ML100990240

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Annual Radioactive Effluent Release Report for Period of January 1 Through December 31, 2009
ML100990240
Person / Time
Site: Summer South Carolina Electric & Gas Company icon.png
Issue date: 04/07/2010
From: Lippard G A
South Carolina Electric & Gas Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML100990240 (75)
v • d • e


Text

George A. Lippard General Manager, Nuclear Plant Operations 803.345.4810 A SCANA COMPANY April 7, 2010 Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555

Dear Sir / Madam:

Subject:

VIRGIL C. SUMMER NUCLEAR STATION DOCKET NO. 50-395 OPERATING LICENSE NO. NPF-12 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT Enclosed is the South Carolina Electric & Gas Company (SCE&G) Annual Radioactive Effluent Release Report as required by 1 OCFR50.36a, Section 6.9.1.8 of the Virgil C.Summer Nuclear Station Technical Specifications and Section 1.6.2 of the Offsite Dose Calculation Manual (ODCM). This submittal covers the period of January 1 through December 31, 2009.Should there be any questions, please contact Ms. Susan B. Reese at (803) 345-4591.Very truly yours, George A. Lippard SBR/GAL/cm Enclosures c: w/o enclosure unless noted K. B. Marsh S. A. Byrne J. B. Archie N. S. Carns J. H. Hamilton R. J. White K. J. Browne L. A. Reyes R. E. Martin K. M. Sutton NRC Resident Inspector M. Coleman M. B. Roberts NSRC T. P. O'Kelley, (SCDHEC), (w/enclosure)

E. Everett, (ANI), (w/enclosure)

RTS (LTD 313)File (818.02-1, RR 8350)PRSF (RC-10-0048), (w/enclosure)

Virgil C. Summer Station. Post Office Box 88

  • Jenkinsville, SC

Also included is an assessment of radiation doses from plant releases.A brief discussion of the Supplemental Information and Tables 1 through 5 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 6. There were no abnormal releases for the period. A summary of the meteorological data for 2009 is presented in Section G and Tables 7 and 8. There were no changes made to the Offsite Dose Calculation Manual (ODCM) during the 12-month period.Section I gives a summary of oil incineration during the year. There were no ODCM Reportable Incidences.

A. Supplemental Information Regulatory limits for doses, dose rate and effluent concentration limits presented in Supplemental Information are from the Virgil C. Summer Nuclear Station ODCM and 40 CFR 190. Average energy (E-bar) is not applicable to the method for determining release rate limits for fission and activation gaseous effluents; therefore, it has been omitted.B. Gaseous Effluents Gaseous effluents released from ground level are summarized in Tables 1 and 2. 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.PAGE 1 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY -DECEMBER, 2009 VIRGIL C. SUMMER NUCLEAR STATION SOUTH CAROLINA ELECTRIC & GAS C. Liquid Effluents Liquid effluents are summarized in Tables 3 and 4. Estimated total errors are expressed as in Section B above.D. Solid Waste Shipments Solid waste shipments are summarized in Table 5. Curie content of radioactive waste packages is determined by dose rates and/or gamma spectroscopy analysis of samples. 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 were calculated using measured plant gaseous effluents and meteorological data in accordance with the Offsite Dose Calculation Manual. The source term involved 0.4 days Waste Gas Decay Tank (WGDT) releases, 1.5 days of 6-inch Reactor Building purge releases, 23.0 days of 36-inch Reactor Building purge releases and a continuous 12-month Main Plant vent release. Oil incineration occurred for 6.8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> in 2009. Doses are summarized in Table 6.The total activities released are presented in Tables 1 and 2. The highest quarterly air doses to the maximum exposed individual due to noble gases were 2.45E-03 mrad for gamma during the fourth quarter and 1.01 E-03 mrad for beta during the fourth quarter. The maximum quarterly organ dose attributed to the releases was 1.05E-03 mrem for the fourth quarter. Cumulative annual dose was 2.45E-03 mrad, 1.01 E-03 mrad and 1.14E-03 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 211 Waste Monitor Tank batch releases, 26 Condensate Backwash Receiver Tank batch releases, 1 NaOH batch release, 3 Nuclear Blowdown Monitor Tank batch releases, 34.5 days of Steam Generator Blowdown release and a continuous Turbine Building Sump release.PAGE 2 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY -DECEMBER, 2009 VIRGIL C. SUMMER NUCLEAR STATION SOUTH CAROLINA ELECTRIC & GAS Doses are summarized in Table 6 and total radioactivity released is described in Tables 1 and 3. The highest quarterly total body dose to the maximum exposed individual due to the release of radioactive liquid was 2.76E-03 mrem during the fourth quarter. The highest organ dose was 2.92E-03 mrem to the GI-LLI for the fourth quarter.Cumulative annual doses for the hypothetical maximum exposed individual were 6.24E-03 mrem for the total body and 6.33E-2 mrem for the LIVER, the maximum annual organ. The LIVER was the maximum exposed organ for the first through third quarters and the GI-LLI was the maximum exposed organ for the fourth quarter.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 members of the public due to their activities inside the site boundary were assessed using liquid and gaseous effluents along with meteorological data.Quarterly thermoluminescent dosimetry data from four (4) monitoring locations within the site boundary and eight (8) locations around the site boundary perimeter were analyzed and compared with respective pre-operational background and previous year history. Results showed that the 2009 quarterly dose rates did not differ significantly from the pre-operational or 2008 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 for the 12-month period were calculated to be 1.1 5E-04 and 4.75E-05 mrad for gamma and beta, 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.PAGE 3 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY -DECEMBER, 2009 VIRGIL C. SUMMER NUCLEAR STATION SOUTH CAROLINA ELECTRIC & GAS F. Abnormal Releases During 2009, the plant had no abnormal releases.G. Meteorology The meteorology data for 2009 is summarized in Table 7, by quarter. The data are shown as joint frequency distributions of wind direction and speed by atmospheric stability class.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).The combined annual data recovery for wind direction, wind speed and stability was 97.5%. Primary variable recovery rates were as follows: wind direction (10 m) -97.5%, wind speed (10 m) -97.5%, and differential temperature (61 -10 m) -97.5%.H. Offsite Dose Calculation Manual The Virgil C. Summer Nuclear Station ODCM was not revised in 2009.Oil Incineration The incinerator operated for a period of 6.8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, burning 40.8 gallons of oil at the average rate of 6.0 gal/hr. The incinerated oil contained concentrations of 1.65E-08 uCi/mI for Co-60, 1.38E-08 uCi/mI for Cs-1 34 and 1.07E-08 uCi/ml for Cs-1 37. The dose to the maximum exposed individual from the incinerated oil was 7.30E-08 mrem.J. Offsite Dose Calculation Manual Reportable Incidences There were no ODCM Reportable Incidences in 2009.PAGE 4 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY -DECEMBER, 2009 VIRGIL C. SUMMER NUCLEAR STATION SOUTH CAROLINA ELECTRIC & GAS SUPPLEMENTAL INFORMATION Regulatory Limits: a. Fission and Activation Gases: The air dose to an individual due to noble gases released in gaseous 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 and 10 mrad for gamma radiation and 20 mrad for beta radiation during any calendar year (ODCM, Section 1.2.3.1).b. lodines, Particulates (half-lives

> 8 days) and Tritium: The dose to an individual from radioidines, 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).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: The annual dose equivalent shall not exceed 25 mrem to the whole body, 75 mrem to the thyroid and 25 mrem to any other organ (40 CFR 190).PAGE 5 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY -DECEMBER, 2009 VIRGIL C. SUMMER NUCLEAR STATION SOUTH CAROLINA ELECTRIC & GAS 2. Dose Rate and Effluent Concentration Limits: 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 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).b. lodines, Particulates (half-lives

> 8 days) and Tritium: 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 any organ (ODCM, Section 1.2.2.1).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 2, Column 2 for radionuclides other than dissolved or entrained noble gases. For dissolved or entrained noble gases, the concentration shall be limited to 2E-04 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 d. Tritium: Liquid scintillation

e. Liquid effluents:

