Text

2013 Radioactive Effluent Release Report
	ML14120A423
Person / Time
Site:	South Texas
Issue date:	04/29/2014
From:	Ragsdale R; South Texas
To:	; Document Control Desk, Office of Nuclear Reactor Regulation
References
	0PGP03ZX0007, G25, NOC-AE-14003127, STI: 33864816
	Download: ML14120A423 (115)
	v • d • e

South Texas Project Electric Generating Station Radiooactive Effluent Release Report STI: 33864540 OPGP03ZX0007

SLMAIFM Nuclear Operating Company South Te"s Project Electric GeneratinsStation PO. Box 289 Wadsworth, Texas 77483

A April 29, 2014 NOC-AE-14003127 File No.: G25 10 CFR 50.36a STI: 33864816 Attention: Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555-0001 South Texas Project Units 1 & 2 Docket Nos. STN 50-498 & 50-499 2013 Radioactive Effluent Release Report Pursuant to the South Texas Project Technical Specification 6.9.1.4 and 10 CFR 50.36a, STP Nuclear Operating Company provides the attached 2013 Radioactive Effluent Release Report.

The report covers the period from January 1, 2013, to December 31, 2013.

There are no commitments included in this report.

If there are any questions on this report, please contact either Marilyn Kistler at (361) 972-8385 or me at (361) 972-4511.

Robert Ragsdale Acting Manager, Chemistry Division MK

Attachment:

2013 Radioactive Effluent Release Report

NOC-AE-14003127 Page 2 of 2 I

I cc:

(paper copy) (electronic copy) £ Regional Administrator, Region IV A. H. Gutterman, Esquire U. S. Nuclear Regulatory Commission 1600 East Lamar Boulevard Morgan, Lewis & Bockius LLP I

Arlington, TX 76011-4511 Balwant K. Singal Balwant K. Singal U. S. Nuclear Regulatory Commission John Ragan I

Senior Project Manager U.S. Nuclear Regulatory Commission Chris O'Hara Jim von Suskil I a

One White Flint North (MS 8 B1) NRG South Texas LP 11555 Rockville Pike Rockville, MD 20852 Kevin Polio NRC Resident Inspector Cris Eugster U. S. Nuclear Regulatory Commission L. D. Blaylock P. 0. Box 289, Mail Code: MN1 16 City Public Service Wadsworth, TX 77483 Jim Collins City of Austin Electric Utility Department 721 Barton Springs Road Peter Nemeth Crain Caton & James, P.C. U Austin, TX 78704 C. Mele City of Austin I Richard A. Ratliff Texas Department of State Health Services I

Robert Free Texas Department of State Health I

Services a

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ATTACHMENT South Texas Project Units 1 and 2 2013 Annual Radioactive Effluent Release Report

2013 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 2014 Authored by: Kim W. Reynolds Effluent Chemist Chemistry Division Technical Review: James Wirths., IV Staff Chemist Chemistry Division Approved by:

Robert T. Ragsdale Acting Manager Chemistry Division OPGP03ZX0007. Preparation of the Radioactive Effluent Release Report South Texas Identification (STI): 33864540

RADIOACTIVE EFFLUENT RELEASE REPORT 2013 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 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 G aseous Effl uents ..................................................................................................................................... 4-1 Liquid Effl uents ....................................................................................................................................... 5-1 Solid Waste and Irradiated Fuel Shipments .......................................................................................... 6-1 i

RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT TABLE OF CONTENTS TABLE OF CONTENTS PAGE DOSE DATA TAB Dose A ccum 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 First Quarter Batch Release Joint Frequency Tables for Second Quarter Batch Release (Omitted)"

Joint Frequency Tables for Third Quarter Batch Release (Omitted)")

Joint Frequency Tables for Fourth Quarter Batch Release

("Gaseous Batch Releases were not performed during the second and third quarters of 2013 as the values of these tables would be null or zero.

RADIOACTIVF FFF1 I TFWT RFT.FAqF RFPORT 7ni1I qO)IITTI4 TFYA~q PRO1fPT RADIOACTIVE EFEI .1 WNT RET EASE R EPOR T 9fl1 3 SOT FUH iTYAS P~OIFCT Summary and Introduction Report Summary During 2013, as in all previous years, operation of the South Texas Project createdno adverse effects or health risks. The maximum radiationexposure calculatedfor a hypothetical person living at the boundary of the South Texas Project during 2013 due to operation of the South Texas Project was less than one millirem. For reference, this dose may be compared to the average annual radiationexposure of 620 millirem to people in the United States from all sources. Of that 620 millirem, natural radiationsources in the environment accountedfor 50% of the radiationexposure, whilst 48% of the exposure occurredfrom medicalprocedures. Nuclear power operations contributedless than one millirem.

Figure 1-1 All Exposure Cateqories Collective Effective Dose (percent). 2006 Seoae gngrnal (baci¶kgund) tbadigroundi lbackground)

(3%1 37 %

Arba(nckground) i n sIo

[m ed i.al/124 em n MI e su ion and Protec a ito n i o n

) 4 aiao ~Indua~sino (200 oa / 7I OI ,

C R

N cupato"a I< I Daoahypothetical Membetor of th Pubicith (ned,cali 112 Ine~~nlOxwp Itnedroal ý7I&

NCh Pr (2006). National Council on Radiation Protection and Measurements, Ioniwing Radiation Exposure of the Population of the United States, (Bethesda, Maryland), NCRP Report No. 160.

During 2013, 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 0.027 millirem. This total represents approximately 0.11% of the limits of 40 C.F.R. §190. Based on our 2013 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 highest exposed individual with regard to food consumption, occupancy, and other uses of the areas in the plant vicinity. Our dose model assumes that this theoretically highest 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 1-1

I RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT Summary and Introduction hours per year and consumes 21 kilograms (46 pounds) of fish taken from Little Robbins Slough. This individual receives a submersion dose from noble gases and dose from inhaled radioactive particulates, radioiodines, carbon-14, and tritium. This hypothetical adult is assumed to consume 64 kilograms (140 pounds) of vegetables grown at the I

residence and consumes 110 kilograms (240 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 I

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.

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. Carbon-14 accounted for a majority of the Total Body Dose reportedm in gaseous effluents. 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 2013. The radioactive effluents from the I

South Texas Project are effectively monitored and controlled in accordance with regulatory requirements. £ FIGURE 1-2 THEORETICAL TOTAL BODY DOSE FOR ALL PATHWAYS Liquid and gaseous discharges from the South Texas Project are continuously monitored for i 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 I

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.

I 0.260 _

0.240 1% of REGULATORY LIMIT(25 0.220 millirem) 40CFR190 0.200 0.180 E 0.160 20.140

=0.120 E0.100 0.080 0.060m 0.040 027 .013 .012 .014 .014 .00918 .017 .022 .017 .016 .010 .016 .017 .023 .023 .023 .027 0.020 ....... uu .. o6 00*... .. .. ,

0.000 19951996 19971998 1999-20002001 2002200320042005200620072008200920102011 20122013 m YEAR 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 1-2 I

RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT Summary and Introduction 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 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 one millirem or approximately an additional day of radiation exposure from natural radiation sources. 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.

INTRODUCTION This Radioactive Effluent Release Report is submitted for the period January 1, 2013, through December 31, 2013, 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 2013. Liquid effluents are discharged to the on-site Main Cooling Reservoir (MCR) 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. Table 1-1 lists a brief summary of the radioactive effluents and solid waste attributable to the station.

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TYPE OF EFFLUENT TYPE DESTINATION VOLUME CUBIC CURIES RADIOACTIVE METER MATERIAL NOBLE GAS GAS OFFSITE 6.OE+09(2) 7.2E+00 I

PARTICULATE AND GAS OFFSITE 6.OE+0912) 4.4E-04 IODINES TRITIUM & GAS OFFSITE 6.0E+09(2) 1.3E+02 CARBON-14 4.8E+06t3 ) 3.OE+02t()

TRITIUM FISSION AND ACTIVATION PRODUCTS LIQUID LIQUID OFFSITE OFFSITE 4.8E+06(3 ) 5.8E-04(5)

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TRITIUM LIQUID ON-SITE 3.6E+04') 2.3E+03 FISSION AND ACTIVATION LIQUID ON-SITE 3.6E+04(4) 2.9E-02 PRODUCTS")

SPENT RESINS AND FILTERS DRY COMPRESSIBLE SOLID SOLID FOR BURIAL FOR BURIAL 3.4E+01 2.1E+01 2.3E+02 3.2E-02 U

WASTE Low Level Exempt Quantities of secntayies seodary resin, SOLID FOR BURIAL 2.8E+01 1.5E-05 I

I sludge, and oily sludge

'Excludes dissolved and entrained gases.

(2'Unit Vent Release Volume for Units I and 2.

"°EstimatedMCR seepage to identified receptors.

("rotal volume of liquid radioactive effluents discharged to the MCR.

('Reference ODCM, Table B4-1 for Matagorda Bay.

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

I 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 (620 millirem), from NCRP (2006). National Council on Radiation Protection and I

Measurements, Ionizing Radiation Exposure of the Populationof the United States, (Bethesda, Maryland), NCRP Report No. 160. I U

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OPr1TnACrTVE EFFLUENT~p~RELA'SIZ 1D: P ( SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal Supplemental Information for Effluent and Waste Disposal 2-1

1 RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal g SuDnlemental 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 5

of Bay City along the west bank of the Colorado River. The South Texas Project is currently owned by NRG South Texas LP, City of Austin, Texas, and City Public Service Board of San Antonio as tenants in common. The Houston Lighting & Power Company was the original I

project manager of the South Texas Project and was responsible for the engineering, design, licensing, construction, startup, and initial operation of the two unit facility. In 1997, the STP I Nuclear Operating responsibility Company, assumed for implementation operationalEffluent of the Radioactive control Control of the Program.

South Texas Project and g The South Texas Project has two Westinghouse pressurized water reactors. The nominal net electrical capacity of each unit is 1,250 megawatts-electric (MWe). 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 I

commercially operational on June 19, 1989. The South Texas Project initiated project activities in 2008 to pursue renewal of the operating licenses for Units I and 2 from the Nuclear Regulatory Commission (NRC). The license renewal application was submitted to the Nuclear Regulatory Commission in October of 2010 to request authorization to operate STP, Units 1 and 2, for an additional 20 years beyond the period specified in the current licenses. The Nuclear Regulatory Commission determined that the South Texas Project submittal was sufficient to enable them to undertake a review of the application. The Nuclear Regulatory Commission review process is intended to ensure that the plant's original design and current conditions and programs can allow the facility to continue operating safely beyond its original license. The combined units currently produce enough electricity to serve more than two million homes and businesses throughout Texas. With nearly 1,200 baseline employees, the STP Nuclear Operating Company is the largest employer and source of revenue for Matagorda County.

U Regulatory Limits I Fission and Activation Gases 5 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.

3 Iodines and Particulates, Half-Lives > 8 days 3 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:

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RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal 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.

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-13 1, 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.OE-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 system with latest Unit 2 sample being collected during October 2012. Unit I sample was collected during month of February 2013.

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RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT I

Supplemental Information for Effluent and Waste Disposal i Reactor Coolant Liquid including tritium, fission products (excluding radioiodines), and corrosion and activation products 3 E-bar (Million Electron Volts/Disintegration) 0.152 Unit 1 0.091 Unit 2 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.

I Gaseous Effluents only Noble Gases 3 E-bar (Million Electron Volts/Disintegration) 1.01 Unit 1 0.65 Unit 2 i of Total Activity 0 Measurement and Approximations The following discussions detail the methods used to measure and approximate total activity for the following:

3 Gaseous Effluents: Fission and Activation Gases, Tritium, lodines 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 3 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 3

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 3 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 I described above for gaseous releases. Strontium-89, strontium-90, and gross alpha analyses were performed by the on-site Radiological Services Laboratory. 3 2-4

RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal 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.

The methodology used for estimating the quantity of carbon-14 released to the environment is described in the following section Dose to Member of the Public from Radioactive Effluents Including Carbon-14.

Secondary system 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.

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, iron-55, and nickel-63 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.

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. ý - -ýý rm-lzý I Supplemental Information for Effluent and Waste Disposal Liquid (Unit 1)

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

a. Number of batch releases 7 21 11 29

b. Total time period for batch releases (minutes) 426 1228 676 1775 I

c.

d.

Maximum time period for a batch release (minutes)

Average time period for 62 68 68 67 i batch releases (minutes) 61 58 61 61

e. Minimum time period for a batch release (minutes) 57 15 50 44 I

Gaseous (Unit 1)

I a.

Gaseous (Unit 1)

Number of batch releases Quarter 1 0

Quarter 2 0

Quarter 3 0

Quarter 4 0

I

b. Total time period for batch 0 0 0 0 c.

releases (minutes)

Maximum time period for a 0_0 0 0 0_0 0 0 I

batch release (minutes) 0 0 0_0

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

0 0

0 0_0 0 i

e. Minimum time period for a 0 0 0 0 batch release (minutes) 0_ 0_0_0 I Liquid (Unit 2)

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

a. Number of batch releases 20 20 24 35

b. Total time period for batch releases (minutes) 1163 1188 1448 2095 I

c.

d.

Maximum time period for a batch release (minutes)

Average time period for 64 62 62 65 I batch releases (minutes) 58 59 60 60

e. Minimum time period for a batch release (minutes) 32 46 53 41 I

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R2ADIOINACTI-VEl EFLUENll!

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Qr 1?TDnT 1)n 11 Cn"I T- T* A C ODnTVýlýt Supplemental Information for Effluent and Waste Disposal Gaseous (Unit 2)

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

a. Number of batch releases 3 0 0 5

b. Total time period for batch releases (minutes) 6900 0 0 44220

c. Maximum time period for a batch release (minutes) 5160 0 0 23160

d. Average time period for batch releases (minutes) 2300 0 0 8844

e. Minimum time period for a batch release (minutes) 120 0 0 780 Abnormal (Unplanned) Releases No abnormal releases occurred during this reporting period.

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 interval.

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 nmicrocurie per second) + 100%

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

Iodines + 25%

Particulates + 25%

Tritium + 50%

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

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

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I RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal 3 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 and radioactivity from other solid radioactive waste shipments is estimated to be within a factor of two of the real value and is due i primarily to waste stream sampling uncertainty. The error associated with determining the radioactivity of dry active solid radioactive waste shipments is estimated to be within a factor of three of the real value. B Solid Waste Shinments A total of thirteen shipments of radioactive filter media, spent resins, dry active and other wastes were made during the reporting period. Additionally three shipments of exempt quantities were I

made to an industrial landfill in Texas. A summary of the data is provided in Section 6, Solid Waste and Irradiated Fuel Shipments. This data is based upon waste generated from Units I and 2.

Radioloiical Impact on Man I The data for the period January 1, 2013, through December 31, 2013, 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.

-ý -I Receptor Location 0DCM Dilution Water Flow Dilution Water Dilution Water Dilution Factor Cubic Feet/Second Flow Liters/Year Flow Colorado River 1.OOE+00 6.00E+02 5.36E+11 Liters/Quarter 1.34E+11 I Matagorda Bay Little Robbins 1.63E+02 3.05E-02 9.78E+04 1.83E+01 8.73E+13 1.63E+10 2.18E+13 4.08E+09 i Slough Area IIII (I) Oifsite Dose Calculation Manual factor I 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 5.36E+11 liters per year for the years of 1989 through 2013. The dilution water flow used to estimate the individual I

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 2013 as the result of a diversion U 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 2013. These dilution water flows were also used for estimating individual dose due to shoreline deposits. The radioactive material I

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 I

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RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal 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 2013 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. Batch releases were not performed during the second and third quarters. These joint frequency tables for first and third quarters were omitted as the values were null or zero.

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.

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 2013, Thermoluminescent Dosimeters were placed along the protected area fence or the concrete intrusion barriers surrounding Units 1 and 2 of the South Texas Project, on the fence of the Onsite Staging Facility (Outside Storage West),

along the walls of OSF Warehouse D, on the fence of OSF Warehouse 44 and around the Old Steam Generator Storage Facility as pictured in Figure 8-1 of Section 8. The results of these measurements are summarized in Table 8-1 of Section 8. The table shows that in 2013, Thermoluminescent Dosimeter measurements were typical of previous year's readings.

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

Where TLD = background corrected TLD annual dose, mR/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 2-9

I RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal 3 The TLD average dose rate is the average of the quarterly values for the highest location less the quarterly average background at the site boundary. The highest average TLD dose rate was 17.1 mR/quarter for station #32 which is located in the vicinity of the Onsite Staging Facility (Warehouse 44), as shown in Figure 8-1. The value for TLD may be calculated as I

shown below where the historical site boundary background of 15.4 mR/quarter is used to find the net rate attributable to waste staged onsite.

