Text

Radioactive Effluent Release Report for 2006
	ML071280681
Person / Time
Site:	South Texas
Issue date:	04/30/2007
From:	Bryant D; South Texas
To:	; Document Control Desk, NRC/NRR/ADRO
References
	FOIA/PA-2010-0209, NOC-AE-07002159, FOIA/PA-2009-0260
	Download: ML071280681 (112)
	v • d • e

1104 Nuclear Operating Company South Texas Pro/ect Electric GeneratingStation PO. Box 289 Wadsworth. Texas 77483 V April 30, 2007 NOC-AE-07002159 File No.: G25 10 CFR 50.36a U. S. Nuclear Regulatory Commission Attention: Document Control Desk One White Flint North 11555 Rockville Pike Rockville, MD 20852-2738 South Texas Project Units 1 & 2 Docket Nos. STN 50-498 & 50-499 Radioactive Effluent Release Report for 2006 Pursuant to the South Texas Project Technical Specification 6.9.1.4 and 10 CFR 50.36a, STP Nuclear Operating Company provides the attached Radioactive Effluent Release Report for 2006. The report covers the period from January 1, 2006, to December 31, 2006.

There are no commitments included in this report.

If there are any questions on this report, please contact either Philip Walker at (361) 972-8392 or me at (361) 972-7879.

Daniel J. Bryant Manager, Chemistry PLW

Attachment:

Radioactive Effluent Release Report for 2006 ADD9 STI: 32153449

NOC-AE-07002159 Page 2 cc:

(paper copy) (electronic copy)

Regional Administrator, Region IV A. H. Gutterman, Esquire U. S. Nuclear Regulatory Commission Morgan, Lewis & Bockius LLP 611 Ryan Plaza Drive, Suite 400 Arlington, Texas 76011-8064 Mohan C. Thadani U. S. Nuclear Regulatory Commission U. S. Nuclear Regulatory Commission Thad Hill Attention: Document Control Desk Christine Jacobs One White Flint North Eddy Daniels 11555 Rockville Pike Marty Ryan Rockville, MD 20852-2738 NRG South Texas LP Richard A. Ratliff J. J. Nesrsta Bureau of Radiation Control R. K. Temple Texas Department of State Health Services E. Alarcon 1100 West 49th Street Kevin Polio Austin, TX 78756-3189 City Public Service C. M. Canady Jon C. Wood City of Austin Cox Smith Matthews Electric Utility Department 721 Barton Springs Road C. Kirksey Austin, TX 78704 City of Austin Senior Resident Inspector U. S. Nuclear Regulatory Commission P. O. Box 289, Mail Code: MN116 Wadsworth, TX 77483 0

2006 Radioactive Effluent Release Report SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION Completed by Generation in accordance with Technical Specifications for United States Nuclear Regulatory Commission License Nos.

NPF-76 & NPF-80 April 2007 Authored by:

Staf~f N~ucl~earnChlem/

Chemistry Division Technical Review:

Health Physicist Health Physics Division Approved by:

Daniel J. B int Manager .7 Chemistry Division

RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT TABLE OF CONTENTS TABLE OF CONTENTS PAGE

SUMMARY

TAB Sum m ary and Introduction .................................................................................................... 1-1 EFFLUENT PROGRAM TAB Supplemental Information for Effluent and Waste Disposal .............................................. 2-1 Regulatory Limits Effluent Concentrations Limits Average Energy (Million Electron Volts/Disintegration)

Measurement and Approximations of Total Activity Batch Releases Abnormal (Unplanned) Releases Estimate of Total Error Solid Waste Shipments Radiological Impact on Man Meteorological Data Lower Limit of Detection Dose to Members of the Public Sewage Sludge Land Farming Technical Specifications and Offsite Dose Calculation Manual Controls Reporting R equirem ents ........................................................................................................................... 3-1 Offsite Dose Calculation Manual Changes Annual Land Use Census Radioactive Waste Treatment System Design Modification Description Inoperable Effluent Monitoring Instrumentation Explanation Gas Storage Tank Curie Limit Violation Description Unprotected Outdoor Tank Curie Limit Violation Description Abnormal (Unplanned) Release Description Radioactive Waste Process Control Program Changes RADIOLOGICAL DATA TAB G aseous Effluents ..................................................................................................................... 4-1 Liquid Effl uents ....................................................................................................................... 5-1 Solid Waste and Irradiated Fuel Shipments ......................................................................... 6-1 i

0 A nllfl A CrTXIU UUME I TENT' D CT CA CC D CUflOT SOUTH TEXAS PROJECT TABLE OF CONTENTS TABLE OF CONTENTS PAGE DOSE DATA TAB Dose Accum ulations ................................................................................................................. 7-1 Results of the Direct Radiation Measurement Program ...................................................... 8-1 METEOROLOGICAL DATA TAB Joint Frequency Tables ........................................................................................................... 9-1 Joint Frequency Tables for First Quarter Joint Frequency Tables for Second Quarter Joint Frequency Tables for Third Quarter Joint Frequency Tables for Fourth Quarter Joint Frequency Tables for Third Quarter Batch Release Joint Frequency Tables for Fourth Quarter Batch Release OFFSITE DOSE CALCULATION MANUAL TAB Offsite Dose Calculation Manual Revision 14 .............................................................................

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aJft rtU~L I Introduction and Summary Report Summary During 2006, as in all previous years, operation of the South Texas Project created no adverse effects or health risks. The maximum radiation exposure calculated for a hypotheticalperson living at the boundary of the South Texas Project during 2006 due to operation of the South Texas Projectwas less than one millirem. For reference, this dose may be compared to the average annualradiationexposure of 360 millirem to people in the United States from all sources. Natural radiation sources in the environment contribute most of the radiation exposure to people; nuclearpower operationscontribute less than one millirem.

RADIATION SOURCE*

Comme*r Ptodudc Other 3% 1%

Nuceer Mecayt 4%

TeMr esnral 8%

Countc 11%

11%

NCRP (1987). National Council on Radiation Protection and Measurements, Ionizing Radiation Exposure of the Population of the United States, (Bethesda, Maryland), NCRP Report No. 93.

During 2006, the estimated total body dose to a hypothetical Member of the Public with the highest probability for exposure from radioactive effluents and direct radiation was 0.02 millirem. This total represents approximately 0.06% of the limits of 40 C.F.R. §190. Based on our 2006 Land Use Census, real individuals reside in the West by Southwest Sector, approximately 4,000 meters (2.5 miles) from the site. For dose calculation purposes, the residents at this location are characterized as the theoretically exposed with regard to food consumption, occupancy, and other uses of the areas in the plant vicinity. Our dose model assumes that this theoretically exposed individual may consume the maximum amount of food with all the food being grown or grazed at the residence. This individual receives shoreline exposure from Little Robbins Slough for 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months per year and consumes 21 kilograms (48 pounds) of fish taken from Little Robbins Slough. This individual receives a submersion dose from noble gases and dose from inhaled radioactive particulates, radioiodines, and tritium. This hypothetical adult is assumed to consume 64 kilograms (150 pounds) of vegetables grown at the residence and consumes 110 kilograms (250 pounds) of meat from livestock grazed at the residence. This estimated total body dose is calculated using models and exposure 1-1

So1"TU1 TIPYA- Pk(-f119I Introduction and Summary pathways described in our Offsite Dose Calculation Manual for a hypothetical individual offsite. Other dose estimates for Members of the Public onsite are listed in the report using exposure pathways not addressed by W standard dose calculation methods.

Doses from releases to the environment at the South Texas Project Electric Generating Station have historically been and continue to be well below regulatory limits as shown in the following figure. Members of the public received negligible additional radiation due to the operation of the South Texas Project. This Radioactive Effluent Release Report summarizes the data describing the radioactive liquid and gaseous releases from the South Texas Project Electric Generating Station during 2006. The radioactive effluents from the South Texas Project are effectively monitored and controlled in accordance with regulatory requirements.

THEORETICAL TOTAL BODY DOSE FOR ALL PATHWAYS 0.260 -

0.240 1% of REGULATORY LIMIT (25 0.220 millirem) 40CFR1 90 0.200--

0.180--

E 0.160--

0.140

-0.120 2 0.100 0.080 0.06002 0.020 0.04 0.011 0.027 0.013 0.012 0.014 0.014 0.009 0.018 0.017 0.006 0.022 0.017 0.016 0.040 0.000 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 YEAR Liquid and gaseous discharges from the South Texas Project are continuously monitored for radioactive content. Samples are also collected from ventilation systems and liquid discharges and analyzed for radioactivity. The sample and analysis methods are verified and augmented using an environmental laboratory. Radioactivity monitors continuously sample the ventilation exhaust systems. On the liquid discharge lines, radioactivity monitors automatically divert or isolate liquid effluents if the radioactivity is higher than expected. These monitors are also equipped with remote alarm indications in the control rooms and health physics offices.

Prior to and during power operation the South Texas Project is required to evaluate radioactive material in the environment. We are committed to sampling and analyzing environmental samples for radioactivity to support our Radiological Environmental Monitoring Program. The results of these environmental samples are reported in our Annual Environmental Operating Report. These environmental measurements affirm the accuracy of our sampling and analysis program.

The radiation monitors, and the sampling and analysis program, provide an accurate determination of the type and quantity of radioactive materials released in plant effluents. Liquid effluents are directed to the Main Cooling Reservoir that is located entirely within the site boundary. The South Texas Project continues to aggressively pursue the reduction of radioactive material in liquid effluents consistent with prudent industry practices.

Each year, the effluent monitoring results are summarized in this report and a hypothetical radiation dose to the population in the surrounding area is calculated based on gaseous radioactive effluents, meteorological 1-2

RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Introduction and Summary conditions and liquid radioactive effluents. The hypothetical dose assumes credible paths for radioactive material to reach a member of the public, such as consumption of vegetables from a garden, fish from the river, inhalation, and direct exposure. The highest potential hypothetical dose to an individual at the site boundary was calculated to be less than 1 millirem which is significantly less than an average person receives from natural sources annually. The information presented in this report demonstrates that plant operation is consistently controlled to ensure that radioactive effluents remain below regulatory limits and to ensure protection of the public and the environment.

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I 12AJiA) FNTJr~k_ L FnriTDI1~e Introduction and Summary INTRODUCTION This Radioactive Effluent Release Report is submitted for the period January 1, 2006, through December 31, 2006, in accordance with Appendix A of License Nos. NPF-76 and NPF-80, Technical Specifications and the Offsite Dose Calculation Manual.

A single submittal is made for both units combining those sections that are common. Separate tables of releases and release totals are included where separate processing systems exist.

This report includes an annual summary of hourly meteorological measurements taken during each quarter. This data appears as tables of wind direction and wind speed by atmospheric stability class. All assessments of radiation doses are performed in accordance with the Offsite Dose Calculation Manual.

Minimal quantities of radioactivity were released during 2006. Liquid effluents are discharged to the on-site Main Cooling Reservoir and subsequently released offsite. The radioactivity released in liquids beyond the site boundary was estimated using the South Texas Project Electric Generating Station Offsite Dose Calculation Manual. Solid radioactive waste is shipped offsite for disposal. The following table is a brief summary of the radioactive effluents and solid waste attributable to the station.

TYPE OF EFFLUENT TYPE DESTINATION VOLUME CUBIC CURIES RADIOACTIVE METER MATERIAL NOBLE GAS GAS OFFSITE 6.OE+09 1.3E+02 PARTICULATE AND GAS OFFSITE 6.OE+09 8.9E-04 IODINES TRITIUM GAS OFFSITE 6.OE+09 8.6E+01 TRITIUM LIQUID OFFSITE 4.8E+06 2.9E+02 FISSION AND ACTIVATION LIQUID OFFSITE 4.8E+06 3.3E-04 PRODUCTS TRITIUM LIQUID ON-SITE 5.3E+04 2.2E+03 FISSION AND ACTIVATION LIQUID ON-SITE 5.3E+04 4.4E-02 PRODUCTS")

SPENT RESINS AND SOLID FOR BURIAL 4.4E+00 3.9E+02 FILTERS DRY COMPRESSIBLE SOLID FOR BURIAL 1.6E+02 6.OE-01 WASTE OTHER WASTE (SECONDARY RESIN, CHARCOAL, AND MISCELLANOUS SOLID FOR BURIAL 0.0E+00 0.0E+00 EXPENDABLE MATERIALS) t

')Excludes 7.5e-03 curies of dissolved and entrained gases.

Tritium was the largest contributor to the offsite doses from radioactive effluents both liquid and gaseous.

The offsite doses are well below any regulatory limit and significantly less than the average annual radiation exposure to people in the United States from all sources (360 millirem).

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R A rMO-ACTIVF FFFPTTJFNT RFI.FASF RFPO-RT 2006 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal Supplemental Information for Effluent and Waste Disposal 2-1

RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal Supplemental Information for Effluent and Waste Disposal The South Texas Project Electric Generating Station is located on 49,500,000 square meters (12,220 acres) in Matagorda County, Texas, approximately 24,000 meters (15 miles) southwest of Bay City along the west bank of the Colorado River. Ownership of the South Texas Project changed in February, 2006, when the Texas Genco LP interest in the South Texas Project was acquired by NRG Energy, Inc., the City of Austin and the City Public Service Board of San Antonio as tenants in common. The Houston Lighting & Power Company was the original project manager of the South Texas Project and was responsible for the engineering, design, licensing, construction, startup, and initial operation of the South Texas Project. In 1997, the station owners changed the licensee to STP Nuclear Operating Company, which is responsible for implementation of the Radioactive Effluent Control Program.

The South Texas Project Electric Generating Station consists of two 1,250 megawatt-electric Westinghouse pressurized water reactors. The thermal output has been up-rated by 1.4 percent increasing the electrical output. Unit 1 received a low-power testing license on August 21, 1987, obtained initial criticality on March 8, 1988, and was declared commercially operational on August 25, 1988. Unit 2 received a low-power testing license on December 16, 1988, obtained initial criticality on March 12, 1989, and was declared commercially operational on June 19, 1989. Both units together produce enough electricity to serve over one million homes.

Regulatory Limits Fission and Activation Gases The air dose due to noble gases released in gaseous effluents from each unit to areas at and beyond the Site Boundary shall be limited to the following:

During any calendar quarter: Less than or equal to 5 millirads for gamma radiation and less than or equal to 10 millirads for beta radiation, and During any calendar year: Less than or equal to 10 millirads for gamma radiation and less than or equal to 20 millirads for beta radiation.

lodines and Particulates, Half-Lives > 8 days The dose to a Member of the Public from Iodine-131, Iodine-133, tritium, and all radionuclides in particulate form with half-lives greater than eight days in gaseous effluents released, from each unit, to areas at and beyond the Site Boundary shall be limited to the following:

During any calendar quarter: Less than or equal to 7.5 millirems to any organ; and During any calendar year: Less than or equal to 15 millirems to any organ.

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RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal Liquid Effluents The dose or dose commitment to a Member of the Public from radioactive materials in liquid effluents released from each unit to Unrestricted Areas shall be limited to:

During any calendar quarter: Less than or equal to 1.5 millirems to the whole body and to less than or equal to 5 millirems to any organ; and During any calendar year: Less than or equal to 3 millirems to the whole body and to less than or equal to 10 millirems to any organ.

Effluent Concentrations Limits Gaseous Effluents The dose rate due to radioactive materials released in gaseous effluents from the site to areas at and beyond the Site Boundary shall be limited to the following:

For noble gases: Less than or equal to 500 millirems/year to the whole body and less than or equal to 3000 millirems/year to the skin; and For Iodine- 131, Iodine- 133, tritium and all radionuclides in particulate form with half-lives greater than eight days: Less than or equal to 1500 millirems/year to any organ.

Liquid Effluents The concentration of radioactive material released in liquid effluents to Unrestricted Areas shall be limited to 10 times the concentrations specified in 10CFR, Part 20, Appendix B, Table II, Column 2, for radionuclides other than dissolved or entrained noble gases. For dissolved or entrained noble gases, the concentration shall be limited to 2.0E-04 microcurie/milliliter total activity.

Average Energy (Million Electron Volts/Disintegration)

The Average Energy (or E-bar) shall be the average (weighted in proportion to the concentration of each radionuclide in the reactor coolant at the time of sampling) of the sum of the average beta and gamma energies per disintegration for the isotopes other than lodines, with half-lives greater than 15 minutes, making up at least 95% of the total non-iodine activity in the coolant. The following average energy values are based on grab sample analyses from each reactor coolant systems with both samples being collected during August of 2006.

Reactor Coolant Liquid including tritium, fission products (excluding radioiodines), and corrosion and activation products E-bar (Million Electron Volts/Disintegration) 0.166

Unit 1 0.0655

Unit 2

Includes tritium The average energy (E-bar) values of the radionuclide mixture in gaseous releases of fission and activation gases are based on noble gases released during the reporting period.

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KARIUALDIOCVE EIFFLUELN RELLLASE REPORT 2006 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal Gaseous Effluents only Noble Gases E-bar (Million Electron Volts/Disintegration) 0.270 Unit 1 0.240 Unit 2 Measurement and Approximations of Total Activit The following discussions detail the methods used to measure and approximate total activity for the following:

Gaseous Effluents: Fission and Activation Gases, Tritium, Iodines and Particulates Liquid Effluents: Fission and Activation Products, Tritium, Dissolved and Entrained Gases Tables A3-1 and A4-1 of the South Texas Project Electric Generating Station Offsite Dose Calculation Manual give sampling frequencies and lower limit of detection requirements for the analysis of liquid and gaseous effluent streams.

Gaseous Effluents Analytical Methods For Gaseous Releases from the Reactor Containment Building Monthly pre-release grab samples are collected from the plant Reactor Containment Building atmosphere. These samples are analyzed on a Gamma Spectroscopy System utilizing high purity germanium detectors for noble gas, iodine and particulate activity. Tritium specific radioactivity is measured using Liquid Scintillation Counting techniques.

The radionuclide concentrations obtained are used in conjunction with the gross noble gas release rate monitoring data collected by the radiation monitoring system to estimate the release rate of each radionuclide in the effluent streams. The noble gas release rate data collected by the unit vent radiation monitor is quantified and reported as continuous mode of release. The data from the unit vent radiation monitor in conjunction with the grab sample results of the Reactor Containment Building atmosphere are used to quantify the radioactive material released.

Analytical Methods For Continuous Gaseous Releases Periodic noble gas and tritium grab samples are taken from the continuous release points such as the Unit Vent. Continuous sampling for particulates and iodine is also performed on effluent streams. These samples are analyzed for tritium and gamma radionuclides, as described above for gaseous releases. Strontium-89, Strontium-90, and gross alpha analyses were performed by the on-site Radiological Services Laboratory.

Noble gas quantification is performed by the plant radiation monitoring system using noble gas grab sample results and the gross noble gas release rate monitor.

Secondary liquid grab samples in conjunction with the mass of the secondary coolant lost are used for quantifying secondary steam releases. The radioactive material in the steam is based on grab sample results of the secondary liquid. The secondary liquid is analyzed for gamma emitters and tritium.

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i3 I [** j -XA* I 1[DXI 'XD ýAAK Q'nfTT1TU T'YV A Q P1f1?n1CfT Supplemental Information for Effluent and Waste Disposal Liquid Effluents Analytical Methods For Liquid Releases Liquid batch releases include waste liquid treated by the liquid waste processing system and secondary system chemical regeneration waste. Liquid effluents resulting from primary to secondary leakage or other plant operations are continuously monitored and are tracked as continuous releases. For batch releases, representative pre-release grab samples are taken and analyzed in accordance with Table A3-1 of the Offsite Dose Calculation Manual. For continuous releases, representative samples are collected weekly and analyzed. Radionuclide analyses are performed using a Gamma Spectroscopy System. Aliquots of each pre-release batch sample are composited in accordance with the requirements in Table A3-1 of the Offsite Dose Calculation Manual. Tritium concentrations are determined using Liquid Scintillation Counting techniques. Dissolved and entrained gas concentrations are determined by counting grab samples on the Gamma Spectroscopy System. Strontium-89, Strontium-90, gross alpha, and Iron-55 determinations are performed by the on-site Radiological Services Laboratory. The radionuclide concentrations obtained are used with the total volume for each batch release.

Batch Releases Liquid and gaseous summaries are compiled from permits generated using a computer-based effluent management system and plant procedures. Liquid batch releases are accounted for by individual permits. Gaseous batch releases are accounted for by monthly permits and consist of reactor containment purges for the purpose of reducing radioactive material concentrations.

Batch times represent the actual period of releases and the periods that the purge valves were open.

Liquid (Unit 1)

Liquid (Unit 1) Quarter 1 Quarter 2 Quarter 3 Quarter 4

a. Number of batch releases 7 10 21 27

b. Total time period for batch 474 676 1422 1762 releases (minutes) 474_676 1422_1762

c. Maximum time period for a 71 72 70 70 batch release (minutes)

d. Average time period for 68 68 68 65 batch releases (minutes) 68 68_68_65

e. Minimum time period for a 65 64 61 54 batch release (minutes) 56 2-5

RADIOACTIVE EFFT I FPXTr PrT V A QV OVDCD-r 1AA4 SOUTH TEXIAS~ PROJECT Supplemental Information for Effluent and Waste Disposal Gaseous (Unit 1)

Gaseous (Unit 1) Quarter 1 Quarter 2 Quarter 3 Quarter 4

a. Number of batch releases 0 0 1 13

b. Total time period for batch 0 0 1560 40500 releases (minutes)

c. Maximum time period for a batch release (minutes) 0 0 1560 18360

d. Average time period for batch releases (minutes) 0 0 1560 3115

e. Minimum time period fora 0 0 1560 120 batch release (minutes)

Liquid (Unit 2)

Liquid (Unit 2) Quarter 1 Quarter 2 Quarter 3 Quarter 4

a. Number of batch releases 20 11 11 14

b. Total time period for batch 1073 637 681 826 releases (minutes)

c. Maximum time period fora 62 65 70 66 batch release (minutes)

d. Average time period for 54 58 62 59 batch releases (minutes)

e. Minimum time period for a batch release (minutes) 2 39 58 46 Gaseous (Unit 2)

Gaseous (Unit 2) Quarter 1 Quarter 2 1 Quarter 3 Quarter 4

a. Number of batch releases 0 0 0 0

b. Total time period for batch 0 0 0 0 releases (minutes)

c. Maximum time period for a 0 0 0 0 batch release (minutes)

d. Average time period for 0 0 0 0 batch releases (minutes)

e. batch Minimum releasetime period for (minutes) 00 00 0 Abnormal (Unplanned) Releases No abnormal releases occurred during this reporting period.

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RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal Estimate of Total Error Estimate of Error for Liquid Effluents The maximum error associated with volume and flow measurements, based upon plant calibration practice, is estimated to be + 1.27%. The error associated with the flow measurement is small in relation to the counting uncertainty of the radionuclide concentration analysis.

The average uncertainty associated with counting measurements is 10% or less at the 95%

confidence level.

The error associated with dilution volume is estimated to be + 10%.

Estimate of Error for Gaseous Effluents The maximum error associated with monitor readings, sample flow, vent flow, sample collection, monitor calibration and laboratory procedures are collectively estimated to be:

Fission and Activation Gases Low Activity (less than 10 microcurie per second) + 100%

Fission and Activation Gases High Activity (greater than or equal to 10 microcurie per second) + 20%

lodines + 25%

Particulates + 25%

Tritium + 50%

The average uncertainty associated with counting measurements is 10% or less at the 95%

confidence level for fission and activation gases, iodines, particulates and tritium.

Estimate of Error for Solid Radioactive Waste The error associated with determining the volume of solid radioactive waste shipments is estimated to be + 1%. The error associated with determining the filter media, spent primary resins, and spent secondary resins radioactivity is estimated to be within a factor of two of the real value and is due primarily to waste stream sampling uncertainty. The error associated with determining the radioactivity of other solid radioactive waste shipments is estimated to be within a factor of three of the real value.

Solid Waste Shipments A total of nineteen shipments of radioactive filter media, spent resins, dry active and other wastes were made during the reporting period. A summary of the data is provided in the Section 6, Solid Waste and Irradiated Fuel Shipments.

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R ADIO)AfTIVF FFF I .1 FNT RP1T.1P A qP flROT 2006 QnTL rEV A 0 DD n TEC' Supplemental Information for Effluent and Waste Disposal Radiological Impact on Man The data for the period January 1, 2006, through December 31, 2006, is provided in the Dose Accumulation (Section 7) and the Summary of Direct Radiation Table 8-1 (Section 8). The following dilution factors and dilution water flows were used for assessing the radiation doses due to radioactive liquid effluents released to unrestricted areas.