Gamma spectrometry (HPGe), liquid scintillation (H-3), beta proportional counting, alpha proportional counting.PAGE 6 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY -DECEMBER, 2009 VIRGIL C. SUMMER NUCLEAR STATION SOUTH CAROLINA ELECTRIC & GAS 5. Batch Releases: a. Gaseous: 1. Nt 2. Tc 3. M 4. A%5. Mi b. Liquid: imber of batch releases:

2 ,tal time period for batch releases:

645 min aximum time period for a batch release: 410 min ,erage time period for a batch release: 322.5 min inimum time period for a batch release: 235 min 1. Number of batch releases: 41 For first quarter, 2009 34 For second quarter, 2009 44 For third quarter, 2009 122 For fourth quarter, 2009 2. Total time period for batch releases: 3.02E+03 min. for first quarter, 2009 2.36E+03 min. for second quarter, 2009 3.12E+03 min. for third quarter, 2009 8.48E+03 min. for fourth quarter 2009 3. Maximum time period for a batch release: 7.90E+01 min. for first quarter, 2009 8.10E+01 min. for second quarter, 2009 8.40E+01 min. for third quarter, 2009 9.30E+01 min. for fourth quarter, 2009 PAGE 7 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY -DECEMBER, 2009 VIRGIL C. SUMMER NUCLEAR STATION SOUTH CAROLINA ELECTRIC & GAS 4. Average time period for batch releases: 7.36E+01 6.94E+01 7.10E+01 6.95E+01 min. for first quarter, 2009 min. for second quarter, 2009 min. for third quarter, 2009 min. for fourth quarter, 2009 5. Minimum time period for a batch release: 5.20E+01 min. for first quarter, 2009 5.00E+00 min. for second quarter, 2009*7.00E+00 min. for third quarter, 2009**2.50E+01 min. for fourth quarter, 2009* NaOH sump release.** Release terminated due to diaphragm leak.6. Average stream flow during periods of release of effluent into a flowing stream: 6.27E+06 9.43E+06 1.01E+07 4.19E+06 gpm for first quarter, 2009 gpm for second quarter, 2009 gpm for third quarter, 2009 gpm for fourth quarter, 2009 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 8 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT January -December 2009 Virgil C. Summer Nuclear Station South Carolina Electric & Gas Table I Gaseous Effluents Summation of All Releases UNITS FIRST SECOND THIRD FOURTH 2009 EST.QUARTER QUARTER QUARTER QUARTER TOTAL ERROR %A. Fission & Activation Gases 1. Total release Ci 2.12E-03 7.28E-04 0.OOE+00 1.69E+00 1.69E+00 18.71 2. Average release rate uCi/sec 2.73E-04 9.25E-05 0.OOE+00 2.13E-01 5.36E-02 3. Percent ODCM Qtr. gamma air dose limit % 5.50E-05 1.96E-05 0.0OE+00 4.90E-02 N/A 4. Percent ODCM annual gamma air dose limit % 2.75E-05 3.73E-05

  • 3.73E-05
  • 2.45E-02
  • 2.45E-02 5. Percent ODCM Qtr. beta air dose limit % 1.09E-05 3.84E-06 0.OOE+00 1.01 E-02 N/A 6. Percent ODCM annual beta air dose limit % 5.46E-06 7.38E-06
  • 7.38E-06
  • 5.05E-03
  • 5.05E-03 B. lodines 1.Total iodine -131 Ci 0.OOE+00 7.15E-07 3.28E-06 1.67E-05 2.07E-05 63.26 2. Average release rate uCi / sec 0.OOE+00 9.10E-08 4.13E-07 2.1OE-06 6.56E-07 C. Particulates
1. Particulates with half- lifes > 8 days Ci 2.28E-06 4.1OE-07 2.25E-06 0.OOE+00 4.94E-06 103.93 2. Average release rate uCi / sec 2.94E-07 5.21 E-08 2.83E-07 0.OOE+00 1.56E-07 3. Gross alpha radioactivity Ci 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 D. Tritium 1. Total release Ci 8.91E-04 0.Q0E+00 0.OOE+00 1.39E+00 1.39E+00 41.90 2. Average release rate uCi / sec 1.15E-04 0.QOE+00 0.OOE+00 1.75E-01 4.42E-02 E. Organ Dose (from B,C,and D)1. Percent ODCM Qtr. organ dose limit % 6.26E-06 1.75E-04 9.96E-04 1.40E-02 N/A 2. Percent ODCM annual orqan dose limit % 3.13E-06 9.07E-05
  • 5.89E-04
  • 7.60E-03

-- GROUND-LEVEL RELEASES Continuous Mode Batch Mode Nuclides Released Units First Second Third Fourth Annual First Second Third Fourth Annual I I Quarter Quarter Quarter Quarter Total Quarter Quarter Quarter Quarter Total 1 Fission gases Krypton-85 Ci 0 0 0 0 0 0 0 0 1.13E-01 1.13E-01 Krypton-85m Ci 0 0 0 0 0 0 0 0 0 0 Krypton-87 Ci 0 0 0 0 0 0 0 0 0 0 Krypton-88 Ci 0 0 0 0 0 0 0 0 0 0 Xenon-131m Ci 0 0 0 0 0 0 0 0 0 0 Xenon-133 Ci 6.66E-04 2.08E-04 0 3.47E-02 3.56E-02 0 0 0 3.39E-05 3.39E-05 Xenon-133m Ci 0 0 0 0 0 0 0 0 0 0 Xenon-135 Ci 0 0 0 2.72E-01 2.72E-01 0 0 0 0 0 Xenon-135m Ci 0 0 0 0 0 0 0 0 0 0 Xenon-138 Ci 0 0 0 0 0 0 0 0 0 0 Other: Ar-41 Ci 1.45E-03 5.19E-04 0 1.26E+00 1.26E+00 0 0 0 0 0 Unidentified:

None Ci 0 0 0 0 0 0 0 0 0 0 Total for Period Ci 2.12E-03 7.28E-04 0 1.57E+00 1.57E+00 0 0 0 1.14E-01 1.14E-01 2 lodines and other halogens Iodine-131 Ci 0 7.15E-07 3.28E-06 1.67E-05 2.07E-05 0 0 0 0 0 Iodine-132 Ci 0 0 0 3.95E-04 3.95E-04 0 0 0 0 0 Iodine-133 Ci 0 0 2.02E-05 9.22E-07 2.11E-05 0 0 0 0 0 Br-82 Ci 0 0 0 0 0 0 0 0 0 0 Unidentified:

None Ci 0 0 0 0 0 0 0 0 0 0 Total for Period Ci 0 7.15E-07 2.35E-05 4.12E-04 4.36E-04 0 0 0 0 0 3 Particulates Cromium-51 Ci 0 0 0 0 0 0 0 0 0 0 Manganese-54 Ci 0 0 0 0 0 0 0 0 0 0 Cobalt-58 Ci 0 0 0 0 0 0 0 0 0 0 Cobalt-60 Ci 0 0 0 0 0 0 0 0 0 0 Stronium-89 Ci 0 0 0 0 0 0 0 0 0 0 Stronium-90 Ci 0 0 0 0 0 0 0 0 0 0 Niobium-95 Ci 0 0 0 0 0 0 0 0 0 0 Cesium-134 Ci 0 0 0 0 0 0 0 0 0 0 Cesium-137 Ci 0 0 0 0 0 0 0 0 0 0 Other: Be-7 Ci 2.28E-06 4.10E-07 2.25E-06 0 4.94E-06 0 0 0 0 0 Unidentified:

