 1 0 542 Hoursiof Calm . O Hours of Varying Wind Direction . O Hours of Missing Data 0 Hours of Missing Data for All . 135 Hours of No Stability Class 138 Total hours of observation 2184 Page 26

JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear St& tion UNIT 1 Second Quarter 1993 Report Date : 94-02-07 Data Period 93 1 00:00 to 93- 6-30 23:00 Stability Class: F delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 1 1 0 0 0 0 2 3.58 NNE O 1 0 0 0 0 1 4.25 NE 3 0 0 0 0 0 3 3.25 ENE 1 9 0 0 0 0 10 5.29 E 1 6 0 0 0 0 7 5.49 l ESE 0 0 0 0 0 0 0 0.00 l

SE 2 16 0 0 0 0 18 5.82 SSE 5 26 2 0 0 0 33 5.60 S 14 21 0 0 0 0 35 4.69 SSW 11 21 0 0 0 0 32 4.34 SW 9 11 1 0 0 0 21 4.36 WSW 9 0 0 0 0 14 3.65

, W 5 0 0 0 0 12 3.78 l WNW 7 5 0 0 0 0 12 3.69 NW 5 0 0 0 0 0 5 2.75 NNW 2 1 0 0 0 0 3 3.27 Total 75 130 3 0 0 0 208 Hoursiof Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All 135 Hours of No Stability Class . 138 Total hours of observation - 2184 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Second Quarter 1993 Report Date : 94-02-07 Data Period 93 1 00:00 to 93- 6-30 23:00 Stability Class: G delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 2 1 0 0 0 0 3 3.79 NNE 0 0 0 0 0 0 0 0.00 NE 1 0 0 0 0 0 1 2.87 ENE 2 1 0 0 0 0 3 4.22 E 1 2 0 0 0 0 3 4.67 ESE 3 0 0 0 0 0 3 2.99 SE 2 0 0 0 0 0 2 2.69 SSE 2 8 0 0 0 0 10 4.97 S 4 12 0 0 0 0 16 5.18 l SSW 8 11 0 0 0 0 19 4.01 SW 24 4 0 0 0 0 28 3.27 WSW 17 11 0 0 0 0 28 3.90 W 13 6 0 0 0 0 19 3.37 WNW 4 0 0 0 0 0 4 2.87 NW 2 0 0 0 0 0 2 2.96 l NNW 1 0 0 0 0 0 1 2.28 l Total 86 56 0 0 0 0 142 l

Hours of Calm : 3 Hours of Varying Wind Direction 0 Hours of Missing Data . O Hours of Missing Data for All : 135 Hours of No Stability Class 138 Total hours of observation 2184 l

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I JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Second Quarter 1993 Report Date -

94-02-07 Data Period . 93 1 00:00 to 93- 6-30 23: 00 Stability Class:ALL delta T/ delta z 61->10 m Delta T With Substitution l Wind Sensor Height . 10 meter l Hours at Each Wind Direction and Speed I i l ___ ,

Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total

Speed N 18 50 16 16 4 0 104 7.86 NNE 14 54 20 14 1 0 103 7.75

( NE 16 38 50 7 4 0 115 8.36 l ENE 6 39 26 6 1 0 78 8.13 E 5 41 16 0 0 0 62 6.74 ESE 7 30 16 0 0 0 53 7.10 SE 12 64 36 2 0 0 114 7.16 SSE 18 102 31 5 0 0 156 6.73 S 34 124 69 24 2 0 253 7.55 SSW 41 130 60 5 0 0 236 6.59 SW 53 144 47 7 0 0 251 6.22 l WSW 41 87 45 11 0 0 184 6.59 l W 36 72 34 2 0 0 144 6.2o l WNW 27 31 11 4 0 0 73 5.48 l NW 19 21 8 7 0 0 55 6.52 NNW 22 26 9 6 2 0 65 6.62 Total 369 1053 494 116 14 0 2046 Hoursiof Calm . 3 Hours of Varying Wind Direction . O Hours of Missing Data for All : 135 Hours of No Stability Class

138 Total hours of observation

2184 i

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Second Quarter 1993 Report Date

94-02-07 Data Period 93 1 00:00 to 93- 6-30 23:00 MISSING DATA FOR THIS REPORT PERIOD WD1 WD2 WS1 WS2 DT1 DT2 138 135 138 135 1042 138 Hours with no stability class and invalid wind direction or wind speed . 130 l

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i SITE: V. C. SUMMER Nuclear Station UNIT 1 Tabic 7 Report Date . 94-02-07 ,gg gg Data Period 93 1 00:00 to 93- 9-30 23:00 Stability Class: A delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height -

10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 1 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed l 1

1

- - - - - - - - - - - - . - - - ~ _.

N 0 1 0 0 0 0 1 4.12 NNE O 1 0 0 0 0 1 6.06 NE 1 3 0 0 0 0 4 4.29 ENE O 0 0 0 0 0 0 0.00 E 1 0 0 0 0 0 1 3.48 ESE O O O O 0 0 0 0.00 SE 0 0 0 0 0 0 0 0.00 SSE 0 0 2 0 0 0 2 8.92 S 0 1 6 0 0 0 7 9.06 SSW 0 10 12 1 0 0 23 8.92 SW 0 19 4 0 0 0 23 6.62 WSW 0 9 1 0 0 0 10 5.91 W 1 5 4 0 0 0 10 7.05 WNW 0 4 0 0 0 0 4 6.30 NW 0 0 0 0 0 0 0 0.00 NNW 0 2 0 0 0 0 2 5.53 Total 3 55 29 1 0 0 88 Hours.of Calm 0 l Hours of Varying Wind Direction -

0 Hours of Missing Data 0 Hours of Missing Data for All . 124 Hours of No Stability Class 124 Total hours of observation 2208 1

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JOINT WIND FREQUENCY DISTRIEUTION BY STABILITY CLASS Table 7 SITE: V. C. SU!OIER Nuclear Station UNIT 1 Third Quarter 1993 Report Date 94-02-07 Data Period 93 1 00:00 to 93- 9-30 23:00 Stability Class: B delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height -

10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N O 4 0 0 0 0 4 6.37 NNE 2 4 0 0 0 0 6 4.17 NE 1 3 0 0 0 0 4 4.74 ENE O O O 0 0 0 0 0.00 E O 2 0 0 0 0 2 6.96 ESE O O O O O O O 0.00 SE O 1 0 0 0 0 1 5.17 SSE O 3 0 0 0 0 3 6.06 S 0 2 2 0 0 0 4 7.94 SSW 0 10 6 0 0 0 16 7.20 SW 2 9 5 0 0 0 16 6.42 WSW 2 6 0 0 0 0 8 4.35 W 1 6 2 0 0 0 9 6.28 WNW 0 6 1 0 0 0 7 5.95 NW 0 2 0 0 0 0 2 5.46 NNW 1 4 0 0 0 0 5 4.46 Total 9 62 16 0 0 0 87 Hours >of Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All 124 Hours of No Stability Class 124 Total hours of cbservation 2208 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date . 94-02-07 j Data Period 93 1 00:00 to 93- 9-30 23:00 j Stability Class: C delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter Hours at Each Wind Direction and Speed l

Wind Wind Speed (miles / hour)

Direction Mean j 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 1 3 0 2 1 0 7 10.05 NNE 3 11 0 0 1 0 15 5.32 NE 0 6 0 0 0 0 6 6.58 ENE O 6 0 0 0 0 6 6.57 E O 5 2 0 0 0 7 7.43 ESE O 5 2 0 0 0 7 7.43 .

l SE O 7 0 0 0 0 7 5.17 !