Receptor Location ODCM<1) Dilution Water Flow Dilution Water Dilution Water Dilution Factor Cubic Feet/Second Flow Flow Liters/Year Liters/Quarter Colorado River 1.00E+00 6.OOE+02 5.36E+11 1.34E+11 Matagorda Bay 1.63E+02 9.78E+04 8.73E+13 2.18E+13 Little Robbins 3.05E-02 1.83E+01 1.63E+10 4.08E+09 Slough Area (1) Offsite Dose Calculation Manual factor The dilution water flow used to estimate the individual dose due to ingestion of saltwater fish and saltwater invertebrates (shrimp) harvested from the Colorado River was 5.3 6E+ 11 liters per year for the years of 1989 through 2006. The dilution water flow used to estimate the individual dose due to ingestion of saltwater fish and saltwater invertebrates harvested from the Matagorda Bay was 8.73E+13 liters per year for the years of 1993 through 2006 as the result of a diversion channel that routes the Colorado River into Matagorda Bay. The dilution water flow used to estimate the individual dose due to ingestion of freshwater fish from the Little Robbins Slough Area was 1.63E+10 liters per year for the years 1989 through 2006. These dilution water flows were also used for estimating individual dose due to shoreline deposits. The radioactive material reported in the Liquid Effluent tables is the amount released to the Main Cooling Reservoir and does not contribute to dose until the radioactive material is released to unrestricted areas. In order to estimate the doses due to liquid effluents, the radioactive material reported must be adjusted by the values listed in the Offsite Dose Calculation Manual, Table B4-1, "Radionuclide Fractions N(i), Reaching Off-site Bodies of Water".

Meteorological Data The 2006 meteorological data is presented in the form of joint frequency tables. Each quarter contains eight tables, one for each stability class and one for all classes combined.

A second set of joint frequency tables is provided for time periods when the reactor containment building fans were operating to remove radioactive material from the containment for personnel protection reasons. These containment purges are classified as batch releases.

Lower Limit of Detection The Lower Limit of Detection (an a priori limit) is defined as the smallest concentration of radioactive material in a sample that will yield a net count above system background that will be detected with 95% probability, and only a 5% probability of falsely concluding that a blank observation represents a "real" signal. A zero (0) value in the attached tables indicates no activity detected.

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RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal Dose to Member of the Public Dose to Member of the Public from Direct Radiation Outside the Site Boundary The Offsite Dose Calculation Manual includes the direct radiation from plant structures as a component to the dose to a hypothetical, highest exposed Member of the Public located off site due to plant operations. The Offsite Dose Calculation Manual allows measurements made near the plant structures to be used in these calculations following suitable adjustments for distance and exposure time. In 2006, Thermoluminescent Dosimeters were placed along the protected area fence surrounding Units 1 and 2 of the South Texas Project, on the fence of the Onsite Staging Facility (Outside Storage), along the walls of OSF Warehouse D, and around the Old Steam Generator Storage Facility as pictured in Figure 8-1 of Section 8.

During the last quarter of 2006, radioactive waste was staged in the Onsite Staging Facility (Outside Storage). The results of these measurements are summarized in Table 8-1 of Section 8. The table shows that in 2006 Thermoluminescent Dosimeter stations near the OSF (Outside Storage) measured more exposure than typical of natural background determined prior to operation in the vicinity of the South Texas Project.

In accordance with the ODCM, the dose due to direct radiation can be estimated taking the highest TLD measurement, less background, and correcting for the distance to the site boundary using 2

Dosedirect = TLD * (PA)2 / (RD)

Where TLD = background corrected TLD annual dose, mrem/yr PA = distance from source of radiation to the TLD location, meters RD = distance from the source of radiation to the closest site boundary, meters The TLD average dose rate is the average of the four quarterly values for the highest location less the quarterly average background at the site boundary. The highest average TLD dose rate was 64.8 mrem/quarter for station #19 on one side of the OSF Outside Facility as shown in Figure 8-1. The value for TLD may be calculated as shown below where the historical site boundary background of 15.4 mrem/quarter is used to find the net rate attributable to waste stored onsite.

TLD = 64.8 - 15.4 = 49.4 mR/quarter or TLD = (49.4 mR/quarter) * (4 quarters/yr) = 198 mrem/yr assuming an mR is about equal to an mrem The approximate distances PA and RD are estimated using field measurements and global positioning satellite technology. The total dose to a hypothetical member of the public at the site boundary could be calculated as below:

Dosedirect = (198 mremlyr) * (17.1 meters)2 / (1060 meters)2 = 0.052 mrem/yr 2-9

KADIOAC IVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal This assumes someone is positioned permanently at the fence west-north west of the OSF Outside Facility. A real person might traverse this area twice daily (to and from work) for a total exposure time of Exposure time(realperson) = (250 work days per year) * (4 minites per trip) * (2 trips per day)

Exposure time(real person) = 2000 minutes = 0.00381 yr Dosedirect = 0.052 mremr/yr

0.00381 yr = 0.0002 mrem in 2006 In summary, a realistic dose of 0.0002 mrem was delivered to a member of the public offsite in 2006 although a hypothetical maximum dose of 0.052 mrem was possible at the nearest offsite location.

Dose to Member of the Public from Direct Radiation Inside the Site Boundary A hypothetical Member of the Public inside the site boundary but outside the protected area fence could receive less than one millirem from direct radiation. The most exposed employee on site who is also a member of the public would be a grounds keeper whose job required him to cut grass in the vicinity of the Onsite Staging Facility (Outside Storage) for radioactive waste. If such an individual worked 10 hours1.157407e-4 days 0.00278 hours 1.653439e-5 weeks 3.805e-6 months once a quarter at the fence nearest the highest dose rate waste, his direct radiation dose could be calculated as follows:

Dose (mrem) = 40 * [(14.2 + 12.2 + 14 + 224.4) / 4 - 15.4] 91 / 24 = 0.9 where 40 = 10 hours1.157407e-4 days 0.00278 hours 1.653439e-5 weeks 3.805e-6 months per quarter times four quarters 14.2 = peak dose rate in first quarter, mrem/quarter 12.2 = peak dose rate in second quarter, mrem/quarter 14.0 = peak dose rate in third quarter, mrem/quarter 224.4= peak dose rate in fourth quarter, mrem/quarter 15.4 = average pre-operation dose rate, mrem/quarter 91 = days in a standard quarter 24 = hours per day Since most of his time would be at distances far from the fence, this dose rate could be reduced by a further factor. Assuming he was on average at least twice as far form the highest level waste as was the dosimeter on the fence, the dose above could be reduced by an additional factor of about (1/3)2 to 0.1 mrem per year. Hence, in 2006 the highest exposed individual to direct radiation on site who was a member of the public, received 0.1 mrem of direct radiation.

Dose to Member of the Public from Direct Radiation and Radioactive Effluents Inside the Site Boundary A hypothetical Member of the Public outside the protected area fence but inside the site boundary could receive approximately 0.14 millirem from radioactive effluents due to inhalation and immersion. This dose plus the direct radiation dose would yield 0.24 millirem, a small fraction of 10 C.F.R. §20.1301 annual limit.

2-10

RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal Dose to Member of the Public from Radioactive Effluents Outside the Site Boundary using ODCM Exposure Pathways During 2006, the estimated total body dose to a hypothetical Member of the Public with the highest probability for exposure from radioactive effluents and direct radiation was 0.02 millirem. This total represents approximately 0.06% of the limits of 40 C.F.R. §190. Based on our 2006 Land Use Census, real individuals reside in the West by Southwest Sector, approximately 4,000 meters (2.5 miles) from the site. For dose calculation purposes, the residents at this location are characterized as the theoretically exposed with regard to food consumption, occupancy, and other uses of the areas in the plant vicinity. Our dose model assumes that this theoretically exposed individual may consume the maximum amount of food with all the food being grown or grazed at the residence. This individual receives shoreline exposure from Little Robbins Slough for 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months per year and consumes 21 kilograms (48 pounds) of fish taken from Little Robbins Slough. This individual receives a submersion dose from noble gases and dose from inhaled radioactive particulates, radioiodines, and tritium. This hypothetical adult is assumed to consume 64 kilograms (150 pounds) of vegetables grown at the residence and consumes 110 kilograms (250 pounds) of meat from livestock grazed at the residence. This estimated total body dose is calculated using models and exposure pathways described in our Offsite Dose Calculation Manual for a hypothetical individual offsite. Other dose estimates for Members of the Public onsite are listed in the report using exposure pathways not addressed by standard dose calculation methods.

Dose to Member of the Public from Radioactive Effluents Outside the Site Boundary using Liquid to Gaseous Receptor Exposure Pathways Consistent with normal operation of the units, approximately twenty-two hundred curies of tritium were released to the Main Cooling Reservoir during 2006. Our ODCM models liquid, gaseous, and direct dose exposure pathways separately and lists methods for dose calculations using models and assumptions specified in Regulatory Guides issued by the Nuclear Regulatory Commission. The models used by our ODCM and NRC Regulatory Guides assume that radioactive material released in liquid effluent remains in liquid and any receptors are exposed via liquid pathways. Since some portion of the tritium released in liquid effluents evaporates from the main cooling reservoir, this section is included to provide an estimate of offsite dose from that gaseous source which is not modeled under our current licensing requirements. The Environmental Protection Agency has a code, Iclt3, approved to calculate airborne concentrations in regions around one or more area sources.

Our main cooling reservoir with a surface area of about 28,300,000 square meters (7000 acres) is an area source and contributes tritium to the atmosphere. The atmospheric dispersion factor for the WSW sector at 4000 meters was estimated to be 4.01E-07 seconds per cubic meter using this EPA model and 2004 meteorological data. The product of X/Q, tritium released to the MCR, and dose factor (87.9 millirem-cubic meter per second-curie) generated an estimated whole body dose of 0.08 millirem, a small fraction of the limits of 40 C.F.R.

§190. A more complete description of the tritium dose to gaseous receptors from liquid effluent was evaluated by Condition Report 05-8815.

2-11

RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal Sewage Sludge Land Farming Sewage sludge removed from the West Sanitary Waste Treatment System was beneficially land applied onsite during 2006. This beneficial land application is not a radioactive effluent and is only reported to document this activity. The amount of radioactivity contained in the sludge was approximately 81 microcuries. This radioactivity includes nuclides of Cobalt-60 and tritium. In accordance with Texas Commission on Environmental Quality Permit No. 04523, the sludge is incorporated into the soil after application. A soil sample collected from the area in October 2006 indicated no activity above background, confirming that the concentration in the soil is below the limits established in Title 25 of the Texas Administrative Code Section 289.202 (ddd).

2-12

RADIOACTIVF FFFI.1 FFNT R PFPAqF P PP(-)PT - SOUTH TEXAS PROJECT EFI .1lENTP FlFASER F~lP2006A RADIACTIE Technical Specifications and Offsite Dose Calculation Manual Controls Reporting Requirements Technical Specifications and Offsite Dose Calculation Manual Controls Reporting Requirements 3-1

RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Technical Specifications and Offsite Dose Calculation Manual Controls Reporting Requirements Offsite Dose Calculation Manual Changes (reference, Technical Specifications, 6.13)

The ODCM must be formally reviewed at least once every 24-months. This review typically occurs in the fall in conjunction with the annual land use census. Any recommended changes identified since the last revision are considered at that time. Revision 14 of the ODCM includes improvements suggested over the past 24 months and include changes to sample location descriptions associated with the Radiological Environmental Monitoring Program (REMP). In addition, Licensing and Quality identified some corrections during the review and comment process.

During this review process spelling and typographical errors were corrected when found. All the formulas were retyped using the formula generation tools in Microsoft Word 2003. Tables were reformatted as was the balance of the ODCM to fully transition to Word 2003. However these changes are not identified in the revision by change bars since they do not change the intent and are cosmetic only.

The changes are summarized asfollows:

1. Part A, Control 3/4.3.3.11 was revised to reflect moving Technical Specification 3.11.2.5 to Technical Requirements Manual 3.11.2.5 (page 16).

2. Part A, Table 3.3-13, Instrument 3.d was revised to clarify that if either the normal or accident Flow Rate Monitor is inoperable, the instrument is inoperable. However, only the Sample Flow Rate Monitor in use need be checked daily (page 17).

3. Part A, Table 3.3-13, Instrument 3.e was revised to clarify that if either normal or accident Sample Flow Rate Monitor is inoperable, the instrument is inoperable.

However, only the Sample Flow Rate Monitor in use need be checked daily (page 17).

4. Part A, Table 3.3-13, Instrument 3.f was added to clarify that the signal is split and the processing of the signal for RT-8010A must be checked as well (page 17).

5. Part A, Table 4.3-9, Instrument 3.e was modified and 3.f was added to clarify that the signal is split and the processing of the signal for RT-8010A must be checked as well (page 18).

6. The location of a resident in the ENE sector was refined using GPS technology and the new distance is 7200 meters rather than the previous estimate of 8000 meters (page B4-31).

7. The location of a resident in the WNW sector was refined using GPS technology and the new distance is 7200 meters rather than the previous estimate of 6400 meters (page B4-31)..

8. References to CP&L were replaced by AEP in Table B5-3 (page 135-17).

9. Supplemental sample stations associated with tritium in ground water monitoring were added to Table 135-3 (pages 135-19 and B5-20).

These changes do not affect the methods used to calculate offsite doses or set points for effluent monitors. The changes do not affect STP's ability to meet the level of radioactive effluent control required by 10CFR20.1302, 40CFR190, 10CFR50.36a, and Appendix I to 10CFR50.

3-2

RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Technical Specifications and Offsite Dose Calculation Manual Controls Reporting Requirements Annual Land Use Census (reference, Offsite Dose Calculation Manual Controls, 3.12.2.a)

The Land Use Census identified no changes in the nearest residents within five miles.

In last year's report we incorrectly stated that the change in distance from the plant for the resident in the west by northwest sector was from 7200 to 6400 meters, the newly measured distance was 7200 meters. The distances to various gaseous dose pathway receptors may be found on page B4-31 of the ODCM attached to this report.

Radioactive Waste Treatment System Design Modification Description (reference, Offsite Dose Calculation Manual Controls, 6.15)

No major design modifications were made to the gaseous, liquid, or solid radioactive waste treatment systems during this reporting period.

Inoperable Effluent Monitoring Instrumentation Explanation (reference, Offsite Dose Calculation Manual Controls, 6.9.1.4)

For 2006, inoperable liquid effluent monitoring instruments were corrected within the time specified in Sections 3.3.3.10 of Offsite Dose Calculation Manual Controls.

For 2006, inoperable gaseous effluent monitoring instruments were corrected within the time specified in Sections 3.3.3.11 of Offsite Dose Calculation Manual Controls.

Gas Storage Tank Curie Limit Violation Description (reference, Offsite Dose Calculation Manual Controls, 6.9.1.4)

The Reactor Coolant System Vacuum Degassing System was not used during this reporting period. Therefore, the quantity of radioactive material in the Reactor Coolant System Vacuum Degassing System Storage Tanks did not exceed the limits set forth in Section 3.11.2.6 of Technical Specifications.

Unprotected Outdoor Tank Curie Limit Violation Description (reference, Offsite Dose Calculation Manual Controls, 6.9.1.4)

There are no Unprotected Outdoor Tanks at South Texas Project Electric Generating Station.

Therefore the quantity of radioactive material in any unprotected outdoor tank did not exceed the limit set forth in Section 3.11.1.4 of Technical Specifications.

3-3

RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Technical Specifications and Offsite Dose Calculation Manual Controls Reporting Requirements Abnormal (Unplanned) Release Description (reference, Offsite Dose Calculation Manual, 6.9.1.4)

No abnormal (unplanned) releases occurred during this reporting period.

Radioactive Waste Process Control Program Changes (reference, Technical Specifications, 6.13)

There were no changes to the Radioactive Waste Process Control Program during this reporting period.

0 3-4

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lnolý iWUTIT~l TJ2VA' PI*nTFrT Gaseous Effluents STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER ALL AIRBORNE EFFLUENTS Unit: 1 Starting": -Jan-2006 Ending: 30-Jun-2006 EST. TOT TYPE OF EFFLUENT UNITS QUARTER 1 QUARTER 2 ERROR A. FISSION & ACTIVATION PRODUCTS ______.,..+......._____

1. TOTAL RELEASE CURIES 1.39E+01 2.86E+01 100

2. AVERAGE RELEASE uCi/sec 1.79E+00 3.63E+00 RATE FOR PERIOD

3. PERCENT OF LIMIT %.86E-03 3.78E-03 (9.60E+04 uCi/sec)

B. RADIOIODINES ..... ___....________

1. IODINE-131 CURIES 0.00E+00 0.OOE+00 25

2. AVERAGE RELEASE uCi/sec O.OOE+O0 0.OOE+00 RATE FOR PERIOD

3. PERCENT OF LIMIT O.OOE+00 0.OOE+00 (4.OOE-02 uCi/sec)

C. PARTICULATES ________. "

1. PARTICULATES(HALF- CURIES 5.65E-05 6.38E-05 25 CI560.3 52 LIVES>8 DAYS)

2. AVERAGE RELEASE uCi/sec 7.26E-06 8.12E-06 RATE FOR PERIOD

3. PERCENT OF LIMIT 2.42E-03 2.71E-03 (3.OOE-01 uCi/sec)

4. GROSS ALPHA RDOCIIYCURIES 0.00E+00 0.00E+00 RADIOACTIVITY D. TRITIUM .... ___._ _ _ _

1. TOTAL RELEASE CURIES 1.41E+01 8.57E+00 50

2. AVERAGE RELEASE uCi/sec 1.81E+00 1.09E+00 RATE FOR PERIOD

3. PERCENT OF LIMIT 1.O1E-03 6.06E-04 (1.80E+05 uCi/sec) I I I 4-2

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QCV1 TTCIF'r OCT CA QU DCDýQý IIXI OTCTCCDDCOfin liTEXAS PROUJECT SOUTH Gaseous Effluents STP NUCLEAR OPERATING COMPANY Unit 1 REPORT CATEGORY: SEMIANNUAL AIRBORNE GROUND LEVEL CONTINUOUS AND BATCH RELEASES. TOTALS FOR EACH NUCLIDE RELEASED.

TYPE OF ACTIVITY: FISSION GASES, IODINES, AND PARTICULATES REPORTING PERIOD: QUARTER # 1 AND QUARTER # 2 YEAR 2006 NICLEDES UNITS ICONTINUOUS QUARTER71 MODE 2 QUARTER BATCHMODE QUARTER 1 QUARTER 2 RELEASED FISSION GASES Argon-41 CURIES 6.36E-01 9.18E-01 O.OOE+00 O.OOE+00 Xenon-133 CURIES 1.33E+0l 2.76E+01 O.OOE+00 O.OOE+00 Xenon-135 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 1.39E+01 2.86E+0l O.OOE+00 O.OOE+00 IODINES Iodine- 131 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Iodine-133 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 PARTICULATES Beryllium-7 CURIES 5.64E-05 6.38E-05 O.OOE+00 O.OOE+00 Cobalt-58 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Cobalt-60 CURIES 2.95E-09 O.OOE+00 O.OOE+00 O.OOE+00 Chromium-51 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Cesium-137 CURIES 5.29E-08 O.OOE+00 O.OOE+00 O.OOE+00 Iron-59 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Mercury-203 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Manganese-54 CURIES 1.26E-09 O.OOE+00 O.OOE+00 O.OOE+00 Niobium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Niobium-95M CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Selenium-75 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Zirconium-95 CURIES 0.00E+00 O.OOE+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 5.65E-05 6.38E-05 O.OOE+00 O.OOE+00 OTHER Hydrogen-3 (Tritium) CURIES 1.41E+O1 I 8.57E+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 1.41E+O1 8.57E+00 O.OOE+00 O.OOE+00 4-3

NN* SOU1TH- TP3A- PRC)IFC(T R ADIOACTIVE EFFLUENIFT RELEASE REZPORT 2006O THTXA 1~IC Gaseous Effluents 0 STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER ALL AIRBORNE EFFLUENTS Unit: 1 Starting : 1-Jul-2006 Ending: 31-Dec-2006 EST. TOT TYPE OF EFFLUENT UNITS QUARTER 3 QUARTER 4 ERROR 7

A. FISSION & ACTIVATION PRODUCTS . _ _*_ _ _ _

1. TOTAL RELEASE CURIES 4.34E+00 5.63E-01 100

2. AVERAGE RELEASE uCi/sec 5.46E-01 7.08E-02 RATE FOR PERIOD

3. PERCENT OF LIMIT 5.69E-04 7.38E-05 (9.60E+04 uCi/sec)

B. RADIOIODINES _ ____ _ _ _

1. IODINE-131 CURIES 2.64E-07 3.89E-05 25

2. AVERAGE RELEASE uCi/sec 3.32E-08 4.89E-06 RATE FOR PERIOD

3. PERCENT OF LIMIT 8.3 1E-05 1.22E-02 (4.OOE-02 uCi/sec)

C. PARTICULATES .. . . .. ___ _ .... ____________

1. PARTICULATES(HALF- CURIES 3.21E-05 5.09E-04 25 LIVES>8 DAYS)

2. AVERAGE RELEASE uCi/sec 4.03E-06 6.40E-05 RATE FOR PERIOD

3. PERCENT OF LIMIT 1.34E-03 2.13E-02 (3.OOE-01 uCi/sec)

4. GROSS ALPHA RDOCIIYC URIES 0.00E+00 0.00E+00 RADIOACTIVITY D. TRITIUM:...,______ ,_ __ __ _ _ ,_, _

1. TOTAL RELEASE CURIES 8.84E+00 6.55E+00 50

2. AVERAGE 2ARAGE ORPELSRELEASE uC i/sec 1.11E+00 8.24E-0 l RATE FOR PERIOD_____________________

3. PERCENT OF LIMIT 6.18E-04 4-58E-04 (1.80E+05 uCi/sec) 4-4

OAA* *f'tl IT'Ll TE'V A* DD/*'tT*pT RA~fOACTIVF PEFFLUEINT RELEAS REPOIrZRT 2".JU r I CXjA3 m rNUiJrL. 1 Gaseous Effluents STP NUCLEAR OPERATING COMPANY Unit 1 REPORT CATEGORY: SEMIANNUAL AIRBORNE GROUND LEVEL CONTINUOUS AND BATCH RELEASES. TOTALS FOR EACH NUCLIDE RELEASED.

TYPE OF ACTIVITY: FISSION GASES, IODINES, AND PARTICULATES REPORTING PERIOD: QUARTER # 3 AND QUARTER # 4 YEAR 2006 I CONTINUOUS MODE BATCH MODE NUCLIDES UNITS QUARTER 3 QUARTER 4 RELEASED QUARTER 3 QUARTER 4 FISSION GASES Argon-41 CURIES 3.07E-0l 1.80E-01 6.55E-01 O.OOE+00 Xenon-133 CURIES 3.38E+00 1.78E-01 O.OOE+00 2.05E-01 TOTAL FOR PERIOD CURIES 3.69E+00 3.58E-01 6.55E-01 2.05E-01 IODINES Iodine-131 CURIES 1.86E-07 1.85E-06 7.87E-08 3.70E-05 Iodine-133 CURIES 1.99E-06 O.OOE+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 2.17E-06 1.85E-06 7.87E-08 3.70E-05 PARTICULATES Beryllium-7 CURIES 2.75E-05 2.52E-05 1.15E-06 1.04E-05 Cobalt-58 CURIES 4.17E-07 3.11E-05 1.71E-07 1.50E-04 Cobalt-60 CURIES 1.45E-06 4.43E-06 2.28E-07 2.13E-05 Chromium-51 CURIES 7.63E-08 2.55E-05 2.48E-07 1.92E-04 Cesium-137 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Iron-59 CURIES O.OOE+00 O.OOE+00 O.OOE+00 3.81E-06 Mercury-203 CURIES 0.00E+00 4.66E-07 O.OOE+00 1.32E-05 Manganese-54 CURIES 1.97E-09 I.OOE-06 6.39E-09 9.19E-06 Niobium-95 CURIES 3.53E-09 4.35E-06 1.15E-08 9.86E-06 Niobium-95M CURIES 8.43E-07 O.OOE+00 O.OOE+00 O.OOE+00 Selenium-75 CURIES O.OOE+00 O.OOE+00 O.OOE+00 8.71E-07 Zirconium-95 CURIES O.OOE+00 5.17E-07 O.OOE+00 5.25E-06 TOTAL FOR PERIOD CURIES 3.03E-05 9.26E-05 1.81 E-06 4.16E-04 OTHER Hydrogen-3 (Tritium) CURIES 8.77E+00 4.09E+00 6.84E-02 2.45E+00 TOTAL FOR PERIOD CURIES 8.77E+00 4.09E+00 6.84E-02 2.45E+00 4-5

R A Dl(-)ACTlVF FFFI.IFFNT RFl.FA0,F RF.PORT 2M06 v,nt1jTH TF)(AP PR(-)IFC*T Gaseous Effluents COMPANY STP NUCLEAR OPERATING SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER ALL AIRBORNE EFFLUENTS Unit: 2 Starting : 1-Jan-2006 Ending: 30-Jun-2006 EST. TOT TYPE OF EFFLUENT UNITS QUARTER 1 QUARTER 2 ERROR A. FISSION & ACTIVATION PRODUCTS _ _ _ __ _ _

1. TOTAL RELEASE CURIES 5.34E+00 2.16E+01 100

2. AVERAGE RELEASE uC i/sec 6.87E-01 2.75E+00 RATE FOR PERIOD

3. PERCENT OF LIMIT 7.16E-04 2.87E-03 (9.60E+04 uCi/sec)

B. RADIOIODINES __ ... .- _-_.... .__

I. IODINE-131 CURIES 0.OOE+00 0.OOE+00 25

2. AVERAGE RELEASE uCi/sec O.OOE+0O 0.OOE+0O RATE FOR PERIOD

3. PERCENT OF LIMIT % 0.OOE+00 0.OOE+00 (4.OOE-02 uCi/sec)

C. PARTICULATES

1. PARTICULATES(HALF- CURIES 5.56E-05 5.58E-05 25 LIVES>8 DAYS)

2. AVERAGE RELEASE uCi/sec 7.15E-06 7.1OE-06 RATE FOR PERIOD

3. PERCENT OF LIMIT 2.38E-03 2.37E-03 (3.OOE-0I uCi/sec)

4. GROSS ALPHA ADOCIIYCURIES 0.00E+00 RADIOACTIVITY 0.00E+00 D. TRITIUM ___....___ _ _ _ _

1. TOTAL RELEASE CURIES 6.99E+00 1.05E+0l 50

2. AVERAGE RELEASE uCi/sec 8.99E-01 1.34E+00 RATE FOR PERIOD

3. PERCENT OF LIMIT 5.OOE-04 7.44E-04 (1.80E+05 uCi/sec) I 4-6

RADIOACTIVE~ EFFLET iihTRELEZASE RP~nflPT MJI[ I2AIt'UJ Gaseous Effluents STP NUCLEAR OPERATING COMPANY Unit 2 REPORT CATEGORY: SEMIANNUAL AIRBORNE GROUND LEVEL CONTINUOUS AND BATCH RELEASES. TOTALS FOR EACH NUCLIDE RELEASED.