None Ci 0 0 0 0 0 0 0 0 0 0 Total for Period Ci 2.28E-06 4.10E-07 2.25E-06 0 4.94E-06 0 0 0 0 0 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY-DECEMBER, 2009 Virgil C. Summer Nuclear Station South Carolina Electric & Gas TABLE 3 Liquid Effluents Summation of All Releases FIW5T 5ECOND THIRD FOURTH 20UU9 LbT UNITS QUARTER QUARTER QUARTER QUARTER TOTAL ERROR %A. Fission & Activation Products 1. Total release Ci 1.53E-03 2.43E-03 2.26E-03 8.41 E-03 1.46E-02 18.03 2. Average diluted concentration uCi/mI 4.81 E-12 6.93E-1 2 5.94E-12 2.93E-1 1 1.09E-1 1 B. Tritium 1. Total release Ci 7.OOE+01 1.26E+02 4.32E+02 2.28E+02 8.56E+02 18.10 2. Average diluted concentration uCilml 2.20E-07 3.58E-07 1.14E-06 7.96E-07 6.41 E-07 C. Dissolved and entrained gases 1. Total release Ci 0.OOE+00 2.41E-06 3.77E-03 1.72E-03 5.50E-03 19.06 2. Average diluted concentration uCi/mI 0.OOE+00 6.96E-15 9.92E-12 6.01E-12 4.12E-12 3.Percent ODCM limit ( 2.OE-4 uCi/ml) % 0.OOE+00 3.48E-09 4.96E-06 3.01 E-06 2.06E-06 D. Gross alpha radioactivity

1. Total release Ci 0 0 0 0 0 N/A E. ODCM limits (from A and B)1. Percent of ODCM Qtr total body limit % 3.28E-02 4.29E-02 1.56E-01 1.84E-01 N/A 2. Percent of ODCM annual total body limit % 1.64E-02 3.78E-02
  • 1.16E-01
  • 2.08E-01
  • 2.08E-01 *3. Percent of ODCM Qtr max. organ limit** % 1.04E-02 1.33E-02 4.71 E-02 5.83E-02 N/A 4. Percent of ODCM annual max. organ limit** % 5.19E-03 1.19E-02
  • 3.54E-02
  • 6.27E-02
  • 6.27E-02 *E. Volume of waste released (undiluted) liters 8.97E+06 1.10E+07 7.60E+06 4.69E+07 7.44E+07 3.0 F. Volume of dilution water liters 3.18E+11 3.51E+1 1 3.80E+11 2.87E+11 1.34E+12 4.3* Cumulative
    • See page 3 for max. organ for each quarter and cumulative.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY -DECEMBER, 2009 Virgil C. Summer Nuclear Station, South Carolina Electric & Gas TABLE 4 LIQUID EFFLUENTS Continuous Mode Batch Mode Nuclides Released*

Units First Second Third Fourth Annual First Second Third Fourth Annual Quarter Quarter Quarter Quarter Total Quarter Quarter Quarter Quarter Total Strontium-89 Ci 0 0 0 0 0 8.61E-06 4.27E-07 0 0 9.04E-06 Strontium-90 Ci 0 0 0 0 0 3.74E-06 5.00E-06 0 0 8.74E-06 Cesium-134 Ci 0 0 0 0 0 4.57E-05 7.18E-05 7.40E-05 1.92E-05 2.11E-04 Cesium-137 Ci 0 0 0 0 0 1.15E-04 2.12E-04 1.60E-04 5.24E-05 5.39E-04 Iodine-131 Ci 0 0 0 0 0 0 1.96E-05 5.10E-05 2.20E-05 9.26E-05 Cobalt-57 Ci 0 0 0 0 0 0 0 0 0 0 Cobalt-58 Ci 0 0 0 0 0 9.70E-05 1.06E-04 2.38E-05 1.48E-04 3.75E-04 Cobalt-60 Ci 0 0 0 0 0 6.85E-04 1.34E-03 1.27E-03 5.07E-04 3.80E-03 Iron-59 Ci 0 0 0 0 0 0 0 0 6.24E-06 6.24E-06 Zinc-65 Ci 0 0 0 0 0 0 2.15E-06 0 0 2.15E-06 Manganese-54 Ci 0 0 0 0 0 9.60E-05 1.52E-04 1.25E-04 3.23E-05 4.05E-04 Chromium-51 Ci 0 0 0 0 0 0 7.OOE-06 0 1.62E-04 1.69E-04 Zirconium-Niobium-95 Ci 0 0 0 0 0 9.43E-06 4.65E-06 4.17E-06 3.72E-05 5.55E-05 Molybdenum-99 Ci 0 0 0 0 0 0 0 4.61E-05 1.09E-05 5.70E-05 Technetium-99m Ci 0 0 0 0 0 0 2.29E-05 6.OOE-05 1.75E-05 1.00E-04 Cerium-144 Ci 0 0 0 0 0 0 0 0 0 0 Other: Be-7 Ci 0 0 0 0 0 8.05E-05 2.60E-04 1.55E-05 0 3.56E-04 Na-24 Ci 0 0 0 0 0 0 0 7.04E-06 1.32E-06 8.36E-06 Fe-55 Ci 0 0 0 0 0 3.48E-04 1.73E-05 0 3.80E-04 7.45E-04 As-76 Ci 0 0 0 0 0 0 0 0 3.87E-05 3.87E-05 Ge-77 Ci 0 0 0 0 0 0 0 0 9.99E-07 9.99E-07 Rb-88 Ci 0 0 0 0 0 0 0 0 1.95E-05 1.95E-05 Ru-103 Ci 0 0 0 0 0 0 0 0 5.37E-07 5.37E-07 Ag-110m Ci 0 0 0 0 0 0 0 0 4.90E-06 4.90E-06 Sn-113 Ci 0 0 0 0 0 0 0 0 4.54E-07 4.54E-07 Sb-124 Ci 0 0 0 0 0 0 0 0 9.63E-06 9.63E-06 Sb-125 Ci 0 0 0 0 0 3.71E-05 1.91E-04 3.54E-04 1.28E-04 7.10E-04 Te-123m Ci 0 0 0 0 0 0 0 0 5.35E-05 5.35E-05 Te-125m Ci 0 0 0 0 0 0 0 0 6.74E-03 6.74E-03 Te-129m Ci 0 0 0 0 0 0 0 0 9.19E-06 9.19E-06 Te-132 Ci 0 0 0 0 0 0 0 0 4.22E-07 4.22E-07 1-132 Ci 0 0 0 0 0 0 0 0 1.04E-06 1.04E-06 1-133 Ci 0 0 0 0 0 0 1.83E-05 5.28E-05 1.56E-06 7.27E-05 1-135 Ci 0 0 0 0 0 0 0 1.00E-05 0 1.OOE-05 Total for Period (above) Ci 0 0 0 0 0 1.53E-03 2.43E-03 2.25E-03 8.40E-03 1.46E-02 Ar-41 Ci 0 0 0 0 0 0 0 0 3.32E-05 3.32E-05 Kr-85m Ci 0 0 0 0 0 0 0 0 1.00E-05 1.00E-05 Kr-88 Ci 0 0 0 0 0 0 0 0 1.10E-05 1.10E-05 Xenon-133 Ci 0 0 0 0 0 0 2.44E-06 3.69E-03 1.62E-03 5.31E-03 Xenon-133m Ci 0 0 0 0 0 0 0 5.29E-05 4.80E-06 5.77E-05 Xenon-135 Ci 0 0 0 0 0 0 0 2.86E-05 4.25E-05 7.11E-05*Total Entrained Gases Ci 0 f0 tt0 0 0 0 2.44E-06 n 3.77E-03 1.72E-03Udti

  • Tritium not included.