TLD = 17.1 - 15.4 = 1.7 mRiquarter or U TLD = (1.7 mR/quarter) * (4 quarters/yr) = 6.8 mrem/yr assuming a mR is about equal to a mrem 3 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:

Dosedirct = (6.8 mrem/yr) * (24.4 meters) 2 / (683 meters) 2 = 0.009 mrem/yr This assumes someone is positioned permanently at the fence near the Onsite Storage Facility (Warehouse 44). A real person might traverse this area twice daily (to and from work) for a total exposure time of 5 Exposure time (hypothetical person) = (250 work days per year) * (4 minutes per trip) *

(2 trips per day)

Exposure time (hypothetical person) = 2000 minutes = 0.00381 yr Dosedirect = 0.009 mrem/yr

0.00381 yr = 0.00003 mrem in 2013 In summary, a realistic dose of 0.00003 mrem was possible to a member of the public offsite in 2013 although a hypothetical maximum annual dose rate of 0.009 mrem/yr was calculated at the nearest offsite location. 3 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 3

employee on site who is also a member of the public would be a grounds keeper whose job required him to work in the vicinity east of OSF Warehouse 44. 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 where the dose rate was highest, their direct radiation I

dose could be calculated as follows:

Dose (mrem) = 40 * [(18.1-15.4)+(16.7-15.4)+(16.8-15.4)+(17.9-15.4)] / 365 / 24 = 0.03 mrem where 40.0 = 10 hours1.157407e-4 days 0.00278 hours 1.653439e-5 weeks 3.805e-6 months per quarter times four quarters 18.1 = average dose rate in first quarter, mrem/quarterU 16.7 = average dose rate in second quarter, mrem/quarter 16.8 = average dose rate in third quarter, mrem/quarter 17.9 = average dose rate in fourth quarter, mrem/quarter 15.4 = average pre-operation dose rate, mrem/quarter 2-10 I

RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT Supplemental Information for Effluent and Waste Disposal 365 = days in a year 24 = hours per day Hence, in 2013 a hypothetical member of the public with the highest exposure to direct radiation received about 0.03 mrem from 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 0.69 millirem from radioactive effluents due to inhalation and immersion. This dose plus the direct radiation dose would yield 0.72 millirem, a small fraction of the 10 C.F.R. §20.1301 annual limit.

Dose to Member of the Public from Radioactive Effluents Outside the Site Boundary using ODCM Exposure Pathways During 2013, 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 0.027 millirem. This total represents approximately 0.11% of the limits of 40 C.F.R. §190. Based on our 2013 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 highest exposed individual with regard to food consumption, occupancy, and other uses of the areas in the plant vicinity.

Our dose model assumes that this theoretically highest 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 (46 pounds) of fish taken from Little Robbins Slough. This individual receives a submersion dose from noble gases and dose from inhaled radioactive particulates, radioiodines, carbon-14, and tritium. This hypothetical adult is assumed to consume 64 kilograms (140 pounds) of vegetables grown at the residence and consumes 110 kilograms (240 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 nineteen hundred curies of tritium were released to the Main Cooling Reservoir during 2013. 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 per section 4.10 of the ODCM. The 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 4.01 E-07 seconds per cubic meter using the EPA code Iclt3 and 2004 meteorological data. The 2-11

RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT I

Supplemental Information for Effluent and Waste Disposal product of X/Q, tritium released to the MCR, and the dose factor for a population age group (87.9, 91.7, 114.2 or 20.5 millirem-cubic meter per second-curie for age groups adult, teen, child and infant, respectively) generated an estimated whole body dose of 0.1 millirem for the highest exposed population group, a small fraction of the limits of 40 C.F.R. § 190.

1 Dose to Member of the Public from Radioactive Effluents including Carbon-14 Carbon-14 was reported as a radioactive effluent in 2010 for the first time. Carbon-14 is a naturally occurring isotope of carbon. Carbon-14 is formed naturally in the upper atmosphere and is also formed in an operating nuclear reactor, primarily through activation of oxygen molecules. The quantity of carbon-14 produced by operating nuclear reactors is significantly less than that produced naturally or from weapons testing.

The NRC published Regulatory Guide 1.21 Revision 1, Measuring, Evaluating, and Reporting Radioactivity in Solid Wastes and Releases of Radioactive Materials in Liquid and Gaseous Effluents from Light- Water-CooledNuclear Power Plants in 1974. This regulatory guidance recommends the content and format of this report. This report follows the recommendations of Regulatory Guide 1.21, Revision 1. In 2009 the NRC published revision 2 of Regulatory Guide 1.21 based on a risk-informed perspective for reporting principal radionuclides . This document recommended methods for estimating and reporting I

the quantity of carbon-14 released in gaseous effluents. The quantity of carbon-14 released from each unit was estimated using NUREG-O017, Calculation of Releases of Radioactive I Materials in Gaseous and Liquid Effluents from Pressurized Water Reactors PWR-GALE Code, April 1985. A value of 7.3 curies of carbon-14 was used for each unit. The Semiannual Summation of All Releases by Quarter for All Airborne Effluents found in section 4-1 of this report lists carbon-14 in a similar manner as tritium.

I ODCM dose factors were used for estimating doses to members of the public and the doses due to carbon-14 are included in the Dose Accumulations, Section 7-1 of this report. EPRI Report TR-105715, Characterization of Carbon-14 Generated by the Nuclear Power Industty, November 1995 concluded that the molecular form of carbon-14 produced in

gaseous effluent is 75 to 90 percent hydrocarbons (primarily methane) with the remainder in inorganic form (carbon dioxide or carbon monoxide in gas or carbonates in liquid). This report listed the measured molecular forms of carbon-14 in gaseous effluents from two U.S.

and six German commercial pressurized water reactors. The average fraction of inorganic I

carbon-14 was determined to be 20 percent and the average organic fraction was determined to be 80 percent. The pathway doses were calculated using the average ratio of 1:5 for ingestion pathways, as carbon in the form of hydrocarbons is not absorbed by plants. The radiation doses from STPEGS to the public (including carbon-14) are much lower than regulatory limits and are a very small contributor to the total radiation dose the American public receives each year from natural and manmade sources.

I 2-12

I? A TIM A f-TTXIr VVVT TJVMT D F:T 17A QTZ D VD"D'r Int 2 SOUTH TEXAS PROJECT P AflTC~ACTflh12 t1~rT TTI2MT PITT IZACIZ PIZD(2DT )AI 2 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 2013 SOUTH TEXAS PROJECT I

Technical Specifications and Offsite Dose Calculation Manual Controls Reporting Requirements I Offsite Dose Calculation Manual Changes (reference, Technical Specifications, 6.13)

The ODCM was not revised in 2013. 3 Annual Land Use Census (reference, Offsite Dose Calculation Manual Controls, 3.12.2.a)

The Land Use Census verified current nearest residents within five miles. No new residents or receptors were identified within five miles of the site I

Radioactive Waste Treatment System Design Modification Description (reference, Offsite 1 Dose Calculation Manual Controls, 6.15)

A review of the work history for 2013 for the solid, liquid and gaseous waste processing systems revealed that no major modifications were installed on these systems in 2013.

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

For 2013, inoperable liquid effluent monitoring instruments were corrected within the time specified in Sections 3.3.3.10 of Offsite Dose Calculation Manual Controls.

For 2013, inoperable gaseous effluent monitoring instruments were corrected within the time specified in Sections 3.3.3.11 of Offsite Dose Calculation Manual Controls. I 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 Abnormal (Unplanned) Release Description (reference. Offsite Dose Calculation Manual.

6.9.1.4) 3 No abnormal (unplanned) releases occurred during this reporting period.

I I

I 3-2 I

RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT Technical Specifications and Offsite Dose Calculation Manual Controls Reporting Requirements Radioactive Waste Process Control Program Chan2es (reference. Technical Specifications, 6.13)

There were no changes to the Radioactive Waste Process Control Program during this reporting period. The Radioactive Waste Process Control Program procedure, OPGP03ZOO007, was revised to include the reference of Waste Control Specialists RadioactiveMaterialLicense

R04100 Attachment C: Waste Acceptance Criteria. Changes to the procedure section of OPGP03ZOO007 were a definition of "Prohibited Waste" was added, in step 5.1 "Supervisor of Radiological Services" was changed to "Supervisor Radiological Control", step 6.1.11 "Technical Specifications" was change to "Licensed Based", and step 7.5.3.2 added an example of excessive void space.

3-3

RAD!OAC'TJVP FFFI I IFNT RFJ fASF RFPORT RADIOACTIVE EFFLUENT RELEASE RFPORT 9(l1I 2013 SOUTH TEXAS PROJECT Technical Specifications and Offsite Dose Calculation I

Manual Controls Reporting Requirements I

I I

INTENTIONALLY LEFT BLANK I

I I

3-4 I

2013~

SOUTH TEXAS PROJECT RlADIOACTIVE rppTimT RELEASE REPORT Gaseous Effluents GASEOUS EFFLUENTS 4-1

I I,*.JliJLJ1kj VLIVrtrLUIllN I ,LAjlj-*x;r LUI.5,UU 2E.0JI3A STP NUCLEAR OPERATING COMPANY 1l-1 .?LAA RKUJLL. I Gaseous Effluents I SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER I ALL AIRBORNE EFFLUENTS Unit: 1 Starting: 1-Jan-2013 Ending: 30-Jun-2013 I

TYPE OF EFFLUENT UNITS QUARTER 1 QUARTER 2 EST. TOT ERROR I

A. FISSION & ACTIVATION GASES I

1. TOTAL RELEASE CURIES 4.83E-01 4.02E-01 100

2. AVERAGE RELEASE RATE FOR PERIOD uCi/sec 6.2_1_E-02 5.12E-02 I

3. PERCENT OF LIMIT %

(9.60E+04 uCi/sec)

B. RADIOIODINES 6.47E-05 5.33E-05 I

1. IODINE-131

2. AVERAGE RELEASE RATE FOR PERIOD

3. PERCENT OF LIMIT CURIES l/e f O.OOE+00

.00E+00 0.OOE+00 0.00E+00 25 U

(4.OOE-02 uCi/sec)

C. PARTICULATES 0.OOE+00 0.OOE+00 I

1. PARTICULATES(HALF- CURIES 3.07E-05 3.88E-05 25 LIVES>8 DAYS)

2. AVERAGE RELEASE uCi/sec 3.95E-06 4.94E-06 I

RATE FOR PERIOD

3. PERCENT OF LIMIT (3.OOE-01 uCi/sec) 1.32E-03 1.65E-03 I

4. GROSS ALPHA RADIOACTIVITY D. TRITIUM

1. TOTAL RELEASE

2. AVERAGE RELEASE RATE FOR PERIOD CURIES uCi/sec 8.15E+00 1.05E+00 6.76E+00 8.60E-01 50 I

3. PERCENT OF LIMIT (1.80E+05 uCi/sec)

E. CARBON- 14 5.82E-04 4.78E-04 I I. TOTAL RELEASE

2. AVERAGE RELEASE CURIES uCi/sec 1.80E+00 2.31E-01 1.82E+00 2.31E-01 None I

RATE FOR PERIOD

3. PERCENT OF LIMIT (7.8E+03 uCi/sec) 2.97E-03 I_

2.97E-03 I I 4-2 I

I

(*I N-I* 'T'*'YA* PR OII*C'T RADITOACTIVEJ EFFLU ENT RET EASE REPORT 20l13 S 11-I 1TEKA PROTECT 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 2013 I CONTINUOUS MODE I BATCH MODE NUCLIDES UNITS QUARTER 1 QUARTER 2 QUARTER 1 QUARTER 2 RELEASED FISSION GASES Argon-41 CURIES 2.81E-01 2.34E-01 O.OOE+00 O.OOE+00 Xenon-133 CURIES 2.02E-01 1.68E-01 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 4.83E-01 4.02E-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 O.OOE+00 O.OOE+00 O.OOE+00 PARTICULATES Beryllium-7 CURIES 3.07E-05 3.88E-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 2.84E-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 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Mercury-203 CURIES 8.64E- 10 3.51 E-10 O.OOE+00 O.OOE+00 Manganese-54 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- 122 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Antimony- 124 CURIES 1.30E-09 O.OOE+00 O.OOE+00 O.OOE+00 Antimony- 125 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Selenium-75 CURIES 2.39E-09 1.57E-09 O.OOE+00 O.OOE+00 Zirconium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 0.00E+00 TOTAL FOR PERIOD CURIES 3.07E-05 3.88E-05 O.OOE+00 O.OOE+00 OTHER Carbon-14 CURIES 1.80E+00 1.82E+00 O.OOE+00 O.OOE+00 Hydrogen-3 (Tritium) CURIES 8.15E+00 6.76E+00 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 9.95E+00 8.58E+00 O.OOE+00 O.OOE+00 4-3

I PAflTAACTIV1 FP~IIIFNTPJ2T12A~rOV2PORT ,Al12 VfT I-T-TP'1 A'¥ A DP f'lll("T Gaseous Effluents I

STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER I ALL AIRBORNE EFFLUENTS Starting: 1-Jul-2013 Unit: 1 Ending: 31-Dec-2013 I

TYPE OF EFFLUENT UNITS QUARTER 3 QUARTER 4 EST. TOT ERROR I

A. FISSION & ACTIVATION GASES I

1. TOTAL RELEASE CURIES 3.75E-01 4.61E-01 100

2. AVERAGE RELEASE RATE FOR PERIOD uCi/sec 4.72E-02 5.80E-02 I

3. PERCENT OF LIMIT E (9.60E+04 uCi/sec)

B. RADIOIODINES 4.92E-05 6.04E-05 I CURIES 3.22E-09 6.26E-09 25

1. IODINE-131

2. AVERAGE RELEASE RATE FOR PERIOD uCi/sec 4.05E-10 7.88E-10 U

3. PERCENT OF LIMIT 1 (4.OOE-02 uCi/sec)

C. PARTICULATES 1.01E-06 1.97E-06 I 2.54E-05 25

1. PARTICULATES(HALF-LIVES>8 DAYS)

2. AVERAGE RELEASE CURIES uCi/sec 2.77E-05 3.48E-06 3.20E-06 I

RATE FOR PERIOD

3. PERCENT OF LIMIT (3.OOE-01 uCi/sec) 1.16E-03 1.07E-03 I

4. GROSS ALPHA RADIOACTIVITY D. TRITIUM CURIES 0.00E+00 0.00E+00 I

1. TOTAL RELEASE

2. AVERAGE RELEASE RATE FOR PERIOD CURIES uCi/sec 1.1 1E+01 1.40E+00 5.60E+00 7.04E-0_1 50 I

3. PERCENT OF LIMIT (1.80E+05 uCi/sec) 7.78E-04 3

3.91 E-04 I E. CARBON- 14

1. TOTAL RELEASE

2. AVERAGE RELEASE RATE FOR PERIOD CURIES uCi/sec 1.84E+00 2.3 1E-01 1.84E+00 2.3 1E-01 None I

3. PERCENT OF LIMIT (7.8E+03 uCi/sec)

% 2.97E-03 2.97E-03 I

I 4-4 I

R*I

TFYA* PRNII*C*T R1AflACTIVE FFPI UEINT RELE ASE REPPORT 2013 5OUTH1-S TEKA5S PROWECT 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 2013 I CONTINUOUS MODE I BATCH MODE NUCLIDES RELEASED UNITS [QUARTER 3 QUARTER 4 QUARTER3 QUARTER4 FISSION GASES Argon-41 CURIES 2.12E-01 1.84E-01 O.OOE+00 0.OOE+00 Xenon-133 CURIES 1.63E-01 2.77E-01 O.OOE+00 0.OOE+00 TOTAL FOR PERIOD CURIES 3.75E-01 4.61E-01 O.OOE+00 0.OOE+00 IODINES Iodine- 131 CURIES 3.22E-09 6.26E-09 O.OOE+00 0.OOE+00 Iodine-133 CURIES O.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 TOTAL FOR PERIOD CURIES 3.22E-09 6.26E-09 O.OOE+00 0.OOE+00 PARTICULATES Beryllium-7 CURIES 2.59E-05 2.54E-05 O.OOE+00 O.OOE+00 Cobalt-58 CURIES 8.91E-10 3.3 1E-09 O.OOE+00 O.OOE+00 Cobalt-60 CURIES 1.75E-06 7.06E-09 0.OOE+00 O.OOE+00 Mercury-203 CURIES 4.10E-10 5.02E- 10 O.OOE+00 O.OOE+00 Selenium-75 CURIES 1.37E-09 2.58E-09 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 2.77E-05 2.54E-05 0.OOE+00 0.OOE+00 OTHER Carbon- 14 CURIES 1.84E+00 1.84E+00 O.OOE+00 0.OOE+00 Hydrogen-3 (Tritium) CURIES 1.11E+01 5.60E+00 O.OOE+00 0.OOE+00 TOTAL FOR PERIOD CURIES 1.30E+01 7.44E+00 0.00E+/-00A 0.OOE+00 4-5

I PAflTflACTTXTI PF1~TITr?.JT1~r~T rA~r~ OJZPnRT -*NI* VflTITU ThYA~ flpCUl2fT Gaseous Effluents STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER ALL AIRBORNE EFFLUENTS Unit: 2 I

Starting 1-Jan-2013 Ending : 30-Jun-2013 i

EST. TOT TYPE OF EFFLUENT UNITS QUARTER I QUARTER 2 ERROR I

A. FISSION & ACTIVATION GASES

1. TOTAL RELEASE CURIES 2.85E-01 5.69E-01 100 I

2. AVERAGE RELEASE uCi/sec 3.66E-02 7.23E-02 RATE FOR PERIOD

3. PERCENT OF LIMIT 3.8 1E-05 7.54E-05 I (9.60E+04 uCi/sec)

B. RADIOIODINES

1. IODINE-131 CURIES 2.92E-08 5.90E-08 25 I

2. AVERAGE RELEASE uCi/sec 3.76E-09 7.50E-09 RATE FOR PERIOD

3. PERCENT OF LIMIT 9.40E-06 1.88E-05 (4.OOE-02 uCi/sec)

C. PARTICULATES I

1. PARTICULATES(HALF- CURIES 2.22E-05 2.40E-05 25 LIVES>8 DAYS)

2. AVERAGE RELEASE uCi/sec 2.86E-06 3.05E-06 I

RATE FOR PERIOD

3. PERCENT OF LIMIT (3.OOE-01 uCi/sec) 9.53E-04 1.02E-03 I

4. GROSS ALPHA RADIOACTIVITY D. TRITIUM CURIES 0.OOE+00 0.OOE+00 I

1. TOTAL RELEASE

2. AVERAGE RELEASE RATE FOR PERIOD CURIES uCi/sec 2.68E+01 3.44E+00 7.43E+00 9.45E-0I 50 I

3. PERCENT OF LIMIT (1.80E+05 uCi/sec)

E. CARBON- 14 1.9 1E-03 5.25E-04 I

1. TOTAL RELEASE

2. AVERAGE RELEASE RATE FOR PERIOD CURIES uCi/sec 1.80E+00 2.31E-01 1.82E+00 2.31E-01 None I

3. PERCENT OF LIMIT (7.8E+03 uCi/sec) 2.96E-03 2.97E-03 I

U 4-6 I

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C DD*I*EPT Jýý-I Gaseous Effluents STP NUCLEAR OPERATING COMPANY Unit 2 REPORT CATEGORY: SEMIANNUAL AIRBORNE GROUND LEVEL CONTINUOUS AND BATCH RELEASES. TOTALS FOR EACH N1UCLIDE RELEASED.