TYPE OF ACTIVITY: FISSION GASES, IODINES, AND PARTICULATES REPORTING PERIOD: QUARTER # 1 AND QUARTER # 2 YEAR 2006 I CONTINUOUS MODE NUCLIDES UNITS NSBATCH QUARTER 1 QUARTER 2 QUARTER1 MOE QUARTER 2 RELEASED FISSION GASES Argon-41 CURIES 3.90E-01 7.39E-01 O.OOE+00 O.OOE+00 Xenon-133 CURIES 4.91 E+00 2.09E+01 O.OOE+00 O.OOE+00 Xenon-135 CURIES 4.55E-02 O.OOE+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 5.34E+00 2.16E+01 O.OOE+00 O.OOE+00 IODINES Iodine- 131 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Iodine-133 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES O.OOE+00 0.OOE+00 O.OOE+00 O.OOE+00 PARTICULATES Beryllium-7 CURIES 4.90E-05 5.43E-05 O.OOE+00 O.OOE+00 Cobalt-58 CURIES 6.06E-06 5.68E-07 O.OOE+00 O.OOE+00 Cobalt-60 CURIES O.OOE+00 9.47E-07 O.OOE+00 O.OOE+00 Chromium-51 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Cesium- 134 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Cesium-137 CURIES 4.76E-07 1.69E-09 O.OOE+00 O.OOE+00 Manganese-54 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Molybdenum-99 CURIES O.OOE+00 0.OOE+00 O.OOE+00 0.00E+00 Niobium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Technetium-99M CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Zirconium-95 CURIES O.OOE+00 O.OOE+00 0.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 5.56E-05 5.58E-05 O.OOE+00 O.OOE+00 OTHER Hydrogen-3 (Tritium) CURIES 6.99E+00 1.05E+01I O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES [ .9E0 1.05E+/-01 O.OOE+/-OO O.OOE+OO 4-7

9NN* SOU TH-TEXAS PROJEFCT IASE REPO~RT IZ'.T RELE R ADIOfACTIVE EFFLUEN 2006 o TTITPA RCIC Gaseous Effluents 0 STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER ALL AIRBORNE EFFLUENTS Unit: 2 Starting 1-Jul-2006 Ending: 31 -Dec-2006 EST. TOT TYPE OF EFFLUENT UNITS QUARTER 3 QUARTER 4 ERROR A. FISSION & ACTIVATION PROD UCTS " ___ ._ .... ___,_... __ ..

1. TOTAL RELEASE CURIES 2.40E+01 3.60E+0 l 100

2. AVERAGE RELEASE uCi/sec 3.02E+00 4.53E+00 RATE FOR PERIOD

3. PERCENT OF LIMIT 3.14E-03 4.72E-03 (9.60E+04 uCi/sec)

B. RADIO[ODFNES ._,, _ __ * .. . ____, ___

1. IODINE-131 CURIES 0.OOE+00 7.43E-08 25

2. AVERAGE RELEASE uCi/sec 0.OOE+00 9.35E-09 RATE FOR PERIOD

3. PERCENT OF LIMIT %.OOE+00 2.34E-05 (4.OOE-02 uCi/sec)

C. PARTICULATES _____ ____

L.PARTICULATES(HALF- CURIES 3.20E-05 3.91E-05 25 LIVES>8 DAYS)

2. AVERAGE RELEASE uCi/sec 4.03E-06 4.91E-06 RATE FOR PERIOD

3. PERCENT OF LIMIT 1.34E-03 1.64E-03 (3.OOE-01 uCi/sec)

4. GROSS ALPHARDOCIIYCURIES 0.00E+00 0.00E+00 RADIOACTIVITY D. TRITIUM _____....._________ ___________ _______

1. TOTAL RELEASE CURIES 1.35E+01 1.70E+01 50

2. AVERAGE RELEASE uCi/sec 1.69E+00 2.14E+00 RATE FOR PERIOD

3. PERCENT OF LIMIT 9.40E-04 1.19E-03 (1.80E+05 uCi/sec) II I I 4-8

D A n*In A C'ýTTXIU CrIr]T I- r 1 '!t '" ) n nt D ~r~Lr l~ATIECUTTn~rnlzuO XL1X)lICr~

fin nrrm r 1I / UVO SOUTH TEXAS PROJECT Gaseous Effluents STP NUCLEAR OPERATING COMPANY Unit 2 REPORT CATEGORY: SEMIANNUAL AIRBORNE GROUND LEVEL CONTINUOUS AND BATCH RELEASES. TOTALS FOR EACH NUCLIDE RELEASED.

TYPE OF ACTIVITY: FISSION GASES, IODINES, AND PARTICULATES REPORTING PERIOD: QUARTER # 3 AND QUARTER # 4 YEAR 2006 NUCLIDES RELEAS UNITS 1 1 B RELEASED QUARTER 3 QUARTER 4 QUARTER 3 QUARTER 4 FISSION GASES Argon-41 CURIES 7.48E-01 1.40E+00 O.OOE+00 O.OOE+00 Xenon-133 CURIES 2.32E+01 3.46E+O1 O.OOE+00 O.OOE+00 Xenon-135 CURIES O.OOE+00 0.OOE+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 2.40E+Ol 3.60E+O1 O.OOE+00 O.OOE+00 IODINES Iodine-131 CURIES O.OOE+00 7.43E-08 O.OOE+00 O.OOE+00 Iodine-133 CURIES O.OOE+00 6.04E-07 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES O.OOE+00 6.78E-07 O.OOE+00 O.OOE+00 PARTICULATES Beryllium-7 CURIES 3.20E-05 2.59E-05 O.OOE+00 O.OOE+00 Cobalt-58 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Cobalt-60 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Chromium-51 CURIES O.OOE+00 1.29E-05 O.OOE+00 O.OOE+00 Cesium-134 CURIES O.OOE+00 5.91E-09 O.OOE+00 O.OOE+00 Cesium-137 CURIES 2.45E-09 2.12E-08 O.OOE+00 O.OOE+00 Manganese-54 CURIES O.OOE+00 6.58E-09 O.OOE+00 O.OOE+00 Molybdenum-99 CURIES O.OOE+00 9.79E-08 O.OOE+00 O.OOE+00 Niobium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Technetium-99M CURIES O.OOE+00 1.93E-07 O.OOE+00 O.OOE+00 Zirconium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 3.20E-05 3.91E-05 O.OOE+00 O.OOE+00 OTHER Hydrogen-3 (Tritium) CURIES 1.35E+01 1.70E+01 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 1.35E+01 1.70E+01 O.OOE+00 O.OOE+00 4-9

O1/TI-I TI*XA,* PRO IF.(*T RELASE REPORT PRADIOACTIVE EFIFLUETPI SOUTH ITEXiAS PROJECT Gaseous Effluents STP NUCLEAR OPERATING COMPANY Unit 1 plus 2 Total REPORT CATEGORY: ANNUAL AIRBORNE GROUND LEVEL RELEASES.

TOTALS FOR EACH NUCLIDE RELEASED. FOR ALL OF 2006 NUCLIDES UNIT 1 UNIT 2 TOTAL RELEASED 2006 2006 2006 FISSION GASES Argon-41 CURIES 2.696E+00 3.262E+00 5.958E+00 Xenon-133 CURIES 4.467E+O I 8.342E+O 1 1.281E+02 Xenon- 135 CURIES O.OOOE+00 4.549E-02 4.549E-02 TOTAL FOR PERIOD CURIES 4.737E+0l 8.673E+01 1.341E+02 IODINES Iodine-131 CURIES 3.912E-05 7.096E-08 3.919E-05 Iodine-133 CURIES 1.987E-06 6.041E-07 2.591E-06 TOTAL FOR PERIOD CURIES 4.11 lE-05 6.750E-07 4.178E-05 PARTICULATES Beryllium-7 CURIES 1.845E-04 1.613E-04 3.458E-04 Cobalt-58 CURIES 1.815E-04 6.63IE-06 1.88 lE-04 Cobalt-60 CURIES 2.740E-05 9.467E-07 2.835E-05 Chromium-51 CURIES 2.183E-04 1.289E-05 2.312E-04 Cesium-134 CURIES O.OOOE+00 5.611E-09 5.611E-09 Cesium-137 CURIES 5.286E-08 5.007E-07 5.536E-07 iron-59 CURIES 3.806E-06 O.OOOE+00 3.806E-06 Mercury-203 CURIES 1.371E-05 O.OOOE+00 1.371E-05 Manganese-54 CURIES 1.020E-05 5.243E-09 1.020E-05 Molybdenum-99 CURIES O.OOOE+00 9.792E-08 9.792E-08 Niobium-95 CURIES 1.405E-05 O.OOOE+00 1.405E-05 Niobium-95M CURIES 8.430E-07 O.OOOE+00 8.430E-07 Selenium-75 CURIES 8.713E-07 O.OOOE+00 8.713E-07 Technetium-99M CURIES O.OOOE+00 1.916E-07 1.916E-07 Zirconium-95 CURIES 5.765E-06 O.OOOE+00 5.765E-06 TOTAL FOR PERIOD CURIES 6.610E-04 1.825E-04 8.435E-04 OTHER Hydrogen-3 (Tritium) CURIES 3.797E+01 4.780E+O1 8.577E+O1 TOTAL FOR PERIOD CURIES 3.797E+O1 4.780E+01 8.577E+01 4-10

TFT RADO~fACTIVE ETFILU R1EI 1AQEDMT7DC~T SQU -IH EXAS PROJECT Li quid Effluents LIQUID EFFLUENTS 5-1

R A r)t(-)ACTfVF FFFJ I FFNTRF1.FA.,F RFPORT 2006 0SOUTH TEXAS PROJECT Liquid Effluents STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER ALL LIQUID EFFLUENTS Unit: 1 Starting: 1-Jan-2006 Ending: 30-Jun-2006 EST. TOT TYPE OF EFFLUENT UNITS QUARTER 1 QUARTER 2 ERROR A. FISSION & ACTIVATION PRODUCTS

1. TOTAL RELEASE (NOT INCLUDING CURIES 4.045E-03 3.396E-03 10 TRITIUM, GASES, ALPHA)

2. AVERAGE DILUTED CONCENTRATION uCi/mL 5.520E-09 3.323E-09 DURING PERIOD OF EC* LIMIT %PERCENT 9.619E-03 7.762E-03 (FRACTIONAL)

B. TRITIUM

1. TOTAL RELEASE CURIES 2.571E+02 4.578E+02 10

2. AVERAGE DILUTED CONCENTRATION uCi/mL 3.508E-04 4.479E-04 DURING PERIOD

3. % OF LIMIT (1.OOE-02 uCi/mL) _ 3509E+00 4.478E+00 C. DISSOLVED AND ENTRAINED GASES ."_,_ _ _ _ _ _

1.TOTAL RELEASE CURIES 1.936E-05 7.252E-05 10

2. AVERAGE DILUTED CONCENTRATION uCi/mL 2.642E- I I 7.096E- 11 DURING PERIOD

3. PERCENT OF LIMIT (2.OOE-04 % 1.321E-05 3.547E-05 uCi/mL)

D. GROSS ALPHA RADIOACTIVITY ,_ _ _ _ _ _ ._ ....

I. TOTAL RELEASE CURIES 0.OOOE+00 0.OOOE+00 10 E. WASTE VOL RELEASED I. TOTAL PRE-DILUTION VOLUME LITERS 7.804E+06 9.020E+06 I

2. BATCH PRE-DILUTION VOLUME LITERS 3.944E+05 5.521E+05 I F. VOLUME OF DILUTION WATER LITERS 7.250E+08 1.013E+09 10 USED**

EC= Effluent Concentration

"*"Volume of dilution water used" means the volume of water circulated through the main condenser during the actual time of release. Liquid effluent releases ultimately dilute into the volume of the onsite main cooling reservoir and then into offsite water bodies as described in Section 2, subsection Radiological Impact on Man of this report.

5-2

AA*

RADIOACTIVE EFFLUE INT RE[LEASE REFPORTT ,(JUU In IrAA3 rrUJtUtL Liquid Effluents STP NUCLEAR OPERATING COMPANY Unit 1 REPORT CATEGORY: SEMIANNUAL LIQUID CONTINUOUS AND BATCH RELEASES. TOTALS FOR EACH NUCLIDE RELEASED.

TYPE OF ACTIVITY: ALL RADIONUCLIDES REPORTING PERIOD: QUARTER # 1 AND QUARTER # 2 YEAR 2006 CONTINUOUS RELEASES ULIES UNITS QUARTER 1 QUARTER RBATCH 2 QUARTER 1RELEASES QUARTER 2 RELEASED ALL NUCLIDES Silver- 1IGM CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Beryllium-7 CURIES O.OOE+00 O.OOE+00 O.OOE+00 1.69E-04 Cobalt-57 CURIES O.OOE+00 O.OOE+00 O.OOE+00 2.99E-06 Cobalt-58 CURIES O.OOE+00 O.OOE+00 2.39E-04 2.01E-04 Cobalt-60 CURIES O.OOE+00 O.OOE+00 6.95E-04 1.30E-03 Chromium-51 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Cesium-134 CURIES O.OOE+00 O.OOE+00 1.31E-04 1.03E-04 Cesium-137 CURIES O.OOE+00 O.OOE+00 2.42E-04 2.06E-04 Iron-55 CURIES O.OOE+00 O.OOE+00 9.47E-04 7.85E-04 Iron-59 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Tritium CURIES 1.88E-01 1.63E-01 2.57E+02 4.58E+02 Iodine-131 CURIES O.OOE+00 O.OOE+00 5.01E-06 O.OOE+00 Manganese-54 CURIES O.OOE+00 O.OOE+00 1.61E-03 5.18E-04 Sodium-24 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Niobium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Antimony- 124 CURIES O.OOE+00 O.OOE+00 O.OOE+00 1.28E-05 Antimony- 125 CURIES O.OOE+00 O.OOE+00 1.74E-04 9.95E-05 Antimony- 126 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Tin-I 17M CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Strontium-89 CURIES 0.OOE+00 O.OOE+00 9.46E-07 2.3 l E-06 Strontium-90 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Telurium-125M CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Xenon-133 CURIES O.OOE+00 O.OOE+00 1.94E-05 7.25E-05 Xenon-133M CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Xenon- 135 CURIES O.OOE+00 O.OOE+00 O.OOE+00 0.00E+00 Zinc-65 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Zirconium-95 CURIES 0.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 1.88E-01 1.63E-01 2.57E+02 4.58E+02 5-3

I*' A V3I('3Ag'TI'*I!*" !*1717I I ]grNIT O1*'I !*'A *!*' *I=DOOT 9AAK *.CII ITM TF3(A* PROIFCT D A r'IcQArTrx!I P21ZI1 "EINIT RIEI IAQE1 RE2PORT 2006lt SOU TH TEXAS PROJECT Liquid Effluents STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER ALL LIQUID EFFLUENTS Unit: 1 Starting: 1-Jul-2006 Ending: 31-Dec-2006 EST. TOT TYPE OF EFFLUENT UNITS QUARTER 3 QUARTER 4 ERROR A. FISSION & ACTIVATION PRODUCTS ......... . _ _____...__

1. TOTAL RELEASE (NOT INCLUDING TRITIUM, GASES, CURIES 1.0 l 5E-02 8.888E-03 10 ALPHA)

2. AVERAGE DILUTED CONCENTRATION uCi/mL 4.156E-09 3.642E-09 DURING PERIOD

3. PERCENT OF EC* LIMIT % 6.606E-03 3.861 E-03 (FRACTIONAL)

B. TRITIUM

1. TOTAL RELEASE

2. AVERAGE DILUTED CURIES 4.957E+02 1.634E+02 10 0

CONCENTRATION uCi/mL 2.029E-04 6.695E-05 DURING PERIOD

3. % OF LIMIT (1.OOE-02 uCi/mL) % 2.029E+00 6.692E-0 I C. DISSOLVED AND ENTRAINED GASES _ _.. ... .

I. TOTAL RELEASE CURIES 5.42 1E-04 4.640E-03 10

2. AVERAGE DILUTED CONCENTRATION uCi/mL 2.219E- 10 1.901E-09 DURING PERIOD

3. PERCENT OF LIMIT (2.OOE-04 % 1.11OE-04 9.505E-04 uCi/mL)

D. GROSS ALPHA RADIOACTIVITY _ ____

I. TOTAL RELEASE CURIES 0.000E+00 0.OOOE+00 . 10 E. WASTE VOL RELEASED

1. TOTAL PRE-DILUTION LITERS 9.475E+06 1.047E+07 I VOLUME

2. BATCH PRE-DILUTION LITERS 1.170E+06 1.416E+06 I VOLUME F. VOLUME OF DILUTION LITERS 2.433E+09 2.430E+09 10 WATER USED**

EC= Effluent Concentration

"*"Volume of dilution water used" means the volume of water circulated through the main condenser during the actual time of release. Liquid effluent releases ultimately dilute into the volume of the onsite main cooling reservoir and then into offsite water bodies as described in Section 2, subsection Radiological Impact on Man of this report.

5-4

EFFf TFrx'TDm f7 A QC7DCDnDT RADIOACTIVER~l~lC'T~r

~i~ IPMD~TIA~2D-vlD uo ITEXAS PROJECT SOUTH Liquid Effluents STP NUCLEAR OPERATING COMPANY Unit 1 REPORT CATEGORY: SEMIANNUAL LIQUID CONTINUOUS AND BATCH RELEASES. TOTALS FOR EACH NUCLIDE RELEASED.

TYPE OF ACTIVITY: ALL RADIONUCLIDES REPORTING PERIOD: QUARTER # 3 AND QUARTER # 4 YEAR 2006 CONTINUOUS RELEASES NUCLIDESI RELEASED UNITS QUARTER 3 QUARTER 4 QUARTER 3 QUARTER 4 ALL NUCLIDES ..... ___...._.....

Silver- l OM CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Beryllium-7 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Cobalt-57 CURIES O.OOE+00 O.OOE+00 1.50E-05 9.90E-06 Cobalt-58 CURIES O.OOE+00 O.OOE+00 1.67E-04 3.83E-04 Cobalt-60 CURIES O.OOE+00 O.OOE+00 3.70E-03 2.14E-03 Chromium-51 CURIES O.OOE+00 O.OOE+00 O.OOE+00 2.40E-03 Cesium-134 CURIES O.OOE+00 O.OOE+00 3.31E-05 2.54E-06 Cesium-137 CURIES O.OOE+00 O.OOE+00 1.23E-04 2.98E-05 Iron-55 CURIES O.OOE+00 O.OOE+00 8.54E-04 5.35E-04 Iron-59 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Tritium CURIES 6.06E-02 2.42E-02 4.96E+02 1.63E+02 Iodine- 131 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Manganese-54 CURIES O.OOE+00 O.OOE+00 1.37E-03 8.OOE-04 Sodium-24 CURIES O.OOE+00 O.OOE+00 O.OOE+00 2.20E-06 Niobium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Antimony- 124 CURIES O.OOE+00 O.OOE+00 O.OOE+00 4.94E-04 Antimony-125 CURIES O.OOE+00 O.OOE+00 2.19E-03 2.05E-03 Antimony- 126 CURIES O.OOE+00 O.OOE+00 O.OOE+00 4.62E-06 Tin-I 17M CURIES O.OOE+00 O.OOE+00 2.69E-06 2.9lE-05 Strontium-89 CURIES O.OOE+00 O.OOE+00 3.29E-06 9.78E-06 Strontium-90 CURIES O.OOE+00

+/-.00E+00 O.OOE+00 O.OOE+00 Telurium- I25M CURIES O.OOE+00 O.OOE+00 1.70E-03 O.OOE+00 Xenon-133 CURIES O.OOE+00 O.OOE+00 5.42E-04 3.58E-03 Xenon-133M CURIES O.OOE+00 O.OOE+00 O.OOE+00 1.52E-04 Xenon-135 CURIES O.OOE+00 O.OOE+00 O.OOE+00 9.05E-04 Zinc-65 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Zirconium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 6.06E-02 2.42E-02 4.96E+02 1.63E+02 5-5

9OD* RNI ITI-I TI*X*AR PRNIFCT RAD.IO.ACTIVE EFFLUE[NT RELEASE. REPORT 2006 SOU.TH. TEXAS. PRO.CT Liquid Effluents STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER ALL LIQUID EFFLUENTS Unit: 2 Starting: 1-Jan-2006 Ending: 30-Jun-2006 EST. TOT TYPE OF EFFLUENT UNITS QUARTER 1 QUARTER 2 ERROR A. FISSION & ACTIVATION -.

P RO D U C T S

1. TOTAL RELEASE (NOT INCLUDING TRITIUM, GASES, CURIES 7.626E-03 3.881E-03 10 ALPHA)

2. AVERAGE DILUTED CONCENTRATION uCi/mL 1.041E-08 3.797E-09 DURING PERIOD

3. PERCENT OF EC* LIMIT % 9.240E-03 3.135E-03 (FRACTIONAL)

B. TRITIUM

1. TOTAL RELEASE CURIES 4.173E+0l 1.254E+01 10

2. AVERAGE DILUTED CONCENTRATION uCi/mL 5.695E-05 1.227E-05 DURING PERIOD

3. % OF LIMIT (1.OOE-02 uCi/mL) % 3.023E-01 1.302E-01 C. DISSOLVED AND ENTRAINED GASES _ _,_ _ .....

I. TOTAL RELEASE CURIES l.143E-04 O.OOOE+00 10

2. AVERAGE DILUTED CONCENTRATION uC i/mL 1.560E- 10 O.OOOE+00 DURING PERIOD

3. PERCENT OF LIMIT (2.OOE-04 % 4.140E-05 0.OOOE+00 uCi/mL)

D. GROSS ALPHA RADIOACTIVITY __....._ __ _ __"_ _

I. TOTAL RELEASE CURIES 0.OOOE+00 0.OOOE+00 10 E. WASTE VOL RELEASED

1. TOTAL PRE-DILUTION LITERS 3.671E+06 2.968E+06 I VOLUME

2. BATCH PRE-DILUTION LITERS 1.006E+06 5.695E+05 1 VOLUME F. VOLUME OF DILUTION LITERS 1.377E+09 9.603E+08 10 WATER USED**

EC= Effluent Concentration

"*"Volume of dilution water used" means the volume of water circulated through the main condenser during the actual time of release. Liquid effluent releases ultimately dilute into the volume of the onsite main cooling reservoir and then into offsite water bodies as described in Section 2, subsection Radiological Impact on Man of this report.

5-6

NA*

RAfl[OACTfVF EFFLUENT RELE ASE2 REfPORT nUJL I i IAA Liquid Effluents STP NUCLEAR OPERATING COMPANY Unit 2 REPORT CATEGORY: SEMIANNUAL LIQUID CONTINUOUS AND BATCH RELEASES. TOTALS FOR EACH NUCLIDE RELEASED.