See Table 3 for tritium numbers ------- No Unidentified nuclides found ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT January -December, 2009 Virgil C. Summer Nuclear Station South Carolina Electric & Gas Table 5 SOLID WASTE AND IRRADIATED FUEL SHIPMENTS 1. Solid Waste Shipped Offsite for Burial or Disposal (Not irradiated fuel).Type of Waste Unit 2009 Est. Total Total Error, %a. Spent resins, filters, sludge, m3 2.24E+01 +/-25 evaporator bottoms, etc. Ci 1.13E+02 b. Dry compressible waste m3 1.69E+02 +/-25 contaminated equip., etc. Ci 3.54E+00 c. Irradiated components, m3 0 control rods, etc. Ci 0 N/A d. Other m3 0 Ci 0 N/A 2. Estimate of major nuclide composition for the year (by type of waste) for concentrations above 1.0%. Activities for nuclides are in Curies.Fe-55 57.2% 6.47E+01 Ni-63 15.4% 1.75E+01 Co-60 12.6% 1.43E+01 Cs-137 6.3% 7.06E+00 Mn-54 3.2% 3.66E+00 Cs-134 3.0% 3.39E+00 Fe-55 45.4% 1.61 E+00 Ni-63 14.6% 5.16E-01 Co-60 13.9% 4.93E-01 Co-58 7.1% 2.53E-01 Cr-51 6.9% 2.44E-01 Zr-95 3.1% 1.09E-01 H-3 1.9% 6.61 E-02 Mn-54 1.7% 6.01 E-02 Cs-137 1.1% 4.03E-02 None N/A N/A None N/A N/A ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT January -December, 2009 Virgil C. Summer Nuclear Station South Carolina Electric & Gas Table 5 SOLID WASTE AND IRRADIATED FUEL SHIPMENTS 3A. Solid Waste Disposition Numbers of Shipments Mode of Transportation Destination 4 HittmanTrucking Barnwell Disposal Facility 1 Hittman Trucking Barnwell Processing Facility SIC 4 R&R Trucking Studsvik Processing Facility TN 1 Studsvik Logistics, LLC Studsvik Processing Facility TN Notes: Twelve (12) partial shipments of DAW were made from Studsvik (Memphis, TN) to Envirocare (Olive, UT) totaling 439.7ft3.Four (4) shipments were sent for direct burial at Barnwell.One (1) shipment was sent to the Barnwell Processing Facility and disposed of at the Barnwell Disposal Facility.3B. Irradiated Fuel Shipments Disposition)

Number of Shipments Mode of Transportation Destination 0 N/A N/A ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY- DECEMBER 2009 Virgil C. Summer Nuclear Station South Carolina Electric & Gas Table 6 GASEOUS AND LIQUID DOSES-.--------

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  • A n~Ir I qa. a.FI'IK I U/RIE I,1WUAK I M 1 nimmu wu/A m I -FUURI H WUAI I Em______ I .q. F P p ODCM Section Percent of Limit Percent of Limit Percent of Limit Percent of Limit IUI/AL ANNUAL DOSE GASEOUS LIMITS DOSE DOSE DOSE DOSE£ L L J J 4- 4. I 1.2.3.1.a,b 1.2.3.1.a,b 1.2.4.1.a,b 1.1.3.1a,b 1.1.3.1a,b 5 mrad gamma / qtr.10 mrad gamma/ yr.10 mrad beta / qtr.20 mrad beta / yr.7.5 mrem organ/qtr 15 mrem organ/yr.LIQUID LIMITS 1.5 mrem / qtr.3 mrem /yr.2.75E-06 mrad 1.09E-06 mrad 4.70E-07 mrem**4.91 E-04 mrem 5.19E-04 mrem (Liver)5.50E-05 2.75E-05 1.09E-05 5.46E-06 6.27E-06 3.13E-06 3.28E-02 1.64E-02 1.04E-02 5.19E-03 9.79E-07 mrad 3.84E-07 mrad 1.31E-05 mrem**6.44E-04 mrem 6.66E-04 mrem (Liver)1.96E-05 3.73E-05 *3.84E-06 7.38E-06 *1.75E-04 9.07E-05 *4.29E-02 3.78E-02 *0.00E+00 mrad 0.00E+00 mrad 7.47E-05 mrem**2.34E-03 mrem 2.36E-03 mrem (Liver)0.00E+00 3.73E-05 *0.00E+00 7.38E-06 *9.96E-04 5.89E-04 *1.56E-01 1.16E-01 *4.71 E-02 3.54E-02 *2.45E-03 mrad 1.01E-03 mrad 1.05E-03 mrem**2.76E-03 mrem 2.92E-03 mrem (GI-LLI)4.90E-02 2.45E-02 *1.01E-02 5.05E-03 *1.40E-02 7.60E-03 *1.84E-01 2.08E-01 *5.83E-02 6.27E-02 *2.45E-03 1.01 E-03 1.14E-03 6.24E-03 6.33E-03 (Liver)5 mrem organ/qtr***

10 mrem organ/yr.1.33E-02 1.19E-02* Includes contribution from previous quarters** Includes dose from all nuclides See page 3 for max organ for each quarter TABLE 7 JOINT FREQUENCY DISTRIBUTION BY QUARTER FOR 2009 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period 9 1 00:00 to 9- 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 0.75- <4 4- <8 8- <13 13- <19 Mean 19- 24 >24 Total' Speed N 0 NNE 0 NE 0 ENE 0 E 0 ESE 0 SE 0 SSE 0 S 0 SSW 0 SW 0 WSW 2 W 1 WNW 0 NW 2 NNW 2 6 2 1 0 1 0 0 0 1 1 5 16 6 3 6 5 3 0 3 1 0 1 0 0 0 1 10 17 9 5 6 4 2 4 3 0 0 0 0 0 1 0 0 1 1 3 0 4 19 1 0 2 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 8 10 2 1 1 0 0 2 2 15 36 17 11 14 15 10.14 14.65 15.85 15.59 7.93 8.15 0.00 0.00 11.59 8.35 8.90 8.28 9.15 9.70 7.08 9.51 Total 7 53 60 6 1 146 Hours of Calm Hours Hours Hours Hours Total of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 12 12 2160 TABLE 7 FIRST QUARTER 2009 PAGE 1 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 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 0.75- <4 4- <8 8- <13 13- <19 19- 24 Mean>24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 6 7 5 2 0 0 0 0 0 1 9 13 8 7 3 7 6 2 9 1 0 0 0 0 3 1 5 2 2 1 3 4 12 7 2 0 0 0 0 0 0 2 0 0 0 1 2 3 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25 16 17 3 0 0 0 0 3 4 14 16 10 9 9 14 11.97 11.00 9.95 7.49 0.00 0.00 0.00 0.00 9.91 11.20 7 .12 6.19 6.82 7.02 8.97 9.24 0 0 0 0 0 0 Total 3 68 39 29 0 1 140 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Directi of Missing Data of Missing Data for All of No Stability Class hours of observation on 0 0 0 12 12 2160 TABLE 7 FIRST QUARTER 2009 PAGE 2 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 3-31 23:00 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 Wind Direction wind Speed (miles/hour) 0.75- <4 4- <8 8- <13 Mean 13- <19 19- 24 >24 Total' Speed N NNE ME ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 4 2 1 1 0 0 0 0 2 0 2 0 0 0 1 1 2 4 6 7 4 4 2 3 10 8 10 6 3 7 3 4 83 2 5 10 3 4 1 1 1 4 8 2 4 4 1 6 2 58 3 18 10 0 0 0 0 0 1 1 0 0 2 1 2 3 41 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13 32 27 11 8 5 3 4 17 17 14 10 9 9 12 10 10.23 13 .40 10.56 7 .09 8.31 7 .00 7.85 6.83 6.73 8.33 5.74 7.10 10.09 6. 80 9.21 9.00 Total Hours Hours Hours Hours Hours Total 14 5 0 201 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 12 12 2160 TABLE 7 FIRST QUARTER 2009 PAGE 3 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 3-31 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 0.75- <4 4- <8 8- <13 Mean 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 6 0 5 1 4 6 12 14 7 8 23 17 15 21 1 5 16 22 22 18 30 21 20 28 31 32 24 20 25 14 25 4 17 16 32 34 14 12 10 10 24 36 9 4 18 4 15 10 2 12 13 8 0 0 1 0 5 15 0 2 2 0 0 3 0 0 0 0 0 0 0 0 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 41 50 72 61 48 39 43 52 68 94 56 43 60 39 41 22 7.49 9.32 9.56 9.66 7.12 6.25 6.24 5.73 7.78 9.29 5.50 5.32 6.81 4.44 7.20 8.36 Total Hours Hours Hours Hours Hours Total 145 352 265 63 4 0 829 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation,)