SSE 8 1 1 0 0 0 10 5.89 l S 0 8 3 0 0 0 11 6.80 i SSW 0 12 7 0 0 0 19 7.83

! SW 19 2 1 0 0 0 22 5.72 WSW l 6 4 1 0 0 12 7.61 W 1 5 1 0 0 0 7 5.42 WNW l 7 0 0 0 0 8 4.97 NW 0 4 0 0 0 0 4 4.82 NNW l 4 0 0 0 0 5 4.86 l Total 10 116 22 3 2 0 153 Hours >of Calm : 0 Hours of Varying Wind Direction 0 Hours of Missing Data . 0 Hours of Missing Data for All l

. 124 !

Hours of No Stability Class . 124 l Total hours of observation . 2208 l 1

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date 94-02-07 Data Period

93 1 00:00 to 93- 9-30 23:00 Stability Class: D delta T/ delta 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 31 39 17 6 0 0 93 6.23 NUE 15 51 23 10 0 0 99 7.00 NE 10 47 44 4 1 0 106 7.82 ENE 2 31 41 2 0 0 76 8.57 E 3 37 28 2 0 0 70 7.63 ESE 2 38 6 0 0 0 46 6.47 SE 4 28 6 1 0 0 39 6.22 SSE 10 22 2 0 0 0 34 5.25 S 4 30 26 3 0 0 63 7.97 SSW 5 36 25 0 0 0 66 7.23 SW 11 35 5 0 0 0 51 5.59 WSW 8 23 13 2 0 0 46 6.90 W 4 13 3 0 0 0 20 5.76 WNW 4 6 0 0 0 0 10 4.64 NW 11 7 0 0 0 0 18 3.73 NNW 15 17 10 1 0 0 43 5.84 Total 139 460 249 31 1 0 880 Hourseof Calm 0 Hours of Varying Wind Direction : 0 Hours of Missing Data 0 Hours of Missing Data for All . 124 Hours of No Stability Class

124 Total hours of observation 2200 Page 34

JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 l

l Report Date . 94-02-07 Data Period

93 1 00:00 to 93- 9-30 23:00 Stability Class: E delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 1 2 3 0 1 0 7 9.64 NNE 2 3 1 1 0 0 7 6.77 NE 2 3 1 0 0 0 6 6.30 ENE 1 5 2 0 0 0 8 6.04 E 5 8 2 1 0 0 16 6.10 ESE 3 15 2 0 0 0 20 5.86 SE 3 42 5 0 0 0 50 5.99 SSE 19 47 5 0 0 0 71 5.20 S 28 52 17 0 0 0 97 5.73 SSW 29 75 10 0 0 0 114 5.52 SW 31 37 1 0 0 0 69 4.23 WSW 26 29 0 0 0 0 55 4.25 W 16 17 0 0 0 0 33 4.01 WNW 14 5 0 0 0 0 19 3.53 l NW 11 5 0 0 0 0 16 4.16 j NNW 0 1 4 0 0 0 5 8.95 Total 191 346 53 2 1 0 593 Hours,of Calm . O Hours of Varying Wind Direction . O j Hours of Missing Data -

1 i

Hours of Missing Data for All . 124 Hours of No Stability Class . 124 Total hours of observation -

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l JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date . 94-02-07 Data Period : 93 1 00:00 to 93- 9-30 23:00 l Stability Class: F delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter Hours at Each Wind Direction and Speed

---= -_-_-_-_ __---___

Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 2 0 0 0 0 2 6.27 NME O O 2 0 0 0 2 9.87 NE 0 0 0 0 0 0 0 0.00 ENE 0 0 0 0 0 0 0 0.00 E O 0 0 0 0 0 0 0.00 ESE 1 2 0 0 0 0 3 4.93 SE 3 22 1 0 0 0 26 5.47 SSE 9 27 0 1 0 0 37 5.40 S 11 24 0 0 0 0 35 4.62 SSW 9 11 0 1 0 0 21 4.68 SW 20 2 1 0 0 0 23 3.55 WSW 7 7 0 0 0 0 14 3.57 W 18 2 0 0 0 0 20 3.18 WNW 11 4 0 0 0 0 15 3.93 NW 2 5 0 0 0 0 7 4.94 NNW 0 0 0 0 0 0 0 0.00 Total 91 108 4 2 0 0 205 Hourseof Calm : 0 Hours of Varying Wind Direction . O Hours of Missing Data 0 Hours of Missing Data for All -

124 Hours of No Stability Class 124 Total hours of observation -

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date 94-02-07 Data Period 93 1 00:00 to 93- 9-30 23:00 Stability Class: G delta T/ delta : 61->10 m Delta T With Substitution Wind Sensor Height -

10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O O O O 0 0 0.00 NE O O O O O O 0 0.00 ENE 0 0 0 0 0 0 0 0.00 E O O O 0 0 0 0 0.00 ESE O O O O O O 0 0.00 SE 1 2 0 0 0 0 3 4.63 SSE 2 5 0 0 0 0 7 4.51 S 5 5 0 0 0 0 10 4.17 SSW 10 0 1 0 0 0 11 3.48 SW 7 1 0 0 0 0 8 3.25 WSW 18 4 0 0 0 0 22 3.14 W 10 0 0 0 0 0 10 3.08 WNW 2 1 0 0 0 0 3 3.47 NW 2 1 0 0 0 0 3 4.33 NNW 0 0 0 0 0 0 0 0.00 Totel 57 19 1 0 0 0 77 Hourseof Calm . O Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All

124 Hours of No Stability Class 124 Total hours of observation -

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date 94-02-07 Data Period . 93 1 00:00 to 93- 9-30 23:00 Stability Class:ALL delta T/ delta : 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter Hours at Each Wind Direction and Speed ;