TYPE OF ACTIVITY: ALL RADIONUCLIDES REPORTING PERIOD: QUARTER # 1 AND QUARTER # 2 YEAR 2006 CONTINUOUS RELEASES NUCLIDES UNITS QUARTER 1 QUARTERS2 BATCH 1R QUARTER QUARTER LEASES 2 ALL NUCLIDES ,____. .__

Silver-1OM CURIES O.OOE+00 O.OOE+00 6.61E-06 O.OOE+00 Beryllium-7 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Cobalt-57 CURIES O.OOE+00 O.OOE+00 4.06E-06 O.OOE+00 Cobalt-58 CURIES O.OOE+00 O.OOE+00 8.34E-04 3.52E-05 Cobalt-60 CURIES O.OOE+00 O.OOE+00 2.54E-03 4.18E-04 Chromium-51 CURIES O.OOE+00 O.OOE+00 1.08E-04 4.74E-05 Cesium-134 CURIES O.OOE+00 O.OOE+00 6.24E-05 6.78E-06 Cesium-137 CURIES O.OOE+00 O.OOE+00 2.19E-04 7.20E-05 Iron-55 CURIES O.OOE+00 O.OOE+00 1.48E-03 1.29E-03 Iron-59 CURIES O.OOE+00 O.OOE+00 6.28E-06 O.OOE+00 Tritium CURIES 7.25E-02 1.IlE-01 4.17E+01 1.24E+01 Iodine- 131 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Manganese-54 CURIES O.OOE+00 O.OOE+00 5.85E-04 2.15E-05 Sodium-24 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Niobium-95 CURIES O.OOE+00 O.OOE+00 3.18E-05 O.OOE+00 Antimony-124 CURIES O.OOE+00 O.OOE+00 O.OOE+00 0.00E+00 Antimony-125 CURIES O.OOE+00 O.OOE+00 1.74E-03 1.98E-03 Antimony-126 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Tin-I 17M CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Strontium-89 CURIES O.OOE+00 O.OOE+00 2.68E-06 1.36E-06 Strontium-90 CURIES O.OOE+00 O.OOE+00 1.81E-06 3.1OE-07 Telurium-125M CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Xenon-133 CURIES O.OOE+00 O.OOE+00 1.14E-04 O.OOE+00 Xenon- 133M CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Xenon-135 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Zinc-65 CURIES O.OOE+00 O.OOE+00 O.OOE+00 3.29E-06 Zirconium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 7.25E-02 1.1IE-01 4.17E+O1 1.24E+01 5-7

D A T*[* A *'T"T'II]* I*I21*l I']E'NTT DET E*A *1*" DIL*D*DT 0NN* q IT14 TtIV'.~q DDflI2CfT TiAJLI'JtSA.. IIv 1 LrrL N 1I NU l~lls r'JNI1 ZUUUF"rfJ P Liquid Effluents STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER ALL LIQUID EFFLUENTS Unit: 2 Starting 1-Jul-2006 Ending : 31 -Dec-2006 EST. TOT TYPE OF EFFLUENT UNITS QUARTER 3 QUARTER 4 ERROR A. FISSION & ACTIVATION PRODUCTS

1. TOTAL RELEASE (NOT INCLUDING TRITIUM, GASES, CURIES 4.035E-03 1.720E-03 10 ALPHA)

2. AVERAGE DILUTED CONCENTRATION uC i/mL 1.652E-09 7.048E- 10 DURING PERIOD

3. PERCENT OF EC* LIMIT % 3.710E-03 2.155E-03 (FRACTIONAL)

B. TRITIUM

1. TOTAL RELEASE CURIES 2.934E+02 5.206E+02 10

2. AVERAGE DILUTED CONCENTRATION uC i/mL 1.201E-04 2.133E-04 DURING PERIOD

3. % OF LIMIT (l.00E-02 uCi/mL) % 2.508E+00 4.207E+00 C. DISSOLVED AND ENTRAINED GASES I. TOTAL RELEASE CURIES 9.102E-05 2.068E-03 10

2. AVERAGE DILUTED CONCENTRATION uCi/mL 3.727E- I I 8.474E- 10 DURING PERIOD

3. PERCENT OF LIMIT (2.OOE-04 % 3.890E-05 8.358E-04 uCi/mL)

D. GROSS ALPHA RADIOACTIVITY _ _ _ _ _ _ _ _ __......

1. TOTAL RELEASE CURIES 0.OOOE+00 0.OOOE+00 10 E. WASTE VOL RELEASED _ _ _ _ _

1. TOTAL PRE-DILUTION LITERS 4.697E+06 4.930E+06 I VOLUME

2. BATCH PRE-DILUTION LITERS 6.204E+05 7.207E+05 1 VOLUME F. VOLUME OF DILUTION LITERS 1.165E+09 1.232E+09 10 WATER USED**

EC= Effluent Concentration

""*Volume of dilution water used" means the volume of water circulated through the main condenser during the actual time of release. Liquid effluent releases ultimately dilute into the volume of the onsite main cooling reservoir and then into offsite water bodies as described in Section 2, subsection Radiological Impact on Man of this report.

5-8

RADIOACTIVE EFFLUENT RFIF.ASF RP.P(-)RT ?noc, Qnl' -MVTI*A Q DDnhi/T=

Liquid Effluents STP NUCLEAR OPERATING COMPANY Unit 2 REPORT CATEGORY: SEMIANNUAL LIQUID CONTINUOUS AND BATCH RELEASES. TOTALS FOR EACH NUCLIDE RELEASED.

TYPE OF ACTIVITY: ALL RADIONUCLIDES REPORTING PERIOD: QUARTER # 3 AND QUARTER # 4 YEAR 2006 NUCLIEES UNITS QUARTER 3 QUARTER 4 QUARTER 3 QUARTER 4 ALL NUCLIDES,__ ,,"__ ___ __ __ _______. -_

Silver- 1OM CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Beryllium-7 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Cobalt-57 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Cobalt-58 CURIES O.OOE+00 O.OOE+00 5.42E-05 1.62E-05 Cobalt-60 CURIES O.OOE+00 O.OOE+00 7.29E-04 6.63 E-04 Chromium-5i CURIES O.OOE+00 O.OOE+00 3.28E-05 6.01E-06 Cesium-134 CURIES O.OOE+00 O.OOE+00 2.37E-05 O.OOE+00 Cesium-137 CURIES O.OOE+00 O.OOE+00 8.48E-05 2.46E-05 Iron-55 CURIES O.OOE+00 O.OOE+00 1.22E-03 5.82E-04 Iron-59 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Tritium CURIES 1.63E-01 8.77E-02 2.93E+02 5.20E+02 Iodine- 131 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Manganese-54 CURIES O.OOE+00 O.OOE+00 4.11E-05 1.14E-05 Sodium-24 CURIES O.OOE+00 O.OOE+00 0.00E+00 O.OOE+00 Niobium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 4.41E-06 Antimony- 124 CURIES O.OOE+00 O.OOE+00 1.57E-05 O.OOE+00 Antimony-125 CURIES O.OOE+00 O.OOE+00 1.83E-03 4.07E-04 Antimony- 126 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Tin-I 17M CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Strontium-89 CURIES O.OOE+00 O.OOE+00 5.11 E-07 1.98E-06 Strontium-90 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Telurium-125M CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Xenon-133 CURIES O.OOE+00 O.OOE+00 9.1OE-05 2.03E-03 Xenon-133M CURIES O.OOE+00 O.OOE+00 O.OOE+00 1.14E-05 Xenon-135 CURIES O.OOE+00 O.OOE+00 O.OOE+00 2.77E-05 Zinc-65 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Zirconium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 2.73E-06 TOTAL FOR PERIOD CURIES 1.63E-01 8.77E-02 2.93E+02 5.20E+02 5-9

- Aý*t,* (TTXIU U*ErT' I ICXTIT D C1' E:A Q C* D 1TDnD T ,)()I)r *1311TI4 TI='KA

PROIV*T 0 V12 Dl2UfD A12AlT~lA C'T~JC121121 TSOUhTH ICXT 011 TEXAS~ PROJE2CT Liquid Effluents STP NUCLEAR OPERATING COMPANY Unit 1 plus 2 Total REPORT CATEC3ORY: ANNUAL LIQUID RELEASES. TOTALS FOR EACH NUCLIDE RELEASED. FOR ALL OF 2006 NUCLIDES UTS UNIT 1 UNIT 2 TOTAL RELEASED 2006 2006 2006 ALL NUCLIDES ___________

Silver-110M CURIES 0.OOE+00 6.61 E-06 6.61 E-06 Beryllium-7 CURIES 1.69E-04 0.00E+00 1.69E-04 Cobalt-57 CURIES 2.79E-05 4.06E-06 3.20E-05 Cobalt-58 CURIES 9.91E-04 9.40E-04 1.93E-03 Cobalt-60 CURIES 7.82E-03 4.35E-03 1.22E-02 Chromium-51 CURIES 2.40E-03 1.94E-04 2.60E-03 Cesium-134 CURIES 2.70E-04 9.29E-05 3.63E-04 Cesium-137 CURIES 6.01E-04 4.01E-04 1.OOE-03 Iron-55 CURIES 3.12E-03 4.58E-03 7.70E-03 Iron-59 CURIES 0.OOE+00 6.28E-06 6.28E-06 Tritium CURIES 1.37E+03 8.68E+02 2.24E+03 Iodine-I131 CURIES 5.01 E-06 0.OOE+00 5.01E-06 Manganese-54 CURIES 4.30E-03 6.59E-04 4.96E-03 Sodium-24 CURIES 2.20E-06 0.OOE+00 2.20E-06 Niobium-95 CURIES 0.OOE+00 3.62E-05 3.62E-05 Antimony-124 CURIES 5.07E-04 1.57E-05 5.23E-04 Antimony-125 CURIES 4.5 lE-03 5.97E-03 1.05E-02 Antimony- 126 CURIES 4.62E-06 0.OOE+00 4.62E-06 Tin-117M CURIES 3.17E-05 0.00E+00 3.17E-05 Strontium-89 CURIES 1.63E-05 6.53E-06 2.29E-05 Strontium-90 CURIES 0.OOE+00 2.12E-06 2.12E-06 Telurium-125M CURIES 1.70E-03 0.OOE+00 1.70E-03 Xenon-133 CURIES 4.22E-03 2.23E-03 6.45E-03 Xenon-133M CURIES 1.52E-04 1.14E-05 1.64E-04 Xenon-135 CURIES 9.05E-04 2.77E-05 9.33E-04 Zinc-65 CURIES 0.OOE+00 3.29E-06 3.29E-06 Zirconium-95 CURIES 0.OOE+00 2.73E-06 2.73E-06 TOTAL FOR PERIOD CURIES 1.37E+03 8.68E+02 2.24E+03 TOTAL Noble Gases CURIES 5.28E-03 2.27E-03 7.55E-03 TOTAL Excluding CURIES 2.65E-02 1.73E-02 4.38E-02 Tritium & Noble Gases 5-10

RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Solid Waste and Irradiated Fuel Shipments Solid Waste and Irradiated Fuel Shipments 6-1

/*I TTM Tt*'Y^

DD/*TE*I*'r RADITOACTIVE FFLUEf1NT RELEASE REPORT 2006 Qn(TrTU1 TV A Q DDnf=II Solid Waste and Irradiated Fuel Shipments A. SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL Not Irradiated Fuel)

1. Type of Waste Units 12-Month 12-Month Est. Total Error, %

Period Shipped Period Buried

a. Spent resins, filter sludges, m3 2.55E+01 4.36E+00 -1.0E+00 +I.OE+00 evaporator bottoms, etc. Ci 3.94E+02 3.90E+02 -5.OE+01 +l.OE+02

b. Dry compressible waste, mn 5.15E+02 1.64E+02 -1.0E+00 +I.0E+00 contaminated equip., etc. Ci 4.63E-01 6.02E-01 -6.6E+01 +2.OE+02

c. Irradiated components, control m3 0.O0E+00 0.00E+00 rods, etc. Ci 0.OOE+00 O.OOE+00

d. Other (low level secondary resin, sludge, oily waste, and m3 7.70E+00 0.OOE+00 -1.OE+00 +I.OE+00 miscellaneous expendable Ci 1.54E-04 0.00E+00 -5.OE+01 +1.OE+02 materials) I II__

2. Estimate of major nuclide composition (by type of waste)

a. Spent resins, filters, evaporator bottoms, etc.

Nickel-63 % 5.47E+01 Cesium-137 % 1.48E+01 Iron-55 % 1.20E+01 Cobalt-60 % 9.17E+00 Cesium- 134 % 5.97E+00 Manganese-54 % 1.82E+00 Tritium % 7.60E-01 Antimony- 125 % 2.70E-0I Cobalt-58 % 2.20E-0 I

b. Dry compressible waste, contaminated equip., etc.

Cobalt-58 % 4.69 E+01 Chromium-51 % 2.49 E+01 Iron-55 % 1.06 E+01 Cobalt-60 % 4.00 E+00 Niobium-95 % 3.93 E+00 Nickel-63 % 2.49 E+00 Antimony-124 % 1.84 E+00 Zirconium-95 % 1.74 E+00 Manganese-54 % 1.44 E+00 Iron-59 % 7.80 E-01 Antimony-125 5.60 E-01 Silver-I10m % 4.80 E-01

c. N/A IN/A N/A 6-2

NN* *OI ITI-I TI*A* PROII*CT RADIOACTIVE

..... FF..TRELE.ASE REPOR.T 2006.. S..TH TEXAS PROj.CT Solid Waste and Irradiated Fuel Shipments

d. Other (secondary resins, sludge, oily waste, and miscellaneous expendable materials)

Iron-55 % 4.23E+01 Cobalt-60 % 1.67E+01 Cesium- 137 % 1.40E+01 Nickel-63 % 1.29E+01 Cerium- 144 % 1.01E+01 Cesium- 134 % 3.68E+00 Manganese-54 % 1.40E-01 Cobalt-58 % 1.20E-01

3. Solid Waste Disposition:

Number of Shipments Mode of Destination Transportation 9 Truck Studsvik Processing Facility, LLC 151 TC Runnion Rd.

Erwin, Tn 37650 9 Truck GTS-Duratek 1560 Bear Creek Road Oak Ridge, TN 37830 0 Truck Chem-Nuclear Systems Barnwell Waste Management Facility 740 Osborn Rd.

Barnwell, SC 29812 Truck GTS-Duratek Gallaher Road Facility 628 Gallaher Rd.

Kingston, TN 37763

4. Class of Solid Waste:

A,B, & C

5. Type of Containers Used for Shipment:

General Design, High-Integrity Containers, and Type A casks

6. Solidifying Agent:

N/A B. IRRADIATED FUEL SHIPMENTS (Disposal)

No shipments made during this period.

6-3

D A n*lfý A0 *'*

-,v/E Il**yD T* *?1r11t3 1Xt~r~L i i I 1ULbZIX3I W[ErLUSN mEr'JURIt /UUo sou H- TEXAS PROJECT

)se Accumulations DOSE ACCUMULATIONS 7-1

NN6 SOl ITH T*XAS* PROIF.CT IV~JRELEASEP RPO~RT RADIO~ACTIVE EFFUEN 2006 S~OU TH TEXAS~ PROIECT Dose Accumulations STP NUCLEAR OPERATING COMPANY

SUMMARY

OF MAXIMUM INDIVIDUAL DOSES Unit: 1 TOTAL ACCUMULATION FOR PERIODS:

for LIQUID, GASEOUS AND AIR Starting: 1-Jan-2006 Ending: 31-Dec-2006 LOCATION % OF LIMIT ESTIMATED DOSE AGE DIST DIR APPLICABLE (mrad EFFLUENT APPLICABLE ORGAN (em) GROUP (m) (TOWARD) LIMIT or mrem)

LIQUID TOTAL 7.90E-03 ADULT RECEPTOR 3(5) 2.63E-01 3.0 BODY LIQUID GI-TRACT 8.01E-03 ADULT j RECEPTOR 3(5) 8.01E-02 10.0 AIR DOSE NOBLE GAS 1.87E-03 1720m NW 1.87E-02 10.0 (gamma-mrad)

NOBLE GAS AIR DOSE 1.95E-03 1720m NW 9.73E-03 20.0 (beta-mrad)

NOBLE GAS TOTAL BODY 1.20E-03 ALL(') 1720mNW 2.41 E-02 5.0 NOBLE GAS TOTAL 1.49E-04 ALL12) 5600m N 2.98E-03 5.0 BODY NOBLE GAS SKIN 2.28E-03 ALL(') 1720m NW 1.52E-02 15.0 2

NOBLE GAS SKIN 2.80E-04 ALL" ' 7200m NW 1.87E-03 15.0 IODINE, PARTICULATES GI-TRACT 5.45E-03 CHILD(" 1720m NW 3.63E-02 15.0

& TRITIUM IODINE, PARTICULATES GI-TRACT 1.23E-03 CHILD(2 ) 4000m WSW 8.22E-03 15.0

& TRITIUM

SUMMARY

OF POPULATION DOSES FOR 2006 ESTIMATED AVERAGE DOSE TO EFFLUENT APPLICABLE ORGAN POPULATION DOSE POPULATION (rem per person)

(person-rem)

LIQUID TOTAL BODY 6.4E-04 1.2E-07(3)

GASEOUS TOTAL BODY 6.5E-03 6.2E-10(')

NOTES:

(')Doses were calculated for HYPOTHETICAL receptors at the site boundary.

(21Highest dose for nearest individual or receptor. This individual is assumed to reside at this location.

(3) Calculation based on a population of 303,500 for shore line exposure and for salt water invertebrate ingestion and 3,800 for salt water sport fish ingestion.

4 Calculation based on a population of 299,000 within fifty (50) miles of South Texas Project Electric Generating Station.

5

( )Receptor 3 is an individual ingesting fresh water sport fish and receiving shoreline exposure from the Little Robbins Slough Area.

0 7-2

RADIC)ACTIVP FFF1 TFFNT RPT PAqP PPPC)PT *NN*

RADo~TIF FFT1 NTRrPA'P I2flT ~ lf~ '.tJ n I.AA32006JU Dose Accumulations STP NUCLEAR OPERATING COMPANY

SUMMARY

OF MAXIMUM INDIVIDUAL DOSES Unit: 2 TOTAL ACCUMULATION FOR PERIODS:

for LIQUID, GASEOUS, AND AIR Starting: 1-Jan-2006 Ending: 31-Dec-2006

SUMMARY

OF POPULATION DOSES FOR 2006 ESTIMATED AVERAGE DOSE TO EFFLUENT APPLICABLE ORGAN POPULATION DOSE POPULATION (rem per person)

(person-rem)

LIQUID TOTAL BODY 4.OE-04 7.6E-08(3)

GASEOUS TOTAL BODY 9.2E-03 9.2E- 10(4)

NOTES:

"bDoses were calculated for HYPOTHETICAL receptors at the site boundary.

(2)Highest dose for nearest individual or receptor. This individual is assumed to reside at this location.

(3)Calculation based on a population of 303,500 for shore line exposure and for salt water invertebrate ingestion and 3,800 for salt water sport fish ingestion.

(4) Calculation based on a population of 299,000 within fifty (50) miles of South Texas Project Electric Generating Station.

(5)Receptor 3 is an individual ingesting fresh water sport fish and receiving shoreline exposure from the Little Robbins Slough Area.

7-3

9NN* *N[ lTH TFYA* PI*NIF*T Q OArCATTx~2tIVEFFLUNT ORELEASE REPORPT 2006 SOUt TH- TEXAS PROEC'T Dose Accumulations STP NUCLEAR OPERATING COMPANY

SUMMARY

OF MAXIMUM INDIVIDUAL DOSES Unit: 1 PLUS 2 TOTAL ACCUMULATION FOR PERIODS:

for LIQUID, GASEOUS, AND AIR Starting: 1-Jan-2006 Ending: 31-Dec-2006

SUMMARY

OF POPULATION DOSES FOR 2006 TOTAL 1+2 TOTAL 1+2 AVERAGE DOSE EFFLUENT APPLICABLE ORGAN ESTIMATED TO POPULATION (rem per POPULATION DOSE person)

(person-rem) person)

LIQUID TOTAL BODY 1.OE-03 2.0E-07(3 )

GASEOUS TOTAL BODY 1.6E-02 8.3E-10(4" NOTES:

(')Doses were calculated for HYPOTHETICAL receptors at the site boundary.

( 2)Highest dose for nearest individual or receptor. This individual is assumed to reside at this location.

(3)Calculation based on a population of 303,500 for shore line exposure and for salt water invertebrate ingestion and 3,800 for salt water sport fish ingestion.

(4) Calculation based on a population of 299,000 within fifty (50) miles of South Texas Project Electric Generating Station.

5

" 'Receptor 3 is an individual ingesting fresh water sport fish and receiving shoreline exposure from the Little Robbins Slough Area.

7-4

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ýnnK SOUTH TEXAS PROJECT

ýýLý I I ýz zrvu Uzi, Results of Direct Radiation Measurements RESULTS OF DIRECT RADIATION MEASUREMENTS PROGRAM 8-1

D A rnT 1ufl' Al'M TI,A l~Iv , 1*r911~t~tMI 2;lOI&

UEUT T TMXTT DCT CA rul A Dn

,Crir n-n ZUuo SOUUTH TEXAS PROKJET Results of Direct Radiation Measurements STP NUCLEAR OPERATING COMPANY Onsite Direct Radiation Measurements REPORT CATEGORY: THERMOLUMINESCENT DOSIMETER MONITORING STATIONS QUARTERLY RESULTS FOR 2006 MONITORING STATION QUARTER QUARTER QUARTER QUARTER AVERAGE AVERAGE NUMBER (Noted 1 2 3 4 RATE NET RATE on Figure 8-1)

UNITS milliroentgen milliroentgen milliroentgen milliroentgen milliroentgen milliroentgen per quarter per hour PROTECTED . -

AREA, ., 5-',...

1 13.3 12.6 13.4 13.9 13.3 0.0 2 12.9 12.7 12.5 13.8 13.0 0.0 3 13.6 12.8 13.3 14.6 13.6 0.0 4 13.0 12.9 12.9 14.3 13.3 0.0 5 14.2 13.5 14.1 14.5 14.1 0.0 6 14.2 13.9 14.4 15.6 14.5 0.0 7 14.4 13.5 15.5 16.3 14.9 0.0 8 13.0 12.8 12.6 14.5 13.2 0.0 9 12.8 12.2 12.4 13.4 12.7 0.0 10 11.9 11.5 12.1 12.2 11.9 0.0 11 11.4 11.5 11.7 13.3 12.0 0.0 12 12.3 13.1 12.2 13.0 12.7 0.0 13 12.9 12.7 12.3 13.1 12.8 0.0 14 12.3 11.6 12.1 12.4 12.1 0.0 15 12.8 12.5 13.6 14.0 13.2 0.0 16 12.6 12.1 12.7 13.0 12.6 0.0 ONSITE STAGING FACILITY (OUTSIDE STORAGE) ___ __ _ ______, __, __

17 11.2 11.1 11.4 35.1 17.2 0.0008 18 12.3 11.1 12.5 175.1 52.8 0.0171 19 11.6 10.9 11.5 224.4 64.6 0.0225 20 14.2 12.2 14.0 21.6 15.5 0.0001 ONSITE STAGING

FACILITY (WAREHOUSE D) ____ __ _ _ __ __ __ _ __ _ _ _

21 12.8 14.0 13.7 15.5 14.0 0.0000 22 15.4 13.4 15.2 19.4 15.9 0.0002 23 12.6 11.5 11.0 18.3 13.4 0.0000 24 15.9 14.6 15.6 46.7 23.2 0.0036 OLD STEAM GENERATOR --

STORAGE FACILITY 25 26 13.8 16.7 T

12.6 15.1 12.5 15.9 12.6 15.3 1 12.9 15.8 0.0000 0.0002 27 15.6 j 13.6 14.1 14.7 14.5 0.0000 28 14.1 j 12.1 12.1 13.8 113.0 0.0000 8-2

RADIOACTIVE EFFLUENT RELEASE REPORT 2006 SOUTH TEXAS PROJECT Results of Direct Radiation Measurements Notes for Onsite DirectRadiationMeasurements MeasurementResults Individual values normalized to a 91 day quarter.

Only the calcium sulfate elements were used in these averages.

Average Net Rate:

Difference between the exposure rate in 2006and the rate measured in 1986 due to natural background (average rate - 15.4 mR background) / 91 days / 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months per day The 1986 background rate of 15.4 mR at the site boundary has been used to reflect the pre-operational exposure rate for STP. Historically the exposure rates measured near the protected area fence have been lower than the historical background at the site boundary. However, monitoring stations 6 and 7 have at times exceeded the background exposure rate at the site boundary due to radioactive waste processing activities on the south side of Units 1 and 2. Waste processing activities during 2006 did not cause these two stations exceed the site area background.

During the last quarter of 2006, radioactive waste was staged in the Onsite Staging Facility. The monitoring stations surrounding the onsite staging facility indicated exposure rates greater than background.

Zero Zero (0 or 0.0000) indicate background levels Milliroentgen Miliroentgen or mR is a unit of exposure for X-rays and gamma rays.

8-3

R AflTOACTTVP PR~T I TNT T~PI FA5~F PPPORT 2flfl SOUTH TEXAS PROJECT RADIOACTIVE EFFLUENT RPLEASE REPORT 2006 Joint Frequency Tables JOINT FREQUENCY TABLES 9-1

Radioactive Release Effluent Report - RDRIFC 2006 South Texas Project Radioactive Release Effluent Report - RDRJFC 2006 First Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 01/01/2006 00:00 To : 03/31/2006 23:00 PRIMARY TOWER 9-2

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project First Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 01/01/2006 00:00 To : 03/31/2006 23:00 PRIMARY TOWER STABILTY CLASS A Wind Speed (1 (2) (3) (4) (5) (6) (7) (8)

(MPH) -> Cl ALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6 +

-32.5 Total % Of Avg.

-3.5 -7.5 - 12.5 - 18.5 -24.5 Total Speed Sector N

.O0 --.....

........... ...- 2 4i

.i ...........

1

. ....0o

.............. 0! 0 7 5.8% 5.5 NNE 01 1 01 0. 6 5.0% 8.2 i .. ......