0 0 0 12 12 2160 TABLE 7 FIRST QUARTER 2009 PAGE 4 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 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 1 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 6 6 0 4 1.7 9 19 15 11 17 21 15 16 3 2 4 6 1 3 4 2 40 33 40 59 53 40 29 8 7 1 2 1 2 2 3 1 1 0 10 6 3 3 5 0 0 2 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 13 3 9 8 10 50 52 65 76 74 64 50 24 10 5 4.86 4.78 8.15 5.41 6.27 3.41 5.38 4.30 5.66 5.61 5.43 5.19 5.48 3.81 4.35 5.25 Total 152 330 41 2 0 0 525 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 12 12 2160 TABLE 7 FIRST QUARTER 2009 PAGE 5 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date 10-02-23 Data Period : 9 1 00:00 to 9- 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 Direction Wind Speed (miles/hour) 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 1 1 1 3 4 3 3 12 5 11 21 11 11 16 4 0 0 0 0 0 2 0 12 15 46 18 13 9 10 1 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 3 6 3 15 27 51 29 34 20 21 17 5 2 3.20 2.41 2.31 2.24 3 .05 1.73 4.65 4.17 4.97 4.13 3.69 3.78 3 .67 3.06 2.69 4.34 Total 107 129 0 0 0 0 236 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 12 12 2160 TABLE 7 FIRST QUARTER 2009 PAGE 6 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 3-31 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 Direction Wind Speed (miles/hour)

Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 2 1 1 0 0 0 0 1 5 6 8 8 6 0 1 0 0 1 1 0 0 0 1 8 7 3 1 7 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 0 0 0 1 9 12 9 9 15 9 0 1 0 2.98 3.31 3 .90 0.00 0.00 0.00 5.80 4.55 4.43 3 .49 2.66 4.10 3.87 0.00 2.51 0.00 Total 39 32 0 0 0 0 71 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 12 12 2160 TABLE 7 FIRST QUARTER 2009 PAGE 7 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 3-31 23:00 Stability Class:ALL 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 N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 20 10 8 9 9 16 24 46 34 36 71 60 48 53 13 10 34 42 36 30 41 27 75 87 135 122 115 i1 84 40 45 23 30 24 56 41 21 15 12 11 41 52 29 30 38 11 30 22 19 41 28 8 0 0 1 0 7 18 1 3 6 5 4 13 3 0 106 5 0 122 2 2 132 1 0 89 0 0 71 0 0 58 0 0 112 0 0 144 1 0 218 3 0 231 0 0 216 0 0 204 0 0 176 0 0 109 0 0 92 0 0 68 8.76 10.32 10.12 8.72 6 .82 5.62 5.68 4.88 6.29 7 .16 5.43 5.72 6.30 5 .02 7.01 8.54 Total 467 1047 463 154 15 2 2148 Hours of Calm : 0 Hours of Varying Wind Direction

0 Hours of Missing Data for All : 12 Hours of No Stability Class : 12 Total hours of observation
2160 TABLE 7 FIRST QUARTER 2009 PAGE 8 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period 9 1 00:00 to 9- 6-30 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 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 12 1 0 0 0 0 0 0 0 0 2 2 2 4 1 4 6 3 2 2 2 1 0 3 1 6 11 23 10 6 7 15 0 1 0 1 1 1 1 0 1 1 6 14 11 4 2 2 1 5 1 0 0 0 0 0 1 0 3 6 0 0 0 1 0 20 5.12 2 1 9 12.25 6 1 14 17.37 1 0 5 11.60 0 0 3 7.69 0 0 2 6.43 0 0 1 9.30 0 0 3 6.12 0 0 2 7 .23 0 0 8 7.83 0 0 19 6.98 0 0 42 8.00 0 0 29 9.54 0 0 14 6.79 0 0 10 6,38 0 0 21 5.62 Total 28 98 46 18 10 2 202 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 6 6 2184 TABLE 7 SECOND QUARTER 2009 PAGE 1OF8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date 10-02-23 Data Period : 9 1 00:00 to 9- 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 NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 2 7 2 0 0 0 0 1 0 1 1 2 2 4 1 2 16 6 5 0 0 0 1 4 3 3 11 16 4 9 3 4 0 2 8 1 1 4 2 1 3 6 5 5 5 4 1 2 0 9 13 1 0 0 0 1 0 2 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 25 29 2 1 4 3 7 6 12 17 23 12 17 5 8 5.16 9.68 11.91 10.78 8.55 10.19 9.04 7.57 7.89 9.32 7.18 6.67 8.01 5.93 6.45 6.62 Total 25 85 50 27 2 0 189 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Directi of Missing Data of Missing Data for All of No Stability Class hours of observation on 0 0 0 6 6 2184 TABLE 7 SECOND QUARTER 2009 PAGE 2 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 6-30 23:00 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 Wind Wind Speed (miles/hour)

Directior Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 2 4 2 0 2 0 0 2 1 2 3 3 2 0 1 0 8 10 2 2 2 2 0 1 13 9 17 14 4 8 2 6 1 8 7 5 6 3 2 4 3 13 1 2 2 4 2 1 0 5 10 2 1 0 0 0 0 2 0 0 2 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 11 30 23 9 11 5 2 7 17 26 21 19 10 12 5 5,38 10.06 12.46 9.22 7.86 7.96 10.68 7.04 6.65 8.54 5.45 5.37 7.88 7.09 6.21 0 0 7 6.21 Total 24 100 64 22 4 1 215 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 6 6 2184 TABLE 7 SECOND QUARTER 2009 PAGE 3 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 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 0.75- <4 4- <8 8- <13 13- <19 Mean 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 5 8 7 1 1 2 5 9 12 5 10 12 12 11 5 4 18 23 19 20 37 39 68 47 47 46 39 33 20 4 4 8 7 12 40 31 9 2 5 15 31 32 10 6 12 2 4 8 7 9 10 11 3 0 0 1 2 2 0 0 1 0 1 0 47 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 37 52 76 63 50 43 78 72 92 85 59 51 45 17 14 20 7.79 8.10 9.45 9.54 7.39 6.42 5.76 6.33 6.98 7.66 6.08 5.61 6.63 3.85 6.16 7.02 Total 109 472 226 0 0 854 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 6 6 2184 TABLE 7 SECOND QUARTER 2009 PAGE 4 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date 10-02-23 Data Period : 9 1 00:00 to 9- 6-30 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 Direction Wind Speed (miles/hour) 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 5 5 2 1 2 3 10 24 17 22 25 18 15 11 16 4 2 4 2 3 5 4 25 30 44 46 38 28 26 6 7 1 5 0 1 1 3 1 0 0 4 12 3 2 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 0 0 9 0 0 5 0 0 5 0 0 10 0 0 8 0 0 35 0 0 54 0 0 65 0 0 80 0 0 66 0 0 48 0 0 41 0 0 18 0 0 24 0 0 6 6.01 4.07 5.54 6.09 6.08 5.04 5.16 4.34 4.97 5.49 4.56 4.62 4.30 3.90 3.89 4.77 Total 180 271 35 0 0 0 486 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 6 6 2184 TABLE 7 SECOND QUARTER 2009 PAGE 5 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 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 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N. 1 0 0 0 0 0 1 2.40 NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW 1 0 0 1 0 0 6 9 5 18 12 8 13 0 0 0 0 0 6 11 23 12 7 12 10 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 6 0 18 0 32 0 17 0 25 0 24 0 18 0 15 1.30 0.00 0.00 3 .84 0.00 6.24 4.82 4.70 3 .84 3.36 3 .95 4.01 2.85 NW 6 2 0 0 0 0 8 3.16 NNW 1 0 0 0 0 0 1 1.49 Total 81 85 1 0 0 0 167 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 6 6 2184 TABLE 7 SECOND QUARTER 2009 PAGE 6 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUIvMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 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 NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 1 3 6 4 18 11 1 0 0 0 0 0 0 0 0 0 0 1 10 4 4 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4 0 0 16 0 0 8 0 0 22 0 0 12 0 0 2 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 3 .68 3.73 4.34 3.98 3 .53 3.27 3.56 0.00 0.00 0.00 Total 44 21 0 0 0 0 65 Hours of Calm .0 Hours of Varying Wind Direction