TYPE OF ACTIVITY: FISSION GASES, IODINES, AND PARTICULATES REPORTING PERIOD: QUARTER # 1 AND QUARTER # 2 YEAR 2013 I CONTINUOUS MODE I BATCH MODE RELEASED UNITS QUARTER 1 _QUARTER 2 QUARTER 1 QUARTER 2 NUCLIDES[

FISSION GASES Argon-41 CURIES 3.96E-02 2.41E-01 8.41E-02 O.OOE+00 Xenon-133 CURIES 1.61E-01 3.28E-01 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 2.OOE-01 5.69E-01 8.41E-02 O.OOE+00 IODINES Iodine- 131 CURIES 2.27E-08 5.90E-08 6.50E-09 O.OOE+00 Iodine-133 CURIES 2.91E-08 6.28E-08 8.31E-09 O.OOE+00 TOTAL FOR PERIOD CURIES 5.18E-08 1.22E-07 1.48E-08 O.OOE+00 PARTICULATES Beryllium-7 CURIES 2.15E-05 2.40E-05 O.OOE+00 O.OOE+00 Cobalt-58 CURIES 4.57E-07 O.OOE+00 2.54E-07 O.OOE+00 Cobalt-60 CURIES 4.52E-09 O.OOE+00 1.29E-09 O.OOE+00 Mercury-203 CURIES O.OOE+00 5.96E-I 1 O.OOE+00 O.OOE+00 Manganese-54 CURIES 5.85E-09 O.OOE+00 1.67E-09 O.OOE+00 Antimony- 124 CURIES O.OOE+00 5.96E- 10 O.OOE+00 O.OOE+00 Selenium-75 CURIES O.OOE+00 2.17E-09 O.OOE+00 O.OOE+00 TOTAL FOR PERIOD CURIES 2.20E-05 2.40E-05 2.57E-07 O.OOE+00 OTHER Carbon-14 CURIES 1.70E+00 1.82E+00 9.75E-02 O.OOE+00 Hydrogen-3 (Tritium) CURIES 1.97E+01 7.43E+00 7.07E+00 0.OOE+00 TOTAL FOR PERIOD CURIES 2.14E+O1 9.25E+00 7.17E+00 0.OOE+00 4-7

I 1? Afl)InACTTIVr IfZr I IIFIT R 1 FA I RIzPAPT ,A1 ~ q01 ITT TIVAq DPCNIWrT Gaseous Effluents I

STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER ALL AIRBORNE EFFLUENTS I

Starting: 1-Jul-2013 Unit: 2 Ending: 31-Dec-2013 I

TYPE OF EFFLUENT UNITS QUARTER 3 QUARTER 4 EST. TOT ERROR I

A. FISSION & ACTIVATION GASES I

1. TOTAL RELEASE CURIES 5.27E-01 4.06E+00 100

2. AVERAGE RELEASE RATE FOR PERIOD uCi/sec 6.63E-02 5.1 IE-01 I

3. PERCENT OF LIMIT 6.90E-05 5.32E-04 (9.60E+04 uCi/sec)

B. RADIOIODINES I

1. IODINE-131

2. AVERAGE RELEASE RATE FOR PERIOD CURIES uCi/sec 4.7 1E-07 5.93E-08 7.61E-05 9.57E-06 25 U

3. PERCENT OF LIMIT 1.48E-04 2.39E-02 (4.OOE-02 uCi/sec)

C. PARTICULATES I

1. PARTICULATES(HALF- CURIES 2.18E-05 1.55E-04 25 LIVES>8 DAYS)

2. AVERAGE RELEASE uCi/sec 2.74E-06 1.95E-05 I

RATE FOR PERIOD

3. PERCENT OF LIMIT (3.OOE-01 uCi/sec) 9.14E-04 6.5 1E-03 I

4. GROSS ALPHA RADIOACTIVITY D. TRITIUM I

1. TOTAL RELEASE

2. AVERAGE RELEASE RATE FOR PERIOD CURIES uCi/sec 1.20E+01 1.50E+00 3.52E+01 4.43E+00 50 I

3. PERCENT OF LIMIT (1.80E+05 uCi/sec)

E. CARBON-14 8.35E-04 2.46E-03 I

1. TOTAL RELEASE

2. AVERAGE RELEASE RATE FOR PERIOD CURIES uCi/sec 1.84E+00 2.3 1E-01 1.84E+00 2.32E-01 None I

3. PERCENT OF LIMIT (7.8E+03 uCi/sec) 2.97E-03 2.97E-03 I

I 4-8 I

901* *0[ TTI* TI*YA* PROII:'CT R AfIOACTW E FFLUE TNT RELE.ASE~ RE.PORT 20! 3 SOUTH TEKAS PROWECT 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 2013 I CONTINUOUS MODE BATCH MODE NUCLIDES UNITS QUARTER 3 QUARTER 4 QUARTER 3 QUARTER 4 RELEASED FISSION GASES Argon-41 CURIES 3.46E-01 9.44E-02 O.OOE+00 8.17E-01 Xenon-133 CURIES 1.81E-01 1.58E-01 O.OOE+00 2.99E+00 TOTAL FOR PERIOD CURIES 5.27E-01 2.52E-01 O.OOE+00 3.81E+00 IODINES Iodine- 131 CURIES 4.7 1E-07 1.75E-06 O.OOE+00 7.43E-05 Iodine-133 CURIES 1.56E-06 6.71 E-07 O.OOE+00 1.35E-05 TOTAL FOR PERIOD CURIES 2.03E-06 2.42E-06 O.OOE+00 8.78E-05 PARTICULATES Beryllium-7 CURIES 2.18E-05 2.95E-05 O.OOE+00 8.46E-06 Cobalt-58 CURIES O.OOE+00 4.06E-07 O.OOE+00 2.58E-05 Cobalt-60 CURIES O.OOE+00 7.44E-07 O.OOE+00 2.59E-05 Chromium-51 CURIES O.OOE+00 1.19E-06 O.OOE+00 4.63E-05 Cesium-137 CURIES O.OOE+00 O.OOE+00 O.OOE+00 2.58E-07 Mercury-203 CURIES 1.08E-09 6.61E-10 O.OOE+00 6.49E-10 Manganese-54 CURIES O.OOE+00 1.32E-09 O.OOE+00 4.35E-06 Niobium-95 CURIES O.OOE+00 8.82E-10 O.OOE+00 7.17E-06 Antimony- 122 CURIES O.OOE+00 O.OOE+00 O.OOE+00 7.45E-07 Antimony- 124 CURIES O.OOE+00 2.05E-07 O.OOE+00 8.08E-07 Antimony- 125 CURIES O.OOE+00 1.16E-09 O.OOE+00 9.39E-08 Selenium-75 CURIES 2.45E-09 2.65E-09 O.OOE+00 1.33E-07 Zirconium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 3.15E-06 TOTAL FOR PERIOD CURIES 2.18E-05 3.2 1E-05 O.OOE+00 1.23E-04 OTHER Carbon- 14 CURIES 1.84E+00 1.16E+00 O.OOE+00 6.83E-01 Hydrogen-3 (Tritium) CURIES 1.19E+O1 1.01E+O1 O.OOE+00 2.52E+O1 TOTAL FOR PERIOD CURIES 1.38E+01 1.12E+01 O.OOE+00 2.58E+01 4-9

II R AflIOACTTXJ1 PiTT I TPNT P FT PASF P PPORT ,A1 ~

STP NUCLEAR OPERATING COMPANY

! lTT4 T12YA'* PPOW*T Gaseous Effluents I Unit 1 plus 2 Total REPORT CATEGORY: ANNUAL AIRBORNE GROUND LEVEL RELEASES.

I TOTALS FOR EACH NUCLIDE RELEASED. FOR ALL OF 2013 I NUCLIDES UUNIT UNITSNI1 UNITI 2 TOTAL I

RELEASED 2013 2013 2013 FISSION GASES I Argon-41 CURIES 9.11E-01 1.62E+00 2.53E+00 Xenon-133 TOTAL FOR PERIOD CURIES CURIES 8.09E-01 1.72E+00 3.82E+00 5.44E+00 4.62E+00 7.16E+00 I

IODINES Iodine- 131 CURIES 9.48E-09 7.66E-05 7.66E-05 I

Iodine-133 TOTAL FOR PERIOD PARTICULATES CURIES CURIES 0.OOE+00 9.48E-09 1.59E-05 9.25E-05 1.59E-05 9.25E-05 I Beryllium-7 Cobalt-58 CURIES CURIES 1.21 E-04 4.20E-09 1.05E-04 2.69E-05 2.25E-04 2.69E-05 I

Cobalt-60 Chromium-51 CURIES CURIES 1.76E-06 0.OOE+00 2.67E-05 4.74E-05 2.85E-05 4.74E-05 I Cesium-137 CURIES O.OOE+00 2.58E-07 2.58E-07 Mercury-203 Manganese-54 CURIES CURIES 2.13E-09 0.OOE+00 2.45E-09 4.36E-06 4.58E-09 4.36E-06 I Niobium-95 CURIES 0.OOE+00 7.17E-06 7.17E-06 Antimony- 122 Antimony- 124 CURIES CURIES O.OOE+00 1.30E-09 7.45E-07 1.01E-06 7.45E-07 1.02E-06 I Antimony-125 CURIES O.OOE+00 9.50E-08 9.50E-08 Selenium-75 Zirconium-95 CURIES CURIES 7.90E-09 O.OOE+00 1.41E-07 3.15E-06 1.49E-07 3.15E-06 I

TOTAL FOR PERIOD CURIES 1.23E-04 2.23E-04 3.45E-04 OTHER I Carbon- 14 CURIES 7.28E+00 7.28E+00 1.46E+01 Hydrogen-3 (Tritium)

TOTAL FOR PERIOD CURIES CURIES 3.16E+01 3.89E+O1 8.14E+01 8.86E+01 1.13 E+02 1.28E+02 I

I I

4-10 I

iniI2 D Al~Tct*T'M7lV pttý n V11VI "IVkjT DIT VAQU DI2DCnDT SOUTH TEXAS PROJECT Liquid Effluents LIQUID EFFLUENTS 5-1

U D AT-1"A fTTnE V I "EXrIT DUI C2ACC DUDaýDT inll Cý'*Tý T " =T[ 'A C DDýMýýL" Liquid Effluents I

STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER I ALL LIQUID EFFLUENTS Starting : 1-Jan-2013 Unit: 1 Ending : 30-Jun-2013 I

TYPE OF EFFLUENT UNITS QUARTER 1 QUARTER 2 EST. TOT ERROR U

A. FISSION & ACTIVATION PRODUCTS I

1. TOTAL RELEASE (NOT INCLUDING TRITIUM, GASES, ALPHA)

2. AVERAGE DILUTED CURIES 8.411 E-04 2.644E-03 10 I

CONCENTRATION DURING uCi/mL 1.524E-09 1.289E-09 PERIOD

3. PERCENT OF EC* LIMIT (FRACTIONAL) 8.526E-04 1.702E-03 I B. TRITIUM

1. TOTAL RELEASE

2. AVERAGE DILUTED CURIES 7.494E+00 2.307E+02 10 U CONCENTRATION DURING uCi/mL 1.358E-05 1.125E-04 PERIOD

3. % OF LIMIT (1.00E-02 uCi/mL) % 1.358E-01 1.124E+00 I

C. DISSOLVED AND ENTRAINED GASES

1. TOTAL RELEASE CURIES 0.000E+00 2.152E-04 10 I

2. AVERAGE DILUTED CONCENTRATION DURING PERIOD

3. PERCENT OF LIMIT (2.OOE-04 uCi/mL 0.000E+00 0.OOOE+00 1.049E- 10 5.245E-05 I

uCi/mL)

D. GROSS ALPHA RADIOACTIVITY

1. TOTAL RELEASE CURIES 0.OOOE+00 0.OOOE+00 10 I

E. WASTE VOL RELEASED

1. TOTAL PRE-DILUTION VOLUME LITERS 5.125E+06 3.315E+06 I I

2. BATCH PRE-DILUTION VOLUME LITERS 3.868E+05 1.097E+06 1 F. VOLUME OF DILUTION WATER USED**

EC= Effluent Concentration LITERS 5.467E+08 2.048E+09 10 I

"*"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.

I I

I 5-2 I

I ITH TI*YA* PRC*II*CT R AflIOACTTXJ1 EFFLUETNT RELEFASE RPPORT 2013 SOU~TH- TEXAS~ PROJECT 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 2013 CONTINUOUS RELEASES BATCH RELEASES RELES UNITS QUARTER 1 QUARTER 2 QUARTER1 RELEASED QUARTER 2 ALL NUCLIDES Arsenic-76 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 O.OOOE+00 Cobalt-58 CURIES O.OOOE+00 O.OOOE+00 5.620E-05 9.OOOE-05 Cobalt-60 CURIES O.OOOE+00 O.OOOE+00 7.91 OE-05 8.OOOE-04 Chromium-51 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 O.OOOE+00 Cesium-137 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 5.300E-05 Iron-55 CURIES O.OOOE+00 O.OOOE+00 7.960E-05 4.410E-04 Iron-59 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 O.OOOE+00 Tritium CURIES 9.790E-03 7.780E-03 7.480E+00 2.3 1OE+02 Manganese-54 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 3.5 1OE-05 Nickel-63 CURIES O.OOOE+00 O.OOOE+00 3.200E-04 9.480E-04 Antimony- 122 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 O.OOOE+00 Antimony- 124 CURIES O.OOOE+00 O.OOOE+00 3.350E-05 5.160E-06 Antimony- 125 CURIES O.OOOE+00 O.OOOE+00 2.730E-04 2.660E-04 Tin-I 17M CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 5.520E-06 Xenon- 133 CURIES O.O00E+00 O.OOOE+00 O.OOOE+00 2.140E-04 Xenon- 135 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 1.500E-06 TOTAL FOR PERIOD CURIES 9.790E-03 7.780E-03 7.490E+00 2.3 1OE+02 5-3

I R AInnAfTrvrJI ri' I'*ITPI.J'NT R~I:Z IJ A'*TI RPTNRlT ~A1~

STP NUCLEAR OPERATING COMPANY

'~A 1T14 TI*YA* PRI-WC'T Liquid Effluents I SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER I ALL LIQUID EFFLUENTS Starting: 1-Jul-2013 Unit: 1 Ending: 31-Dec-2013 I