NE 0 0o 5 2i 0 0 0. 0. 7 5.8% 6.6 0o 1 1 0! oil 0. o ENE 0 0 2 1.7% 4.4 E 0 0. 2 0 0, 0' 0 0 2 1.7% 6.1 ESE O 1 0I 6 0 0 0 8 6.6% 11.9 0 1 0i 1 3 4. 01 9 7. 4% 16.3 SE SSE 0 0 0o 1 9 8' 0 0... 18 14.9% 18.11 S 0. 0 2 19 15i 0ý 01 0 36 29.8% 11.9!

SSW 0. 1 10 oi o0 0 0 12 9.9% 9.5 i SW O O0 0. 0i 0' 0! 0o 0 0.0% 0.0 o o00 0 0 WSW O1

....... ....0o~. ........................

o..... . ........ ........ 0

................ 0 0 0 0 0.0% 0.0 W 0.........

...... ....... 0'.. . ...

0, 04 1 0.8% 10.3; 0

01 01 01 01 01 21 WNW 1 01 0! 0; 3 2.5% 11.7 NW o0 0 0 0O 0 0 0' 0 0 0.0% 0.0 0 1 2. 61 0 0 10 8.3% 8.7 NNW Total O. 8 22 43' 34: 14 0 0. 121

% Of Total 0.0%, 6.6%. 18.2% 35.5% 28 1%* 11.6% 0.0% 0.0%.

Average speed for this table (MPH): 11.5 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 0 Total number of Valid hours : 2160 Total number of hours for period 2160 9-3

2006 Radioactive Release Effluent Report - RDRJFC South Texas Project Radioactive Retease Effluent Report - RDRJFC 2006 First Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 01/01/2006 00:00 To : 03/31/2006 23:00 0

PRIMARY TOWER STABILTY CLASS B Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 Total % Of Avg.

-3.5 -7.5 - 12.5 - 18.5 -24.5 -32.5 Total Speed Sector 9.3!

N 0;r 0.

. . . . . . ..-- 2

.... ... .*1V ...... ...0o

..7T*.... o 0! 0+ 10 13.3%

NNE 0i 2o 2 2i 1o 0 0 0 7 9.3% 7.2 NE 0 0,i 3 2 0 0 0 0 5 6.7% 7.9:

ENE 0 1 0 0; 10 i 01 2 2.7% 7.3 E 0 2 0 2 2! 0o 0!

0] 0 6 8.0% 8.8 ESE 0 31 0 1 3i 0o 0 7 9.3% 8. 9 SE 0 0 3. 0 41 1 01 0 0 8 10.7% 12.5:

SSE 0 0 1 0 21 1 0 4 5.3% 14.6:

0!

S 0 0 2, 8i 1 0. 0 11 14.7% 10.2!

SSW 0 0 4. 1 0 0i 0!

0~ 0 5 6.7% 6.6i 01 SW 0 0 0. 0 1 0, 0' 0 1 1.3% 13.6i WSW 0 0 0 0! 01 0i 0 0 0.0% 0.0 W 0. 01 0+ 1 1.3% 7.1 WNW 0. 0 0 2 0oi 0o 0 2 2.7% 10.0' NW 0 0 0 0 01 0 0 0 0.0% 0.0

..........0o0!

0......

NNW 0i 1 2 3' 0 0 0. 6 8.0% 6.6i Total 0 9 20 28! 16: 2! 0 75

%Of T 0.0% . 12.0% 26.7% 37.3% 21.3% 2.7% 0.0%

Total Average speed for this table (MPH): 9.3 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 0 Total number of Valid hours : 2160 Total number of hours for period 2160 9-4

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project First Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 01/01/2006 00:00 To : 03/31/2006 23:00 PRIMARY TOWER STABILTY CLASS C Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 1 18.6 24.6 32.6+ Total % Of Avg.

-I.7) - IL.

- OO - I.;D - I*.;D -18.5 i -24.5 -32.5 Total Speed Sector i

N 0. 5 121 20 2 0ý 0: 40 22.1% 12.8 0- 2 1 1, 0i NNE 0 0 .

...................... .. .. .. . .. . ... . ... . .! 0' 0 4 2.2% 8.8 NE 0 3 41 3 0: 0 0 11 6.1% 9.9 01 ENE 2 2i 00 0 0 5 2.8% 9.2 On E 0 0 01 3 0 0 4 2.2% 11 3 0:

ESE o 1 5 0 0i 0 6 3.3% 15.4 01 SE 0. 7 11i 01 0 0 18 9.9% 13 3 i........... ...

01 0 SSE 0O 3 .......

81 1 r . ........................

21

.............4-

. 0i;.........

.............o0

................. 14 7.7%. .

11.o0 0

S 2 6i 0 01 0o 0 8 4.4% 8.6 11 o6I 3K oi 0i 0 7 3.9% 7.2 SSW 0:

SW 0: 0 10.i 01 0 0 0 0 1 0.6% 4.3 0 i]

WSW On

0. 00ý 0........... 0 ------------ 0 0i 0 0 0.0% 0.0 J...... ... ...............................

W 0. 53 1 1' 0 0' 0 0 2 1.1% 7.1 0o1 WNW 4 71 0..................... 0

........ 0 12 6.6% 7.61-NW o0 ..

2 21 0 0 01 0:

.........{..........................

4 2.2% 7.3J NNW 0. 41 131 24 3 0, 0 45 24.9% 13.2 Total 33. 67 691 71 0 0 181

% Of Total 0.0%. 2.8% 18.2k% 37.0% 38.1% 3.9%! 0.0%, 0.0%

Average speed for this table (MPH): 11.5 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 0 Total number of Valid hours : 2160 Total number of hours for period 2160 9-5

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Radioactive Release Effluent Report - RDRJFC 2006 First Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 01/01/2006 00:00 To : 03/31/2006 23:00 q PRIMARY TOWER STABILTY CLASS D Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6 + Total % Of Avg.

-35 -75 -125 -185 -24.5 -32.5 Total Speed Sector N O; 14, 20 50 611 4: 0 0. 149 12.8% 10.9 NNE O 11 14. 44 6i 01 0o 0 75 6.4% 8.2 NE 0 8 10 21 10i 0i 0 0. 49 4.2% 8.7 ENE 0 11 14. 22 31 0o 0 0; 50 4.3% 7.3 E 0 15: 10 19 9 2 0 0 55 4.7% 8.5 ESE 0 11 10 32 121 4: 0, 0 69 5.9% 9.8 SE 0 3. 18: 541 31i 5i 0 0. 1il 9.5% 10.8

.... ....t. ....... ........................ . ....... ... . .... . . . . . . ... . .

SSE 0 1 18 57' 501 ..... ...... 3....

...... ..............0 . . .. .........0.

......... ....* 129

. . 11.1% 11.7: . .

S 0 4 37. 85s 36 0: 0 0. 162 13.9% 9.6 SSW 0 0 25ý 38: 19! 0: 0i 0 82 7.0% 10.1 SW 0 0 3 21' 51 0 0 0................. 29 2.5% 10.2 WSW 0 2 13 11 3r 0 0ý 0 29 2.5% 7.9 I~~ ....... .......

1 0 9. 51 3 0! 0. 0 18 1.5% 7.6' WNW 0 4 17 31 0 0: 01 0: 24 2.1% 5.5 NW 0 5 91 81 51 7: 01 0i 34 2.9% 11.1 NNW 1 6 25 341 281 4; 1 0i 99 8.5% 10.6 Total 2 95 252: 504 2811 291 1ý 0 1164

% Of Total 0.2%. 8.2% 21.6% 43.3%: 24.1%1 2.5%O: 0. 1%0i 0.0%,

Average speed for this table (MPH): 9.9 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 0 Total number of Valid hours : 2160 Total number of hours for period 2160 9-6

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project First Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 01/01/2006 00:00 To : 03/31/2006 23:00 PRIMARY TOWER STABILTY CLASS E Wind Speed (1 (2) (3) (4) (5) (6) (7) (8)

(MPH) -> C/ &LM 1.0 3.6 7.6 12.6 18.6 24.6 32.6 + Total % Of Avg.

-3.5 -7.5 -12.5 -18.5 -24.5 -32.5 Total Speed Sector N 0 5: 11 8 0 o0 0o 0. 24 4.8% 6.1 NNE 0 6. 13 171 0 00 0 0 36 7.2% 6.8 NE 0 71 17 81 1 01 0 01 33 6.6% 6.11 ENE 0 7. 28: 111 1 0i 0 47 9.4% 6.3 E 0 4 11i 16; 1 0 0 0; 32 6.4% 7.6 ESE 0 2 33, 101 31, 01 0 0; 48 9.6% 7.0 SE 0 4; 45, 191 6i 0; 0. 74 14.8% 7.4 S SE 04 1 39 60 4.. . . .. ......... . ... .......

1 0 0 105 21.0% 8.6 S 0 0 31 141 01 01 0 0 45 9.0% 7.2 SSW 0 0. 5 ol 0o 0 0 5 1.0% 5.8 SW 0 0. 0 0U 1 01 0 0. 1 0.2% 13.9 WSW 0 0. 1 2,1 0 0 0 0 3 0.6% 7.8 W 0 1 5 01 0 0 0 0. 6 1.2% 4.8 WNW 0 1 61 1 0 0o 0 0i 8 1.6% 5.4 NW

..0o . ....... 3..........

........ .... 11 71 0

........0o -------

.1 01 o..

0 21 4.2% 6.2~

NNW 0 t 111 0 0 0 0. 13 2.6% 5.5 0 42 267 1741 17 1 0 Total 01 501

%Of 0.0% 8.4% 53.3% 34.7%i 3.4% 0.2% 0.0% 0 .0%

Total Average speed for this table (MPH): 7.1 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 0 Total number of Valid hours : 2160 Total number of hours for period 2160 9-7

2006 Radioactive Release Effluent Report - RDRJFC South Texas Project Radioactive Release Effluent Report - RDRJFC 2006 First Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 01/01/2006 00:00 To : 03/31/2006 23:00 q PRIMARY TOWER STABILTY CLASS F Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH)-> CALM 1.0 3.6 7.6 1 12.6 18.6 24.6 O.31.

7 CZ 11) r

+ Total % Of Avg.

32.5 ol

/-"1' Sector Total Speed N o 0. 0 0!1 0 0 0.0% 0.0 4 0 -o NNE 2 2 01 0: 8 9.6% 5.7 0

o 4 01 NE 0 0o 0i 01 4 4.8% 5.0 1 6 ENE 01 0; 7 8.4% 5.9 0i 3i 11 0!

E 21 0I 01 ..............

I ......

0oi 0 16 19.3% 5.4 0

01 0; ESE 0. 2 10 0 0! 01: 0i 12 14.5% 5.5!

0; o0 SE 1 4 0o 0: 5 6.0% 4.4 O1 SSE 0 ........ .10;.....

0ý .......... 0 0i 0 0 12 14.5% 6.7 0 01 8 S 01 0i 0 0o 8 9.6% 6.5 0 01 0 .O.......... .........

0 SSW 0 01 0 0 o1 0 00 0 0 0.0% 0.0:

SW 0 0 o1 0I 01 oI 0

0

... 0

............ . .*....... 0.0% -6

%V 0.0. ..

WSW 0. 0. 0 0 01 o0 0 0 0.0% 0.0i W

o o.... 0 1 &

0

.. 0.... ....... .. .

o! 0. 0 oi 00 0 1 1.2% 5.3 WNW 1 1 00 . . .

..... o1 0 2 2.4% 4.2 NW 4i o0 0 0 8 9.6% 6.9

0. 4 NNWTt 0. o 63 01 0: 0 0.0% 0.0 0 10 63 Total !* 0 83

% Of Total 0.0% 12.0% 75.9% 12.0% 0.A 0% 0.0% 1 0.0%

Average speed for this table (MPH): 5.8 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 0 Total number of Valid hours : 2160 Total number of hours for period 2160 9-8

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project First Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 01/01/2006 00:00 To : 03/31/2006 23:00 PRIMARY TOWER STABILTY CLASS G Wind Speed 1) (2) (3) (4) ...

i...........

(5) .......

e (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6 +

Total % Of Avg.

-3.5 -7.5 - 12.5 -18.5 -24.5 - 32.5 Sector

.......i..... Total Speed N 0 0 0 0 & 0i 0. 0 0.0% 0.0 0 .

o1

..... ...i. .. . 1 2.9% 4.8 NNE ..............

0. 0 0 0 2 0 01 NE 0 3. 01 5 14.3% 4.0 0

2 0.

ENE 0 3: 01 0 5 14.3% 4.4 0

2 0 E 0 21 01 0 0 4 11.4% 3.5

3. 0 ESE 0 4. 0i 0 0 7 20.0% 3.7 2 0 SE 0 4. 0o 0 0 6 17.1% 4.4 0!

SSE 0o 01 0 0 1 2.9% 5.3 0i S 0 01 01 01 0 0.0% 0.0 0 0. 01 SSW 01 0 0 0 0.0% 0.0 o0 0 01 0o 01 SW 0.......

... . 0 0 0 0.0% 0.0 0 0.

WSW o1

0. 0. 0o 0. 0 00% 0.0 0o O 0 0.0% 0.0 W 0 0 I ..... .

01 01 0 01 WNW 0 0 I 0 0 2 5.7% 3.9

0. .. .. ..1 NW 0. 4 0 0 4 11.4% 5.4

0. 01 01 NNW 0 0 0 0, 0 0 0.0% 0.0 Total 12. 23 0i 01 35

%of 0.0% 0.0%! 0.0% ,

Total 0.0% 34.3% 65.7% 0.0% 0.0%

Average speed for this table (MPH): 4.2 Hours in above table with variable direction : 0 Total number of CALMs : 2 Total number of Invalid hours 0 Total number of Valid hours : 2160 Total number of hours for period 2160 9-9

Radioactive Release Effluent Report - RDRJFCA 2006 South Texas Projct Radioactive Release Effluent Report - RDRJFCA 2006 South Texas Prolect First Quarter 2006 Joint Frequency Tables Joint Frequency Table From 01/01/2006 00:00 To : 03/31/2006 23:00 PRIMARY TOWER ALL STABILITY CLASSES COMBINED Wind Speed (1) i (2) (3) (4) I--...

(5) .................

.......1. -I I6I ...............

(6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 I') r +

i-32.5 i Total % Of Avg.

S-3.5 -7.5 -12.5 -18.5 -24.5 S3. Total Speed Sector N 0 22 42. 78 821 6 01 0 230 10.6% 10.5 NNE O 22 40 66; 8 0; 0 137 6.3% 7.6 NE 0 18 45, 37 14 0 0; 0i 114 5.3% 7.6 ENE 0 23. 54 35r 6; 0 0 0 118 5.5% 6.7 E 0i 27 36 39; 15 2 0; 01 119 5.5% 7.7 0 22 58 44 29; ESE 4 0; 0 157 7.3% 8.6 SE 0 11 74 81 551 10 0 0: 231 10.7% 9. 9 SSE .....01

....2...... .. .i . ......

7 ....

18. . .. * . . . 66 . .* 15 01 0 283 13.1% 10.7 S 0 4. 82 132; 52j 0 0O 0. 270 12.5% 9.4 1 39 52 19, SSW SW 01 0 0 4 21 7.

0 0

o1 0

0.

01 111 32 5.1%

1.5%

9.5 10.2 0 WSW 0 2. 14, 13 3 0 0 0 32 1.5% 7. 9 W 1 1 17, 7 3 0 0 01 29 1.3% 7.0 0 3 - - - -* - -

WNW 0 8 29, 15 1 0 0. 53 2.5% 6.4 NW 0 8 30 21 5 7 01 71 3.3% 8.6 01 NNW 1 10. 44 57 52 8 0 173 8.0% 10.7 i........................

............2..

1........ ................................................................

Total 2 181 680 826 417 53 1 0. 2160

% Of Total 0.1 % 8.4%; 31.5% 38.2%: 19.3% 2.5%: 0.0% 0.0%

Average speed for this table (MPH): 9.1 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 0 Total number of Valid hours : 2160 Total number of hours for period 2160 0

9-10

Radioactive Release Effluent Rep ort - RDRJFC 2006 South Texas Project Joint Frequency Tables Second Quarter 2006 Joint Frequency Table From : 04/01/2006 00:00 To : 06/30/2006 23:00 PRIMARY TOWER 9-11

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Proect Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Second Quarter 2006 Joint Frequency Table From : 04/01/2006 00:00 To : 06/30/2006 23:00 q PRIMARY TOWER STABILTY CLASS A Wind Speed 1) (2) (3). (4) i(5) (6) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6 +

Total % Of Avg.

-3.5 -7.5 -12.5 -18.5 -24.5 - 32.5 Total Sector Speed N 0 0 5 01 01 7 2.8% 10.7'

................ i 0 0 NNE

.. 0 ................................

..0 ......... ..

.. 0 0. 0I b1-. 0.4%

......... . ...... 1.2 .

NE 0. 0. 0o 0,0 0 0 0 0.0% 0.0 ENE 0 0. 01 O1 0 0 0. 1 0.4% 6.2 E 0. 0 1 0 20 0 0 3 1.2% 10.9 ESE 0 0 6 3 12 0 0 0 21 8.5% 11.8 SE 0 0 8 17 25! 2! 01 0 52 21.1% 12.1 SSE 0 0 0 11 251 3 0f 0 39 15.9% 13.8 S 0 0 51 44 371 1 01 0 87 35.4% 12.0i SSW 1 4 14 0' 0 0 0 19 7.7% 8.2' 0

SW 0 3. 0 0! 0 01 0 3 1.2% 5.2 WSW 0 1 1 0 0 0 0 2 0.8% .4. 9 0 . . .......... 0 4 .

... ...i.... . ......

0i

. .. ................ 1.. .....

0 0.......

W 0 0. o0 06 1 0.4% 8.31 WNW 0. 0 2! 0i 0i 0 0 3 1.2% 6.4 0

NW 0 0 0 0 0 0 1 0.4% 9.3

. 0* 01 NNW 0. 0i 6 0i: 0 0 6 2.4% 16.3 Total 0 4. 30 98 1 08 ' 6! o 0 246

% Of Total 0.0% 1.6% 12.2% 39.8%1 43.9% 2.4%: 0.0% 0.0%

Average speed for this table (MPH): 11.7 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 2 Total number of Valid hours : 2182 Total number of hours for period 2184 9-12

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Second Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 04/01/2006 00:00 To : 06/30/2006 23:00 PRIMARY TOWER STABILTY CLASS B Wind Speed (1) (2) (3) (4) (5) (6) *(7) (8)

(MPH)-> CALM 1.0 3.6 7'.6 12.6 18.6 i24.6 32.6 + Total % Of Avg.

-3.5 -7.5 - 12.5 -18.5 -24.5 -32.5 Total Speed Sector 11 1 N 0. 0 1 0 0 0 3 1.9% 12.4 NNE 0 0 0 3- 0 0. 0; 0 3 1.9% 10.9 NE 0: 0 01 o0 0 0 01 0 0 0.0% 0.0 ENE 0. 0 0. 1 0 0 0 0 1 0.6% 10.6 E 0: 0 4. 1 0 01 0 0 5 3.1% 6.3.

ESE 0 0 4. 8 6 0 0 0. 18 11.2% 10.7 SE 0 0 21 191 19 2 0 0 42 26.1% 12.2 SSE 0 0 0. 15 10 1 0 0 26 16.1% 7% 12.0 10.

T...

i.... . Li ...........

..................... 3 52..

S 0. 4 27 -3 1 0 0. 35 21.7% 10.4 01 SSW 0. 31 0 0o 0 0 14 8.7% 6.9

...........0.

. . .. ......................... 11 SW 0. 11 0 0 0 0 2 1.2% 7.3 WSW 0. 0.

0 3. 0 0 01 0; 0 3 1.9% 5.7 w 0 0 0 0 0 0i 0 1 0.6% 6.9 WNW 0 2 1 0 0 0 0 3 1.9% 7.1 NW 0 1. 1 0 0i 0 0. 2 1.2% 7.2 1 1 NNW 01 0. 1 0 0o 0' 0. 3 1.9% 6.2 Total 0 35 82 39 4 0 0 161

% Of 2.5%1 0.0% 0.0%

Total 0.0% 0.6% 21.7% 50.9% 24.2%

Average speed for this table (MPH): 10.5 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 2 Total number of Valid hours : 2182 Total number of hours for period 2184 9-13

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Radioactive Reiease Effluent Report - RDRJFC 2006 South Texas Prolect Joint Frequency Tables Second Quarter 2006 Joint Frequency Table From : 04/01/2006 00:00 To : 06/30/2006 23:00 q PRIMARY TOWER STABILTY CLASS C Wind Speed (1) (2) (3) (4) (5) (6) (7) ' (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6

- 32.5 32.6+ Total % Of Avg.

- 3.3 - t.3 - 12.3 - 18. 5 -24.5 Sector Total Speed N 0 0 3 4ý 1 0o; 0. 8 5.0% 8.5 0

o0 NNE 0 0 1 0.... 0..0 0 2 1.2% 9.4 NE 0. 0 11 0 1 o; 0 3 1.9% 12.9 ENE 0 0 2 0; 0..... 0 0 0 2 1.2% 5.8 E 0 0, 1. 3 01 0. 4 2.5% 9.1 0 01 2 111 ESE 0! 18 11.2% 10.5

. ........... 0 0 0. 1 4 SE

-............ ........... ¸ 23 01 2.

0 0

01 31 19.3% 11.1 SSE 1 21 75 0 0 0. 31 19.3% 11.3 0 0* 0 S 6 . 15 0 25 15.5% 9.9 1:

SSW 61 0. 7 4.3% 5.8 0 0 0 61 SW 0 01 0 0 0 6 3.7% 5.0 WSW 0* 1 ... ..........

0 0 0 0 0. 2 1.2% 5.3 0 0.

W 0. 0 27 4 0* 0o 0 0.0% 0.0 0 10 oI o 0 WNW 5. 0 o1 .

. .............. .............. 0 7 4.3% 5.6 01 0 ......... ... ....... .. . . . ..

......... o0 NW 8i 21 ... ...............

...0 10 6.2% 6.2' 0.......

0 0 NNW 0, 41 0 0 0 5 3.1% 14.4 0 2 Total 44 84 27! 4 0. 0. 161

%Of Total 0.0% 1.2% 27.3% 52.2% 16.8% 2.5%; 0.0%: 0.0%

Average speed for this table (MPH): 9.7 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 2 Total number of Valid hours : 2182 Total number of hours for period 2184 9-14

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Second Quarter 2006 Joint Frequency Table From : 04/01/2006 00:00 To : 06/30/2006 23:00 PRIMARY TOWER STABILTY CLASS D Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ Total %Of Avg.

-3.5 -7.5 -12.5 - 18.5 -24.5 - 32.5 Total Speed Sector N 0: 4 12 101 10' 1 0, 0 37 5.8% 9.7' NNE 0ý 5 12 12 3 4 0 0. 36 5.7% 9.4 NE 0o 4 8 5 00 1 0- 0 18 2.8% 6.8 ENE 0. 3 13 3! 1 01 0 01 20 3.1% 5.6 E 1 2 22 61 2 01 0 0 33 5.2% 6.4 ESE 0 2 10 211 7 1 0 0! 41 6.5% 9.5 SE 0; 0. 22 641 34 4 0' 0: 124 19.5% 11.2 SSE 0. 1o 19 801 27 1 0 0 128 20.2% 10.3, 01 2 24 561 7 01 0 0 89 14.0% 8.8 S

SSW 0. 2 13 13 1 0 0 0 29 4.6% 7.0 SW;*

... .......... 0

....................... 2 15 4 0 0, 0 0 21 3.3% 5.6 WSW 0

... 0. 4 3 0o oI 01 0: 7 1.1% 6.6' W 0 4 6 21 0. 01 01 0. 12 1.9% 4.91 5 01 01 9

......1.4%

WNW 01 3 11 0 5.0:

. ...6- ...... * .-.,-..

NW 7 3' 0 0. 0 0 14 2.2% 5.4 01 3 NNW 10 2 2 01 0o T 17 2.7% 6.6 Total 1 41 202 285 94 121 0 0 635

% Of 1.9%1i 0.0%1 Total 0.2% 6.5%. 31.8% 44.9% 14.8%' 0.0%

Average speed for this table (MPH): 9.0 Hours in above table with variable direction : 0 Total number of CALMs : 2 Total number of Invalid hours 2 Total number of Valid hours : 2182 Total number of hours for period 2184 9-15

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Second Quarter 2006 Joint Frequency Table From : 04/01/2006 00:00 To : 06/30/2006 23:00 q PRIMARY TOWER STABILTY CLASS E Wind Speed (1) (2) (3) (4, i....

(5)

.* ....... ' -~ (6) 7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 124.6 132.6+ Total % Of Avg.

-3.5 -7.5 -1:2.5 -18.5 -24.5 32.5 Sector Total Speed N 0 1 7ý 7 71 2: 0I 01 . .24 - 3.7% 0 10.7 6 NNE 0 20! 11 0........ 0. 33 5.0% 7.6 NE 0 15, 9i 01 0 0o 0 29 4.4% 6.2 ENE 0 4 12, 01 01 0i 20 3.1% 6.0::

E 0 3' 24: 0, 0o 0o 29 4.4% 5.6 15i 2 ESE 0 3 23, 0: 0I 0 43 6.6% 7.2 SE 0 2 58: 52:;

131

.. .. . r .........