0 Hours of Missing Data : 0 Hours of Missing Data for All : 6 Hours of No Stability Class : 6 Total hours of observation
2184 TABLE 7 SECOND QUARTER 2009 PAGE 7 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 6-30 23:00 Stability Class:ALL 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 NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 27 26 13 2 6 5 16 45 45 39 77 60 42 43 30 15 50 46 30 27 46 46 100 97 141 126 127 127 75 35 25 34 13 23 56 39 20 11 10 21 42 64 25 29 30 15 10 14 8 24 38 15 4 0 0 2 2 7 0 3 10 0 1 0 1 5 9 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 99 126 147 84 76 62 126 165 230 236 229 219 157 93 66 63 6.23 8.83 11.03 9.45 7.27 6.61 5.78 5.53 5.91 6.71 5.20 5.63 6.41 4.94 5 .03 6.11 Total 491 1132 422 114 16 3 2178 Hours of Calm .0 Hours of Varying Wind Direction

0 Hours of Missing Data for All : 6 Hours of No Stability Class : 6 Total hours of observation
2184 TABLE 7 SECOND QUARTER 2009 PAGE 8 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 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 Direction Wind Speed (miles/hour) 0.75- <4 4- <8 8- <13 13- <19 Mean 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 4 3 0 1 1 0 0 0 0 2 1 1 0 0 3 10 13 16 4 6 5 0 2 1 1 6 13 17 12 8 7 11 0 0 6 1 2 0 0 0 0 0 2 11 6 3 2 3 36 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 18 0 0 19 0 0 11 0 0 9 0 0 8 0 0 0 0 0 2 0 0 1 0 0 1 0 0 8 0 0 16 0 0 29 0 0 18 0 0 11 0 0 12 0 0 24 1 0 187 5.55 5.16 8.05 7.26 6.70 0.00 5.33 6.77 5.86 6.14 6.07 7.45 7.08 6.97 5.60 4.74 Total Hours Hours Hours Hours Hours Total 26 122 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 35 35 2208 TABLE 7 THIRD QUARTER 2009 PAGE 1OF8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 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 Direction Wind Speed (miles/hour) 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 9 4 2 0 1 0 0 0 1 3 1 5 0 1 2 3 10 16 10 6 2 0 1 0 1 4 9 8 9 4 3 10 1 5 7 3 0 1 0 1 2 3 2 2 1 0 0 1 1 1 4 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21 26 23 11 4 1 1 1 4 10 12 15 10 5 5 14 5.13 6.35 9.17 8.85 7.43 8.70 5.93 9.70 7.40 6.12 6.35 5.50 6.06 4.44 4.06 5.78 Total 32 93 29 9 0 0 163 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Directi.of Missing Data of Missing Data for All of No Stability Class hours of observation on 0 0 0 35 35 2208 TABLE 7 THIRD QUARTER 2009 PAGE 2 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 9-30 23:00 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 Wind Wind Speed (miles/hour)

Direction 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 8 2 0 3 2 0 0 1 0 3 3 5 5 4 6 1 7 16 17 8 8 4 3 5 4 11 15 8 5 1 6 3 3 18 11 5 3 1 2 1 3 6 5 3 2 0 3 3 2 7 12 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 20 43 40 18 13 5 5 7 7 20 23 16 12 5 15 7 6.35 8.90 9.80 7.54 6.92 7.34 7.77 6.23 7.81 6.46 5.97 5.93 5.03 3.81 4.97 6.97 Total 43 121 69 23 0 0 256 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Directi of Missing Data of Missing Data for All of No Stability Class hours of observation on 0 0 0 35 35 2208 TABLE 7 THIRD QUARTER 2009 PAGE 3 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 9-30 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 Direction Wind Speed (miles/hour) 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 13 16 12 3 2 2 2 2 7 14 24 19 16 15 5 5 27 37 35 45 43 39 30 35 24 70 53 24 20 8 8 5 7 43 65 35 16 3 3 4 8 13 7 5 3 1 1 1 10 14 12 2 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 57 110 124 85 61 44 35 41 39 97 84 49 39 24 14 12 7.27 8.25 8.81 7.89 7.32 6.09 6.20 6.22 6.30 5.91 5.18 5.05 4.73 3 .93 4.48 5.10 Total 157 503 215 40 0 0 915 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Directi of Missing Data of Missing Data for All of No Stability Class hours of observation on 0* 0 0: .35 35 2208 TABLE 7 THIRD QUARTER 2009 PAGE 4 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 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 Direction Wind Speed (miles/hour) 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 3 3 1 4 7 3 7 26 29 22 41 24 27 9 11 4 1 5 3 2 13 7 26 35 42 58 27 16 3 5 3 5 0 1 2 0 0 0 0 0 3 1 1 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 9 6 6 20 10 33 61 74 81 69 40 30 15 14 10 6.10 5.25 7.02 3.21 4.46 4.87 4.86 4.39 4.68 4.78 3.95 3.94 2.93 3.87 3.47 4.48 Total 221 251 10 1 0 0 483 Hours of Calm : 0 Hours of Varying Wind Direction

0 Hours of Missing Data : 0 Hours of Missing Data for All : 35 Hours of No Stability Class : 35 Total hours of observation
2208 TABLE 7 THIRD QUARTER 2009 PAGE 5OF8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 9-30 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 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 1 1 1 0 0 2 4 8 14 15 17 10 16 2 0 0 1 0 0 0 0 2 8 9 8 2 4 8 2 2 2 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 0 4 12 18 23 17 21 18 18 4 2 0.00 3 .77 2.38 2.96 0.00 0.00 3.96 4.48 4.87 4.16 3.19 3.20 3 .62 3.06 3.48 4.63 Total 91 48 2 0 0 0 141 Hours of Calm .0 Hours of Varying Wind Direction

0 Hours of Missing Data : 0 Hours of Missing Data for All : 35 Hours of No Stability Class : 35 Total hours of observation
2208 TABLE 7 THIRD QUARTER 2009 PAGE 6 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9- 9-30 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 Direction Wind Speed (miles/hour)

Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N 0 0 0 0 NNE 0 0 0 0 NE 0 0 0 0 ENE 0 0 0 0 E 0 0 0 0 ESE 1 0 0 0 SE 0 0 0 0 SSE 0 0 0 0 S 0 1 0 0 SSW 1 1 0 0 SW 5 0 0 0 WSW 10 0 0 0 W 3 2 0 0 WNW 3 1 0 0 NW 0 0 0 0 NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 2 0 0 5 0 0 10 0 0 5 0 0 4 0 0 0 0 0 0 0 0 28 0.00 0.00 0.00 0.00 0.00 1 .03 0.00 0.00 4.06 3 .43 3 .26 2.79 3 .96 3 .03 0.00 0.00 Total Hours Hours Hours Hours Hours Total 23 5 0 0 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 35 35 2208 TABLE 7 THIRD QUARTER 2009 PAGE 7 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date 10-02-23 Data Period : 9 1 00:00 to 9- 9-30 23:00 Stability Class:ALL delta T/ delta z 61->10 m Delta T With Substitution Wind Sensor Height : 10 meter Hours at Each Wind Direction and Speed Wind Directior Wind Speed (miles/hour)

Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 37 29 16 12 13 6 11 33 45 59 90 81 61 48 29 23 58 91 69 67 71 50 64 84 82 158 119 77 59 29 29 36 1143 11 67 91 44 21 5 5 6 17 24 17 21 12 5 6 9 14 22 29 7 1 0 0 0 0 0 0 1 0 0 0 1 1 0 121 0 0 209 0 0 205 0 0 130 0 0 106 0 0 61 0 0 80 0 0 123 0 0 144 0 0 241 0 0 226 0 0 180 0 0 132 0 0 82 0 0 64 0 0 69 6.44 7.70 8.92 7 .63 6.69 5.95 5.61 5.18 5.38 5.41 4.82 4.96 4.59 4.12 4.49 5.20 Total 593 361 Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data for All of No Stability Class hours of observation 75 1 0 2173 0 0 35 35 2208 TABLE 7 THIRD QUARTER 2009 PAGE 8 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9-12-31 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 1 5 4 12 22 22.23 NNE 0 1 13 12 8 3 37 15.68 NE 0 2 22 11 2 0 37 12.46 ENE 0 0 8 3 2 0 13 14.01 E 0 0 1 0 0 0 1 8.29 ESE 0 1 1 0 0 0 2 8.36 SE 0 0 1 0 0 0 1 9.63 SSE 0 2 0 0 0 0 2 6.03 S SSW SW WSW W WNW NW NNW 1 0 0 0 0 1 0 1 2 0 2 2 2 5 1 2 1 1 0 1 0 1 4 3 3 0 0 0 0 0 0 1 0 0 7 0 0, 1 0 0 2 0 0 3 0 0 2 0 0 7 0 0 5 0 0 7 10.14 11.19 7 .88 7.78 6 .14 6.68 9.32 9.16 Total 3 22 58 35 16 15 149 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 164 164 2208 TABLE 7 FOURTH QUARTER 2009 PAGE 1 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data.Period