EST. TOT I

QUARTER 4 TYPE OF EFFLUENT A. FISSION & ACTIVATION UNITS QUARTER 3 ERROR I

PRODUCTS

1. TOTAL RELEASE (NOT INCLUDING TRITIUM, GASES, ALPHA)

CURIES 1.417E-03 1.157E-02 10 I

2. AVERAGE DILUTED CONCENTRATION DURING PERIOD uCi/mL 1.221E-09 4.114E-09 I

3. PERCENT OF EC* LIMIT % 1.608E-03 4.315E-03 (FRACTIONAL)

B. TRITIUM I

1. TOTAL RELEASE CURIES 1.643E+02 5.801E+02 10

2. AVERAGE DILUTED CONCENTRATION DURING PERIOD uCi/mL 1.416E-04 2.063E-04 I

3. % OF LIMIT (I .OOE-02 uCi/mL) % 1.416E+00 2.062E+00 C. DISSOLVED AND ENTRAINED GASES I

1. TOTAL RELEASE CURIES 1.479E-04 6.660E-04 10

2. AVERAGE DILUTED CONCENTRATION DURING PERIOD uCi/mL 1.274E-10 2.368E-10 I

3. PERCENT OF LIMIT (2.OOE-04 uCi/mL)

D. GROSS ALPHA

% 6.374E-05 1.1 84E-04 I

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

1. TOTAL PRE-DILUTION LITERS 3.459E+06 6.029E+06 1 VOLUME

2. BATCH PRE-DILUTION VOLUME LITERS 6.106E+05 1.612E+06 1 I F. VOLUME OF DILUTION LITERS 1.157E+/-09 2.806E+/-09 WATER USED**

EC= Effluent Concentration LITERS 1.157E+09 2.806E+09

- "Volume of dilution water used" means the volume of water circulated through the main condenser during the 10 I

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. I 5-4 I

I

RADIOACTTVF FM I JFNT RFT FAPF RFPoRT Mil qOITTW3 ITPA, PROIF(-T 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 2013 I CONTINUOUS RELEASES I BATCH RELEASES RELEASED UNITS QUARTER 3 QUARTER4 QUARTER 3 QUARTER4 ALL NUCLIDES Arsenic-76 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 3.220E-04 Cobalt-58 CURIES O.OOOE+00 O.OOOE+00 2.290E-06 7.490E-05 Cobalt-60 CURIES O.OOOE+00 O.OOOE+00 4.880E-04 2.940E-03 Chromium-51 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 2.OOOE-05 Cesium-137 CURIES O.OOOE+00 O.OOOE+00 8.080E-06 5.360E-05 Iron-55 CURIES O.OOOE+00 O.OOOE+00 1.580E-04 3.050E-04 Iron-59 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 4.030E-06 Tritium CURIES 1.220E-02 9.820E-03 1.640E+02 5.800E+02 Manganese-54 CURIES O.OOOE+00 O.OOOE+00 2.240E-05 1.620E-05 Nickel-63 CURIES O.OOOE+00 O.OOOE+00 4.850E-04 6.810E-03 Antimony- 122 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 1.150E-05 Antimony- 124 CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 3.420E-04 Antimony- 125 CURIES O.OOOE+00 O.OOOE+00 2.530E-04 6.020E-04 Tin-I 17M CURIES O.OOOE+00 O.OOOE+00 O.OOOE+00 6.280E-05 Xenon- 133 CURIES O.OOOE+00 O.OOOE+00 1.420E-04 6.220E-04 Xenon-135 CURIES O.OOOE+00 O.OOOE+00 6.310E-06 4.390E-05 TOTAL FOR PERIOD CURIES 1.220E-02 9.820E-03 1.640E+02 5.800E+02 5-5

D A F*T* Af"rT'*l]E*

LB.i*L)IUJJ.I LIV E"E'I[*T T T'IE*%T"]p EýrrLULIN I DV'K I'* A *,**

ItLLEjAý T*J1pT*T*j1*

fc*tr'UJ1I Lul-- 301 U 1' I[5*XE L PROUJECT Liquid Effluents I

STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER I ALL LIQUID EFFLUENTS Starting: 1-Jan-2013 Unit: 2 Ending : 30-Jun-2013 I

EST. TOT I

TYPE OF EFFLUENT UNITS QUARTER 1 QUARTER 2 ERROR A. FISSION & ACTIVATION I

PRODUCTS

1. TOTAL RELEASE (NOT INCLUDING TRITIUM, GASES, ALPHA)

CURIES 1.07 1E-03 2.816E-03 10 I

2. AVERAGE DILUTED CONCENTRATION DURING PERIOD uCi/mL 7.158E- 10 1.703E-09 I

3. PERCENT OF EC* LIMIT 6.600E-04 1.592E-03 (FRACTIONAL)

B. TRITIUM

1. TOTAL RELEASE CURIES 6.416E+02 2.038E+02 10 I

2. AVERAGE DILUTED CONCENTRATION DURING PERIOD uCi/mL 4.288E-04 1.233E-04 I

3. % OF LIMIT (1.OOE-02 uCi/mL) % 4.287E+00 1.233E+00 C. DISSOLVED AND ENTRAINED GASES I

1. TOTAL RELEASE CURIES 1.850E-03 5.659E-04 10

2. AVERAGE DILUTED CONCENTRATION DURING PERIOD uCi/mL 1.236E-09 3.423E- 10 I

3. PERCENT OF LIMIT (2.OOE-04 uCi/mL)

D. GROSS ALPHA

% 6.180E-04 1.712E-04 I

RADIOACTIVITY

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

I. TOTAL PRE-DILUTION LITERS 4.239E+06 4.222E+06 1 VOLUME

2. BATCH PRE-DILUTION VOLUME LITERS LITERS LITERS 4.239E+06 1.099E+06 1.099E+06 4.222E+06

1. 106E+/-06 1.106E+06 1

1 I

F. VOLUME OF DILUTION LITERS I.492E+09 1.649E+09 10 WATER USED**

EC= Effluent Concentration LITERS 1.492E+09 1.649E+09

- "Volume of dilution water used" means the volume of water circulated through the main condenser during the 10 I

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. I I

5-6 I

Q A nlý A V=T TýXjý DUT U A QU DUDnDý in, I QýT= =ý A C DDýMýý 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 2013 I CONTINUOUS RELEASES I BATCH RELEASES RELES UNITS QUARTER 1 QUARTER 2 RELEASED QUARTER 1 QUARTER 2 ALL NUCLIDES Arsenic-76 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 1.97E-04 4.36E-04 Cobalt-60 CURIES O.OOE+00 O.OOE+00 1.08E-04 4.86E-04 Cesium-134 CURIES O.OOE+00 O.OOE+00 8.68E-06 O.OOE+00 Cesium-137 CURIES O.OOE+00 O.OOE+00 3.1OE-05 2.75E-06 Iron-55 CURIES O.OOE+00 O.OOE+00 4.98E-05 2.62E-04 Tritium CURIES 1.07E-02 3.75E-03 6.42E+02 2.04E+02 Manganese-54 CURIES O.OOE+00 O.OOE+00 5.62E-06 8.13E-05 Niobium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 9.66E-06 Nickel-63 CURIES O.OOE+00 O.OOE+00 4.89E-04 6.59E-04 Anti mony- 124 CURIES O.OOE+00 O.OOE+00 4.93E-06 3.19E-04 Antimony- 125 CURIES O.OOE+00 O.OOE+00 1.77E-04 5.61E-04 Technetium-99M CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Xenon-133 CURIES O.OOE+00 O.OOE+00 1.75E-03 2.85E-04 Xenon- 133M CURIES O.OOE+00 O.OOE+00 5.45E-05 O.OOE+00 Xenon-135 CURIES O.OOE+00 O.OOE+00 4.42E-05 2.81E-04 TOTAL FOR PERIOD CURIES 1.07E-02 3.75E-03 6.42E+02 2.04E+02 5-7

I RADIOACTIVE EFFI I lENT RETEA5~E REPORT 2011* Sf1l ITI-I TETYAS PRNtECT Liquid Effluents I

STP NUCLEAR OPERATING COMPANY SEMIANNUAL SUMMATION OF ALL RELEASES BY QUARTER I ALL LIQUID EFFLUENTS Unit: 2 Starting: 1-Jul-2013 Ending: 31-Dec-2013 I

EST. TOT I

TYPE OF EFFLUENT UNITS QUARTER 3 QUARTER 4 ERROR A, FISSION & ACTIVATION I

PRODUCTS

1. TOTAL RELEASE (NOT INCLUDING TRITIUM, GASES, ALPHA)

CURIES 3.503E-03 5.440E-03 10 I

2. AVERAGE DILUTED CONCENTRATION DURING PERIOD uCi/mL 1.411E-09 1.759E-09 I

3. PERCENT OF EC* LIMIT % 1.395E-03 1.547E-03 (FRACTIONAL)

B. TRITIUM

1. TOTAL RELEASE CURIES 1.723E+02 2.668E+02 10 I

2. AVERAGE DILUTED CONCENTRATION DURING PERIOD uCi/mL 6.942E-05 8.627E-05 I

3. % OF LIMIT (1.00E-02 uCi/mL) % 6.945E-01 8.626E-01 C. DISSOLVED AND ENTRAINED GASES I

1. TOTAL RELEASE CURIES 3.527E-04 6.364E-03 10

2. AVERAGE DILUTED CONCENTRATION DURING PERIOD uCi/mL 1.421 E- 10 2.058E-09 I

3. PERCENT OF LIMIT (2.OOE-04 uCi/mL)

D. GROSS ALPHA 7.107E-05 1.029E-03 I

RADIOACTIVITY

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

1. TOTAL PRE-DILUTION LITERS 3.858E+06 5.469E+06 1 VOLUME

2. BATCH PRE-DILUTION VOLUME LITERS LITERS LITERS 3.858E+06 1.367E+/-06 1.367E+06 5.469E+06 1.973E+06 1.973E+06_1 1

1 I F. VOLUME OF DILUTION LITERS U

2.478E+09 3.087E+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. I I

5-8 I

! rlrlJ qrql*V A

IFIID/* 131[*'r P*PLL)IU*.~

E U U 1 -1 SQU inF~E*I*3E I E*J!*llKUJEC*

F I 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 2013 I CONTINUOUS RELEASES I BATCH RELEASES RENUCLIDES UNITS QUARTER 3 QUARTER 4 QUARTER 3 QUARTER 4 ALL NUCLIDES Arsenic-76 CURIES O.OOE+00 O.OOE+00 O.OOE+00 8.88E-06 Cobalt-57 CURIES O.OOE+00 O.OOE+00 2.54E-06 O.OOE+00 Cobalt-58 CURIES O.OOE+00 O.OOE+00 5.41E-04 7.53E-05 Cobalt-60 CURIES O.OOE+00 O.OOE+00 6.11 E-04 7.69E-04 Cesium- 134 CURIES O.OOE+00 O.OOE+00 6.23E-06 1.47E-05 Cesium-137 CURIES O.OOE+00 O.OOE+00 6.09E-05 4.74E-05 Iron-55 CURIES O.OOE+00 O.OOE+00 2.44E-04 1.53E-03 Tritium CURIES 5.62E-03 2.56E-03 1.72E+02 2.67E+02 Manganese-54 CURIES O.OOE+00 O.OOE+00 8.65E-05 1.86E-05 Niobium-95 CURIES O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 Nickel-63 CURIES O.OOE+00 O.OOE+00 1.38E-03 8.74E-04 Antimony-124 CURIES O.OOE+00 O.OOE+00 8.49E-05 5.40E-04 Antimony- 125 CURIES O.OOE+00 O.OOE+00 4.89E-04 1.55E-03 Technetium-99M CURIES O.OOE+00 O.OOE+00 O.OOE+00 8.23E-06 Xenon-133 CURIES O.OOE+00 O.OOE+00 3.48E-04 6.03E-03 Xenon- 133M CURIES O.OOE+00 O.OOE+00 O.OOE+00 1.50E-04 Xenon-135 CURIES 0.00E+00 O.OOE+00 4.97E-06 1.88E-04 TOTAL FOR PERIOD CURIES 5.62E-03 2.56E-03 1.72E+02 2.67E+02 5-9

I P AfIIAACTIVIP JrTT TTT?.T RTlT 12A*T' RADIOACTIVE EFFLUENT RELEASE REPORT RPJ2fRT 2fN1 "2 2013 qfl TTTU "TrYAq P~fl1CT SOT TF" T'VXAS PROJE'-'F Liquid Effluents I

REPORT CATEGORY:

STP NUCLEAR OPERATING COMPANY Unit 1 plus 2 Total ANNUAL LIQUID RELEASES. TOTALS FOR EACH I

NUCLIDES RELEASED NUCLIDE RELEASED. FOR ALL OF 2013 UNITS I UNIT 1 2013 UNIT 2 2013 TOTAL 2013 I

ALL NUCLIDES Arsenic-76 CURIES 3.22E-04 8.88E-06 3.3 1E-04 I Cobalt-57 CURIES 0.OOE+00 2.54E-06 2.54E-06 Cobalt-58 Cobalt-60 CURIES CURIES 2.23E-04 4.31 E-03 1.25E-03 1.98E-03 1.47E-03 6.28E-03 I Chromium-51 CURIES 2.OOE-05 O.OOE+00 2.OOE-05 Cesium- 134 Cesium-137 CURIES CURIES 0.OOE+00 1.15E-04 2.96E-05 1.42E-04 2.96E-05 2.57E-04 I Iron-55 CURIES 9.84E-04 2.08E-03 3.07E-03 Iron-59 Tritium CURIES CURIES 4.03E-06 9.83E+02 0.OOE+00 1.28E+03 4.03E-06 2.27E+03 I

Manganese-54 CURIES 7.37E-05 1.92E-04 2.66E-04 Niobium-95 Nickel-63 CURIES CURIES 0.OOE+00 8.57E-03 9.66E-06 3.40E-03 9.66E-06 1.20E-02 I

Antimony- 122 CURIES 1.15E-05 0.OOE+00 1.15E-05 Antimony- 124 Antimony-125 CURIES CURIES 3.81 E-04 1.39E-03 9.49E-04 2.78E-03 1.33E-03 4.17E-03 I

Tin- 1I7M CURIES 6.83E-05 0.OOE+00 6.83E-05 Technetium-99M Xenon-133 CURIES CURIES 0.OOE+00 9.77E-04 8.23E-06 8.41E-03 8.23E-06 9.39E-03 I

Xenon- 133M CURIES O.OOE+00 2.04E-04 2.04E-04 Xenon-135 TOTAL FOR PERIOD CURIES CURIES 5.17E-05 9.83E+02 5.18E-04 1.28E+03 5.70E-04 2.27E+03 I

TOTAL Noble Gases TOTAL Excluding Tritium & Noble Gases CURIES CURIES I

1.03E-03 1.65E-02 9.13E-03 1.28E-02 1.02E-02 2.93E-02 U I

I I

I 5-10 I

I

RAflIOACTIX'F I2FPT1~12NT RFTFA~F UPPORT *'1

SOUTH TEXAS PROJECT RADIOACTIVE EFFLUENT RELEASE REPORT 2013 Solid Waste and Irradiated Fuel Shipments Solid Waste and Irradiated Fuel Shipments 6-1

I PAfl!flACTIVIZ PFPTTUNTRFrFA~1~RPPOPT .,A1 ~ CAlTHTI-IT1yAC OP(I-IZCT Solid Waste and Irradiated Fuel Shipments I

A. SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL (Not Irradiated Fuel)

1. Type of Waste Unit 12-Month Period Shipped 12-Month Period Buried Est. Total Error, %

I

a. Spent resins, filter sludges, evaporator bottoms, etc.

m3 Ci 3.36E+01 2.26E+02 3.36E+01 2.26E+02

-I.00E+00

-5.OOE+01 1.00E+00 1.50E+02 I

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

m3 3.53E+02 2.08E+01 -1.00E+00 1.00E+00 I

Ci 5.75E-02 3.19E-02 -6.60E+01 2.OOE+02

c. Irradiated components, control rods, etc.

m3 None None N/A N/A I

d. Other (Large Reactor Components Ci m3 None None None None N/A N/A N/A N/A I

and Associated Commodities)

e. Low Level Exempt Quantities of Ci

,n3 None 2.83E+01 None 2.83E+O1 N/A

-1.00E+00 N/A 1.00E+00 I

secondary resin, sludge, and oily sludge. Ci 1.53E05 1.53E-05 2.00E+01 2.00E+/-01 I

tm~tp ~4m2inr niielide enmnoCitinn (hv t~mp Afw2CtP~

a. Spent resins, filter Shipped I

sludges, evaporator bottoms, etc. Curie (Ci)

Nickel-63 Iron-55 122.737 51.940 54.30%

23.00%

I Cobalt-60 Cesium-137 Manganese-54 38.658 4.511 3.135 17.10%

2.00%

1.40%

I Cesium-134 Antimony-125 Hydrogen-3 1.723 1.311 0.714 0.80%

0.60%

0.30%

I Cobalt-58 0.283 0.10%

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

Shipped Curie (Ci)

I Chromium-51 Iron-55 0.01482 0.01374 25.8%

23.9% I Cobalt-58 0.01184 20.6%

Cobalt-60 Niobium-95 Nickel-63 0.00877 0.00179 0.00167 15.2%

3.1%

2.9%

I Zirconium-95 Manganese-54 0.00162 0.00147 2.8%

2.6% I I

6-2 I

D A TAT"* A 0T7MVI I*E7'IT TT1 TI r DUlT U*AV r D IVDn'DT iAl 2 Qý*T T- "=[*W"A C DDnM'I3't'*

D AflTC~ACTflJ12 1212121 TT121~.TT0121 12 AC12 D12DCIDT ~AI ~

Solid Waste and Irradiated Fuel Shipments

b. Dry compressible Shipped waste, contaminated equip., etc. Curie (Ci) %

continued Antimony-125 0.00058 1.0%

Iron-59 0.00055 1.0%

Cesium-137 0.00007 0.1%

Cobalt-57 0.00005 0.1%

c. Irradiated N/A components, control rods, etc. None

d. Other (Large Reactor Components None N/A and Associated Commodities)

e. Low Level Exempt Quantities of Shipped %

sewage sludge, resin and oily sludge Curie (CO _I Hydrogen-3 9.47E-06 61.9%

Beryllium-7 3.28E-06 21.5%

Cesium-137 1.38E-06 9.0%

Cobalt-60 1.11E-06 7.2%

Cesium-134 5.70E-08 0.4%

3. Solid Waste Disposition Number of Mode of Shipments Transportation Type of Waste Destination

a. Spent resins, filter sludges, evaporator Energy Solutions - Duratek Services 6 Truck bottoms, etc. 1560 Bear Creek Road

b. Dry compressible Oak Ridge, TN 37830 waste, contaminated equip., etc.