............. ... . ... .. 01

........ 0 0o 125 19.1% 8.3 SSE 0 1 80, 98 171 0[ 198 2', 30.2% 8.7' S 0 40; 26, 1 0: 68 10.4% 7.4 01 01 SSW 0 25 5 01 0: 32 4.9% 5.6 1

01 oi 01 SW 0 8 21 0 0. 10 1.5% 6.2 0 01 WSW 0 1: 0 i 0i 2 0.3% 5.4 W 0 3 0o 01 .... .......

..01 01 0. 4 0.6% 4.2, 2 o0 WNW 0 4 1! 0: . ..

0 ......

0 7 1.1% 6.3 NW 0 3. 10 01 0i 0. 13 2.0% 4.8

0. 0' NNW 0 12 41 2 0 18 2.7% 7.0 30 ......................

2........................... 4. 6.......................... .0 .%... 0 .........

342. 2321 461 Total 0 5 0 655

% Of 0.8, Total 0.0% 4.6% 52.2% 35.4%! 7.0%j 0.00ý0 Average speed for this table (MPH): 7.7 Hours in above table with variable direction 0 Total number of CALMs 2 Total number of Invalid hours 2 Total number of Valid hours : 2182 Total number of hours for period 2184 9-16

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Second Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 04/01/2006 00:00 To : 06/30/2006 23:00 PRIMARY TOWER STABILTY CLASS F Wind Speed (1I) (2) (3) (4) (5)

...........(6)11... (7). . .

(8) .U....

(MPH) -> C,ALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ Total % Of Avg.

-3.5 -7.{5 -12.5 -18.5 -24.5 I - 32.5 Total Speed Sector N 0i 6 4 1 0 0 0 0 11 5.9% 4.11 NNE 0 5 5 2 0 0i 0: 0 12 6.4% 4.6 NE 0 6 6 0: o0 0, 0 0. 12 6.4% 3.7 01 I 9 4 01 01 0 0. 13 6.9% 3.2 ENE O0 E 0 7. 5 1 0i oi 0 0 13 6.9% 4.3 01 01 ESE 0 12 13 1 0 ol 0! 0 0 26 13.8% 3.9 0 0 46 24.5% 4.9 SE 0 .............

............... ........................... ..31 121 ......................... ..................... 3i ... . ................ ....................

SSE 0. 4i 15 0: 0 0 19 10.1% 4.8 S 0 2. 21 0 0: 0 4 2.1% 3.8 0 o01 SSW 0 0 0 0 0i 0 1 0.5% 12.9.

SW 0 1 1 01 0 0 2 1.1% 3.3 0:

WSW 0 2 0 0 01 01 ol 0 0 2 1.1% 3.0 0 0 W 0 4 1 0 0, 0 5 2.7% 2.9 WNW 0.o ........... .... 37. ..... i i..............................

............01 ......

06.......... ........ 0- 0. 7 3.7% 3.0 NW 0. 3. 2 0i 0 0 5 2.7% 3.3 0 -- 7 3----0--- 1 0 0 0 10 5.3% 3.4 NNW 0 .

......... . 0i .

Total 0 87 92, 81 0o 0 188

% Of 5%'T 0.0%1 0.

Total 0.0% 46.3%, 48.9%. 4.3% 0. .0% 0.0%

Average speed for this table (MPH): 4.2 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 2 Total number of Valid hours : 2182 Total number of hours for period 2184 9-17

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Proect Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Second Quarter 2006 Joint Frequency Table From : 04/01/2006 00:00 To : 06/30/2006 23:00 q PRIMARY TOWER STABILTY CLASS G Wind Speed (1) (2) (3) (4) (5)

.1--.-.-,i-1_........ ....i......... . .. . )

(MPH) -> CALM 1.0 3.6 7.6 12.6 1 8.6 j24.6 32.6+ Total % Of Avg.

-18.5 24.5 - 32.5

-3.5 -7.5 -12.5 Sector Total Speed N 0 3: 5. 0 0 01 0 0 8 5.9% 4.2 1 01 0O 23 NNE 12: ....

10: 0. 0, ........... .. . .

.! 4 116.9%

. % 33.5 1 NE 0 18 6. 0 01 0 24 17.6%

3.1 0 0 0' o0 ENE 13 0 01 0 14 10.3% 2.9

-............... 0 oi E 0.

0. 12. 01 0 0 13 9.6% 2.4 0

ESE 9 5. 0 0 0o 0 0 14 10.3% 3.9 01 SE 01 5 10. 0 0 0 15 11.0% 4.0 0

SSE 0o 0 0. 0, 0 0 0 0 0.0% 0.0 0 0 0 0 S 0 1 01 0-

0. 1 0.7% 5.5 0 o0 SSW 0i 0 01 0i 01 0 1 01 0 0.0% 0.0 SW 0.

0: 0 0 oi 0' 04 0 0 0.0% 0.0 0

WSW o,

0 0 0

0 0 0. 0 0.0% 0.0 0 0i W 2 3 ....

0' 01 0 5 3.7% 3.7 i...................... ..

T..

........... 0 0 WNW 4 01 0 5 3.7% 3.0 0 0 0* 2 0 1...

NW 6 0! 0 8 5.9% 3.1 o0 5 1 0 o0 NNW 0 0 6 4.4% 2.4 Total 1 89. 46 0 0 0 0 0 136

% Of 0.0% 0.0 %i Total 0.79 /6 65.4% 33.8%o 0.0% 0.0% 0.0%

Average speed for this table (MPH): 3.3 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 2 Total number of Valid hours : 2182 Total number of hours for period 2184 0

9-18

Radioactive Release Effluent Report - RDRJFCA 2006 South Texas Project Joint Frequency Tables Second Quarter 2006 Joint Frequency Table From : 04/01/2006 00:00 To : 06/30/2006 23:00 PRIMARY TOWER ALL STABILITY CLASSES COMBINED Wind Speed i (1) (2) (3) (4) (5) (6 (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 2' . 32.6+ Total % Of Avg.

-3.5 -7.5 12.5 -18.5 -2 '4.5 32.5 Total Speed Sector N 0 141 33 281 8.........

.2.............. 2o.................

201 31 0 0O 98 4.5% 8.9

24. 27 51 5 0 0 110 5.0% 7.0 NNE 1 n-*............

NE........................ 33!........ ............48 2

NE 0 33. 36ý 15; 0[ 0 0 86 3.9% 5.4 ENE 0o 29 33 8; 1 0 0 0 71 3.3% 4.8 E 1 24 58 121 5! 01 0! 0 100 4.6% 5.66 ESE 0. 26. 63 59 32, 01 0 181 8.3% 8.2 0 19 132 178 971: 91 0 0 435 19.9% 9.6 SE SSE 01 6 115 225' 86[ 9 0 01 441 20.2% 9.8 S 0 5 82 168; 521 2 O 0 309 14.2% 9.6 0 5 5 59 SSW 36 2 01 0 0 102 4.7% 6.8 SW 0 3 34 7 0 0 0! 0 44 2.0% 5.6 WSW 0. 55 10 3 01 0° 0 0 18 0.8% 5.6 W 0 11 14 3 0

... ......... 0: 0 28 1.3% 4.4 WNW 0 18 17 5 li 001 0ý 0 41 1.9% 5.0 0 16 30 7V 0: 0 0 53 2.4% 5.0 NW .. ............

NNW 0. 16 27 8 14 0 0. 65 3.0% 7.3 Total

. 2......4.. .............................

791 789' i ..............

79-.............

...... 31......ll 315.

.. l--........

31 S 0:2182

... .......0.. 2.18.

2..... . ..... .................

%Of 0 1.4%1 0.0 %

%! 11.6 36.3% 36.2% 14.4%!1 0.0%

Total Average speed for this table (MPH): 8.3 Hours in above table with variable direction 0 Total number of CALMs : 2 Total number of Invalid hours 2 Total number of Valid hours : 2182 Total number of hours for period 2184 9-19

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Third Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER 9-20

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables

.ThirdQuarter 2006 Joint Frequency Table From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER STABILTY CLASS A r.. .. . . .

Wind Speed (1) (2) (3) I (4) (5) (6) (7) (8)

(MPH)-> CALM 1.0 3.6 7 .6 12.6 18.6 24.6 32.6+ Total % Of Avg.

-3.5 -7(. 12.5 -18.5 -24.5 - 32.5 Total Speed Sector N 0 21 31 0 0i 0 0. 5 6.1% 7.0 0

NNE . ...... ...................

0 3 5i 01 0i 0; 0 8 9.8% 8.1 0

NE 3! 01 0 01 i 0 4 4.9% 5.8 0 1 0 0 ENE 0 0 0 01 .. . . . 0 . ...... . . .

....... 0' ........

.o -1 .-

... . 7. . . . --.. 3.5

.1.2%

-.... -7......

E 2. 0ý 0 2 2.4% 3.8 0Oi 0 oI 0

ESE 2. ......................

........ 0 0 4 4.9% 9.2 0

0. 01 0i 0

SE 0 0. 2 2.4% 12.7 0 0 1 01 0E 0o 0; 0. 1 1.2% 5.5 S SE 0i 0 0! 1 S 34i 2 0i 0 37 45.1% 10.2 0 0, SSW 2: 9 0! 0i 0 11 13.4% 8.2 0 0, 0 oi 5.4 SW i--*.w- ....F.............

...... 0 21 0 01 ..0'-]..

.. .....- 0

.. . ..... 2................-

.... ---2.4%

WSW 0 0. 0. 0. 0! 0i o 0 0.0% 0.0 0 0 W 0: 0 0' 0; 0 0 0.0% 0.0 0 0 WNW 0. 01 0 o 0 0 0.0% 0.0o

.... 0 0 0.

1! 0o 0 2 2.4% 5.0 NW 0 0~

NNW 0 3 o 0 01 0 3 3.7% 4.9:

01i Total 2 22 53 5 0 0 82

% Of 0.0%

Total 2.4% 26.8% 64.6% 6.1%: 0.0 1%! 0.0%0/ 0.0%

Average speed for this table (MPH): 8.6 Hours in above table with variable direction 0 Total number of CALMs : 1 Total number of Invalid hours 0 Total number of Valid hours : 2208 Total number of hours for period 2208 9-21

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Proect Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Third Quarter 2006 Joint Frequency Table From : 07/01/2006 00:00 To : 09/30/2006 23:00 1 PRIMARY TOWER STABILTY CLASS B Wind Speed (1) (2) () . . . ..* . ......

.. . .(3)

i. . . ..................

....(4)

. (5)....... .... ..(6)(8 ......i.........

. (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 32.6 +

24.6 Total % Of

- 3.5 -7.5 -12.5 -18.5 -24.5 Avg.

- 32.5 Sector Total Speed N 0 0 3 21 0 ...

............... 01 0 5 3.8% 6.3:

i NNE0 ............................ ....... 0

0. 31 3; 0 01 0 6 4.5% 8.1

..............i ... .... - ......: .. . .... .. . .

0. 01 NE 0 0 0. 1i 0 0 1 0.8% 8.4 01 ENE 0 0 0 21 0 0 0 2 1.5% 9.1 0 01 E 0 0. 4 0 01 01 0 4 3.0% 9.8 0

ESE 01 0 4 0 0i 0 5 3.8% 11.0 SE 0 2 13 31 0o 0 0 18 13.6% 10.0' 0 .... . .

SSE 0. 7, 211 01 .0 0 7.6%

0 oi 01

.... . 10.4, o0 91 S 0. 15 32 0 0 0 56 42.4% 9.8 SSW 0. 0 8 8 01 0 0 17 12.9% 7.9 SW 0ý 1 2 1 01 0 0... .. ..... ....... ....4 3.0% . . . 5.3

.... 0 .................

WSW 0: 0 0 01 0 0 0 0.0% 0.0 W 0 0 0.0 1 0.8% 5.2i 0 0 WNW 0- 0 0. oi 0 0 0 0.0% 0.0 1 ...... ....

NW 0 0 0 01 .. . .. . . .

. ..... ............. 0 0 1 0.8% 7.6 NNW 0 0. 2 0 01 0 01 0 2 1.5% 4.1 Total 0 1 37 78 161 0 0 0 132

% Of Total 0.0% 0.8% 28.0%. 59.1% 12.1% i 0.0% 0.0% 0.0%i Average speed for this table (MPH): 9.2 Hours in above table with variable direction 0 Total number of CALMs : 1 Total number of Invalid hours 0 Total number of Valid hours : 2208 Total number of hours for period 2208 9-22

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Third Quarter 2006 Joint Frequency Table 0 From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER STABILTY CLASS C Wind Speed (1 ) (2) (3) (4) (5) (6) (7) (8)

(MPH)-> C/ \LM 1.0 3.6 7.6 12.6 18.6 K24.6 32.6 +

Total % Of Avg.

- 3.5 -7(. 12.5 - 18.5 -24.5 -32.5 Total Speed Sector

5. 1 0 01 0 8 4.9% 5.4 N

- .- .-- ...............0 21 NNE 0; 4 31 0: 0 0 8 4.9% 6.8 N-E.-.----.- Qi

0. 1 4 0i 0! 0 6 3.7% 5.8 NE

0. 1. 0i 0: 0 2 1.2% 4.2 ENE 1 0* 0: 0 0. 1 0.6% 5.0 E

0, ESE 2 3 1 o0i 0 6 3.7% 8.3

.i 0ý ... ................................................

SE 3 20. 2! 01 0 0 25 15.4% 9.9 0ý 0ý . ........... 23i 4 0! 0 28 17.3% 10.3 SSE 0

-.. .-..... 0oi 21 6 0 0. 42 25.9% 9.4 0 3.

SSW SW 7 7 0 0 14 8. 6% 7.2 0, 01 0*

0 5 0 0 0 5 3.1% 5.0 WSW 0 0 oi 0 0 0.0% 0.0 0

0.%i W 0 2. 0o 0 0 5 3.1% 3.6

- i------

0 0.

0 4. 0 5 3.1% 4.6 WNW

. ..... . . . i ............. 0 0 5...

...... - 2* .- -

0 2* 2. 0.0 0. 4 2.5% 4.3,1 NW 1

NNW 00. 2. 0 3 1.9% 4.2 Total 12: 58 79 13 0 162

% Of 0.0%

0.0% 7.4% 35.8% 48.8% 8.0% 0.0%

Total Average speed for this table (MPH): 8.2 Hours in above table with variable direction 0 Total number of CALMs : 1 Total number of Invalid hours 0 Total number of Valid hours : 2208 Total number of hours for period 2208 9-23

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Proect Raiociv.elas.ffuntReot...R..206Sut.Txs rject-Joint Frequency Tables Third Quarter 2006 Joint Frequency Table From 07/01/2006 00:00 To : 09/30/2006 23:00 0

PRIMARY TOWER STABILTY CLASS D Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6 + Total % Of Avg.

-3.5 -7.5 -12.5 - 18.5 -24.5 - 32.5 Sector Total Speed N 0 10 11 7' 0 0 of 0 28 5.3% 5.8 0

NNE 0 4i 12 8 01 0ý 0i 0o 24 4.5% 6.2 NE 0 6. 20. 4 0 0 01 30 5.7% 5.0 0

ENE 0 6 .... . .. ......

.............. 17 ..............

..... 1.......

........ . 0..*.......

.......0 0 0.

24 . . .. ..4.5% . . . 4.9. . .

E 0 6 12 8 0 0 0 0. 26 4.9% 6.5 ESE 0 21.........................................

16 10 ....... .

01 0.

0I 0o 28 5.3% 6.9 SE 0 1 26 461 1 0 0 0. 74 14.0% 8.2i SSE 0 4 33 59' 9 0 0 0 105 19.9% 8.5 S 0 4 29 48; 14 0 0 95 18.0% 8.9 SSW 21 20 6; 2 0. 0 0 30 5.7% 7.0 0 01 SW 0. 10 0 0 0 o 0 10 1.9% 5.7 i

0. .... . .......

WSW 0 4 2 0 0 o0 o0 0 6 1.1% 6.1 0

W 5 8 0 0 01 oI

.... ...1..

0 13 2.5% 4.2f o0 0 0

ot WNW 3. 6 0 01 0 9 1.7% 4.3 0

NW 0 2 41 0 0 o0 0 6 1.1% 3 6 0

NNW 11 0 0

8. 0 20 3.8% 3.91

.T...........

................ . . .]

Total 0* 66. 236 200; 26 0 0 0 528

%Of Total 0.0% 12.5% 44.7% 37.9% 4.9% 0.0% 0.0% 0.0%

Average speed for this table (MPH): 7.2 Hours in above table with variable direction 0 Total number of CALMs : 1 Total number of Invalid hours 0 Total number of Valid hours : 2208 Total number of hours for period 2208 9-24

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Third Quarter 2006 Joint Frequency Table From 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER STABILTY cLAss E Wind Speed (1) (2) (3) (4) (5) (6) 1(7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 Total % Of Avg.

-3.5 -7.5 -12. 5 i -18o.5 -24 .5 1 - 32.D Total Speed Sector N 01 6. 17 9' 0 0 0 0 32 4.8% 5.9 0

NNE 0o 4. 17 21 0 0 23 3.5% 4.9 01 0 NE 4 12: 0 0. 17 2.6% 5.2 0; 01 0 ENE 11 16 01 0 0o 0 0. 27 4.1% 3.9

0. 0 E 2 9 32 0i 01 0 14 2.1% 5.5 01 0 5.4%

ESE 0

8 15 11 21 0

..-O T....... 36. ............

-.................. *.. . 6.3 - -

SE 0O 4... ..83j....

--- 22 1 1o 0 0; 110 16.6% 6.31 62 1 9. 0. 172 25.9% 7.6 SSE Or 0 0 0 S 01 0o 0 66 42 1 10 0. 118 17.8% 8. 1 or SSW 1 411 7 0. 0 49 7.4% 6.4 0: 0 SW 0. 0 7 41... ..........1

........... 0 00 01 12 1.8% 8.4

0. 01 WSW 0. ..... 0

....... 5 30 0 0. 5 0.8%

5.6..

W o1 00 1 4 01 0.

11 0

0. 5 0.8% 5.5 1 4i 1

..... ....o. 0. 0 0 WNW 3 1 0i 4 0.6% 2.7 O* 101 0 0 NW 7 9 01 0 0 -17 2.6% 3.8 o0 1641 2 0 0 NNW 5 17i 0 22 3.3% 4.1 Total 58. 417. 1641 231 0, 663

% Of 0.0% 8.7% 62.9%. 24.7% 3.5% 0.2% 0.%- 0.0%

Total

.1---

Average speed for this table (MPH): 6.6 Hours in above table with variable direction 0 Total number of CALMs : 1 Total number of Invalid hours 0 Total number of Valid hours : 2208 Total number of hours for period 2208 9-25

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Third Quarter 2006 Joint Frequency Table From : 07/01/2006 00:00 To : 09/30/2006 23:00 q PRIMARY TOWER STABILTY CLASS F Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ Total % Of Avg.

-3.5 -7.5 -12.5 -18.5 -24.5 32.5 Total Speed Sector r

N 0. ...... 17;

. .... 9i

..... .... .0. .. ... .....0.......

..................... 0 0: 01 0 26 7.2% 3.5 NNE 0 22. 161 0 0. : 38 3.8 0 0

......... ... ... 0i i...... 10.6%

NE 0 19. 10 0 0 0i 0 0 0. 29 8.1% 3.5 ENE 0 0 21. 8. 0. 0 0:: Oi 01 29 8.1% 3.1 E

01 30: 14 0 0 0 0i 01 0i 44 12.3% 3.0 0 22 ESE

.....5153.. . . . . . .. ..0i .................. 0 i...

........... 0 01 Oi 37 10.3% 3.3 SE 0.

... ... . . .. 353:i. . ..............

..o. ..28: *1 ..................

0--

0 01 0. 82 22.8% 4.2 SSE 0 . 38: 0 0 0 0' 0 43 12.0% 4.7 S 1 4 0!

i ......... ..0. 0 1 01 0 0 6 1.7% 5.6 SSW 0 0 0 0 . 0 0 0' 01 0 0 0.0% 0.0 SW 0 0. 0. 0 0 0:ý 0 01 0 0 0.0% 0.0 WSW 0 21 0 01 0 0i ...... . ............ ...................

.. ... .0. . ... ... . . 3 0.8% 3.0 W 0 3 0 0 01 i 01 0 3 0.8%

0 2.9 01 0 WNW 0 4 0 i......

..... . . . . . 0o. . ......

5 ........................

o ........................ ...... o0o .................

................ 0 4 1.1% 3.1 NW 0ý 5:1 1i 01 01 Qi 01 0 6 1.7% 2.8 NNW 0. 7 2 06 01 01 01 0 9 2.5% 2.9 Total 0 186 171 1 1 0 01 o1 0 359

% Of Total % 51.8% 47.6% 0.3% 0.3% 0.

0.0% 0.0% 0.0%

Average speed for this table (MPH): 3.7 Hours in above table with variable direction 0 Total number of CALMs : 1 Total number of Invalid hours 0 Total number of Valid hours". 2208 Total number of hours for period 2208 9-26

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Third Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER STABILTY cLAss G Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 -39 .6o Total % Of Avg.

-3.5 -7.5 -12.5 -18.5 -24.5 Total Speed Sector N 0. 18 3 0 0 01 0 0 21 7.4% 2.9 NNE 0. 42 18 0 0* 0 0 0. 60 21.3% 3.1

................... .......i*.........

NE 0 44 3 01 0 0i 0 0 47 16.7% 2.6 ENE 0 33 7. 0 0! 0o 0 40 14.2% 2.7 E 1 38 41 0 0 01 0 0. 43 15.2% 2.6 ESE 0 21 3 01 0 0 0 24 8.5% 2.8 SE 0 14 13 01 0:

0 0 0. 27 9.6% 3.5

...i...................

SSE 0 1 0 01 0 0° 0, 0 1 0.4% 3.4 0' 0. 0 0.0% 0.0 S 0 o 0 0o o 0 01 0 0 0 0.0% 0.0 01 0; SSW 0 0 0. 0' 0 0 0 0 0.0% 0.0 SW 0. 0. 0 0 ~ 01 o1 0o 01

.......... o0 0 0.0% 0.0 WSW 0 0 0. 0 01 01 0i 0 W 0 1 2 o0 0 00 0 0. 3 1.1% 3.6

WNW.. ......

0. ....

.. 4 0 0: 0 0i 0O 0 4 1.4% 3.1 NW 0 0 5 1.8% 3.5 13- 5-- 0 0 NNW 0 6 1. 0:i 0 7 2.5% 2.9 Total 1 223. 58. 01 0 0o 0 282

% Of 0.0% 0.0%1 Total 0.4% 7 9.1% 20.6%: 0.0%1 0.0%; 0.0%

Average speed for this table (MPH): 2.9 Hours in above table with variable direction 0 Total number of CALMs : 1 Total number of Invalid hours 0 Total number of Valid hours : 2208 Total number of hours for period 2208 9-27

Radioactive Release Effluent Report - RDRJFCA 2006 Snuth TAxz* PrniAnt Radioactive~~~Sut DJCA20 Releas Eflun Reot-Joint Frequency Tables Third Quarter 2006 Joint Frequency Table From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER ALL STABILITY CLASSES COMBINED Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ Total % Of Avg.

-3.5 -7.5 -12.5 -18.5 I-24.5 -32.5 Total Speed Sector N 0 53ý 50 221 5 5 0 0ý 0 125 5.7% 4. 9 NNE 0. 73. 73 21 003 7 0. 167 7.6% 4.5 NE 0ý 74:: 52 8: 0o4!20:i ° 0 134 6.1% 3. 9 ENE 0 73. 49 3! 0 30 0 o0 125 5.7% 3. 6 1 42 E 76ý 42; 15! 0, 0 01 134 6.1% 4.0 ESE 05 53. 53: 28 6 0 0 0. 140 6.3% 5.3 SE 01 47+ 1804 103 E 0!1 0o 338 15.3% 6.5 SSE 0 12. 172. 151 24 1 0 0 360 16.3% 7.8

.. .. .. .................... }..... .................

S 0i13 5 130. 177 42 0 0 0 354 16.0% 8.9 SSW 0:7 3. 78. 37, 3 01 0 0 121 5.5% 7.0 SW 0i2 1I 26 0 0: 0 33 1.5% 6.5 WSW 0; 2 10 2i 0 f0 0 0 14 0.6% 5.3

.. . . ~~~ ~~~.....

w 0. 13 17 _* ......... .................... ... ...

01 C 0 1 0 30 1.4% 4.1 WNW 0 15 11

... .......................... 01 .... .. 0.. .......... ..0 ...................

.................. 0 26 1.2% 3.7 NW 0 18 21 2! 0* 00 0 S 0 0 41 1.9% 3.8 NNW 0 30; 35 1.........

. .. *! 0. ... 0i 0................