9 1 00:00 to 9-12-31 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 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total, Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 3 0 1 0 1 5 1 4 5 0 3 2 0 0 0 1 1 8 5 7 1 5 0 7 5 7 3 1 1 0 1 0 2 2 2 3 3 4 3 2 0 3 1 0 0 0 0 0 0 0 0 0 0 4 0 3 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 9 16 10 10 7 3 1 0 1 1 6 10 8 10 5 18 20.83 11.95 8.83 12.41 9.00 7.43 9.51 0.00 10.60 6.42 5.62 7.05 6.60 7.33 7.82 8.11 0 0 0 0 0 0 0 0 0 0 0 0 Total Hours Hours Hours Hours Hours Total 43 41 13 3 5 115 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 164 164 2208 TABLE 7 FOURTH QUARTER 2009 PAGE 2 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9-12-31 23:00 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 Wind Direction Wind Speed (miles/hour) 0.75- <4 4- <8 8- <13 13- <19 Mean 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 3 2 1 1 0 1 1 1 0 1 4 1 1 1 0 3 6 4 8 4 2 0 0 1 4 5 4 3 6 5 5 1 5 10 15 5 0 1 0 0 0 2 4 0 1 1 4 2 4 21 3 2 1 0 0 0 1 0 0 0 0 0 0 1 3 4 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21 41 28 13 3 2 1 2 5 8 12 4 8 7 9 7 10.81 13.05 9.78 9.70 10.38 5.91 3.63 4.70 7.79 6.57 5.95 5.11 5.99 5.72 6.92 7.11 Total 21 58 50 33 9 0 171 Hours of Calm : 0 Hours of Varying Wind Direction

0 Hours of Missing Data : 0 Hours of Missing Data for All : 164 Hours of No Stability Class : 164 Total hours of observation
2208 TABLE 7 FOURTH QUARTER 2009 PAGE 3 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9-12-31 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 0.75- <4 4- <8 8- <13 13- <19 Mean 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 8 7 5 4 3 3 8 9 15 11 16 21 27 27 12 13 7 29 26 41 30 8 7 1 19 17 25 28 27 18 18 7 23 44 58 48 27 9 2 4 14 8 3 10 7 2 8 19 8 6 9 7 2 1 0 1 2 0 0 1 0 0 0 3 8 2 3 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0~0 54 88 104 101 62 21 17 15 50 36 44 60 61 47 38 43 11.02 8.65 10.12 9.01 7.88 7.66 4.68 5.81 6.72 5.74 5.13 5.72 4.75 4.04 5.46 8.05 Total 189 308 286 40 15 3 841 Hours of Calm : 0 Hours of Varying Wind Direction

0 Hours of Missing Data : 0 Hours of Missing Data for All : 164 Hours of No Stability Class : 164 Total hours of observation
2208 TABLE 7 FOURTH QUARTER 2009 PAGE 4 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9-12-31 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 NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 1 10 4 2 4 2 3 5 7 10 22 22 12 9 5 6 4 11 13 13 23 4 8 7 10 21 16 24 39 12 6 7 3 2 9 3 4 0 0 1 2 1 3 5 1 0 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 23 26 18 31 6 11 13 19 33 41 51 52 21 11 15 6.39 4.82 6.69 6.51 5.52 4.30 4.44 4.83 5.09 5.28 4.47 4.78 4 .82 4.09 4.58 5.05 Total 124 218 36 1 0 0 379 Hours of Calm : 0 Hours of Varying Wind Direction

0 Hours of Missing Data : 0 Hours of Missing Data for All : 164 Hours of No Stability Class : 164 Total hours of observation
2208 TABLE 7 FOURTH QUARTER 2009 PAGE 5 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9-12-31 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 N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 5 3 2 0 2 3 5 8 15 8 13 14 7 18 7 5 2 0 3 2 0 0 3 5 6 7 5 3 7 2 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 3 5 2 2 3 8 13 21 15 18 17 14 20 10 8 2.96 3.35 4.10 4.73 2.03 2.49 3 .42 3 .92 3 .45 3 .64 3.25 3 .12 3 .81 2.79 3.07 3.78 Total 115 51 0 0 0 0 166 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 1 0 0 164 164 2208 TABLE 7 FOURTH QUARTER 2009 PAGE 6 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date 10-02-23 Data Period : 9 1 00:00 to 9-12-31 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 0.75- <4 4- <8 8- <13 Mean 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Total 4 1 0 2 0 1 3 7 11 28 38 56 29 12 8 3 0 0 0 0 0 0 0 4 4 3 3 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 2 0 1 3 11 15 31 41 57 31 13 8 3 2.23 3.65 0.00 1.99 0.00 1.05 2.14 3.50 2.95 2.47 2.56 2.53 2.52 2.89 2.18 2.44 203 18 0 0 0 221 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 1 0 0 164 164 2208 TABLE 7 FOURTH QUARTER 2009 PAGE 7 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-23 Data Period : 9 1 00:00 to 9-12-31 23:00 Stability Class:ALL 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 NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 21 23 12 9 9 10 20 30 49 58 96 114 77 68 33 36 20 49 57 60 58 15 18 20 45 54 56 69 88 50 34 25 32 76 109 71 35 12 4 5 18 12 12 18 11 7 19 30 20 41 23 15.4 1 0 1 6 1 0 1 0 0 0 9 15 17 6 4 0 0 0 0 0 0 0 0 0 0 0 1 17 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 125 209 210 159 106 38 42 56 118 125 164 202 176 125 86 101 12 .64 10.49 9.85 9.27 7.23 6.48 4.40 4.65 5.68 4.66 4.23 4.45 4.46 4.23 5.28 7.12 Total 665 718 Hours Hours Hours Hours Total of Calm of Varying Wind Directi of Missing Data for All of No Stability Class hours of observation 471 122 43 23 2042 2 on : 0 164 164 2208 TABLE 7 FOURTH QUARTER 2009 PAGE 8 OF 8 TABLE 8 JOINT FREQUENCY DISTRIBUTION BY QUARTER FOR 2009 (BATCH RELEASES)

I JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 6 09:00 to 9 6 17:00 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 0.75- <4 4- <8 8- <13 13- <19 Mean 19- 24 >24 Total' Speed N.NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10.85 0.00 0.00 0.00 0.00 0.00 0.00 Total 0 0 1 0 0 1 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0 9 TABLE 8 FIRST QUARTER 2009 PAGE 1OF8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 6 09:00 to 9 6 17:00 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 0.75- <4 4- <8 8- <13 13- <19 Mean 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Total 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10.39 0.00 0.00 0.00 0.00 0.00 0.00 0 1 0 0 1 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0 9 TABLE 8 FIRST QUARTER 2009 PAGE 2 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 6 09:00 to 9 6 17:00 Stability Class: C 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 Direction Wind Speed (miles/hour) 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total, Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Total Hours Hours Hours Hours Hours Total 0 0 0 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0 9 TABLE 8 FIRST QUARTER 2009 PAGE 3 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 6 09:00 to 9 6 17:00 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..........S....eed........(miles/hour)....................