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Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed NNE 22 70 26 11 1 0 130 6.70 NE 14 62 45 4 1 0 126 7.48 ENE 3 42 43 2 0 0 90 8.21 E 9 52 32 3 0 0 96 7.30 ESE 6 60 10 0 0 0 76 6.34 SE 12 102 12 1 0 0 127 5.84 SSE 41 112 10 1 0 0 164 5.33 S 48 122 54 3 0 0 227 6.30 SSW 53 154 61 2 0 0 270 6.34 SW 72 122 18 0 0 0 212 5.03 WSW 62 84 18 3 0 0 167 5.12 W 51 48 10 0 0 0 109 4.65 WNW 32 33 1 0 0 0 66 4.37 l NW 26 24 0 0 0 0 50 4.23 NNW 17 28 14 1 0 0 60 5.89 Total 501 1166 374 39 4 0 2084 Hours,of Calm -

0 i Hours of Varying Wind Direction 0 Hours of Missing Data for All 124 Hours of No Stability Class . 124 Total hours of observation . 2208 l

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l JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 ,

I SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 j Report Date . 94-02-07 J Data Period . 93 1 00:00 to 93- 9-30 23:00 t MISSING DATA FOR THIS REPORT PERIOD WD1 WD2 WS1 WS2 DT1 DT2 125 124 125 124 287 127 Hours with no stability class and invalid wind direction or wind speed 123 1

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Table 7 Report Date 94-02-07 Data Period . 93 1 00:00 to 93-12-31 23:00 Irourth Quarter 1993 Stability Class: A delta T/ delta : 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O 0 0 0 0 0 0.00 NE 0 0 0 0 0 0 0 0.00 ENE O O O O O 0 0 0.00 E O O 0 0 0 0 0 0.00 ESE O O O 0 0 0 0 0.00 SE O 0 0 0 0 0 0 0.00 SSE O O O O 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 2 0 0 0 0 2 4.63 WSW 0 3 4 0 0 0 7 7.60 W 0 1 0 0 0 0 1 5.32 WNW 0 0 0 0 0 0 0 0.00 NW 0 1 0 3 0 0 4 14.34 NNW 0 1 0 0 0 0 1 4.64 Total 0 8 4 3 0 0 15 Hoursiof Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All 119 Hours of No Stability Class 129 Total hours of observation -

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 Report Date 94-02-07 Data Period 93 1 00:00 to 93-12 21 23:00 Stability Class: B delta T/ delta : 61->1L m Delta T With Substitution Wind Sensor Height : 10 meter Hours at Each Wind Direction and Speed

Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N O O O O O O O 0.00 NNE O 0 0 0 0 0 0 0.00 i NE O 1 0 0 0 0 1 4.15 l ENE O O O O O O 0 0.00 E 0 0 0 0 0 0 0 0.00 ESE O O O O 0 0 0 0.00 SE O 0 0 0 0 0 0 0.00 SSE O O O O O 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 2 3 0 0 0 5 7.97 SW 0 5 3 0 0 0 8 7.11 WSW 0 11 4 3 0 0 18 8.71 W 0 3 2 0 0 0 5 7.85 WNW 0 6 2 0 0 0 8 7.57 NW 0 1 0 1 1 0 3 14.75 NNW 0 0 2 1 0 0 3 11.96 Total 0 29 16 5 1 0 51 Hours'of Calm : 0 Hours of Varying Wind Direction 0 l Hours of Missing Data 2 Hours of Missing Data for All 119 Hours of No Stability Class . 129 Total hours of observation 2208 I

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JOINT WIND FREQUENCY DISTRIEUTICN BY STABILITY CLASS Tabic 7 SITE: V. C. SUMMER Nuclear Station Uli!T 1 Fourth Quarter 1993 Report Date : 94-02-07 Data Period . 93 1 00:00 to 93-12-31 23:00 Stability Class: C delta T/ delta : 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <B 8- <13 13- <19 19- 24 >24 Total' Speed N 2 1 1 1 0 0 5 6.71 NNE O 1 1 3 0 0 5 12.19 NE 2 0 1 4 10 0 17 16.75 ENE 0 0 0 0 1 0 1 20.61 E O 1 0 0 0 0 1 7.56 ESE 1 0 0 0 0 0 1 3.49 SE O O O O O O O 0.00 SSE O O O O O O O 0.00 S 0 1 1 0 0 0 2 7.08 SSW 0 5 3 0 0 0 8 7.98 SW 2 8 3 0 0 0 13 6.68 WSW 0 12 8 2 0 0 22 8.01 W 0 0 3 0 0 0 3 10.56 WNW 0 8 1 0 0 0 9 6.55 NW 1 1 4 2 0 0 8 9.13 NNW 0 4 3 0 0 0 i /.40 Total 8 42 29 12 11 0 102 Hourseof Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 1 Hours of Missing Data for All 119 Hours of No Stability Class 129 Total hours of observation 2208 l

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I JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 Report Date : 94-02-07 Data Period

93 1 00:00 to 93-12-31 23:00 Stability Class: D delta T/ delta z 61->10 m Delta T With Substitutien l Wind Sensor Height . 10 meter Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 10 24 22 25 0 0 81 9.53 NNE 9 30 63 43 2 0 147 10.63 NE 5 31 115 69 1 1 222 11.42 ENE 2 19 51 17 0 0 89 10.44 E O 15 14 6 0 0 35 9.40 ESE 4 3 2 1 0 0 10 6.42 SE 2 8 0 0 0 0 10 5.61 SSE O 4 0 0 0 0 4 5.78 S 1 12 11 7 0 0 31 9.39 SSW 2 22 8 4 0 0 36 7.35 SW 8 23 17 0 0 0 48 6.62 i WSW 13 36 34 7 0 0 90 7.78 l W 11 24 22 3 0 0 60 7.62 l WNW 12 29 2 0 0 0 43 5.11 l l NW 4 19 5 1 0 0 29 6.70

! NNW 12 18 10 2 0 0 42 6.46 Total 95 317 376 185 3 1 977 Hours,of Calm 0

( Hours of Varying Wind Direction 0 Hours of Missing Data 1 l Hours of Missing Data for All 119 ;

I Hours of No Stability Class 129 l Total hours of observation 2208 Page 43

JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 Report Date : 94-02-07 Data Period : 93 1 00:00 to 93-12-31 23:00 Stability Class: E delta T/ delta : 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter j Hours at Each Wind Direction and Speed i l

l Wind Wind Speed (miles / hour) '

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 3 5 2 0 0 0 10 6.25 NNE 4 11 10 0 0 0 25 7.05 NE 1 4 7 0 0 0 12 7.80 ENE 1 2 1 0 0 0 4 5.55 E 8 10 5 0 0 0 23 5.88 ESE 3 13 0 0 0 0 16 5.32 SE 5 13 0 0 0 0 18 4.68 SSE 9 20 6 0 0 0 35 5.50 S 7 28 4 0 0 0 39 5.51 SSW 8 21 6 0 0 0 35 5.93 SW 13 22 7 0 0 0 42 5.67 l WSW 13 43 3 2 0 0 61 5.51 W 13 67 3 0 0 0 83 5.56 WNW 10 11 1 0 0 0 22 4.55 NW 4 8 0 0 0 0 12 4.86 NNW 2 3 3 0 0 0 8 6.41 Total 104 281 58 2 0 0 445 Hourseof Calm 0 Hours of Varying Wind Direction