...... 0

. 66 3.0% 3.8:

Total 1 548. 999 575 ! 1 0i 0 2208 84

% Of Total 0.0% 24.8%, 45.2% 26.0% 3.8%! 0.0%; 0.0% 1 0.0%

Average speed for this table (MPH): 6.1 Hours in above table with variable direction 0 Total number of CALMs : 1 Total number of Invalid hours 0 Total number of Valid hours : 2208 Total number of hours for period 2208 9-28

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Fourth Quarter 2006 Joint Frequency Tables Joint Frequency Table From 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER 9-29

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Fourth Quarter 2006 Joint Frequency Table From : 10/01/2006 00:00 To : 12/31/2006 23:00 q PRIMARY TOWER STABILTY CLASS A Wind Speed (1) (2) (3) (4) (5) (6) (7; (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24. 6 *32.6+ Total % Of Avg.

-- . -11 . -18.5 -24.5 - 3:2.5 Sector Total Speed N 0 0 0 5! 3! 0~ 0. 8 15.1% 11.8 NNE 0 0 2 0o 0 0 0 2 3.8% 6.2 NE 0o 0o 1 i o0 01 0 1 1.9% 5.9i ENE 0 0. 0 0, 0o 0 0 0.0% 0.0 S0 0 0' 0 0 0 0 0.0% 0.0 ESE 0 0o 0 3 0 0 3 5.7% 9.1 SE

... 0

........... 0

31, ............4 ... ...................

........................ 0 7 13.2% 12.2 SSE 0 0 1 3i o 0i 0. 5 9.4% 9.1 0

S 0 1 3, 21 0 4 7.5% 9.9 SSW SW 0

0*

0, 0 0 31 0

1 i

01 0

0, 4

0 7.5%

0.0%

10.1 0.0 0 wsw 0. 0 1 o 0 0 1 1.9% 3.6 W 0 0~ 0 0i 0 0i 0 0 0.0% 0.0 WNW 0. 0 0 0. 0 o2 0. 0 0.0% 0.0 NW 0 0 3 8 0 0 15 28.3% 13.1; NNW 0 01 0 1 2 3 5.7% 12.9:

0 Total 0 0 9 30 10 0 53

% Of Total 0.0% 0.0%. 17.0% 56.6%!i 18.9%' 3 3.8% 0.0%1 Average speed for this table (MPH): 11.1 Hours in above table with variable direction Total number of CALMs : 4 Total number of Invalid hours 1 Total number of Valid hours : 2207 Total number of hours for period 2208 9-30

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Fourth Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER STABILTY cLAss B Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 ! Total % Of Avg.

-3.5 -7.5 -12.5 -18.5 -24.5 - 32.5 Total Speed Sector N 0 0 2 7 41 0 0 14 21.5% 11.7 01 NNE 0 0 1 21 0: & 0o 0 3 4.6% 8.9 NE 0 001 0O 0 0 2 3.1% 10.8 0 . I ENE 0 0 0 0: 0I 0o 0 0 0.0% 0.0

.........i....

0: 0. 1 1 0: 0i 0 0. 2 3.1% 7.3 E 1,I ESE 0 0 1 2 0o 01 0~ 0 3 4.6% 9.6 SE 0 o 0 3i 21 0 0 6 9.2% 12.6 SSE' 01 0ý 0 3 0l 0 0. 4 6.2% 11.6 S .............................

0 01 0.

12' 2"..... ..........- 0 0 13 20.0% 10.8 sSSW 0. 0 0 0 0 4 0: 01 of 0 4 6.2% 9.0 0 01 o o0 0 4 6.2% 11.2 wSw 0 01 0 001 0 0 0 0.0% 0.0 w 0 0 0 0i 0 0 0.0% 0.0 0; o01 0

0: 0 0 ot 0 0.0% 0.0 WNW 0

3, o!

0 0

0 1 2 NW 0, 21 21 0 7 10.8% 14.8 NNW 0 0 1 21 o-L 0 3 4.6% 10.6 31 01 Total 0 8 40 1 4 0 65

%Of 6.2%!

Total 0.0% 0.0%. 12.30/ 61.5%1 20.0 0.0%, 0.0%

Average speed for this table (MPH): 11.3 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 1 Total number of Valid hours : 2207 Total number of hours for period 2208 9-31

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Proect Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Fourth Quarter 2006 Joint Frequency Table From : 10/01/2006 00:00 To : 12/31/2006 23:00 q PRIMARY TOWER STABILTY CLASS C Wind Speed (1) (2) (3) (4) (5) (6) (7) 1(8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6 +

-3.5 -7.5 -12.5 - 18.5 -32.5 Total % Of Avg.

- 24.5 Total Speed Sector N 0. 0 1. 1 01 o0 0: 6 7.1% 10.2 NNE 0i 0 01 7i 0, 0. 8 9.4%

1 01 10.3 NE 0 0 0 21 01 0: 0. 3 3.5% 13.9 ENE 0 01 0 01 0 0 01 0 0 0.0% 0.0 E 0 0 2 Of 0 0. 0 0 2 2.4% 7.0o ESE 0 0 0 11 3 0. 0 0 4 4.7%

13.7 SE 0

..i........ . .............

0 0

5' 7.

-3............... 0 'Yo9 0

'i......... 12 l14.1%% 112.1.

SSE 0 0 1 5 3' 0 0 01 9 10.6% 11. 4 S 0 0 2 15 2 0 0- 0 19 22.4% 10.5 0

SSW 0. 0 1. 5 0. 0 0 0 6 7.1% 9.7

0. 0 0. 2' ol 0 oi o0 2 2.4% 10.2 WSW 0. 0 0 0 i 01 0. 0 0.0% 0.0 8..........

... 0 ...0,' . ......0 ...

................ 0. .......... O0.................. 01 0. 0 .. 0.0% 0.0 W 01 0 0 0 WNW 0 0 03 o1 0i 0

. 0.....

0 1 1.2% 10.2 NW 0 2' 1i 0. 6 7.1% 11.1' 0!,

NNW 0 0 1 3 2 1i 0 7 8.2% 12.5 Total 0 0 11 49 231 2. 0 0 85

% Of Total 0.0% 0.0% 12.9% 57.6% 27.1% .2.4% 0.0% 0.0%

Average speed for this table (MPH): 11.1 Hours in above table with variable direction 0 Total number of CALMs 4 Total number of Invalid hours 1 Total number of Valid hours : 2207 Total number of hours for period 2208 9-32

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Fourth Quarter 2006 Joint Frequency Tables Joint Frequency Table From : 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER STABILTY cLAss D Wind Speed (1 (2) (3) (4) (5) i(6) 1(7) :(8)

(MPH) -> CAALM 1.0 3.6 7.6 12.6 18.6 24.6 1 32.6+ Total % Of Avg.

-3.5 -7.5 -12.5 -18.5 -24.5 j -32.5 Total Speed Sector N 0 31 12 351 161 0! 0; 01 66 9.6% 10.0 NNE 0 1 21 53 7 1 0 0 83 12.1% 9.3 o........

NE 0. 4 23 28 7 01 0 0. 62 9.1% 8.2 ENE 0 5 15 401 4 01 0 0 64 9.3% 8.5 E 0 0 27: 251 8 0. 0 0 60 8.8% 8. 6 ESE 0 1. 8 38: 8 01 0 0 55 8.0% 10.0 SE 0 0. 12! 401 201 3- 0 0 75 10.9% 10.81 SSE 0 0 11 30 13, 0 0 0: 54 7.9% 10.21 S 0. 1 17, 31 31 0 0 0 52 7.6% 8.8 SSW 01 1 10 81 2! 00 0. 21 3.1% 7 6 SW 0 0 3 61 3 0 0 01 12 1.8% 10 1 WsW 0 0 1 1 01 0! 0 0 1. 2 0.3% 7 4 W 0 0 0. 0! 1 01 0o 0 1 0.1% 14 7 1

WNW 0 2 8 31 0 0 0 0! 13 1.9% 6 2 NW 0: 2 6 5 15 6 0 0 34 5.0% 13.1 NNW 0 2. 9 12 71 1 0 0. 31 4.5% 9.6 Total 01 22, 183 3551 114: 11 0 01 685

% Of Total 0.0% 3.2% 26.7% 51.8% 16.6% 1.6%, 0.0% 0.0 Average speed for this table (MPH): 9.5 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 1 Total number of Valid hours : 2207 Total number of hours for period 2208 9-33

Radioactive Release Effluent Report - RDRJFC 2006 South exas Pojc Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Fourth Quarter 2006 Joint Frequency Table From : 10/01/2006 00:00 To : 12/31/2006 23:00 q PRIMARY TOWER STABILTY CLASS E Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ Total % Of Avg.

_q ; 7

-35 -75 -12.5 - 18.5 -24.5 -32.5 Total Speed Sector 26!i 91 0!

N 0 6. 35: 0 0 76 10.9% 7.9 NNE 24! 0 NE 0

3

.23:4

...................... 0 51 7.3% 7.5 0 51 34 V 0 0 62 8.9% 6.5 0

ENE 18i 0 6 35 K 0 59 8.5% 6.4 31 0 01 E 0 6 33 9i 10 0 0: 49 7.1% 5.9 0

ESE 0 7 37 31 1 44 122 0 0 0:0 87 12.5% 8.1 0

461 1.1 02 SE 0 0 23 0. 72 10.4% 8.9 0

23. 44!1 8i 0 SSE 0o 2

7*

1 0- 0. 77 11.1% 9.0 S 0 2 25. 0): 59 8.5% 8.5 0

SSW 0 0 71 101 21 012 0 0 0 0o 19 2.7% 8.8 SW 0 1 o0 07 0 0 2 0.3% 7.1

... ...... =..

8 0

. .. ........... . .... ..... 0 WSW 0 21 .....................

0 o0 0o 4 0.6% 7.9 0

.......................... 0 W 3 0 21 1 2' 0; 0 0; 3 0.4% 2.4 0.................... 0 WNW 4 3 211 0. 9 1.3% 4.8 0

NW 0 8 13, 0o 46 6.6% 7.8 0

NNW 0 3. 8 71 0 20 2.9% 7.1 0: 47 3 0 28811 Total 56, 301 0 695 0

% Of 41.4%, 6.8%1 0.4% 0.0 Total 0% 8.1%, 43.3% 0.0%

tr Average speed for this table (MPH): 7.7 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 1 Total number of Valid hours : 2207 Total number of hours for period 2208 9-34

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Fourth Quarter 2006 Joint Frequency Table From : 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER STABILTY cLAss F Wind Speed (1) (2) (3) (4) i (5) (6) 1 (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 1 12.6 18.6 24.6 32.6 Total % Of Avg.

-3.5 -7.5 -12.5 -18.5 -24.5 -32.5 Speed Sector I Total N 0 0ý 12 0 0 00. 01 0. 12 4.3% 5.6 NNE 0 3 16 10! 0: 0 0 0 29 10.5% 6.3 NE 0ý 6 26 31 0 0 0 0ý 35 12.7% 5.1 ENE 0: 81 6 01 0. 14 5.1% 3.5 0 o o E 0 9 29 0 0' 01 0 0. 38 13.8% 4.6 0 01 0, ESE 1 9i 13 1i 0. 24 8.7% 4.0 SE 0. 51 19 9j 0. 33 12.0% 6.0 SSE 0 3 21 31 0: ol 0 0, 27 9.8% 5.4 0 0 0 s 0o 2: 4 01 01 0 0 0 6 2.2% 4.8 SSW 0 1 5 0O 0i 0 0 0: 01 0: 0 6 2.2% 4.5 SW 0 0 1 I 0!

0 001 0 01 2 0.7% 6.9 WSW 01 2 1 1 0ý 4 1.4% 4.9 1.1% 2.7 W 0. 2 11

.... 3o.......

0 WNW 1 7. 21 0 0. 10 3.6% 2.8:

NW 0 2 18 31 0 23 8.3% 5.2 NNW 0 1 18 o 10 3.6% 5.6:

0 0 0 Total 2 60 182 32 0. 276 00%I 0.0% " 00% 0.

% Of Total 0.7%. 21.7% 65.9% 11.6% 0%i Average speed for this table (MPH): 5.0 Hours in above table with variable direction : 0 Total number of CALMs : 4 Total number of Invalid hours 1 Total number of Valid hours : 2207 Total number of hours for period 2208 9-35

Radioactive Release Effluent Report - RDRJFC 2006 South Texas Project Joint Frequency Tables Fourth Quarter 2006 Joint Frequency Table From : 10/01/2006 00:00 To : 12/31/2006 23:00 q PRIMARY TOWER STABILTY CLASS G Wind Speed (1) (2) (3) 4) (5) (6) (7) (8 (MPH)-> CALM 1.0 3.6 7. 6 12.6 18.6 24.6 32 .6+ Total % Of Avg.

-3.5 -7.5 12.5 -18.5 -- &

Sector Total Speed N 0: 11 8 0 0i 0 0 19 5.5% 3.7 NNE 0: .....