Wind Wind Speed (miles/hour)

Direction 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 1 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.66 10.54 0.00 0.00 0.00 0.00 0.00 0.00 5 0 0 0 7 Total Hours of Calm Hours of Varying Wind Direction Hours of Missing Data Hours of Missing Data for All Hours of No Stability Class Total hours of observation 0 0 0 0 0 9 TABLE 8 FIRST QUARTER 2009 PAGE 4 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 6 09:00 to 9 6 17:00 Stability Class: E delta T/ delta z 61->10 m Delta T Wind Sensor Height : 10 meter +++ Batch Release Hours at Each Wind Direction and Speed With Substitution Times Only +++Wind Wind Speed (miles/hour)

Direction 0.75- <4 4- <8 8- <13 13- <19 19- 24 Mean>24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 .00 0.00 0.00 0.00 0.00 Total Hours Hours Hours Hours Hours Total 0 0 0 0 0 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0 9 TABLE 8 FIRST QUARTER 2009 PAGE 5 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 6 09:00 to 9 6 17:00 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 Direction Wind Speed (miles/hour)

Mean 8- <13 13- <19 19- 24 >24 Total' Speed 0.75- <4 4- <8 N 0 NNE 0 NE 0 ENE 0 E 0 ESE 0 SE 0 SSE 0 S 0 SSW 0 SW 0 WSW 0 W 0 WNW 0 NW 0 NNW 0 Total 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 0 0 0 Hours of Calm Hours Hours Hours Hours Total of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0 9 TABLE 8 FIRST QUARTER 2009 PAGE 6 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 6 09:00 to 9 6 17:00 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 Direction Wind Speed (miles/hour) 0.75- <4 4- <8 8- <13 13- <19 Mean 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 SW 0 0 0 WSW 0 0 0 W 0 0 0 WNW 0 0 0 NW 0 0 0 NNW 0 0 0 Total 0 0 0 0 0 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0 9 TABLE 8 FIRST QUARTER 2009 PAGE 7 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date 10-02-25 Data Period 9 6 09:00 to 9 6 17:00 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 Wind Directior Wind Speed (miles/hour) 1 Mean 0.75- <4 4- <8 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.66 10.56 0.00 0.00 0.00 0.00 0.00 0.00 Total 0 2 7 Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data for All of No Stability Class hours of observation 0 0 0 0: 9 TABLE 8 FIRST QUARTER 2009 PAGE 8 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1.eport Date 10-02-25)ata Period 9 9 22:00 to 9-12-10 02:00:tability Class: A delta T/ delta z 61->10 m Delta T lind Sensor Height : 10 meter +++ Batch Release Hours at Each Wind Direction and Speed With Substitution Times Only .++Wind)irection Wind Speed (miles/hour) 0.75- <4 4- <8 8- <13 13- <19 19- 24 Mean>24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0. 00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00ýotal fours fours{ours fours fours Potal 0 0 0 0 0 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0 5 TABLE 8 FOURTH QUARTER 2009 PAGE 1 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 9 22:00 to 9-12-10 02:00 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 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0 0 0 0.00 0 0 0 0.00 0 0 0 0.00 0 0 0 0.00 0 0 0 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 0 0 0 0 0 Total Hours Hours Hours Hours Hours of of of of of Calm Varying Wind Direction Missing Data Missing Data for All No Stability Class 0 0 0 0 0: 5 Total hours of observation TABLE 8 FOURTH QUARTER 2009 PAGE 2 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 9 22:00 to 9-12-10 02:00 Stability Class: C 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 NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 Hours of No Stability Class : 0 Total hours of observation
5 TABLE 8 FOURTH QUARTER 2009 PAGE 3 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period 9 9 22:00 to 9-12-10 02:00 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 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NNE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9.36 0.00 0.00 0.00 0.00 Total 0 1 0 0 0 1 Hours of Calm Hours of Varying Wind Directi Hours of Missing Data Hours of Missing Data for All Hours of No Stability Class Total hours of observation on 0 0 0 0 0 TABLE 8 FOURTH QUARTER 2009 PAGE 4 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1.eport Date 10-02-25)ata Period : 9 9 22:00 to 9-12-10 02:00 3tability Class: E delta T/ delta z 61->10 m Delta T With Substitution qind Sensor Height : 10 meter +++ Batch Release Times Only +++Hours at Each Wind Direction and Speed Wind Wind Speed (miles/hour)

Direction 0.75- <4 4- <8 8- <13 13- <19 Mean 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.30 9.21 0.00 0.00 0.00 0 1 3 0 0 4 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0 5 TABLE 8 FOURTH QUARTER 2009 PAGE 5 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 9 22:00 to 9-12-10 02:00 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 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 Hours of No Stability Class : 0 Total hours of observation
5 TABLE 8 FOURTH QUARTER 2009 PAGE 6 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 9 22:00 to 9-12-10 02:00 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 N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 0 0 0 0 0 0 0 0 0 0 0 Total 0 0 0 0 0 0 0 Hours Hours Hours Hours Hours Total of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0 5 TABLE 8 FOURTH QUARTER 2009 PAGE 7 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9 9 22:00 to 9-12-10 02:00 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 Wind Wind Speed (miles/hour)

Direction 0.75- <4 4- <8 8- <13 Mean 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.56 9.21 0.00 0.00 0.00 Total Hours Hours Hours Hours Total 1 0 0 5 of Calm of Varying Wind Direction of Missing Data for All of No Stability Class hours of observation 0 0 0 0 5 TABLE 8 FOURTH QUARTER 2009 PAGE 8 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9-12-10 03:00 to 9-12-10 10:00 Stability Class: A delta T/ delta z 61->10 m Delta T Wind Sensor Height : 10 meter +++ Batch Release Hours at Each Wind Direction and Speed With Substitution Times Only +++Wind Wind Speed (miles/hour)

Direction 0.75- <4 4- <8 8- <13 13- <19 19- 24 Mean>24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 .00 0.00 0.00 Total Hours Hours Hours Hours Hours Total 0 0 0 0 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0: 8 TABLE 8 FOURTH QUARTER 2009 PAGE 1OF8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9-12-10 03:00 to 9-12-10 10:00 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 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Total Hours Hours Hours Hours Hours Total 0 0 0 0 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0 8 TABLE 8 FOURTH QUARTER 2009 PAGE 2 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9-12-10 03:00 to 9-12-10 10:00 Stability Class: C 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 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.26 0.00 0.00 0.00 Total 0 1 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 Hours of No Stability Class : 0 Total hours of observation
8 TABLE 8 FOURTH QUARTER 2009 PAGE 3OF8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9-12-10 03:00 to 9-12-10 10:00 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 0.75- <4 4- <8 8- <13 Mean 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 3 1 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 1 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.84 9.45 0.00 0.00 0.00 Total Hours Hours Hours Hours Hours Total 0 0 7 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of NO Stability Class hours of observation 0 0 0 0 0 8 TABLE 8 FOURTH QUARTER 2009 PAGE 4 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9-12-10 03:00 to 9-12-10 10:00 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 0.75- <4 4- <8 Mean 8- <13 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 .00 0.00 0.00 0 .00 0.00 0.00 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 Hours of No Stability Class : 0 Total hours of observation
8 TABLE 8 FOURTH QUARTER 2009 PAGE 5 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date 10-02-25 Data Period : 9-12-10 03:00 to 9-12-10 10:00 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 0.75- <4 4- <8 8- <13 Mean 13- <19 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Total Hours Hours Hours Hours Hours Total 0 0 0 0 of Calm of Varying Wind Direction of Missing Data of Missing Data for All of No Stability Class hours of observation 0 0 0 0 0 8 TABLE 8 FOURTH QUARTER 2009 PAGE 6 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9-12-10 03:00 to 9-12-10 10:00 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 0.75- <4 4- <8 8- <13 13- <19 Mean 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 Hours of No Stability Class : 0 Total hours of observation
8 TABLE 8 FOURTH QUARTER 2009 PAGE 7 OF 8 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SITE: V. C. SUMMER Nuclear Station UNIT 1 Report Date : 10-02-25 Data Period : 9-12-10 03:00 to 9-12-10 10:00 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 Wind Wind Speed (miles/hour)

Direction 0.75- <4 4- <8 8- <13 13- <19 Mean 19- 24 >24 Total' Speed N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW Total Hours Hours Hours Hours Total 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 2 0 0 0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.84 8.35 0.00 0.00 0.00 4 0 0 8 of Calm of Varying Wind Direction of Missing Data for All of No Stability Class hours of observation 0 0 0 0 8 TABLE 8 FOURTH QUARTER 2009 PAGE 8OF8

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