Waste Control Specialists - Compact Waste Disposal

a. Spent resins, filter Facility 7 Truck sludges, evaporator 9998 W. State Highway 176 bottoms, etc. Andrews, Texas 79714 Republic Services *

e. Low Level Exempt Blueridge Landfill 3 Truck Quantities 2200 FM 521 Fresno, Texas 77545 Note: *Shipped per Texas Commission on Environmental Quality exemption to industrial landfill.

4. Class of Solid Waste:

A, B

5. Type of Containers Used for Shipment:

General Design, Type A Containers

6. Solidifying Agent:

N/A B. IRRADIATED FUEL SHIPMENTS (Disposal)

No shipments made during this period.

6-3

RADIOACTIVE EFFLUENT RELEASE REPORT 2013 SOUTH TEXAS PROJECT Solid Waste and Irradiated Fuel Shipments INTENTIONALLY LEFT BLANK I

I i

U I

I I

I N

I I

I 6-4 I I

2013~

SOUTH TEXAS PROJECT INT RFI I2ASE REPORT R ADIOACTIVE EFFLUE Dose Accumulations DOSE ACCUMULATIONS 7-1

0 Ar'itflACTPJV 1F1~t I TFMT 0125 FA~n2 RI PART 2

'Al12 *frl lTt4 TFYKAS PPOIWCT SOUTH TEXAS PROJECT I

I RADIOACTIVE EFFLUENT RELEASE REPORT '1013 Dose Accumulations STP NUCLEAR OPERATING COMPANY

SUMMARY

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

for LIQUID, GASEOUS AND AIR I

Starting: 1-Jan-2013 Ending: 31-Dec-2013 I

I I

i I

I I

SUMMARY

OF POPULATION DOSES FOR 2013 EFFLUENT APPLICABLE ORGAN TESTIMATED POPULATION DOSE AVERAGE DOSE TO POPULATION (rem per person)

I (person-rem)

LIQUID GASEOUS TOTAL BODY TOTAL BODY 4.36E-04 3.73E-02 8.64E-08(')

3.OOE-09(4)

I NOTES:

o

(

Doses were calculated for HYPOTHETICAL receptors at the site boundary.

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

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.

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

i

"' Receptor at this location is an adult ingesting fresh water sport fish and receiving shoreline exposure from the Little Robbins Slough Area.

I 7-2 I

D Af"OTCAfTflTl 12A2T- T TErkTT Dvir V A C1" DOD(1DT inil - T'.-T

-'"S"1I* - -11t]f'f 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-2013 Ending: 31-Dec-2013 ESI LOCATION % OF LIMIT EFFLUENT APPLICABLE DOSE AGEGROUP DIST DIR APPLICABL (mrad ORGAN (mrem) AGEE LIMIT or (TOWARD) mrem)

TOTAL LITTLE LIQUID BODY 7.39E-03 ADULT ROBBINS 2.46E-01 3 SLOUGH(5 _

LITTLE LIQUID LIVER 7.42E-03 ADULT ROBBINS 7.42E-02 10 SLOUGH(5t)

NOBLE GAS AIR DOSE .06E-03 2160m W 1.06E-02 10 (gamma-mrad) I I NOBLE GAS ADOSE 4.26E-04 2160m W 2.13E-03 20 (beta-mrad) I NOBLE GAS TOTAL 7. 01E-04 ALL(') 2160m W 1.40E-02 5 BODY NOBLE GAS TOTAL 1.16E-04 ALL(2) 7200m W 2.32E-03 5 BODY NOBLE GAS SKIN 1.14E-03 ALL(') 2160m W 7.59E-03 15 NOBLE GAS SKIN 1.88E-04 ALL(-) 7200m W 1.25E-03 15 IODINE, PARTICULATES, BONE 2.29E-01 CHILD"'l 1720m NW 1.52E+00 15 TRITIUM & C-14 IODINE, PARTICULATES, BONE 7.71 E-02 CHILD(2 ) 4000m WSW 5.14E-01 15 TRITIUM & C- 14

SUMMARY

OF POPULATION DOSES FOR 2013 ESTIMATED AVERAGE DOSE TO EFFLUENT APPLICABLE ORGAN POPULATION DOSE POPULATION (rem per person)

(person-rem)

LIQUID TOTAL BODY 5.07E-04 1. 11E-07(3)

GASEOUS TOTAL BODY 4.38E+01 3.85E-09t4)

NOTES:

(I 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 at this location is an adult ingesting fresh water sport fish and receiving shoreline exposure from the Little Robbins Slough Area.

7-3

D )AinT *A ýrnTI7U 17"=1717 T TITTM DI*T V AICC IDUýDT N1.1 c*gt tTt-t TOY ^ DD/'3TE/"T I Dose Accumulations I

STP NUCLEAR OPERATING COMPANY

SUMMARY

OF MAXIMUM INDIVIDUAL DOSES Unit: 1 plus 2 I

TOTAL ACCUMULATION FOR PERIODS:

for LIQUID, GASEOUS, AND AIR I Starting: 1-Jan-2013 Ending: 31-Dec-2013 U I TOTAL 1+2 LOCATION i

APPLICABLE ORGAN J ESTIMATED DOSE ESTIMATED DOSE ESTIMATED DS ner) AGE GROUP DIST DIR

()(OAD me)~DOSE (mreni) (nfrem) (mrem) (in) (TOWARD)

I TOTAL LITTLE LIQUID TOTY 5.71E-03 7.39E-03 1.31E-02 i

ADULT ROBBINS1 BODY __SLOUGH(5 LITTLE LIQUID LIVER 5.77E-03 7.42 E-03 1.32E-02 ADULT ROBBINS NOBLE GAS AIR DOSE 2.29E-04 1.06E-03 1.29E-03 SLOUGH(')

2160m W I

(gamma-mrad)

NOBLE GAS AIR DOSE (beta-inrad) 9.89E-05 4.26E-04 5.25E-04 2160m W I

NOBLE GAS TOTAL 1.52E-04 7.01E-04 8.53E-04 ALL"' 2160m W NOBLE GAS BODY TOTAL BODY 5.88E-05 1.07E-04 1.66E-04 I

I ALL(2)

I I

4000m WSW I

NOBLE GAS NOBLE GAS SKIN SKIN 2.48E-04 9.69E-05

1. 14E-03 1.83E-04 1.39E-03 2.80E-04 ALLX)

ALL"'

2160m W 4000m WSW !

IODINE, PARTICULATES, TRITIUM & C- 14 IODINE, BONE 2.30E-01 2.29E-01 4.59E-0I CHILD(" 1720m NW I

PARTICULATES, BONE 7.76E-02 7.71E-02 1.55E-01 CHILD(2 ) 4000m WSW TRITIUM & C-14 IODINE, ES PARTICULATE PARTCULAES, T T LA TOTAL BODY 5.96E-03 7.59E-03 1.36E-02 ADULTI-U t

(2 4000m WSW I TRITIUM & C- 14

SUMMARY

OF POPULATION DOSES FOR 2013 I

ESTIMATED AVERAGE DOSE TO EFFLUENT LIQUID APPLICABLE ORGAN TOTAL BODY POPULATION DOSE (person-rem) 9.44E-04 POPULATION (rem per person) 1.98E-07(3)

I GASEOUS TOTAL BODY 8.12E-02 5.46E-09(4) 0 NOTES:

Doses were calculated for HYPOTHETICAL receptors at the site boundary.

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

()

(4)

(

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.

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

Receptor at this location is an adult ingesting fresh water sport fish and receiving shoreline exposure from the Little Robbins Slough Area.

I I

7-4 ,I

RADIOACTIVE EFFLUENT RELEASE REPORT 1013 SOUTH TEXAS PROJECT Results of Direct Radiation Measurements RESULTS OF DIRECT RADIATION MEASUREMENTS PROGRAM 8-1

I I

-Tu -

n LUJIIUI lyl ,r. r- ULrI.3"I I,.[:rt r*I £ .3UU I1 tl ntrLEnIz r I'.'JJ .. I Results of Direct Radiation Measurements STP NUCLEAR OPERATING COMPANY Onsite Direct Radiation Measurements REPORT CATEGORY: THERMOLUMINESCENT DOSIMETER MONITORING I

MONITORING STATION QUARTER STATIONS OUARTERLY RESULTS FOR 2013 TABLE 8-1 QUARTER QUARTER QUARTER AVERAGE AVERAGE I

NUMBER (Noted on Figure 8-1)

UNITS 1

milliroentgen 2

milliroentgen 3

miifliroentgen 4

milliroentgen RATE milliroentgen NET RATE milliroentgen I

per quarter per hour PROTECTED AREA I

1 12.4 12.3 11.8 12.8 12.3 0.0056 2

3 4

12.3 12.3 12.6 12.2 12.0 12.4 11.6 10.4 11.9 12.7 12.4 12.9 12.2 11.8 12.5 0.0056 0.0054 0.0057 I

5 6

7 13.5 16.9 17.9 13.0 16.5 16.6 12.6 16.4 14.8 14.9 18.1 18.4 13.5 17.0 16.9 0.0062 0.0078 0.0077 I

8 14.9 14.5 13.2 15.1 14.4 0.0066 9

10 11 13.0 11.5 9.8 11.9 11.5 9.3 11.6 11.2 8.7 13.0 12.8 9.9 12.4 11.8 9.4 0.0057 0.0054 0.0043 I

12 13 14 10.2 10.4 11.6 9.8 10.0 10.9 9.6 9.8 10.4 10.1 11.2 12.2 9.9 10.4 11.3 0.0045 0.0047 0.0052 I

15 14.0 13.7 12.7 1 14.3 13.7 0.0063 ONSITE STAGING 16 14.2 13.4 12.7 13.5 L 13.5 0.0062 I

FACILITY (OUTSIDE STORAGE WEST) 17 11.1 10.3 10.0 10.9 10.6 0.0048 I

18 19 20 11.7 11.9 13.9 10.5 10.3 13.7 10.0 10.3 12.8 10.9 11.6 13.5 10.8 11.0 13.5 0.0049 0.0050 0.0062 U

ONSITE STAGING FACILITY (WAREHOUSE D)

I 21 14.6 14.1 13.6 13.7 14.0 0.0064 22 23 24 16.0 10.8 12.8 17.5 11.4 13.3 16.1 10.7 12.3 14.6 11.2 13.1 16.1 11.0 12.9 0.0073 0.0050 0.0059 I

OLD STEAM GENERATOR STORAGE I

FACILITY 25 26 126 15.1 12.0 14.8 11.1 13.8 13.1 15.2 12.2 14.7 0.0056 0.0067 I

27 13.2 U

14.0 13.4 12.3 13.2 0.0061 28 13.9 13.3 12.9 13.4 13.4 0.0061 8-2 I

OI ITI4 TI*YA* PRCIIFCT RADIOACTIVTE EFFLUI ENT REL EASE REPORT ')013 SOTITT- TEXAS PROTECT Results of Direct Radiation Measurements MONITORING AVERAG STATION QUARTER QUARTER QUARTER QUARTER AVERAGE ERNE 1 2 3 4 RATE RAT NUMBER (Noted RATE on Figure 8-1)

UNITS milliroentgen milliroentgen -milfiroentgen inilliroentgen milliroentgen inilliroentgen I per quarter per hour ONSITE STAGING FACILITY (WAREHOUSE 44) 29 18.

16.4 16.4 17.1 16.6 0.0076 30 18.0* 16.3 16.1 17.5 16.6 0.0076 31 17.1"* 15.5 15.7 17.8 16.3 0.0075 32 18.1"* 16.7 16.8 17.9 17.1 0.0078 33 17.3* . 15.6 16.1 17.5 16.4 0.0075 34 17.5* 16.2 15.8 18.2 16.7 0.0077 35 16.9* 14.1 15.3 19.7 16.4 0.0075 36 15.9* 13.6 14.4 16.6 14.9 0.0068

The Onsite Staging Facility (Warehouse 44) startedstaging radioactivematerialduring the second quarterof 2013. The first quarterof 2013 TLD results measured background.

Notes for Onsite DirectRadiation Measurements 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 2012 exposure rate and the 1986 measured rate 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 pre-operational background rate of 15.4 mR at the site boundary in 1986 has been used to reflect the background baseline 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, dosimeter stations 6 and 7 have at times exceeded this background rate due to radioactive waste processing activities on the south side of Units 1 and 2.

Zero:

Zero (0 or 0.00) indicate background levels Milliroentgen:

Miliroentgen or mR is a unit of exposure for X-rays and gamma rays.

8-3

12 AT"IT*-*A f'Tlll*'

P? AflTflACTIXI I*I*171 l TI:"I*]'T RI:'T I*A*I*' I] I*IC*I2T E12PmITKTOT PELASE REPORT ,)Ol2 SOUTH TEXAS PROJECT Results of Direct Radiation Measurements I

I INTENTIONALLY LEFT BLANK 8-4

2013 JOINT FREQUENCY TABLES 9-1

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER 9-2

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER STABILITY CLASS A Wind Spee (MPH) ->

(1)-d (2)

CALM 1.0 (3) 3.6 (4

7.(

7 6. 12.6 1() (6) 18.6 (7) 24.6 (8) 32.6 +

I Total %, Of Avg.

-3.5 -7.5 12.5 -18.5 -24.5 -32.5 Sector Total Speed N S o o0! 4i 14t-i 4 3 - 00i 25 7.5% 11.7 6 6i 0 NNE 0ý-- 0 41 13 3.9% 11.7 NE 01 2 23 0 6 1.8% 10.0 ENE 8 2.4% 10.5 E .0 0 1 01 4 0 0 0o 0 4 1.2% 10.5 ESE 3 11 3 0 0 18 5.4% 15.6 0 0 SE 7_ 14 0 0 0ý 21 6.3% 14.2 0 0 it SSE 0 0 1 12 18 5 0 0 36 10.8% 14.3 0 0 S 19 0 76 22.9% 10.6 0 1 S464 SW S 17 6 0 O 0 0 32 9.6% 9.2 SW 0 0 3 2 0 0 0 0 5 1.5% 6.5

- 0"~- ..... 0...--.... 0ý.........

.... 0.0% 0.0 0 0 0 0 W 1 21 1 4 1.2% 16.5 WNW 0 0 2 2 11 0 0 0 5 1.5% 9.7

__ NW 0 0 4 161 .. 17 4 41 12.3% 13.3 NNW 0 0 5 17 6 10 0 F00 38 11.4% 13.1 T ta 0 1 43 155 107 26 0 0 332 I Of Tota 0.0% 0.3% 13.0% 46.7% 32.2% 7.8% 0.0%1 0.0%

Average speed for this table (MPH): 12.1 Hours in above table with variable direction 0 Total number of CALMs : 6 Total number of Invalid hours 3 Total number of Valid hours : 2157 Total number of hours for period 2160 9-3

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table From : 01/01/2013 00:00 To : 03/31/2013 23:00 I

PRIMARY TOWER I

STABILITY CLASS B I Wind Speed (MPH) ->

(1)

CALM (2) 1.0

- 3.5 (3) 3.6

- 7.5 (4) 7.6

- 12.5 (5) 12.6

- 18.5 (6) 18.6

-24.5 (7) 24.6

- 32.5 (8) 32.6 +

Total % Of Avg.