O Hours of Missing Data 5 Hours of Missing Data for All . 119 Hours of No Stability Class 129 Total hours of observation . 2208 I

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l JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 l Report Date : 94-02-07 Data Period . 93 1 00:00 to 93-12-31 23:00 Stability Class: F delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter l

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean l 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 7 0 0 0 0 7 5.80 l NNE 1 3 0 0 0 0 4 5.26 NE 1 2 1 0 0 0 4 5.09

ENE O 0 0 0 0 0 0 0.00 E 4 0- 0 0 0 0 4 2.80 ESE 2 0 0 0 0 0 2 2.62 SE 6 16 0 0 0 0 22 5.09 SSE 14 20 0 0 0 0 34 4.40 S 15 30 0 0 0 0 45 4.50 SSW 7 15 0 0 0 0 22 4.76 SW 12 6 0 0 0 0 18 3.82 WSW 12 5 0 0 0 0 17 3.35 W 6 7 0 0 0 0 13 3.92 WNW 10 8 0 0 0 0 18 3.74 NW 2 12 0 0 0 0 14 4.89 f NNW 2 2 0 0 0 0 4 4.20 i Total 94 133 1 0 0 0 228 HoursJof Calm 2 Hours of Varying Wind Direction

0 Hours of Missing Data 0 Hours of Missing Data for All -

119 Hours of No Stability Class 129 Total hours of observation 2208 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Tabic 7 l SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 Report Date -

94-02-07 Data Period . 93 1 00:00 to 93-12-31 23:00 ,

Stability Class: G delta T/ delta z 61->10 m Delta T With Substitution l Wind Sensor Height . 10 meter j Hours at Each Wind Direction and Speed ;

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Wind Wind Speed (miles / hour) 1 Direction Mean 1 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 1 3 0 0 0 0 4 5.47 NNE O O 0 0 0 0 0 0.00 NE O 2 0 0 0 0 2 5.52 ENE 1 0 0 0 0 0 1 2.50 E 0 0 0 0 0 0 0 0.00 ESE 1 0 0 0 0 0 1 3.11 SE 0 5 1 0 0 0 6 6.10 SSE 6 24 0 0 0 0 30 4.83 5 11 8 0 0 0 0 19 4.00 SSW 11 3 0 0 0 0 14 3.35 SW 28 8 0 0 0 0 36 3.41 WSW 59 14 0 0 0 0 73 3.42 W 29 7 0 0 0 0 36 3.54 WNW 12 5 0 0 0 0 17 3.60 NW 3 2 0 0 0 0 5 4.06 NNW 3 3 0 0 0 0 6 3.79 l ____ _ ___

! Total 165 84 1 0 0 0 250 l

Hourseof Calm . O Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All -

119 Hours of No Stability Class -

129 Total hours of observation . 2208 i

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 Report Date . 94-02-07 Data Period : 93 1 00:00 to 93-12-31 23:00 Stability Class:ALL delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter i Hours at Each Wind Direction and Speed I l

Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 16 42 25 26 0 0 109 8.63 NNE 15 46 75 48 2 0 186 10.06 NE 9 40 125 73 11 1 259 11.42 ENE 4 21 53 17 1 0 96 10.27 E 12 26 19 7 0 0 64 7.75 ESE 11 16 2 1 0 0 30 5.37 SE 13 42 1 0 0 0 56 5.16 SSE 29 68 6 0 0 0 103 4.95 S 36 79 16 7 0 0 138 5.84 SSW 28 68 20 4 0 0 120 6.06 SW 63 77 30 0 0 0 170 5.40 WSW 97 126 53 14 0 0 290 6.01 W 59 109 30 3 0 0 201 5.83 WNW 44 67 6 0 0 0 117 4.85 NW 14 45 9 7 1 0 76 6.86 NNW 20 31 18 3 0 0 72 6.35 Total 470 903 488 210 15 1 2087 Hourseof Calm 2 Hours of Varying Wind Direction : 0 Hourr of Missing Data for All . 119 Hours of No Stability Class . 129 Total hours of observation . 2208 1

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 7 1

SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 l Report Date 02-07 l Data Period : 93 1 00:00 to 93-12-31 23:00 l

MISSING DATA FOR THIS REPORT PERIOD WD1 WD2 WS1 WS2 DT1 DT2 122 119 121 119 129 215 Hours w.ith no stability class and invalid wind direction or wind speed - 110 i

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J0;NT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Table 8 Report Date 94-02-07 Data Period . 93 1 00:00 to 93- 3-31 23:00 First Quarter 1993 Stability Class: A delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed ,

Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed

________ ________ ________ ________ ______ _____ i N 0 0 0 0 0 0 0 0.00 NME O O O O O O O 0.00 NE 0 0 0 0 0 0 0 0.00 ENE O O O O O 0 0 0.00 E O O O O 0 0 0 0.00 ESE O 0 0 0 0 0 0 0.00 SE O O 0 0 0 0 0 0.00 SSE O O O O O O O 0.00 ;

S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 Hourssof Calm . O j

Hours of Varying Wind Direction 0 I Hours of Miss1ng Data

O Hours of Missing Data for All 0 Hours of No Stability Class . O Total hours of observation 0 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1

}pirSt Quarter 1993 Report Date . 94-02-07 Data Period - 93 1 00:00 to 93- 3-31 23:00 Stability Class: B delta T/ delta 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean l 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O O O O O O 0.00 NE O O O O 0 0 0 0.00 ENE 0 0 0 0 0 0 0 0.00 E O O O 0 0 0 0 0.00 ESE O O O O O O O 0.00 SE O O 0 0 0 0 0 0.00 SSE O O O O O 0 0 0.00 S 0 0 0 0 0 0 0 0.00 l SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00

, W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00

NW 0 0 0 0 0 0 0 0.00

( NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 l

Hours of Calm -

0 Hours of Varying Wind Direction

O Hours of Missing Data . O Hours of Missing Data for All . O Hours of No Stability Class 0 l

Total hours of observation 0 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 First Qtiarter 1993 Report Date 94-02-07 Data Period . 93 1 00:00 to 93- 3-31 23:00 Stability Class: C delta T/ delta z 61 s10 m Delta T With Substitution Wind Sensor Height -

10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O 0 0 0 0 0 0 0.00 NE O O O 0 0 0 0 0.00 ENE O O O O O 0 0 0.00 E O O O O O 0 0 0.00 ESE O 0 0 0 0 0 0 0.00 SE O O O O 0 0 0 0.00 SSE O O O O 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 Hoursiof Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All