..*...... 22061~~~~~~~ 8. . . . . . . . . . o2

~~~~.....................

32. 0 0 0ýi

............

115.5%

54 . -* _*

4.2 NE 0. 26i 38. 0 0

0I 0i ......... .... ....

o... 0. 64 18.4% 3.8:

0...........

0 ENE ...

0

-- 25

..... ..*16--

............................. 0 0

.i41.*

0'i .....................

. ...... ..11.8%

.... 3.31 L -

E 0 20: 12 0 01 0 32 9.2% 3.2 0i 0 0 .1 ESE 0 20; 9. 0 0 0 0 29 8.3% 3.2 SE 0 19 19: 0 0 38 10.9% 3.7 ol 01 SSE 1 2 10. 0 0 0 0' 0 13 3.7% 3.9 01 S

0 5 o*

. .... ob

.... 0, o& 0 5 1.4% 2,.6 01 01 0 SSW 0 0 0 0! 0 0 0.0% 0.0

............................ [

0 0 SW 0 0o 0 0 0' 0 0 0.0% 0.0 0 0 WSW 1........

. .........1......

........ ....00

........ ..i .......

....... 0.....

... 01 0 2 0.6% 1.1 0 0 W 0.

........ .......3

......... 3 o0'.....

................................. 0 6 1.7% 3.5 WNW 0. 5 20. 01 01 01 25 7.2% 4.3 NW 0 4 10 1 ...... ..1....

....... .. ........... .. - 0 15 4.3% 4. 9 NNW 0i 2 3 0 00.

0' o0 0 0 5 1.4% 4.0 0..........................

8........ . .....................................................

Total 2 163 180 3 00 0o 348

%Of 0.6% 46.8% 51.7% 0.9%' 0.0% 0.o0%o 0.0%1, 0.0%

Total Average speed for this table (MPH): 3.7 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 1 Total number of Valid hours : 2207 Total number of hours for period 2208 9-36

Radioactive Release Effluent Report - RDRJFCA 2006 South Texas Project Joint Frequency Tables Fourth Quarter 2006 Joint Frequency Table From 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER ALL STABILITY CLASSES COMBINED Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH)-> CALM 1.0 3.6 7.6 12.6 18.6 i 24.6 32.6 +

3 Total % Of Avg.

-3.5 -7.5 -12.5 - 18.5 -24.5 -32.5 Total Speed Sector N 0 20 70! 77 331 0 0 201 9.1% 8.6 98i 1:

NNE 0 27 95 9 0 0 230 10.4% 7.3 NE 41 123: 55': 101 0 0 229 10.4% 6.1

. ......... . .............0-0 ENE 0 44. 72 58 4! 0i 0o 0 178 8.1% 6.2 E 0 35 104 35 91 01 01 0 183 8.3% 6.1 ESE 1 37. 68 76 23! 01 01 0 205 9.3% 7.6 SE 0 24 ... .. . . . ..

731 1061 341 6! --oi 0 243 11 0%

8.61 0 71 67 89,1 25 0o 0; 0 0 189 8.6% 8.6 SSE

_0.*

S 0 10: 49. 851 13: 0 158 7.2% 8.7 SSW 0 2 23 30 51 0i 0 0 60 2.7% 8.1 0 1 4 13 4 0! 0 0 22 1.0% 9.7 SW

.7 -. ...

........7----- ....

WSW 5 41 0 01 0 0. 13 0.6% 5.6 W 81 4 -*--01 01 0 0 13 0.6% 3.9 WNW 186 33 0! 01 01 0 58 2.6% 4.7 NW 0 16. 54 40 231, 2 0 146 6. 6% 9.4 NNW 0 8i 30 25 14! 2! 01 0 79 3.6% 8.5 Total 4 301 874 7971 207i 22! 2 0 2207

% Of Total 0.2% 13.6% 39.6% 36.1%11 9.4%[ 1.0% 0.1% 0.0%

Average speed for this table (MPH): 7.6 Hours in above table with variable direction : 0 Total number of CALMs : 4 Total number of Invalid hours 1 Total number of Valid hours : 2207 Total number of hours for period 2208 9-37

Radioactive Release Effluent Report - RDRJFB 2006 South Texas Project Batch Release Joint Frequency Tables Third Quarter 2006 Joint Frequency Table - Batch Release Hours From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER 0

9-38

Radioactive Release Effluent Report - RDRJFB 2006 South Texas Project Batch Release Third Quarter 2006 Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER STABILTY CLASS A Wind Speed (1) (2) (3) (4). () 1 6 (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 T 24.6 32.6 + Total % Of Avg.

i 1.5 -I '.3 -L.D -10o.3 -+.o Total Speed Sector 0 0 Oji 0 0 0 0.0% 0.0 N 0. 00 00i 0 0! 0o0o 0 0.0% 0..0 NNE 0 01 NE 0 01 0 &00 0. 0 .%1.

ENE 0 0o 0 0. o 1 0o 0 ool 01 0 0 0 0 0.0%

0.0% 0.0 0.0 E 0. 0ý 0 01 0 O 0 01 0 0.0% 0.0 ESE 0 0. - 0 11 0 o' 0 ** .

SE 0 01 o 0 o01; o0 o 0 0 0.0% 0 .0 0 0 {1: 0! i o[ o0 01 0 0.0 .

SSE 01 0 0: 01

0. 01 0o 0 o0 0!

01 00 00. 0 0.0%

0.0% 0.0 0.0 S 0. 0 0 0 ... . ........................

0o 0

0!. ..................................

01 o o 0~o o0 0 0 0.0%

0.0%

0.0 0.0 0

SSW 01 o ol 0i 0o 0 01 0 0.0% 0.0 0

SW 0.

WSW 01 0 0.0 0 0% 00% 0.0 1 0 0.0%

...................... T- --------------------..... . .........

W w0 0 0* 0.

v o1d irecton o0 o 0 o1 0 0o 0.0% 0.0 0.0% 0.0 WNW 0 0 0. 01 0 0 0 0. 01 . % .

0 01 0 0 0[ 0i 0 0.0% 0.0 NW 0 0

0. 01o, 01oo! o 0.0% 0.0 NNW 0 0 . 0 0 1 0 0 Total 0 0

% Of 0.0% ..... 0.0%: 0.0% 0.0% i 0.0%

Total 0.0% 0.0%

9.3 Average speed for this tab*le (MPH)

0 Hours in above table with variable direction Total number of CALMs : 0 Total number of Invalid ho urs 0 Total number of Valid hour s : 26 Total number of hours for period 26 9-39

Radioactive Release Efflue nt Report - RDRJFB 2006 South Texas Project Batch Release Joint Frequency Tables Third Quarter 2006 Joint Frequency Table - Batch Release Hours From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER STABILTY CLASS B

...i........ ....

i......

.- ......-i *.......

Wind Speed (1L 1(2) (3) (4) (5) (6) 7) i(8)

CALM 1.0 3.6 !244.6 (MPH) -> 7.6 12.6 118.6 I "*o

,.u' : Total % Of Avg.

- 3.5 -7.5 -12.5 32.5 I

-18.5 -24.5 Total Sector Speed N 0 0. 0.0% 0.0 00 0' 01 0 0. 0.

0 00 0 0 NNE 0, 0 0.0% 0.0

... i..... ...... 0

. .................... ....0*

S0.... 0

........... 0.0% 0.0 NE 0 0 0 0.0% 0.0 ENE 0 0 0 01 0 O0 0 0 0 0.0% 0.0 E

0. 0 0. 0 0! 0 0 0 0 0.0% 0.0 0 0 0. 0. I( 0 0

ESE 0 0. 0 00 0 0 0 0 0.0% 0.0 SE 0o 0 0 0.0% 0.0 SSE 0 0 .

....... o..

0 .....

.o........ 0 .........

...... ... II o... ............ 0 0 0 0.0% 0.0 01 0 0 0 4 i0 0 S 0o SSW 0 01 0 0 0~

0 0.0% 0.0 SW 0. 0 0. 0 c1 0 0 0 0 000 0o 0 0 0.0% 0.0 WSW o.. ..............

.....i ... ... ... ......... ........ o 01 %i 0 0 0.0% 0.0 0: 0: 0 0: 01 01 0ý 0 0.0% 0.0, W 00 0o 0: 0o 0 0 0.0% 0.0 0 00 o. 0i WNW o.....o

.. . ....... . .............. ................. .. . .. o ...

NW O0 0 0.0% 0.0 NNW 0 0 0 4 0 0 0I O1 0 0.0% 0.0 Total 0 4

% 0.0% 0.0% 01%i 0.0%: 0.0

% Of Total 0.0 0.0%

Average speed for this table (MPH): 8.6 Hours in above table with variable direction 0 Total number of CALMs : 0 Total number of Invalid hours 0 Total number of Valid hours : 26 Total number of hours for period 26 9-40

Radioactive Release Effluent Report - RDRJFB 2006 South Texas Project Batch Release Joint Frequency Tables Third Quarter 2006 Joint Frequency Table - Batch Release Hours From : 07/0.1/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER STABILTY CLASS C Wind Speed (1 (2) (3) (4) (5) (6) (7 (8)

(MPH) -> CdkLM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ Total % Of Avg.

-3.5 -7.5 - 12.5 - 18.5 -24.5 - 332.5 Total Speed Sector N 0. 0 0 i 0I 0 0. 0 0.0% 0.0 NNE 0 0. 01 0 0; 01 0 01 0 0.0% 0.0 0.

NE .........

0 .... 0 0 0.0% 0.0 01 0ý 0 0 0 0 ENE 0 0 0 01 0o 0 0 0.0% 0.0 0

E 0 0 0 01 01 01 0. 0 0.0% 0.0 0

ESE 0 0 0 o1 0o 01 0.

01 0 0.0% 0.0 SE 0 0 0 0O 01 o;0 0 0.0% 0.0 SSE 0 0 01 0. 0i 0 0o 0 0.0% 0.0 0

S 0 0 1 0 01 0: 0 50.0% 7..5 L [... .

SSW 0 0 1 50.0% 8.7 SW 0

0 .

0o 0

0 0

1 0o1 0 01 oi 0i 0 0.0% 0.0 01 WSW 0 0 0. 0' 0; . . . i. . .... o ---0 0.0%

. 0i ,o .. ...0.0 W---------

..... ... !...................... 0 0! 01 0 0.0% 0.0 WNW O 0 0

0. . 0 .. .............

1 0.

................ 0 0.0% 0.0 NW 0. 0. 0 01 0

o1 0~

01 0 0 0.0% 0.0 0.................

NNW 0* 0.0 01 0 0 0.0% 0.0 0 0. 0 0. . .... . .. ........

Total 0 0 1 1 0 0i 0 2

%Of 0.0%, 0.0%

0.0% 0.0% 50.0%. 50.0/%1 0.0% 0.0%

Total Average speed for this table (MPH): 8.1 Hours in above table with variable direction 0 Total number of CALMs : 0 Total number of Invalid hours 0 Total number of Valid hours : 26 Total number of hours for period 26 9-41

Radioactive Release Efflue nt Report - RDRJFB 2006 South Texas Project Batch Release Joint Frequency Tables Third Quarter 2006 Joint Frequency Table - Batch Release Hours From : 07/01/2006 00:00 To 09/30/2006 23:00 PRIMARY TOWER STABILTY CLASS D

........... .4

.--... ..~. ..... ] i.. . .

Wind Speed (1) (2) (3) (4) (5) 1(6) (7) 8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 .18.6 24.6 3 2.6 + Total % Of Avg.

- 3.5 -7.5 -12.5 -18.5 -24.5 -32.5 Sector Total Speed N 0 0 0 01 0 0 0. 0 0.0% 0.0 01 NNE

..z . .0

................ 0

................... .2... ..... . . ...

0ý

. .*. . . 0 0' 0 I

0 0 0.0% 0.0 NE 0 01 01 0 01 0 0 0 0.0% 0.0

. . i . . . ... .......................

01 ENE 0i 01 0 0 0 0 01 0 0.0% 0.0

0, E 0 0 0 0.0% 0.0 0 0 01 0 01 ESE 0 0, 0 0 0 0 0! 0 0 0.0% 0.0 SE 0 0 0 0 01 O 0 0.0% 0.0 SSE 0 . ............

..... 1 25.0% 6.6 0; 1. 0 0. 0 S 0 0................ 3i 0 0 0 01 0 0 3 75.0% 6.4 0ý 0 SSW 0 0, 0 0 0.0% 0.0

..o..... o0 . . .

8~.........0.....

SW 0i 0 0 01 0

~ ............ ~~... 0. 0 0.0% 0.0 WSW 0 0 0! 0 01 01 0 0.0% 0.0

0. 0 0 0 W 0 ..00 ......

O 0... ......0 0 0

0o 0 0 0.0% 0.0 0

WNW 0. i o1 0. 0 0.0% 0.0 0 01 0j 01 . ..........................0 NW 0: 0 0 0 0

. ......... . .. ..i. . ... 0.0% 0.0 0 .......

...0 4 NNW 0; 0 0 0 0~ 0 0.0% 0.0

. 0--01 0.. ,-......

Total 0 0 4. 0 0, 0 01 4

% Of 0.0% 0.0%!

Total 0.0% 0.0%******. 0.0% 0.0% 0.0%

Average speed for this table (MPH): 6.5 Hours in above table with variable direction 0 Total number of CALMs : 0 Total number of Invalid hours 0 Total number of Valid hours : 26 Total number of hours for period 26 9-42

Radioactive Release Effluent Report - RDRJFB 2006 South Texas Project Batch Release Third Quarter 2006 Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER STABILTY CLASS E Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6 + Total % Of Avg.

-3.5 -7.5 -12.5 -18.5 -24.5 -32.5 Total Speed Sector N 01 0; 0 0 01 01 0 0 0 0.0% 0.0 NNE 0. 0i 0. 01 0 01 01 0 0.0% 0.0 NE 01 0: 0. 0 0 0 0 0 0 0.0% 0.0 ENE 0. 0 0. 0 ~ 0 01 0 0 0 0.0% 0.0 E 0 0 0 0: 0. 0 0. 0 0.0% 0.0 ESE 0 0 0 0 0 0 0.

0 0 0.0% 0.0 SE 0 0 0. o o,0 i o__o 01 01 _ ol 0 0 0.0% 0.0 SSE 01 01 0 0: o0 0 0. 0 0.0% 0.0 S 0 0. 7 0 0 0, 0 o0 ****** .41 SSW 01 0 0 0.0% 0.0' 0 01 01 01 01 0 0.0% 0.0 SW 0. 0! 0' 0 01 0 0 01 01 WSW 01 0 01 01 0 0 0.0% 0.0 0 0 0 W 0 0. 0. 0 0 01 0 0 0 0.0% 0.0 WNW 0. 00ý 0. 01 0 01 0 0. 0 0.0% 0.0 0.

NW 0 01 0 01 01 0 0 0.0% 0.0 NNW 0 01 0 01 0. 0 01 0. 0 0.0% 0.01 Total 0ob 0. 7 0 0 0 01 0 7

% Of 0.0%i 0.0% .. 0.0%

0.0% 0.0% 0.0% 0.0%;

Total Average speed for this table (MPH): 6.4 Hours in above table with variable direction 0 Total number of CALMs : 0 Total number of Invalid hours 0 Total number of Valid hours : 26 Total number of hours for period 26 9-43

Radioactive Release Efflue nt Report - RDRJFB 2006 South Texas Project Batch Release Joint Frequency Tables Third Quarter 2006 Joint Frequency Table - Batch Release Hours From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER STABILTY CLASS F

-. 1, 111,11..

Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6 +

Total % Of Avg.

-3.5 -7.5 -12.5 - 18.5 -24.5 -32.5 f Sector Total Speed N 0 0 0; 0o 0 0, 0! 0 0 0.0% 0.0 NNE 0 0 0: 0: 0 0 0.0% 0.0 NE 0ý 0 01 01 0 0. 0 0 01 0 0 0.0% 0.0 ENE 0 .....................

0 0 0 00! 0 0 0 0 0.0% 0.0 E 0 0: 0ý ok 0! 0 0 0 0 0.0% 0.0, ESE 0. 0! o01 s {................

..... 04 0 0 2 50.0% 3.5i i

............0........... . ..

SE 0. 0 0! 0 01 1 25.0% 5.1 0 0 SSE 01 -l.'. ........

0 0 0 0. 1 25.0% 5.1, s 0. 0 0: 0 0 0 0 0.0% 0.0 SSW 0. 0. 0 01 0i 0i 0 0 0.0% 0.0 SW 0 0 0 0 0 01 0. 0 0.0% 0.0i 0

WSW 0 0 0 o' 0ý 0. 0 0.0% 0.0 0

W 0 0i 0 0 01 0 0 0.0% 0.0

0. 0 0 WNW 0 0 0 01 0 0 0.0% 0.0 NW 0 0. 0 0 0 oi 01 0 0 0.0% 0.0 0

NNW 0 01 0 0: 0 0.0% 0.0 0 00.

Total 0 3 00 0 4

% Of 0.0% 0.0%:, 0.0%i 0.0%1 Total 25.0%. 75.0% 0.0%

Average speed for this table (MPH): 4.3 Hours in above table with variable direction 0 Total number of CALMs : 0 Total number of Invalid hours 0 Total number of Valid hours : 26 Total number of hours for period 26 9-44

Radioactive Release Effluent Report - RDRJFB 2006 South Texas Project Batch Release Third Quarter 2006 Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER STABILTY CLASS G I\ /R\

Wind Speed (1) (2) (3) (4 r* 17% 1 A (MPH) -> CALM 1.0 3.6 7.66 12.6 18.6 24.6 32 Total % Of Avg.

-3.5 -7.5 -1 2.5 -18.5 -24.5 -32.5 Total Speed Sector N

o o0! 0! 0' 0 0.0% 0.0

0. 01 0.

NNE 0 o' 0! o! 0' 0. 0 0.0% 0.0 0 01 NE 0: 0 01 0 0 0.0% 0.0 0 00' 0 ENE0 0 0. 01

.. .... ............. ...0. .. . . . 01..!............ .......

...................... 01. ... 0 0 0.0% 0.0 E 0; 0 1 o! 0i oli 0 0 1 25.0% 4.0 I

ESE 0. 0. 01 0. 0 0.0% 0.0 0i 00 .

0 .

SE 0 0 3 01 3 75.0% 4.3 0i o o1 SSE 01 0 0 0, 0 0.0% 0.0 01 01 0, 01 0 0: 0 0.0% 0.0 S 0

.... ..o0 *......

........ o 0o o;o 0o SSW 0 0 0! ol 0 0o 0 0 0.0% 0.0 SW 0 0 0 0 0.0% 0.0 001 00 O 0 O, 01 01 WSW0 0 0 0.0% 0.0 W 01 0 01 0' 0

ol 0'

o~

0 o0

0) 0 0.0% o0.

0 0 0 0.0% 0.0 WNW 0. 0 0 0 NW 0. 010 0i 00 o) 01 0 0 0.0% 0.0 0 0 0 01 0 0, 0 0.0% 0.0 NNW 01 oi 0i o0 o1 0 0 4 Total 0 A 4

%Of 0.0%

0.0% 0.0%. 0.0% 0.0%0 0.0%! 0.0%[

Total Average speed for this table (MPH): 4.2 Hours in above table with variable direction 0 Total number of CALMs : 0 Total number of Invalid hours 0 Total number of Valid hours : 26 Total number of hours for period 26 9-45

Radioactive Release Et ffluent Report - RDRJFBA 2006 South Texas Project Batch Release Joint Frequency Tables Third Quarter 2006 Joint Frequency Table - Batch Release Hours From : 07/01/2006 00:00 To : 09/30/2006 23:00 PRIMARY TOWER ALL STABILITY CLASSES COMBINED Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH)-> CALM 1.0 3.6 7.6 12.6 18.6 24.6 113

-3.5 -7.5 -12.5

Total % Of Avg.

-75 -125 -18.5 -24.5 -32.5 Total Sector -35 Speed N 0: 0 01 0 0. 0 0.0% 0.0 0.............. ....... . . ...........

i. ............................. .

....... ol

. . ...0 ......

NNE 0 0 0 0 0, 0 0 0.0% 0.0 NE 0 0 01 01 0 0, 0 0.0% 0.0 ENE 0 1, 001 01 o 00 0. 0 0.0% 0.0 0

E 0 0 0 0 1 3.8% 4.0 ESE ....... {.............

...... --.... 0 .. ... ..-0--

.... . .0 - 01 0, 2 7.7% 3.5 0 .................. .. ...

SE 0 4 15.4% 4.5 0 0 SSE 21 0 01 0! oi 0 2 7.7% 5.9 0 01 S 0 0, 16 61.5% 7.2 SSW 0 ............... * . ...... ......

O1.

5 0

0 0o -

01 oj 0.

0 1 3.8% 8.7 0 41 0 01 01 SW O1 01 O! 0 0 0.0% 0.0 o................. 0

.. .. .. ...... ...i.. .

WSW

....... . ....... . 0. 0 0.0% 0.0 W 0 0 0.0% 0.0

. .............. 01 0,

0 0 0, 0i WNW 0.

0 0 0 0.0% 0.0 01 NW 0 0 0.0% 0.0 0.0 0.%

NNW 0. 0 0 0.0% 0.0 19 6O 01 0 Total 0t 26

I 73.1% 23.1% 0.0%i 0

%Of Total 0.0% 3.8% 0.0%

Average speed for this table (MPH): 6.3 Hours in above table with variable direction 0 Total number of CALMs 0 Total number of Invalid hours 0 Total number of Valid hours : 26 Total number of hours for period 26 9-46

Radioactive Release Effluent Report - RDRJFB 2006 South Texas Project Batch Release Fourth Quarter 2006 Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER 9-47

Radioactive Release Efflue nt Report - RDRJFB 2006 South Texas Project Batch Release Joint Frequency Tables Fourth Quarter 2006 Joint Frequency Table - Batch Release Hours From : 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER STABILTY CLASS A Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH)-> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ Total % Of Avg.

-35 -75 .t9r -18.5 1-24.5 -32.5 Total Speed Sector N 0. 0ý 0. 2 0! 0 01 0. 2 20.0% 11.2; NNE 0 0, 0 0ý 01 0! 01 0 0 0.0% 0.0 NE o0 o1 o 0 0 0.0% 0.0 0, 0. 0 0; ENE

...01 ............

0:

0 0"

... 0 0i 01 0 0 .... 0.0%

0.0 E 0! oi o, 0

0. 0. 0 1 0 0.0% 0.0 ESE 01 0i ! 0; 1 10.0% 8.11 0i O[ 0 1 10.0% 9.7:

SE 0 01 0 0 S SE 0 01 0. 01 1 0. 0 0.0% 0.0 S 01 0. 0 0.0%

0...

... . . . . . . ;01i......

.;0. .........

0.......

0.0 SSW f 01 0 2 20.0% 11.3 0 0 ~ 1 0 SW 01 0 0 0 0 0.0% 0.0 WSW 01 O 1 0 1 10.0% 3.6 0 0. 01 0' W 0 0. 0 0i 01 01 0 0 0.0% 0.0 WNW 0 0, 1 0o 010 00 0oj 0o 0

___o__oo___oo 0.0% 0.0 NW 01 0 ol 1 10.0% 7.31 0 0 . 0 . 0 NNW 2: .............

01 Of0 0. 2 20.0% 13.3 Total 0 0 2, 5 3: 0 0 0 10

% Of 0.0% 0.0%. 20.0% 50.0%; 30.09% 0.0% 0.0%! 0.0%

Total Average speed for this table (MPH): 10.0 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 673 Total number of hours for period 673 9-48

Radioactive Release Effluent Report - RDRJFB 2006 South Texas Project Batch Release Fourth Quarter 2006 Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER STABILTY CLASS B Wind Speed (1 ......i I) .. ........

.(2)....

(3)-..----....

i~

(4) ....

.... -5(5)-........* (6)i..... ! (7) (8 (MPH) -> C ALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ Total % Of Avg.

-3.5 -7.5 -12.5 -18.5 24.5 -32.5 Sector Total Speed N 0O 0 11 3i 0 0 4 33.3% 9.5 01 O

NNE 0 0ý 0 01 0i 0 0i 0 0 0.0% 0.0 NE 0 0 0. 0'1 01 0 0 0.0% 0.0 ENE 0 0 0 0 0.0% 0.0 0 . ....... ...

.. 0.0 E 0 00. 0 01 0 0 0 0 0 0.0%

ESE ..... .................

.. ................... .....................01

........... 0.0% 0.0' 0, 0: 0 SE 0ý 0.0 01 0 0! 0i 0 0o 0 0 0.0% 0.01 SSE 0 0' 0 0 0.0% 0.0 0 0 01 0 01 S o 0i 0

0i 0

0i 0 0 0 2 16.7% 9.7 SSW 01 0 0 1 8.3% 10.2 0 0 01 2 0oi Sw 0 0 0 2 16.7% 9.6' WSW 0 0 o 0 0.0% 0.0

0. 0 0 0 0 W 0 0; 0C 0 0.0% 0.0

.........i.. ...

WNW 0. 0 0O 0 0.0% 0.0

0. 0 0 11 0 01 1 8.3% 14.8 NW 0 0 0. 0 1 0{ 0 NNW 0 01 0. 2 16.7% 13.11

0. 0 1 9 2 Total 01 0' 0 12

% Of 0.0%i 0.0%,

0.0% 0.0%. 8.3% 75.0% 16.7% 0.C%i Total Average speed for this table (MPH): 10.7

,Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours 673 Total number of hours for period 673 9-49

Radioactive Release Efflue nt Report - RDRJFB 2006 South Texas Project Batch Release Joint Frequency Tables Fourth Quarter 2006 Joint Frequency Table - Batch Release Hours From : 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER STABILTY CLASS C Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6

-3.5

t.,U Total % Of Avg.

-7.5 -12.5 -18.5 -24.5 - 32.5 Sector Total Speed N 0 0 0: 1 0 0 0 1 4.2% 8.6 0o NNE O0 0 0. 2 0! 0 0 2 8.3% 9.3 0:

NE 0 0 0* 1i o 0o 0 1 4.2% 10.8 ENE 0 0. 01 01 0 0 0 0 O: 0 0 0.0% 0.0 E 0 0 0! 0 0 0.0% 0.0 ESE 0ý 0 0 0 0 01 0; 0 0 0.0% 0.0 0 0 20 0 Oý SE 0. 2 8.3% 9.3 0!

0~ 0 0: 0i .... 0 . ..... 1i 1 .... 0 SSE 0. 01 4 0! 0. 2 8.3% 11.0 S 0: 0i 0 5, 2, 0 0! 0 7 29.2% 11.1 01 0 01 0 0:

SSW0 0; 4 16.7% 10.5,

..... 0 0 0 o0 01 SW 0: 01 O0 1 4.2% 9.5 WSW 0 0z 0i 0 0.0% 0.0 W 01 0 0.0% 0.0!1 0 0 0 01 0 0:oi 0o 0

WNW 0 0 0 0l o! 0 0 0.0% 0.0 01 1 0 2 o0 NW 0

~~~~~~........... - .....

........ . 0

.......-................ 0 3 12.5% 12.1 NNW 0. 0 0 1 4.2% 13.2 0

Total 0 0 1 17 61 0 24 0

% Of Total 0.0% 0.0% 4.2% 70.8%[ 25.0%i 0.0%:!

0.00 0.0%

Average speed for this table (MPH): 10.7 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 673 Total number of hours for period 673 0

9-50

Radioactive Release Effluent Report - RDRJFB 2006 South Texas Project Batch Release FourthJoint Frequency Tables Joint Frequency Table - Batch Release Hours From : 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER STABILTY CLASS D Wind Speed (1) 1 (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6 + Total % Of Avg.

I r .19C7 r -18.5 -24.5 - 32.5 Total Speed Sector N 0. 20 0 0 0 32 14.2% 8.9.

21 7 3, NNE 6 17 2 0 25 11.1% 9.51 0 .. . .. ..... . . .

01 0 01 0 23 10.2% 7.3 NE 3 9 11 .

0~ --

15 0 23 10.2% 10.0 ENE 0. 1 3 41 01 0

. .. ..i. .

5 0 ii E 0. 0 6 71 0 0 0, 18 8.0% 10.3 3i 1 0 4 1.8% 10.5 ESE 0. .... 0 ....

...... ..-- -.----- .0 3

............... -i.................... T 0.0 SE 8 8 o 01 0. 18 8.0% 11.4 01 0 2 SSSE 0- -------

0. 19 8.4% 12.2

0. 0 1 10K 8!

ssw 17 3 0 0 25 11.1% 9.9 S

............. o0, 0 5

............ 0i 0 14 6.2% 7.7 S SW 0. 1 6. 5 2 01 0 0 01 SW 2 2 2 i 0 6 2.7% 9.8 0 0! 0; WSW 0. 0 1 0 011 0:

0 0 1 0.4% 3.7 W 0 0. 0 0 0 0. 1 0.4% 14.7 o0 .... .. ..... .. . ........

01 0

0' 0. 1 0.4% 3.0 WNW 1 0 0 0

NW 0. 1 4 0 7 3.1% 10.8 2 3 3 0. 9 4.0% 7.3 NNW 0. 3:

Total 11 52: 117

46 0 226

% Of 23.0% 51.8% 20.4%1 0.09/0 0.0%/ 0.0%

0.0% 4.9%

Total Average speed for this table (MPH): 9.6 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 673 Total number of hours for period 673 9-51

Radioactive Release Efflue nt Report - RDRJFB 2006 South Texas Project Batch Release Joint Frequency Tables Fourth Quarter 2006 Joint Frequency Table - Batch Release Hours From : 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER STABILTY CLASS E Wind Speed (1) (2) (3) (4) (5) (6) ) () (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+

-3.5 -7.5 -12.5 -18.5 Total % Of Avg.

-24.5 -32.5 Total Speed Sector N 0ý 0 18 11: 21 0' 0 0 31 13.4% 8.2 NNE 0, 0 11 10; 0I 0 ,o 21 9.1% 7.7 0

NE

0. 0. 17 10! 01 O0 0 0 27 11.6% 6.8 ENE 0 2. 19 0, 0 o0 21 9.1% 5.3 0 0 01 0 E 5. 2. oi 01 0. 0 0. 7 3.0% 6.5 ESE 0 1! 6. 5ý 12 5.2% 6.9 0 0 0: 0, 0' 0 SE 4 6: 0 10 4.3% 7.9i 0! 0 SSE 0i 1 12.9% 9.1 10 13 6 0 0 0 30 S 0 1 11 171 9.4 6! 0. 36 15.5%

S .SW 0. 0 ....................i _

4 7 21 0 13 5.6% 9.3 0 00 SW 0:

0 1 1

0 0 0' 0

............. 0

.. 0 1 0.4% 2.3 WSW 0. 0 0.9% 5.5 W- ..........

2. 0 ...... ..0:i...

............. 0. 2 W 0. 0. 001 00 0 01 - 1 1 0.4% 2.5.

0. 1 WNW 0: 0 0 0 0. 1 0.4% 2.3 0 6 NW 4i 4 01 14 6.0% 5.3 0 0 01 0* 0 NNW 4 1 0 5 2.2% 5.7 14 .........%... 0. 0 0.

Total 115 86* 16 0.4% 0.0 0 232

% Of 0.0% 6.0%

Total 49.6% 37.1% 6.9% 0.0%

Average speed for this table (MPH): 7.6 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 673 Total number of hours for period 673 9-52

Radioactive Release Effluent Report - RDRJFB 2006 South Texas Project Batch Release Fourth Quarter 2006 Joint Frequency Tables Joint Frequency Table - Batch Release Hours From 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER STABILTY cLAss F Wind Speed (1) (2 (3) (4) (5) i12.6 (6) 18.6

!(7 i24 4.6 1 (8) 32.6+

(MPH) -> CALM 1.( 3.6 7.6 Total % Of Avg.

-3 3.5 -7.5 -12.5 S-18.5 -24.5 -"3 32.5 'Total Speed Sector 0 N 0: 4. 0!0 0 i 0 4 4.2% 6.0 NNE 0 4. 0 01 0. 7 7.4% 6.0 0:1 NE 0! 2 81 0i 0 Oi 0! 0o 10 10.5%.

4.3 ENE 0 2 2 0 0C 01 0 4 4.2% 3.2

.......... 1 E 0 3 9' Oi 0 o1 0! 0 12 12.6% 4.3 ESE 1 5 i . ......

1 01

....... 001 0O .. . . ... ..

... ................. .... . . . . 0*..01

... 0.... .......7 ...7.4% *............

2.4 SE 0. 7. 0 0 8 8.4% 5.6ý 1: 0 SSE 0 2 13. ii 0 16 16.8% 5.3 01 0!

S 0 0 4 01 0 0 4 4.2% 5.7

.........]..........

SSW 0 0. 1 0 0 0 1 1.1% 4.4 0!0 0 SW 0 . .. ...

0, 0. 0 0 0 oi 0 0 0.0% 0.0 o1 0........

WSW

..... ....................... 0: ............. . . 010 i...... 01 0l ........... 0 .....

0' ................ 00...

.......... 0 . .0.0%

. 1%. 0.0 6

W 0. 0 1 0 01 0. 1 11 4.6.

01 o01 0

5.3% 2.1 WNW 1 4 0. 0 o; 0 5 0 0.0 NW 0 11 0 0i 0 13 13.7% 4.8 NNW 0 0. 2. 0! 0 3 3.2% 6.8 0

Total 2 21 67, 5 0i 0. 95

% Of 22.1%. %1 Total 2.1% 70.5%1 5.3 %~ 0.0 00 0.0%1 0.0%:

Average speed for this table (MPH): 4.7 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 673 Total number of hours for period 673 9-53

Radioactive Release Efflue nt Report - RDRJFB 2006 South Texas Project Batch Release Joint Frequency Tables Fourth Quarter 2006 Joint Frequency Table - Batch Release Hours From : 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER STABILTY cLAss G Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 I32.6 + Total % Of Avg.

-3.5 -7.5 -12.5 -18.5 -24.5 -32.5 Total Speed Sector T N 0 1 0 0 o 0 0 11 1.4% 1.2 NNE 0 2 11 0! 0 0 0 0 13 17.6% 4.3 NE 0 1 9 0 0 0 or0 0 0 13.5% 4.1 ENE 0 51 1[ . . . 0O 0 0. 0 0 6 8.1% 3.0 E 0 6 0 0. 0, 0 0' 0 6 8.1% 2.3, ESE ..............

0 7 1 0 0 0

0o

.................... r . .. ... . . . ... .... . . . ... . . . . . ..

8 10.8%

................................... 2.8 SE 0 4 3 0 0 01 0 7 9.5% 3.6 SSE 1 0 5 0 o0 o0 0 6 8.1% 4.2 S 0 0 0 0 0 0 0 0.0% 0.0 SSW SW0 .....

0 i ...............

0 0

.. 0... . .. ..

0

....0... ............ . . ..

0

& ... .. . ... . 0-0 0

. 1........... ...... 0.

0 0 0.0%

00 0.0

0. 0 0

WSW 1 0 0 0 0 0 o, o 1 1.4% 0.9 w 0 0. 0o 0 i 01 00 0 0.0% 0 .0 WNW 0 3 8 01 0 0 0 0 11 14. 9% 3. 9 NW 0 1 3 1 00 0 01 0 4 5*4% 4 NNW 00 1 0 0 0 0 1 1.4% 1.5 Total 2 31 41 0 0 0! 0i 0 74

% Of TOt Total 2.7% 41.9% 55.4% 0.0%0 0.0% 0.0%0 , 0.0%, " ! 0.0%

Average speed for this table (MPH): 3.6 Hours in above table with variable direction 0 Total number of CALMs : - 4 Total number of Invalid hours 0 Total number of Valid hours : 673 Total number of hours for period 673 9-54

Radioactive Release Effluent Report - RDRJFBA 2006 South Texas Project Batch Release Fourth Quarter 2006 Joint Frequency Tables Joint Frequency Table - Batch Release Hours From 10/01/2006 00:00 To : 12/31/2006 23:00 PRIMARY TOWER ALL STABILITY CLASSES COMBINED Wind Speed (11) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> C ALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ Total % Of Avg.

-3.5 -7.5 - 12.5 - 18.5 t.5 - 32.5 Total Speed Sector N 3 30. 37 5' 0 0 0 75 11.1% 8.4 31 0o NNE

..... 6 .........

3.

......... .........

i.........

32 2.... ..... 2 0'

- 0. 68 10.1% 7.6 NE 6. 43 22;1 0 0 0 0. 71 10.5% 6.3 ENE 10. 25 15 41 0 0: 0 54 8.0% 6.9 E

9 20 7 0 0 43 6.4% 6.9 1

ESE 13 8 91 0. 32 4.8% 5.4 01 SE 5. 16, ........ -..........

....... 17!1.....

........... 1 8 01 0 0. 46 6.8% 8.3 SSE

3. 29 25 15i 0

-o.. .0 0. 73 10.8% 8.7 1 0 ,1F S 20 41 1 --- 0 0' 74 11.0% 9.6 01 0'

SSW

1. 11 18 5 o0 0 0, 35 5.2% 8.8 SW 1 2. 5 27 0 01 10 1.5% 9.0 i

0. 4 0 01 0. 5 0.7% 3.8 WSW 0'

oi ~0 01 7.2 W 1 0. 3 0.4%

o WNW 9.

81 0 ' ..

....... .. 0.

-1. 18 2.7% 3.3 51 0 NW 9. .. .. -6 .

............. ----- 0 43 6.4% 6.7 01 NNW 3. 91 61 0 23 3.4% 7.9, 0

Total 279. 2391 73', 0i 673 77

% Of 35.5%

Total 0.6% 11.4%, 41.5% 10.8%/ 0.1%11 0.0% 0.0%

Average speed for this table (MPH): 7.6 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 673 Total number of hours for period 673 9-55

NOC-AE-07002159, Radioactive Effluent Release Report for 2006

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