I Sector Total Speed N

NNE 0

01 0 0 11 ______

5 4

1 0

0 0

0 12 6

11.1%

5.6%

11-.21 10.21 I

I 1 F + I F NE 0 0 3 4 0 0 0 0 7 6.5% 8.5 ENE 0 0 1 0 2 0 0 0 3 2.8% 10.3 E 0 0 0 3 0 0 0 4 3.7%

I 1 12.2 ESE 0 00 00 3 6 1 0 0 10 9.3% 15.7 0 3 SE 0 0 3 6 8 0 0 0 17 15.7% 11.8 SSE 0 0

0 0

2 4

2 5

3 2

1 1

0 0

0 0 12 8 7.4%

11.1%

13.1 9.7 I

0 I

SW 0 5 0 0 0 0 0 5 4.6% 5.2 SW SW 01 01 11 0 0 0 0 0 1 0.9% 4.1 WSW 0 0 1 0 0 0 0 0 1 0.9% 4.6 W

WNW 0

0 0

1 0

2 0

1 0

0 01 0 0 5

0.0%

4.6%

0.0 7.5 I

0 0 NW NNW 0

0 0

0 1

1 1

9 1

2 1

1 0 0 13 4 3.7%

12.0%

12.2 11.3 I Total 0 1 25 46 30 6 0 0 1 08

% Of Total 0.0% 0.9% 23.1% 42.6% 27.8% 5.6% 0.0% 0,0% I Average speed for this table (MPH):

Hours in above table with variable direction 10.9 0

I Total number of CALMs :

Total number of Invalid hours Total number of Valid hours : 2157 6

3 I Total number of hours for period 2160 I

I U

9-4 I

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER STABILITY CLASS C Wind Speed (1) (2) (3) (4) (5) ((6) () (8)

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

-3.5 cto -7.5 -12.5 - 18.5 -24.5 -32.5 Total Speed torN 0 3... 8. 0 . .0 16 14.4% 10.7 NNE 0 1 5 4 .0. 0+ & 11 9.9..%. 8.5 NE 0 0 1 3 1ý 0 5 4.5% 10.3 ENE 0 0 1O 2 1.8% 9.91 E 0 0 1 2 O 0 0 . 3 2.7% 12.4 ESE 0 1 71 2 1 0 0 11 9.9% 12.0i ESE 0 0 0 3 0 0 0 6.3% 11.2 SSE 0 0 1 7 5 0 0 0 1311.7% 12.0 s 01 1lo S 0 3j 5 2 1 O~ 11 9.9% 10.91 SSW SW WSW 0

0 0

0 1

3 1

io0 0o 1

01 0

0 0

0-o0 0

0 0

4 2

2 3.6%

1.8%

7.9 4.6

3. 6:

.0... 0- 0 0 . 1 0.9% 18.3 WNW 0 -- 0 1 0 0 0 0 1 0.9% 10.4 NW 0 i{2 1 01 0 0 5 4.5%- 8.9 NNW 0 0 4 7 5 1 0 0' 17 15.3% 11.9 Total 0 4 25 50 29 3 0 0 ill

%Of Tot a1 0.0% 3.6% 22.5%1 45.0% 26.1% 2.7% 0.0% 0.0%

Average speed for this table (MPH): 10.7 Hours in above table with variable direction : 0 Total number of CALMs : 6 Total number of Invalid hours : 3 Total number of Valid hours : 2157 Total number of hours for period : 2160 9-5

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables U Joint Frequency Table From : 01/01/2013 00:00 To : 03/31/2013 23:00 I

PRIMARY TOWER U

STABILITY CLASS D I Wind Speed (MPH) ->

(1)

CALM (2) 1.0

- 3.5 -

(3) 3.6 7.5 (4) 7.6

- 12.5 (5) 12.6

-18.5 (6) 18.6

-24.5 (7) 24.6

- 32.5 (8) 32.6 + Total % Of Avg.

I Sector Total Speed N

NNE 0

0 0

1 16 10 55 42 20 9

11 0

0o 0

0 0

92 62 13.7%

9.2%

10.2 9.7 I

NE EN E 0

0 0

1 12 7

28 28 14 11 0

0 0

0 54 47 8.0%

7.0%

10.2 10.ý2 I

E 0 1 6 14 11 0 0 0 32 4.8% 10.6]

ES E SE 0

0 0

3 10 8 26 30 22 44 5

3 0

0 0 0 61 90 9.1%

13.4%

12.3 12.1 U

SS E S

0 0

2 0 10 9 26 10 47 9

2 0

0 0

86 29 12.8%

4.3%

12.2 9.9 I

SS W I

0 1 3 1 0 0 0 0 5 0.7% 5.2 0 2 3 0 0 0 0 0 SW 5 0.7% 4.1i w 0 0 2 0 0 0 0 0 WS 2 0.3% 6.0 W

WNW NW 0

0 0

0

__________ -I 1

2 0

1

-i 0

2 A

0 0

I-0 0

0 0

1 5

0.1%

0.7%

6.6 10.3:

I NNW 0

0 3

2 14 3

35 6

35 1 0 2

0 0

13 88 1.9%

13.1%

7. 5 11.5 I Total 0 16 116 302 225 13 0 0 672

% Of Total 0.0% 2.4% 17.3% 44.9% 33.5% 1.9% 0.0% 0.0% I Average speed for this table (MPH):

Hours in above table with variable direction 10.9 0

I Total number of CALMs :

Total number of Invalid hours Total number of Valid hours : 2157 6

3 I Total number of hours for period 2160 I

I 9-6 I

I

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER STABILITY 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 1 3 20 13 0 0 0 0 37 8.5% 6.7 NNE 0 2 4 13 1 0 0 0 20 4.6% 8.2 NE 00 3 5 56, 0 0 0 0 13 3.0% 6.2 ENE 0 31 16 6 0 0 0 26 6.0% 6.6 E S& 12 8 3 0o 0 0 24 5.5% 7.8 ESE 0 3 31 6 3ý 0 0 0 43 9.9% 6.6 SE 0: 2 25 11 11 0 0 0 49 11.3% 8.2 S SE 01 3 30 31 61 0 ~ 0ý -0 70 16.1% 8.1 3 0 0 0-S 0 2 21 18 44 10.1% 7.8 SSW 0 6 13: 3 0 0 0 0 22 5.1% 4.7 SW 0 . . .2.......................------

11 ......

1----.... 0 0 .... ....

0 0 14 3.2% 5.1 WSW 0 1 3 0 0 0 0 0 4 0.9% 4.5 W 0 0 2 0 0 0 0 0, 2 0.5% 5.9 WNW 0 1 5 5 3 0o 0 0 14 3.2% 9.2 NW 0 7o 0 .0 0 ...... 9 2.1% 9.4 NNW 0 0 12ý 27 3 11 0 0 43 9.9% 9.1 Tut a I 2 32 211 154 34 1 0 0 434

% Of Total 0.5% 7.4% 48.6% 35.5% 7.8% 0.2% 0.0% 0.0%

Average speed for this table (MPH): 7.5 Hours in above table with variable direction 0 Total number of CALMs : 6 Total number of Invalid hours 3 Total number of Valid hours : 2157 Total number of hours for period 2160 9-7

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table i From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER I

STABILITY CLASS F I

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

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

Sectorr N 0

-3.5 1

- 7.5 7

- 12.5 1

- 18.5 0

-24.5 0

- 32.5 0 0 9 Total 4 .6%

Speed 5.4 I

NNE NE 0

0 5

4 13 9

2 1

0 0

20 14 10.2%

7.1%

5.2

5. 1 I ENE 0 5 10 0 0 0 0 0 15 7.7% 4.1 4 5 E 0 7 29 0 0 0 0 0 36 18.4%

4.4 U

ES E 0 8 20 0 0 0 0 0 28 14.3%

SE SS E

0 0

6 2

8 15 0

0 0

0 14 17 7.1%

8.7%

4.0 5.0 I S

0 8 7 0 0 0 0 0 15 7.7%

3.8 SS SN w 0 0

5 0

1 0

0 0

6 0

3.1%

0.0%

2.8 0.0 I

WS WN w 0 0

0 0

0 1

0 0

0 1

0.0%

0.5% 6.1

2. 7 I

WN 0 2 0 0 0 0 0 0 2 1.0%

NW

ýNN 0 1 1 0 0 0 0 0 17 2 1.0%

4.1 4.5 I

0 6 10 1 0 0 0 0 8.7%

Tcotal Of 0 60 131 5 0 0 0 0 196 I

T( )tal 0.0% 30.6% 66.8% 2.6% 0.0% 0.0% 0.0% 0.0%

Average speed for this table (MPH): 4.5 I

Hours in above table with variable direction Total number of CALMs :

Total number of Invalid hours 0

6 3

I Total number of Valid hours :

Total number of hours for period 2157 2160 I I

U 9-8 I

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER STABILITY 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 -24. 5 - 32.5 Sector Total Speed N o 4 7: 0 0 0 0 11 3.6% 4.2 NNE o0 10 17 0 0 0 01 0 27 8.9% 4.1 NE 33 13 0 0 0 -o- 0 46 15.1% 3.11 ENE 0. 37 16 0 0 0 0 0 53 17.4% 3.1 E 0 30 17 1 01 0 01 0: 48 15.8% 3.4 ESE 1 20 17 0 -0 0 0 0*o 38 12.5% 3.5

-00 SE 0 24 9 o 0. 0 0: 33 10.9% 3.2 0

SSE 0 6 4 0o 0 0 0 10 3.3% 3.5 0

S 0 1 0 1 0.3% 3.4

..... F....... .......... " I' -1 0 W 0 SSW 0 0 0 1 0.3% 0.8 0: 0....0 0 0 SW 0 0ý 0 0.0% 0.0 01 0 0 0 0 01 WSW 0 0t 0 0.0% 0.0 0,0 W 0 0 3 1.0% 3.0 S4 0 WNW 0ý 0 13 4.3% 2.9 NW 0 0 00 13 4.3% 3.7 NNW 7 2 .3% 2.9]

Total 0 0 304

% Of 4 0 184 111i 3 03_1 Total i .3%: 60.5%i 37.8% 0.3% 0.0% 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 : 6 Total number of Invalid hours 3 Total number of Valid hours : 2157 Total number of hours for period 2160 9-9

Radioactive Release Effluent Report - RDRJFCA 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table I From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER U

ALL STABILITY CLASSES COMBINED I

VVind 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 + Tota 1 % Of Avg.

-3.5 -7.5 -12.5 -18.5 -24.5 -32.5 Sector Total Speed N 1 8 58 98 33 4 0 0 20 2 9.4% 9.3i NNE 0 19 50 72 18 0 0 0 15! 9 7.4% 8.1 NE 0 40 45 44 16 0 0 0 14.5 6.7% 7.0 ENE 0 46 52 39 17 0 0 0 i5s 4 7.1% 6.6 E 1 38 64 31 16 1 0 0 1511 7.0% 6.5 ESE 1 31 78 45 44 10 0 0 20O9 9.7% 8.9 SE 0 35 55 58 80 3 0 0 23 1. 10.7% 9.6 SSE 0 13 62 78 79 8 0 0 24 0 11.1% 10.5 S 0 11 56 84 35 2 0 0 18I 8 8.7% 9.2 SSW 1 13 33 22 6 0 0 0 7! 5 3.5% 6.7 SW 0 5 19 3 0 0 0 0 27 1.3% 5.1 wsw 0 2 7 0 0 0 0 0 9 0.4% 4.6 w 0 2 5 1 3 1 0 0 12 0.6% 9.8 WNW 1 12 15 10 7 0 0 0 45 2.1% 7.1 NW 0 12 18 32 20 5 0 0 8"7 4.0% 10.1 NNW 1 11 49 96 51 15 0 0 22 3 10.3% 10.5 Total 6 298 666 713 425 49 0 0 215 7

% Of Tota1 0.3% 13.8% 30.9% 33.1% 19.7% 2.3% 0.0% 0.0%

Average speed for this table (MPH): 8.7 Hours in above table with variable direction 0 Total number of CALMs : 6 Total number of Invalid hours 3 Total number of Valid hours : 2157 Total number of hours for period 2160 I

I 9-10 I

I Radioactive Release Effluent Report - RDRJFC 2013 SouthFrequency Joint Texas Project Tables I Joint Frequency Table From 04/01/2013 00:00 To : 06/30/2013 23:00 3 PRIMARY TOWER 9-11

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 04/01/2013 00:00 To : 06/30/2013 23:00 PRIMARY TOWER STABILITY CLASS A Wind Speed (MPH) ->

(1)

CALM (2) 1.0

-3.5 (3) 3.6 (4) 7.6

-12.5 (5) 12.6 (6) 18.6 (7) 24.6 (8) 32.6 + Total % Of Avg.

I

-7.5 - 18.5 -24.5 - 32.5 Sector Total Speed N 0 1 2 3 0 0 0 0 6 1.5% 8.1 NNE 0 1 1 2 0 0 0 0 4 1.0% 7.0 NE 0 1 1 0 0 0 0 0 2 0.5% 3.9 ENE 0 0 1 2 1 0 0 0 4 1.0% 8.7 E 0 0 2 2 0 0 0 0 4 1.0% 7.9 ESE 0 0 1 7 17 2 0 0 27 6.9% 14.7 SE 0 0 2 9 27 13 0 0 51 13.0% 16.0 SSE 0 0 3 35 58 2 0 0 98 25.1% 13.2 S 0 0 9 92 5 0 0 0 106 27.1% 9.8 F I- I F + I-SSW 0 0 10 24 0 0 0 0 34 8.7% 8.3 SW 0 0 3 6 0 0 0 0 9 2.3% 8.6 F- I- I +

WSW 0 0 3 3 0 0 0 0 6 1.5% 8.0 W 0 0 1 0 0 0 0 0 1 0.3% 6.51 WNW 0 0 0 2 0 0 0 0 2 0.5% 8.8 NW 0 0 0 2 1 1 0 0 4 1.0% 13.8 NNW 0 0 2 9 10 12 0 0 33 8.4%

Total 0 3 41 198 119 30 0 0 391

% Of Total 0.0% 0.8% 10.5% 50.6% 30.4% 7.7% 0.0% 0.0% I Average speed for this table (MPH):

Hours in above table with variable direction 12.0 0

I Total number of CALMs : 3 Total number of Invalid hours 60 Total number of Valid hours : 2124 Total number of hours for period 2184 9-12

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 04/01/2013 00:00 To : 06/30/2013 23:00 PRIMARY TOWER STABILITY CLASS B Wind Speed (1) (2) (3) (4) (5) (6) 7) (8)

(MPH) -> CALM 1.0 3.6 7.6 12.6 18.1 4.6 32.6 + Total % Of

-3.5 -7.5 - 12.5 - 18.5 -24 Total Avg.

32.5 Sector Speed N 0 0 2 2 1 0 0 6 4.8% 11. .3 NNE -.. - -. .° -

0 --

o-0- 4 7 0 0 0 11 8.7% 8.01 NE 0 0O 2 2 1 0 0 5 4.0% 7.9 ENE 0 0 1 1 0 0 -J0 2 1.6% 8. 9 E 0 0 0 10 1 0 01 2 1.6% 10.4 ESE 0 .... 2 62 6 0 01 10 7.9% 12.8 SE 0 0 0 10 14 0 0 24 19.0% 12. 9 SSE 0 0 0 1 15 0 0 37 29.4% 13.1 S 0 0 4 14: 0 0 0 18 14.3% 8.8 SSW 0 0 1 3 0T 0 0 4 3.2% 7.1 SW 0 01 2 0 01 0 0 2 1.6% 4.8 WSW 0 0 1 0 0 0 i0 1 0.8% 5.6 iW 0 0 1 0 0 0 0 1 0.8% 5.5 WNW 0 0 0 0 0 0i 0 0 0.0% 0.0 NW 0 0i 0 0: 0ý 0 0! 0 0.0% 0.0 NNW 0 o0 0 1 2 0 0ý 0 3 2.4% 14.61 Total 0 0 20 62 40: 01 0 126

ýk Of Total 0.0% .% 15.9% 49.2% 31.7%~ 3.2% 0.0 0.0%

Average speed for this table (MPH): 11.2 Hours in above table with variable direction 0 Total number of CALMs : 3 Total number of Invalid hours 60 Total number of Valid hours : 2124 Total number of hours for period 2184 9-13

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency TableTe From : 04/01/2013 00:00 To : 06/30/2013 23:00 PRIMARY TOWER STABILITY CLASS C I Wind Speed (1) (2) (3) (4) (5) (6) (7) (8) m (MPH) "> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ Total % Of Avg.