0, Hours of No Stability Class

O Total hours of observation . 0 1

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 First Quarter 1993 Report Date : 94-02-07 Data Period : 93 1 00:00 to 93- 3-31 23:00 l Stability Class: D delta T/ delta 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O 0 0 0 0 0 0.00 NE O 0 0 0 0 0 0 0.00 ENE O 0 0 0 0 0 0 0.00 E 0 0 0 0 0 0 0 0.00 ESE 0 0 0 0 0 0 0 0.00 SE O 0 0 0 0 0 0 0.00 SSE O O O O O O O 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 j NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 Hourstof Calm . 0 Hours of Varying Wind Direction : 0 Hours of Missing Data : 0 Hours of Missing Data for All . O Hours of No Stability Class : 0 Total hours of observation : 0 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 j SITE: V. C. SUMMER Nuclear Station UNIT 1 pjpg[Qugp{gp}gg3 Report Date : 94-02-07

, Data Period . 93 1 00:00 to 93- 3-31 23:00 j Stability Class: E delta T/ delta : 61->10 m Delta T With Substitution i Wind Sensor Height : 10 meter +++ Batch Release Times Only +++

j Hours at Each Wind Direction and speed l

1 Direction Mean j 0.75- <4 4- <8 8- <13 13- (19 19- 24 >24 Total' Speed j _ _ _ _ _ _ . _ _ . ________ ________ ___ ______ _____

N 0 0 0 0 0 0 0 0.00 I NNE 0 0 0 0 0 0 0 0.00

!, NE O O O O O O 0 0.00 j ENE O O O 0 0 0 0 0.00 j E O O 0 0 0 0 0 0.00 1

ESE O O O O 0 0 0 0.00 f SE O 0 0 0 0 0 0 0.00 l SSE O O O 0 0 0 0 0.00 i S 0 0 0 0 0 0 0 0.00 1 SSW 0 0 0 0 0 0 0 0.00 i SW 0 0 0 0 0 0 0 0.00 i WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 l WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 g _______________.___._____________________________ _-___ ______________ _______

Total 0 0 0 0 0 0 0 i

j Houraiof Calm -

0 4 Hours of Varying Wind Direction . 0 4

Hours of Missing Data : 0 Hours of Missing Data for All . O Hours of No Stability Class . O Total hours of observation -

0 1

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l JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 FirSt @ der 1993

Report Date: 94-02-07 Data Period : 93 1 00:00 to 93- 3-31 23:00 Stability Class: F delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter +++ Batch Release Times Onlj ++t

Hours at Each Wind Direction and Speed 1

Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O O O 0 0 0 0.00 NE O O 0 0 0 0 0 0.00 l ENE O O O O O O 0 0.00 ,

E 0 0 0 0 0 0 0 0.00 J ESE O O O O 0 0 0 0.00 SE 0 0 0 0 0 0 0 0.00 SSE O O O O O O O 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 Hours of Calm : 0 Hours of Varying Wind Direction -

0 Hours of Missing Data . O Hours of Missing Data for All 0 Hours of No Stability Class . O Total hours of observation 0 i

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l JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 i SITE: V. C. SUMMER Nuclear Station UNIT 1 First Quarter 1993 Report Date . 94-02-07 ;

Data Period . 93 1 00:00 to 93- 3-31 23:00 Stability Class: G delta T/ delta z 61->10 m Delta T With Substitution l

Wind Sensor Height 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N O O 0 0 0 0 0 0.00 NNE O O O O O O O 0.00 NE 0 0 0 0 0 0 0 0.00

! ENE O O O 0 0 0 0 0.00 E O 0 0 0 0 0 0 0.00 ESE 0 0 0 0 0 0 0 0.00 SE O O O O O 0 0 0.00 SSE O O O O O O O 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 i Hourssof Calm 0 ,

l Hours of Varying Wind Direction 0 '

Hours of Missing Data : 0 Hours of Missing Data for All 0 Hours of No Stability Class 0 Total hours of observation 0 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 FirSt Quarter 1993 Report Date . 94-02-07 Data Period 93 1 00:00 to 93- 3-31 23:00 Stability Class:ALL delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed i

Wind Wind Speed (miles / hour) l Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N O O O O 0 0 0 0.00 NNE O O O O 0 0 0 0.00 NE O O 0 0 0 0 0 0.00 ENE O O O O 0 0 0 0.00 E O O O O O O O 0.00 ESE O O 0 0 0 0 0 0.00 SE O O O O O O O 0.00 SSE 0 0 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW G 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 l Total 0 0 0 0 0 0 0 Hourst of Calm -

0 Hours of Varying Wind Direction 0 Hours of Missing Data for All 0 Hours of No Stability Class . 0 l Total hours of observation 0 !

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 First Quarter 1993 Report Date 94-02-07 Data Period 93 1 00:00 to 93- 3-31 23:00 MISSING DATA FOR THIS REPORT PERIOD WD1 WD2 WS1 WS2 DTl DT2 0 0 0 0 0 0 Hours with no stability class and invalid wind direction or wind speed : 0 l

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4 a JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLAS5 SITE: V. C. SUMMER Nuclear Station UNIT 1 Table 8 1

, l Repott Date 94-02-07

! Data Period

93 1 00:00 to 93- 6-30 23:00 Second Quarter 1993 )

Stability Class: A delta T/ delta 61->10 m Delta T With Substitution i Wind Sensor Height -

10 meter +++ Batch Release Times Only +++

! Hours at Each Wind Direction and Speed I

4 Wind Wind Speed (miles / hour) j Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed s ________ _-____. ___-

N 0 0 0 0 0 0 0 0.00 l

4 NNE O O O O O O O 0.00 NE 0 0 0 0 0 0 0 0.00 ENE O O 0 0 0 0 0 0.00 E 0 0 0 0 0 0 0 0.00 ESE O O 0 0 0 0 0 0.00

, SE O O O 0 0 0 0 0.00 SSE O O O O O O O 0.00

S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 l W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 J

Hours >of Calm

0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 4

Hours of Missing Data for All . O Hours of No Stability Class

0 Total hours of observation . 19 i

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 80COnd Quarter 1993 Report Date 94-02-07 Data Period 93 1 00:00 to 93- 6-30 23:00 Stability Class: B delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Tot a l' Speed N 0 0 0 0 0 0 0 0.00 NNE O O 0 0 0 0 0 0.00 NE O O 0 0 0 0 0 0.00 ENE O O 1 0 0 0 1 11.85 E O 0 0 0 0 0 0 0.00 ESE O O O O O O 0 0.00 SE 0 0 0 0 0 0 0 0.00 SSE O 0 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 1 0 0 0 0 1 4.90 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 j Total 0 1 1 0 0 0 2 Hours >of Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data . O Hours of Missing Data for All 0 Hours of No Stability Class 0 Total hours of observation 19 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 l l

SITE: V. C. SUFMER Nuclear Station UNIT 1 Second Quarter 1993 '

Report Date 94-02-07 Data Period - 93 1 00:00 to 93- 6-30 23:00 Stability Class: C delta T/ delta : 61->10 m Delta T With Substitution Wind Sensor Height 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O 0 0 0 0 0 0 0.00 NE O O O O O O O 0.00 ENE O O O 0 0 0 0 0.00 E O O 0 0 0 0 0 0.00 ESE O 0 0 0 0 0 0 0.00 SE O O 0 0 0 0 0 0.00 SSE O O 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 l

WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 Hours;of Calm . O Hours of Varying Wind Direction . O Hours of Missing Data 0 Hours of Missing Data for All 0 Hours of No Stability Class : 0 Total hours of observation . 19 I

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 80COnd Quarter 1993 Report Date 94-02-07 Data Period 93 1 00:00 to 93- 6-30 23:00 Stability Class: D delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 1 0 0 0 1 11.03 NNE O O 4 1 0 0 5 12.04 NE 0 0 3 1 0 0 4 11.64 ENE 0 0 2 0 0 0 2 10.79 E O O O O 0 0 0 0.00 ESE 0 0 0 0 0 0 0 0.00 l

SE O 0 0 0 0 0 0 0.00 l SSE 0 0 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00

! SSW 0 0 0 0 0 0 0 0.00 SW 0 1 0 0 0 0 1 4.40 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00

'r" I'. . 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 1 10 2 0 0 13 Hoursiof Calm 0 Hours of Varying Wind Direction - 0 Hours of Missing Data . O Hours of Missing Data for All . O Hours of No Stability Class 0 Total hours of observation 19 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 I SITE: V. C. SUMMER Nuclear Station UNIT 1 SeCOnd Quarter 1993 Report Date 94-02-07 Data Period 93 1 00:00 to 93- 6-30 23:00 Stability Class: E delta T/ delta z 61->10 m Delta T With Substitution '

Wind Sensor Height . 10 meter +++ Batch Release Times Only +++ l Hours at Each Wind Direction and Speed '

Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O O O O O O 0.00 NE O O 0 0 0 0 0 0.00 ENE O O O 0 0 0 0 0.00 E 0 0 0 0 0 0 0 0.00 ESE O O O O O O 0 0.00 SE O O O O O O O 0.00 SSE O O O O O 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 2 0 0 0 0 2 7.68 SW 0 1 0 0 0 0 1 7.38 WSW 0 1 0 0 0 0 1 4.67 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 4 0 0 0 0 4 Hours;of Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All . O Hours of No Stability Class 0 Total hours of observation 19 l

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I JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Second Quarter 1993 Report Date 94-02-07 i

Data Perloc. 93 1 00:00 to 93- 6-30 23:00 Stability Class: F delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height -

10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean i

0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed

}

N 0 0 0 0 0 0 0 0.00 NNE O O O O O O O 0.00

) NE O O O O O 0 0 0.00 ENE 0 0 0 0 0 0 0 0.00 E O O O O O O O 0.00 ESE O O O O O 0 0 0.00 SE O O 0 0 0 0 0 0.00 SSE O O O 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 4 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 2 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 d 0 0 Hourseof Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All 0 Hours of No Stability Class 0 Total hours of observation . 19 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Second Quarter 1993

. Report Date 94-02-07 Data Period : 93 1 00:00 to 93- 6-30 23:00 Stability Class: G delta T/ delta : 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NME 0 0 0 0 0 0 C 0.00 NE O O O O O O O 0.00 ENE O O O 0 0 0 0 0.00 E O O O O O O O 0.00 ESE O O O O 0 0 0 0.00 SE O 0 0 0 0 0 0 0.00 SSE O 0 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 Hours >of Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All . 0 l Hours of No Stability Class 0 l Total hours of observation 19 Page 64

JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Second Quarter 1993 Report Date . 94-02-07 Data Period 93 1 00:00 to 93- 6-30 23:00 Stability Class:ALL delta T/ delta :: 61->10 m Delta T With Substitution l Wind Sensor Height 10 meter +++ Batch Release Times Only +++ )

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 1 0 0 0 1 11.03 NNE O O 4 1 0 0 5 12.04 NE O O 3 1 0 0 4 11.64 ENE 0 0 3 0 0 0 3 11.14 E O O O 0 0 0 0 0.00 ESE O O O 0 0 0 0 0.00 SE O O 0 0 0 0 0 0.00 SSE O O O O 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 2 0 0 0 0 2 7.68 SW 0 3 0 0 0 0 3 5.56 WSW 0 1 0 0 0 0 1 4.67 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 6 11 2 0 0 19 Hours 3of Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data for All : 0 Hours of No Stability Class . O Total hours of observation -

19 Page 65

JOINT WIND FPIQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 1

SITE: V. C. SUMMER Nuclear Station UNIT 1 Second Quarter 1993 Report Date -

94-02-07 Data Period . 93 1 00:00 to 93- 6-30 23:00 MISSING DATA FOR TIIIS REPORT PERIOD WD1 WD2 WS1 WS2 DTl DT2 0 0 0 0 11 0 Hours with no stability class and invalid wind direction or wind speed 0 3

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SITE: V. C. SUMMER Nuclear Station UNIT 1 Table 8 Report Date . 94-02-07 Data Period - 93 1 00:00 to 93- 9-30 23:00 Third Quarter 1993 Stability Class: A delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >?4 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE 0 0 0 0 0 0 0 0.00 NE O O O O 0 0 0 0.00 ENE O 0 0 0 0 0 0 0.00 E O O 0 0 0 0 0 0.00 ESE O O O 0 0 0 0 0.00 SE O O O O 0 0 0 0.00 SSE O O O O O O O 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 1 0 0 0 0 1 4.71 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 1 0 0 0 0 1 Hours,of Calm . O Hours of Varying Wind Direction -

0 Ho;rs of Missing Data 0 Hours of Missing Data for All -

0 Hours of No Stability Class 0 Total hours of observation 10 i

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I JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date -

94-02-07 Data Period 93 1 00:00 to 93- 9-30 23:00 Stability Class: B delta T/ delta z 61->10 m Delta T With Substitution l Wind Sensor Height 10 meter +++ Batch Release Times Only +++ )

Hours at Each Wind Direction and Speed l

Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O O O O O O 0,00 NE 0 0 0 0 0 0 0 0.00 ENE O O O 0 0 0 0 0.00 E O O O O O O O 0.00 ESE O O O O O 0 0 0.00 SE O O O O O O O 0.00 SSE O 0 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW O O O O 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 Hours 2of Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All 0 Hours of No Stability Class