Sector -3.5 -7.5 - 12.5 -18.5 -24.5 -32.5 Total Speed N 0 0 2 4 2 0 0. 0 8 5.3% 10.5m NNE 0 0 2 4 0 0 0 0 6 4.0% 8.6 NE 0 0 3 3 0 0 0 0 6 4.0% 8.2: 3 ENE 0 0 1 1 0 0 0 0 2 1.3% 9.1 E 0 0 4 2 1 0 0 0 7 4.6% 8.91 ESE 0 1 4 8 8 0 0 0 21 13.9% 10.8 SE 0 0 2 8 20 3 0 0 33 21.9% 13.8 SSE 0 0 1 21 14 0 0 0 36 23.8% 11.9 S 0 0 9 5 1 0 0 0 15 9.9% 8.0 SSW 0 0 0 2 0 0 0 0 2 1.3% 8.4 SW 0 0 0 0 0 0 0 0 0 0.0% 0.0 WSW 0 0 0 1 0 0 0 0 1 0.7% 9.5 W 0 0 1 0 1 0 0 0 2 1.3% 9.8 WNW 0 0 0 0 0 0 0 0 0 0.0% 0.01 NW 0 0 0 0 0 0 0 0 0 0.0% 0.0 m NNW 0 0 2 1 8 1 0 0 12 7.9% 13.1 Total 0 1 31 60 55 4 0 0 151

% Of364 Total 0.0% 0.7% 20.5% 39.7% 36.4% 2.6% 0.0% 0.0%

Average speed for this table (MPH): 11.2 m Hours in above table with variable direction 0 Total number of CALMs : 3 Total number of Invalid hours :60 Total number of Valid hours : 2124 Total number of hours for period : 2184 I

I 9-14 I

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 04/01/2013 00:00 To : 06/30/2013 23:00 PRIMARY TOWER STABILITY CLASS D Wind Speed (1) (2 (3) (4) (5) () (7) (8)

(MPH) -> CALM 1.0 3.6 7.6 1(26 18.6 24.6 32.6 + T(,tal % Of Avq.

-3 .5 - 7.5 -12.5 - 18.5 - 24.5 -32.5 Total Speed Sector N 0, 5 12 26 1 0 0 44 6.4% 13.2 NNE 0 . 17 6 1 0 0 0 24 3.5% 7.2 NE 0 1 61 12 0 0 0 0 19 2.7% 8.7 ENE 0 4 31 12 0 0 0 -0 19 2.7% 7.5 E 0 O 8 12 4 0 0 0 24 3.5% 9.4 ESE 0 21 20 46 23 2 0 0 93 13.5% 10.4 SE 0 0 18 91 86 15 0 0 210 30.4% 12.6 SSE 0 0 19 82 25 0 0.0 126 18.2% 10.51 S 0 0 17 22 1 0. 0- 0 40 5.8% 8.0 S SW 0 0 141 4 01 0 0 0: 18 2.6% 6.5 SW 0 1 1 3 ----- 0

-o- 0 0 0 0.7% 7 .31 0

WSW 0ý 0 1 0 0 0 0J 0.1% 7.

0 W 01 2 0 0 0 0 0 2 0.3% 6.6 0

WNW 0 0 0 0 0 0 0 0 0.0% 0.0 0-NW 0 1 61 1 0 0 0 8 1.2% 10 .0 NNW 0 1 8 11- 25 13 0 0 58 8.4% 13. 7 Total 9i 139 320 192 31 0 0 691 Of T ,t al 0.0%] 1.3%/ 20.1%1 46.3%/ 27.8% 4.5% 0.0% 0.0%

Average speed for this table (MPH): 11.0 Hours in above table with variable direction 0 Total number of CALMs : 3 Total number of Invalid hours 60 Total number of Valid hours : 2124 Total number of hours for period 2184 9-15

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table From : 04/01/2013 00:00 To : 06/30/2013 23:00 I

PRIMARY TOWER I

STABILITY cLAss E I Wind Speed (MPH) ->

(1)

CALM (2) 1.0

-3.5 (3) 3.6

- 7.5 (4) 7.6

-12.5 (5) 12.6

-18.5 (6) 18.6

-24.5 (7) 24.6

-32.5 (8) 32.6 + Total % Of Avg.

I Sector Total Speed N

NNE 0

0 0

1 8

6 4 0

0 0

0 17 11 3.6%

2.3%

7.2i 6.7 I

NE ENE 0

0 4

7 5

8 1

1 0

0 0

0 10 17 2.1%

3.6%

4.9 4.6:

I E 01 31 14 2 1 0 0 0 20 4.2% 5.4 ESE SE 0

0 2

3 15 71 12 45 2 1 0 0

0 0

30 121 6.3%

25.4%

7.1i 7.1 I

SSE S

0 0

4 0

F 54 11

+

85 24 0 7

F 0

0 0

0 150 35 31.5%

7.4%

8.1 8.0 I 00 6.6 I

SSW 0 23 4 0 0 0 0 27 5.7%

0 SW 0 1 4 5 0 0 0 0 10 2.1% 7.4 WSW 0 0 1 0 0 0 0 0 1 0.2% 7.3 W

WNW 0

0 0

2 1

0 0

0 1

2 0.2%

0.4%

4.1 2.5 I

__ F +/- I I F + I NW NNW I

0 0

I 1

1 3

16 0

3 0

0 0

01 0

01 ____

0 20 4 0.8%

4.2%

4.2 5.5 I Total 0 29 240 195 12 0 0 0 476

% Of Total 0.0% 6.1% 50.4% 41.0% 2.5% 0.0% 0.0% 0.0% I Average speed for this table (MPH):

Hours in above table with variable direction 7.1 0

I Total number of CALMs :

Total number of Invalid hours Total number of Valid hours : 2124 60 3

I Total number of hours for period 2184 I

I I

9-16

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 04/01/2013 00:00 To : 06/30/2013 23:00 PRIMARY TOWER STABILITY CLASS F Wind Speed (4 (5) (6) (7) (8)

(MPH) -> 7.( 1 12.6 18.6 24.6 32.6 + Tutal % Of Avg.

-12.5 - 18.5 - 24.5 - 32.5 To tal Speed Sector N 0 0 0 0 0 7 4.6% 4.2 NNE 14 9.3% 3.7 NE 01 0 0. o 0 7 4 .6% 3.5 ENE o1 o 0 0 0 7 4 .6% 3.2 E 13 8. 6% 4.2 ESE oI o*

o 0 0-0 0-0 17 11.3% 3.3 SE o oo 0 0o 0 52 34.4% 4.4

~0 0 SSE 0 0 0 0 0 19 12.6% 4.6 S 0 0.0% 0.0 SSW 0 0o 0 0.0%

SW 0 0 0 O 01 0 0 0 0.0%

WSW o Of 0- 0 2 1.3.

0 2 0 0 0 W 1 0.7% 2.5 WNW 0 1 3 4 2. 6% 4.2 NW 0 3 0 3 2.0% 2.5, NNW 0 0 5i 3 0 0---o]o 5 3.3% 4.9 Total 0 57 91 151

% Of 2.0% 0.0% I 0.0% __

0.0%

__1 0.0%

T(,tal 0.0% 377%16 60.3%

Average speed for this table (MPH): 4.0 Hours in above table with variable direction 0 Total number of CALMs : 3 Total number of Invalid hours 60 Total number of Valid hours : 2124 Total number of hours for period 2184 9-17

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 04/01/2013 00:00 To 06/30/2013 23:00 PRIMARY TOWER I

STABILITY CLASS G I Wind Speed (MPH) ->

(1)

CALM (2) 1.0

-3.5 (3) 3.6

-7.5 (4) 7.6

- 12.5 (5) 12.6

- 18.5 (6) 18.6

-24.5 (7) 24.6

- 32.5 (8) 32.6 + Total % Of Avg.

I Sector Total Speed N 0 2 2 0 0 0 0 0 4 2.9% 3.5 NNE 0 10 6 01 0 0 0 0 16 11.6%

3.3--

3.3 NE 1 20 8 0 0 0 0 0 29 21.0%

ENE 0 25 4 2 0 0 0 0 31 22.5% 3.0 E 1 16 2 0 0 0 0 0 19 13.8% 2.2 ESE 0 10 1 0 0 0 0 0 11 8.0% 2.41

-, 4- +/- -4 SE 0 8 4 0 0 0 0 0 12 8.7% 3.11 SSE 0 2 0 0 0 0 0 0 2 1.4%

4 .4- 4---- 4 -4 4- 4 -4 S 1 0 0 0 0 0 01 0 1 -0.7% 0.4 SSW 0 1 0 0 0 0 0 0 1 0.7% 1.71 SW 0 0 0 0 0 0 0 0 0 0.0% 0.0:

4- -4 4- + -4 WSW 0 0 0 0 0 0 0 0 0 0.0% 0.0o W 0 2 0 0 01 01 l0 0 2 1.4% 1.8:

.. 01 ol o0 0 I

WNW 0 3 1 0 4 2.9% 2.8!

NW 0 1 0 0 0 0 0 0 1 0.7% 3.q5 NNW 0 4 1 0 0 0 0 0 5 3.6% 28 Total 2 0 0 0 0 138 3 104 29

% Of Total 2.2% 75.4% 21.0% 1.4% 0.0% 0.0% 0.0% 0.0%

Average speed for this table (MPH): 2.9 Hours in above table with variable direction 0 Total number of CALMs : 3 Total number of Invalid hours 60 Total number of Valid hours : 2124 Total number of hours for period 2184 9-18

Radioactive Release Effluent Report - RDRJFCA 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 04/01/2013 00:00 To : 06/30/2013 23:00 PRIMARY TOWER ALL STABILITY CLASSES COMBINED Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) - CALM .0 3.6 7.6 12.6 18.6 24.6 32.6 + Total % Of Avg.

-3.5 - 7.5 - 12. 55 -18.5 -24.5 -32.5 Sector Total Speed N 0 6 25i 30 29 2 01 92 4.3% 10.3 NNE 0 19 43 23 1 0 86 4.0% 6.0

... 1 0 NE 28 30 18 78 3.7% 5.5 0 0 ENE 0 393 22 19 82 3.9% 5.0 E 26 35 20 7 0 0 0 89 4.2% 6.1 ESE 0 26 48 76 55 4 0 0o 209 9.8% 9.6 SE 0 25 134 164 149 31 0 0 503 23.7% 10.7 SSE 0 9 93 24 119 51 468 22.0% 10.31 0 50 7 15 1 7 0 0 0. 215 10.1% 8.9 S

sSW 01 0 0 0 01 86 4.0% 7.3 SW 0 0 26 1.2% 7.6 WSW 00 0 0 0 12 0.6% 6.9 W 1 0 0 0 10 0.5% 5.5 WNW 0ý 0 0 0 0 12 0.6% 4.2 NW 0 2 1 0 0 20 0.9% 8.1 NNW 0 45 26 0 0 136 6.4% 12.3:

Total 3 418 69 2124

% of Total 0.1% 9.6%ý 27.8%1 39.5% 19 .7%1 3.2% 0.0% 0.0%

Average speed for this table (MPH): 9.3 Hours in above table with variable direction 0 Total number of CALMs : 3 Total number of Invalid hours 60 Total number of Valid hours : 2124 Total number of hours for period 2184 9-19

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 07/01/2013 00:00 To : 09/30/2013 23:00 PRIMARY TOWER I

I 9-20

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 07/01/2013 00:00 To : 09/30/2013 23:00 PRIMARY TOWER STABILITY cLAss A Wind Speed (8)

(MPH) ->

(1)

CALM (2) 1.0 (3) 3.6 (4) 7.6

.) 5) 2.6 (6) 18.6 (7) 24.6 32.6+ Total % Of Avg.

-3. 5 -7.5 -1: 2.5 18.5 - 32 .5 Sector Total Speed N 0.... 2 5 o0 0 0 01 7 2.6% 8.1 NNE 0 0 1 2 0 0 3 1.1% 7.7 t0 0 0 0 NE 1 2 0 4 1.5% 6.0 ENE 0 0 ý 0 4 1.5% 6.7 20{

E 2 1 0 0I 10 3.7% 9.2 0 13 0 ESE SE 0 o

o 2: 0 0 0o0 15 24 5.6% 13.7 9.0% 13.5 4 0 SSE 0 0 0 0 22 8.2% 11.5 38 91 0 S 0 1 3: 1 0 0 0 96 36.0% 9.7 SSW 0 0 241 0 0 0 0 62 23.2% 8.1 SW 1 5 0 0 0 14 5.2% 8.2 WsW 0i 0 1 0 0 o oi 1 0.4% 6.1 0 0 W 0 0 0 0 0 0 0 0.0% 0.0 WNW 0 o, o1 0 0 0 0.0% 0.0 NW 0 0 0 0.0% 0.0 0 0 NNW 0 0 4 1 0 0 5 1. 9% 7.0 0 0 Total 0 6 471 173 41 0 0 0 267

% Of Total 0.0% 2.2%1 17.6%1 64.8% 15.4%1 0.0% 0.0%, 0.0%

Average speed for this table (MPH): 9.7 Hours in above table with variable direction 0 Total number of CALMs : 5 Total number of Invalid hours 26 Total number of Valid hours : 2182 Total number of hours for period 2208 9-21

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project m Joint Frequency Tables Joint Frequency Table From : 07/01/2013 00:00 To : 09/30/2013 23:00 PRIMARY TOWER I STABILITY CLASS B m Wind Speed (1) (2) 1 (3) (4) (5) (6) (7) (8) 1 (MPH) -> CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ Total % Of Avg.

Sector N 0

_.., ....... 21

-3.5 0

-7.5 2

0 0 - * -.....

-12.5 0

-18.5 0

-24.5 0

-32.5 0 0 l . ...i.. .........

2 Total 1.6%

Speed 6.3

...1 NNE 0 0 2 4 0 0 0 0 6 4.8% 9 NE 0 1 2 1 0 0 0 0 4 3.2% 6.4 ENE 0 1 3 2 0 0 0 0 6 4.8% 6.1 E 0 0 2 2 5 0 0 0 9 7.2% 11.5 ESE 0 0 0 4 15 0 0 0 19 15.2% 13.

SE 0 0 2 10 11 0 0 0 23 18.4% 11.7 SSE 0 0 0 5 1 0 0 0 6 4.8% 10.6 s 0 0 11 13 0 0 0 0 24 19.2% 8.0o SSW 0 0 9 5 0 0 0 0 14 11.2% 6.6 SW 0 0 5 1 0 0 0 0 6 4.8% 6.0 WSW 0 0 0 0 0 0 0 0 0 0.0% 0.0 w 0 0 0 0 0 0 0 0 0 0.0% 0.0 WNW 0 1 0 0 0 0 0 0 1 0.8% 3.4j NW 0 0 1 0 0 0 0 0 1 0.8% 4.7 NNW 0 0 4 0 0 0 0 0 4 3.2% 6.11 Total 0 3 43 47 32 0 0 0 125

%OfI Total 0.0% 2.4% 34.4% 37.6% 25.6% 0.0% 0.0% 0.0%

Average speed for this table (MPH): 9.41 Hours in above table with variable direction 0 Total number of CALMs 5 Total number of Invalid hours 26 Total number of Valid hours 2182 Total number of hours for period 2208 9-22

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 07/01/2013 00:00 To : 09/30/2013 23:00 PRIMARY TOWER STABILITY CLASS C Wind Speed (1) (2) (3) (4) (5) T (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 Sector Total Speed N 0 0 1 0 0 0 2 1.4% 6.2 1 0 NNE 0 0. 2 5 0 0 7 5.0% 8.4 NE 0 0 4 4 0 0 0 0 8 5.7% 7.0-6 ENE 0 1 6 6 0 0 0 0 0 13 9.2% 7.0 E 0 0l 1T 1-- 3 0 .... ...........

.0 .... 0 15 10.6% 11.5 ESE 0 01 21 5 3 0 0 0 19 13.5% 12.6 11 5 0l 0+

SE 16 11.3% 11.6 SSE 8 2 10 7.1% 11.4 S 16 0 19 13.5%

SSW 0 0 8 5.7% 58.

SW 1 0 0 0 0 6 4.3% 6.1, 1 4 WSW 0 1 0 6 4.3% 5.6 0 0 0 W 0 0 2 0 0 0 2 1.4% 4.71 WNW 0 51 3 0 0~ 0 0 01 8 5.7% 3.6:

NW 0 10 0 0 0 0 0 0 1 0.7% 3.3 NNW 0 0- 1 0 1 0.7% 10. 0 0

Total 10 391 67 25 0 0 0 141

% Of Tot a I 0.0% "7.1% 27.7% 47. 5% 17.7% 0.0% 0.0% 0.0%

Average speed for this table (MPH): 8.9 Hours in above table with variable direction 0 Total number of CALMs : 5 Total number of Invalid hours 26 Total number of Valid hours : 2182 Total number of hours for period 2208 9-23

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 07/01/2013 00:00 To : 09/30/2013 23:00 PRIMARY TOWER STABILITY CLAss D Wind Speed (1) (2) (3) (4) (5) (6) (7)

-(7) 24.6 1 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 21 8 10 5 0 0 25 4.4% 8.5 NNE 0 4 13 18 3 0 0 0 38 6.7% 7.61 NE 0 6 36 12 0 0 0 0 54 9. 6%

ENE 0 2 21 17 1 0 0 0 41 7.3% 7.3 6i.2 E 0 2 14 26 15 0 0 0 57 10.1% 9.9 ESE 0 0 11 31 28 1 0 01 0 70 12.4%

SE 0 2 16 59i 15 0 0 92 16.3% 9.9 SSE 0 0 10 34 5 0 0 0 49 8.7% 9.7 S 0 0 16 51 1 0 0 0 68 12.0% 8.4 SSW 0 2 22 9 0 0 0 0 33 5.8% 6.6 SW 0 2 6 6 0 0 0 0 14 2.5% 7.1 WSW 0 3 1 0 0 0 0 0 4 0.7% 3.7 i W 0 0 2 0 0 0 0 0 2 0.4% 5.6 WNW 0 1 2 01 0 0 0 0 3 0.5% 4.6 NW 0 4 . . 0.0 .0 0 0 5 0. 9% 4.1 K NNW Total 0

0 3

30 4

186 3

276 0

73 0

0 0

0 0 0 10 565 1.8%

% Of Total 0.0%1 5.3% 32.9% 48.8% 12.9% 0.0% 0.0% 0.0%

Average speed for this table (MPH): 8.6 Hours in above table with variable direction 0 Total number of CALMs : 5 Total number of Invalid hours 26 Total number of Valid hours : 2182 Total number of hours for period 2208 9-24

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 07/01/2013 00:00 To : 09/30/2013 23:00 PRIMARY TOWER STABILITY CLASS E Wind Speed (MPH) -> CALM _

-(2) 1.0 (3) 3.6 (4) 7.6 (5) 12.6 (6

1.