0 Total hours of observation 10 i

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date . 94-02-07 Data Period - 93 1 00:00 to 93- 9-30 23:00 Stability Class: C delta T/ delta 2 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O 0 0 0 0 0 0.00 NE O 0 0 0 0 0 0 0.00 ENE O O O O O 0 0 0.00 E O 0 0 0 0 0 0 0.00 ESE O 0 0 0 0 0 0 0.00 SE O O O O O 0 0 0.00 SSE O O O O O O O 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 Hours 2 of Calm -

0 Hours of Varying Wind Direction

0 Hours of Missing Data

O Hours of Missing Data for All -

0 Hours of No Stability Class . O Total hours of observation 10 i

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date 94-02-07 l Data Period - 93 1 00:00 to 93- 9-30 23:00 Stability Class: D delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height -

10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed I N 0 0 0 0 0 0 0 0.00 NNE O O 2 1 0 0 3 12.06 NE O O 0 0 0 0 0 0.00 ENE O O O 0 0 0 0 0.00 E O 0 0 0 0 0 0 0.00 ESE O O 0 0 0 0 0 0.00 SE O O O O O 0 0 0.00 SSE O O O O O O O 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 1 0 0 0 0 1 6.93 NN 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 1 2 1 0 0 4 Hours 2of Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All -

0 Hours of No Stability Class -

0 Total hours of observation 10 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date 94-02-07 Data Period 93 1 00:00 to 93- 9-30 23:00 Stability Class: E delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O O O O O 0 0.00 NE O O O O O 0 0 0.00 ENE O 0 0 0 0 0 0 0.00 E 0 0 0 0 0 0 0 0.00 ESE O O 0 0 0 0 0 0.00 SE O O O O O O O 0.00 SSE O O O O O O O 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 1 0 0 0 1 8.15 SW 0 2 0 0 0 0 2 6.55 WSW 0 1 0 0 0 0 1 5.74 W 0 1 0 0 0 0 1 6.10 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 4 1 0 0 0 5 Hours)of Calm 0

!!ours of Varying Wind Direction . O Hours of Missing Data -

0 Hours of Missing Data for All . O Hours of No Stability Class 0 Total hours of observation 10 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date 94-02-07 Data Period 93 1 00:00 to 93- 9-30 23:00 Stability Class: F delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O 0 0 0 0 0 0.00 NE 0 0 0 0 0 0 0 0.00 ENE O O O O O O O 0.00 E O O O O O O 0 0.00 ESE O O O O O 0 0 0.00 SE O O O O O O O 0.00 SSE O O 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 l NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 Hoursiof Calm . O Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All 0 Hours of No Stability Class 0 Total hours of observation 10 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date . 94-02-07 Data Period 93 1 00:00 to 93- 9-30 23:00 Stability Class: G delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <l9 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O O O O O O 0.00 NE O O 0 0 0 0 0 0.00 ENE O O O O O O O 0.00 E O O O O 0 0 0 0.00 ESE O O O O 0 0 0 0.00 SE 0 0 0 0 0 0 0 0.00 SSE O O O O O 0 0 0.00 S 0 0 0 0 0 0 0 0.00 l SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 l l

Hours 2of Ca]m 0 Hours of Varying Wind Direction - 0 Hours of Missing Data . O Hours of Missing Data for All -

0

)

Hours of No Stability Class . 0 Total hours of observation 10 Page 73

l JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS TabL 8 ;

SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 Report Date 94-02-07 Data Period 93 1 00:00 to 93- 9-30 23:00 l Stability Class:ALL delta T/ delta : 61->10 m Delta T With Substitution l Wind Sensor Height - 10 meter +++ Batch Release Times Only +++

l Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13 ,<19 19- 24 >24 Total' Speed

\

N 0 0 0 0 0 0 0 0.00 NME O O 2 1 0 0 3 12.06 NE 0 0 0 0 0 0 0 0.00 ENE 0 0 0 0 0 0 0 0.00 E O O O 0 0 0 0 0.00 ESE O O 0 0 0 0 0 0.00 SE O O 0 0 0 0 0 0.00 SSE O 0 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 1 0 0 0 1 8.15 I

SW 0 2 0 0 0 0 2 6.55 WSW 0 2 0 0 0 0 2 5.22 W 0 1 0 0 0 0 1 6.10 l

WNW 0 1 0 0 0 0 1 6.93 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 6 3 1 0 0 10 Hours 2of Calm 0 Hours of Varying Wind Direction -

0 Hours of Missing Data for All 0 Hours of No Stability Class . O Total hours of observation 10 Page 74

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 l

SITE: V. C. SUMMER Nuclear Station UNIT 1 Third Quarter 1993 )

l Report Date -

94-02-07 l Data Period , 93 1 00:00 to 93- 9-30 23:00 ,

l l

l MISSING DATA FOR THIS REPORT PERIOD WD1 WD2 WS1 WS2 DT1 DT2 0 0 0 0 10 0 i

Hours with no stability class and invalid wind direction or wind speed 0 2

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Table 8 Report Date 94-02-07 Data Period 93 1 00:00 to 93-12-31 23:00 Fourth Quarter 1993 '

Stability Class: A delta T/ delta : 61->10 m Delta T With Substitution Wind Sensor Height 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O O O O O O 0.00 NE O O O 0 0 0 0 0.00 ENE O O O O O O O 0.00 E O O O 0 0 0 0 0.00 ESE O O O O O 0 0 0.00 SE O O O O O O O 0.00 SSE O O O O 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 3 0 0 3 17.54 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 3 0 0 3 Hourseof Calm . 0 Hours of Varying Wind Direction . O Hours of Missing Data 0 Hours of Missing Data for All -

0 Hours of No Stability Class . O Total hours of observation . 8 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 Report Date 94-02-07 l Data Period 93 1 00:00 to 93-12-31 23:00 '

Stability Class: B delta T/ delta : 61->10 m Delta T With Substitution J Wind Sensor Height 10 meter +++ Batch Release Times Only +++ i Hours at Each Wind Direction and Speed !

--------------- ._ - - . - - - - - - - - - \

Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed

- - - - - - - - - - - - - - - - - - - - - - - ~ ~ - - - - - - - - - - - - - - - - - - - - - - - -

N O O O O 0 0 0 0.00 NNE O O O O O 0 0 0.00 NE O O 0 0 0 0 0 0.00 ENE O 0 0 0 0 0 0 0.00 E O 0 0 0 0 0 0 0.00 ESE O 0 0 0 0 0 0 0.00 SE 0 0 0 0 0 0 0 0.00 SSE O O 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 1 0 0 1 17.08 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 1 0 0 1 Hours,of Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data 0 Hours of Missing Data for All 0 Hours of No Stability Class -

0 Total hours of observation -

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l JOINT NIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUIC4ER Nuclear Station UNIT 1 Fourth Quarter 1993 Report Date : 94-02-07 I

Data Period 93 1 00:00 to 93-12-31 23:00 Stability Class: C delta T/ delta : 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed ,

N 0 0 0 0 0 0 0 0.00 NNE O O O O O O O 0.00 NE 0 0 0 0 0 0 0 0.00 ENE 0 0 0 0 0 0 0 0.00 E O 0 0 0 0 0 0 0.00 ESE 0 0 0 0 0 0 0 0.00 SE O 0 0 0 0 0 0 0.00 SSE O O O O 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00

! SSW 0 0 0 0 0 0 0 0.00 l SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 1 0 0 1 13.78 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 1 0 0 1 Hourst of Calm 0 Hours of Varying Wind Direction 0 Hours of Missing Data

0 Hou S of Missing Data for All -

0 Hours of No Stability Class 0 Total hours of observation 8 i

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 l

SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 Report Date 94-02-07 Data Period 93 1 00:00 to 93-12-31 23:00 Stability Class: D delta T/ delta :: 61->10 m Delta T With Substitution Wind Sensor Height 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE 0 0 0 0 0 0 0 0.00 NE 0 0 0 0 0 0 0 0.00 ENE O 0 0 0 0 0 0 0.00 ;

E O O 0 0 0 0 0 0.00 j ESE O O O O O O 0 0.00 '

SE O 0 0 0 0 0 0 0.00 SSE 0 0 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 i WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 1 0 0 0 1 9.50 .

NW 0 1 1 0 0 0 2 9.36 I NNW 0 0 0 0 0 0 0 0.00 Total 0 1 2 0 0 0 3 l Hourseof Calm 0 l

Hours of Varying Wind Direction 0 I Hours of Missing Data 0 Hours of Missing Data for All 0 Hours of No Stability Class . O Total hours of observation 8 l

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l JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 Report Date 94-02-07 Data Period . 93 1 00:00 to 93-12-31 23:00 Stability Class: E delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O O O O O O 0.00 NE O O O O O O O 0.00 ENE O 0 0 0 0 0 0 0.00 E 0 0 0 0 0 0 0 0.00 ESE O O O O O 0 0 0.00 SE O 0 0 0 0 0 0 0.00 SSE 0 0 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 l WSW 0 0 0 0 0 0 0 0.00 l W 0 0 0 0 0 0 0 0.00 l

WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 Hourseof Calm 0 i Hours of Varying Wind Direction . 0 '

Hours of Missing Data : 0 1 Hours of Missing Data for All . O Hours of No Stability Class 0 Total hcurs of observation 8 l

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourtli Quarter 1993 Report Date 94-02-07 Data Period 93-10-- 1 00:00 to 93-12-31 23:00 Stability Class: F delta T/ delta : 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter +++ Batch Release Times Only +++

Hours at Each hind Direction and Speed Wind Wind Speed (miles / hour)

Direction MeLin 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O O O O O O O 0.00 NE O O O 0 0 0 0 0.00 ENE O O O 0 0 0 0 0.00 E 0 0 0 0 0 0 0 0.00 ESE O O 0 0 0 0 0 0.00 SE O O O O 0 0 0 0.00 SSE 0 0 0 0 0 0 0 0.00 S 0 0 0 0 0 0 0 0.00 l SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW 0 0 0 0 0 0 0 0.00 NW 0 0 0 0 0 0 0 0.00 NNW 0 0 0 0 0 0 0 0.00 l

Total 0 0 0 0 0 0 0 l

Hourseof Calm -

0 I Hours of Varying Wind Direction 0 i Hours of Missing Data . O Hours of Missing Data for All

0 j Hours of No Stability Class

. 0 Total hours of observation -

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l JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 Report Date : 94-02-07 Data Period - 93 1 00:00 to 93-12-31 23:00 Stability Class: G delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height . 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed l

l N 0 O 0 0 0 0 0 0.00 NNE O 0 0 0 0 0 0 0.00 -

NE 0 0 0 0 0 0 0 0.00 ENE O 0 0 0 0 0 0 0.00 E O O 0 0 0 0 0 0.00 ESE 0 0 0 0 0 0 0 0.00 SE O O O O O O O 0.00 SSE O O O O O O 0 0.00 S 0 0 0 0 0 0 0 0.00 SSW 0 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 l WSW 0 0 0 0 0 0 0 0.00 W 0 0 0 0 0 0 0 0.00 WNW D 0 0 0 0 0 0 0.00 l NW 0 0 0 0 0 0 0 0.00 1

NRW 0 0 0 0 0 0 0 0.00 Total 0 0 0 0 0 0 0 Hourseof Calm . O Hours of Varying Wind Direction . O Hours of Missing Data . O Hours of Missing Data for All 0 Hours of No Stability Class -

0 Total hours of observation 8 I

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JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUt@iER Nuclear Station UNIT 1 Fourth Quarter 1993 ;

Report Date . 94-02-07 Data Period . 93 1 00:00 to 93-12-31 23:00 Stability Class:ALL delta T/ delta z 61->10 m Delta T With Substitution l Wind Sensor Height 10 meter +++ Batch Release Times Only +++

Hours at Each Wind Direction and Speed Wind Wind Speed (miles / hour)

Direction Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 0 0 0 0.00 NNE O 0 0 0 0 0 0 0 00 NE O 0 0 0 0 0 0 0.00 ENE O 0 0 0 0 0 0 0.00 E O O 0 0 0 0 0 0.00 l ESE O O 0 0 0 0 0 0.00 SE O O O 0 0 0 0 0.00 SSE O O O O O O O 0.00 S 0 0 0 0 0 0 0 0.00 SSW C 0 0 0 0 0 0 0.00 SW 0 0 0 0 0 0 0 0.00 WSW 0 0 0 0 0 0 0 0.00 l W 0 0 0 0 0 0 0 0.00 j WNW 0 0 1 0 0 0 1 9.50 NW 0 1 1 5 0 0 7 14.60 NNW 0 0 0 0 0 0 0 0.00 Total 0 1 2 5 0 0 8 I Hourseof Calm -

0 l Hours of Varying Wind Direction 0 Hours of Missing Data for All 0 Hours of No Stability Class 0 Total hours of observation 8 l

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I JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS Table 8 SITE: V. C. SUMMER Nuclear Station UNIT 1 Fourth Quarter 1993 Report Date . 94-02-07 Data Period : 93 1 00:00 to 93-12-31 23:00 MISSING DATA FOR THIS REPORT PERIOD WD1 WD2 WS1 WS2 DTl DT2 l 0 0 0 0 0 0 Hours with no stability class and invalid wind direction or wind speed 0 i

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RC-94-0052, Semiannual Effluent & Waste Disposal Rept for Operating Period,930701-1231

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