(7)

I24.6 1(8) 32.6 + Total Of Avg.

-3.5 - 7.5 - 12.5 - 18.5 -24.5 - 32.5 Total Speed Sector 18f 1[ 0 N 5 1: 0 0 25 3.8% 5.3 0 21 0 NNE 8 2 9 47 7.1% 6.2 0ý 01 NE 71 42: 4 0 0 53 8.0% 5.1 0 0 0ý ENE 2ý 42 0 0 49 7.4% 6.0

-0 0 01 E 0 - 41 211 36 5.4% 6.6 01 ESE 01 25 9 0 0 34 5.1% 6.7 SE 3 38 21: 101i 63 9.5% 6.8 SSE 2 _ 55 601 0 0 118 17.9% 7 .4 S 0 -1'~ 68 491 1 0 118 17.9% 7.1 SSW 0 o1 80 5 0 0 0 o 85 12.9% 5.8 SW 31 7 2 %

01 0010 12 1.8% 5.5 0 0 WSW 0 2 3 0 0 5 0.8% 4.1 W

WNW i. 1 1

0ý

. 1 0

0 0i 0

0 0 0 2 1 0.2% 2.5 3.6 NW < ;2 1 0

-1..13 40 0 0 0. 4 0. 6% 3.8 NNW 1 8 0 0 9 1.4% 3.9 0

To t a I 42 438 . .. 17 -5 1 6 661

%Of 0.0%

Total 6.4% 66.3% 26.5% 0.9% 0.0% 0.0 % 0.0%

1 Average speed for this table (MPH): 6.4 Hours in above table with variable direction 0 Total number of CALMs : 5 Total number of Invalid hours 26 Total number of Valid hours : 2182 Total number of hours for period 2208 9-25

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables I From Joint Frequency Table

07/01/2013 00:00 To : 09/30/2013 23:00 I

PRIMARY TOWER I STABILITY CLASS F I Wind Speed (MPH) ->

(1)

CALM (2) 1.0

-3.5 (3) 3.6

- 7.5 (4) 7.6

-112.5 (5) 12.6

- 18.5 (6) 18.6

- 24.5 (7) 24.6

- 32.5 (8) 32.6 +

Total % Of Avg.

I Sector Total Speed N

NNE 0ý

________-F 0

5 5

17 3

34 22 0

0F 0

0 0

0+

0 04 0

0 0

00 39 8 3.0%

14.4%

3.5 3.9 I

NE ENE 0

0 1~

24 19f 34 34 121 _____

1 1

0 0

of 0

00 0

0 0

0 1

59 33 21.9%

12.2%

3.7 5.4 I

6 0 0 00 6 0 0 I

E 17 0 0 0 23 8.5% 3.0 4 + -+ 4 ~-

ESE 0 18 2 0 0 0 0 0 20 7.4% 2.5 SE 0 21 10 0 0 0 0 0 31 11.5% 3.1 SSE S

0 0

6 4

29 4

0 0

35 8

13.0%

3.0%

4.2 3.3 I

SSW 1 0 0 0 0 0 0 0 1 0.4% 0.9 SW 0 1 1 0 0 0 0 0 2 0.7% 2.5 WSW 0 1 0 0 0 0 0 0 1 0.4% 2.8 W 0 0 0 01 0 0 0 0 0 0.0% 0.0 WNW 0 2 0 01 0 0 0 2 0.7% 3.1 0

NW 0 3 1 0 0 0 0 4 1.5% 2.91 NNW 0 3 1 0 0 0 0 0 4 1.5% 2.5 Total 2 141 125 1 0 0 0 1 270

% Of Total 0.7% 52.2% 46.3% 0.4% 0.0% 0.0% 0.0% 0.4%

Average speed for this table (MPH): 3.7 Hours in above table with variable direction 0 Total number of CALMs : 5 Total number of Invalid hours 26 Total number of Valid hours : 2182 Total number of hours for period 2208 9-26

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 07/01/2013 00:00 To : 09/30/2013 23:00 PRIMARY TOWER STABILITY 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 9 Of Avg.

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

-+......

N 0 0 0 0 0 16 10.5% 2.7 1

NNE 36 44 28.8% 2.8 0 26 0 0 - 0- - 00 29 19.0% 2.6 NE 0 0 0 0 0 ENE 17 17 11.1% 2.1

0. 0 0 0 01 E 0 10 1 0 0, 0 0o 0 11 7.2% 2.9 o o oi o ESE 0 4 0 4 2.6% 2.5 SE 1 4 2 7 4.6% 2.9 07 0~ 0 01 0 S SE 0 1 1 2 1.3% 3.3 0 0 0 S 0 0 0 0 0' 0 0.0% 0.0 SSW 0 o0 0 o0 ol 0 0.0% 0.0 SW 0 0 0 0 0 0 0 0 0 0.0% 0.0 WSW 0...... --- 1. 0 o o~ 01o _ _of o 0 0.0% 0.0 W 0 0 0 O 1 0.7% 1.3 WNW 0 3* 1 4 2.6% 2.1 NW 0 6 5 o0 0.

01 00o oI 001 o0 oj 00 11 7.2% 3.0 NNW 0 J7 0 0 0 0 0, 0 7 4.6% 2.5 Total 3 127 23 153

% Of Tot al 2.0% 83.0% 15.0% 0.0%! 0.0% 0.0% 0.0% 0.0%

Average speed for this table (MPH): 2.6 Hours in above table with variable direction 0 Total number of CALMs : 5 Total number of Invalid hours 26 Total number of Valid hours : 2182 Total number of hours for period 2208 9-27

Radioactive Release Effluent Report - RDRJFCA 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table I From : 07/01/2013 00:00 To : 09/30/2013 23:00 PRIMARY TOWER I

ALL STABILITY CLASSES COMBINED I

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

I (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 1 24 37 17 6 0 0 0 85 3.9% 5.8 NNE 1 65 75 5 0 0 0 184 8.4% 5.4 NE 0 65 123 23 0 0 0 0 211 9.7% 4.8 ENE 43 85 32 1 0 0 1 163 7.5% 5.91 E 0 35 47 50 29 0 0 0 161 7.4% 7.9 ESE SE 0

1i 22 30 41 69 49 104 69 52 0

0 0

0 181 256 8.3%

11.7%

9.8 8.7 SSE S

0 9 6

95 105ý 125 220 13 2

0 0

0 242 11.1%

0 -------

333 15.3%

8.0 8.2 I 1 3 142 57 0 0 203 9.3% 6.6 SW WSW 0

0 8 7

28 9

18 1

0 0

01 0

0-0 54 17 -0.8%

2.5% 36.6

-4.6 I

W WN 0

0 I

2 13 4

7 0

0 0

01 I

0 0 20 6 0.3%

0.9%

4.1 3.4 I

NW 0 13 13 0 0 0 oti 0 26 1.2% 3.4 I

0 0]

NNW 0 14 21 5 0 0 40 1.8% 4.71 Total 5 359 901 739 177 0 0 1 2182

% Of Total 0.2% 16.5% 41.3% 33.9%1 8.1% 0.0% 0.0% 0.0% i Average speed for this table (MPH):

Hours in above table with variable direction 7.1 0

I Total number of CALMs : 5 Total number of Invalid hours Total number of Valid hours : 2182 26 I

Total number of hours for period 2208 I

I 9-28 I

2013 South Texas Project I Radioactive Release Effluent Report - RDRJFC Joint Frequency Tables I _ _ Joint Frequency Table From:

I 10/01/2013 00:00 To PRIMARY TOWER

12/31/2013 23:00 I

I I

I i

I I

I 9-29

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table From : 10/01/2013 00:00 To : 12/31/2013 23:00 I

PRIMARY TOWER I

STABILITY CLASS A I Wind Speed (MPH) ->

(1)

CALM (2) 1.0

-3.5 (3) 3.6

-7.5 -

(4) 7.6 12.5 -

(5) 12.6 18.5 (6) 18.6

-24.5 (7) 24.6

- 32.5 (8) 32.6 + Total % Of Avg.

I Sector Total Speed N

NNE 0

0 0

0 4

1 10 3

t 16 0

i 0

0

+

0 0

30 4

25.9%

3.4%

11.8] I NE ENE 0

0 0

0 1

1 1

5 0

0 0

0 6 1.7%

5.2%

9.-0 9.3 I E 0] 0 0 6 5.2%

U 0 0 0 0 6 10.9 I + A ESE 0 0 3 5 0 0 0 0 8 6.9% 8.5 SE 0 0 0 4 1 0 0 0 5 4.3% 11.0 SSE S

0 0

0 0 2 2 5 5

_____ F-5 1

0 0

I 0

0

+

0 0

12 8

10.3%

6.9%

11.0 8.9 I

SSW SW WSW 0

0 0

0 0 8

1 1

4 0

0 2

0 0

7 9 7.8%

6.0%

5.7 11.2 0.0 I

0- 0.0%

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

WNW 0 1 0 0 0 0 0 0 1 0.9% 3.5 NW 0 0 1 2 1 0 0 0 4 3.4% 1.1 t I F -l NNW 0 0 1 6 5 2 0 0 14 12.1% 13.11 Total 0 1 25 57 31 2 0 0 116

% Of Total 0.0% 0.9% 21.6% 49.1% 26.7% 1.7% 0.0% 0.0%

Average speed for this table (MPH): 10.5 Hours in above table with variable direction 0 Total number of CALMs :

Total number of Invalid hours Total number of Valid hours : 2201 4

7 I Total number of hours for period 2208 9-30

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 10/01/2013 00:00 To : 12/31/2013 23:00 PRIMARY TOWER STABILITY CLASS B Wind Speed (MPH) ->

(1)

CALM (2) 1.0 J(3) 3.6 7.676 1(5) 12.6 18.66 24.

,24.6 (8) 32.6+ Total % Of Avg.

-3.5 - 7.5 - 12.5 - 18.5 -24.5 32.5 Total Sector Speed N 5 80 0 0 18 15.4% 11.5i NNE 8 0 0ý 0 40 10 8.5% 8.6 NE 0 0 5 4.3% 6.6 7 5 ENE 0 0 5 4.3% 10.5:

3 0 0 E 01 0 6 5.1% 12.3 ESE 5 0 01 0 0 9 7.7% 8.1 SE 0 .......

--- .ý n

13 11.1% 11.9 3-- 1 0 0 0 S SE 23 19.7% 11.0 0 0 6 .o5 S 02 0: 0 8 6.8% 8.5 00 0t SSW 1 0 0 01 4 3.4%

o o o SW 0 1 0. 0.0 0

WSW 0 o0 0 0.0% 0.0 W 0 o0 1 0.9% 3.51 0 0 -0ý WNW 0ý 0 3 2.6% 4.5 NW 0 1 0 0 0 3 2.6% 8.2 NNW 3 2 0 8 6.8 10.3 To t al 61 21 0 0 0 117

% Of Total 52.1% 17.9% 0.0%1 0.0 % 0.0%

Average speed for this table (MPH): 9.9 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 7 Total number of Valid hours : 2201 Total number of hours for period 2208 9-31

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables I From Joint Frequency Table

10/01/2013 00:00 To 12/31/2013 23:00 I

PRIMARY TOWER I STABILITY CLASS C I Wind Speed (MPH) ->

(1)

CALM

- 3.5 -

(3) 3.6 7.5 (4) 7.6

-12.5 (5) 12.6

- 18.5 (6) 18.6

- 24.5 -

(7) 24.6 32.5 Total % Of Avg.

I Sector Total Speed N

NNE 0 0

2 5

6 9

2 5

0 0

0 t~(8) 0 20 10 15.7%

7.9%

9.6 ..

6.01 I

£ 0 6.91 NE 0 0 6 2 0 0 0 8 6.3%

I1 I + I 0 ENE 0 1 2 3 0 0 0 6 4.7% 6.5 E 0 0 1 3 4 0 0 0 03 40 00 8 6.3% 11.4 ESE 0 1 0 0 0 0 0 0 1 0.8% 22.5~

SE 1 1 14 7 0 0 0 23 18.1% 10.7 0

S SE 0 2 8 1 0 0 0 11 8.7% 9.6l S 0 2 4 2 1 0 0 0 9 7.1% 6.8i N

SSW 1 5 I 0 0 0 0 7 5.5% 6.0 A 0 t F 5 1 A 1 F 0+ 0A 0 0 SW 00 0 0 1 1 0 0 0 0 2 1.6% 6.1 WSW W

0 0

4-0 0

0 0

F 0

0 0

0 0.0%

0.0%

0.0 0.0 I

WNW 0 1 0 0 0 0 0 0 1 0.8% 2.8 NW 0 0 2 2 3 1 0 0 8 6.3% 12.8 U

' A F I I i NNW - 0 1 4 3 5 0 0 13 10.2% 10.6 Total

% Of 0 11 39 50 26 1 0 0a 127 I

Total 0.0% 8.7% 30.7% 39.4% 20.5% 0.0% 0.0%

Average speed for this table (MPH):

I 9.1 Hours in above table with variable direction Total number of CALMs :

Total number of Invalid hours 0

4 7

I Total number of Valid hours :

Total number of hours for period 2201 2208 !

I I

9-32 I

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 10/01/2013 00:00 To : 12/31/2013 23:00 PRIMARY TOWER STABILITY CLASS D Wind Speed (MPH) ->

(1) (2) 1(3) (4) (5) (6) (7) (8)

CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6+ T~tal % Of Avg.

-3.5 -7.5 - 12.55 -18.5 - 24.5 I -32.5 Sector Total Speed N 72 58 0 183 23.6% 10.2 0 0 NNE 41 14 1 0 0 103 13.3% 8.6 ol o NE 25 1 1 59 7.6% 7.6 01:

ENE 20 0 0 0i 29 3.7% 8.8 E 12 10 0 32 4.1% 10.0 ESE 14 0 0 0 38 4.9% 9.2 SE 25 -18 0 0 0 56 7.2% 10.2 SSE 16 9 0 0o 0l 44 5.7% 8.9 S 9 2 0 22 2.8% 7.6 SSW 4 0 0: 0 0 16 2.1% 5.7 SW 0ý 0 0i 1 0.1% 4.4 WSW 0 0 2 0.3% 9.0 W 2 0.3% 4.1 WNW 0 2 2 0 01 5 0.6% 6.2 NW 0i 2 14 1.8% 12.2 NNW 3.18 86 5 0 00 0 -

0 170 21.9% 11.3 To t a 1 32{ 218 328 7 0 0 776

% Of Total 4.1%: 28.1% 42.3% 24.6% 0.9% 0.0% 0.0%

Average speed for this table (MPH): 9.7 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 7 Total number of Valid hours : 2201 Total number of hours for period 2208 9-33

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 10/01/2013 00:00 To 12/31/2013 23:00 PRIMARY TOWER I

STABILITY CLASS E U Wind Speed (MPH) ->

(1)

CALM (2) 1.0

-3.5 (3) 3.6

-7.5 (4) 7.6

- 12.5 (5) 12.6

- 18.5 (6) 18.6

- 24.5 (7) 24.6

- 32.5 (8) 32.6 + Total % Of Avg.

I Sector Total Speed N 0 2 12 8 3 0 0 0 25 4.7% 7.7 NNE 0 6 16 9 0 0 0 0 31 5.8% 6.0 NE 21 0 0 0 0 56 10.5% 6.7 0 5 30 ENE 0 10 26 15 0 0 0 0 51 9.6% 6.1 E 0 7 23 F

2

+

0 A

0 F

0 0* 32 6.0% 4.9 ESE 0 2 16 15 0 0 0 0 33 6.2% 7.1 0I A + + 0A-- 0 0

SE 0 5 34 27 2 0 0 68 12.8% 7.2 SSE 0 3 26 25 3 0 0 0 57 10.7% 7.6 S 0 3 27 7 0 0 0 0 37 7.0% 5.9 00 3 27 7 0 0 SSW 0 55 15 5 0 0 0 0 25 4.7% 5.2 0 0 SW 0 0 8 4 1 0 0 0 13 2.4% 6.8

+ F +

WsW 0 2 5 0 0 0 0 0 7 1.3% 4 .6 W 0 0 0 0 0 0 0 0 0 0.0% 0.0 WNW 0 3 3 0 0 0 0 0 6 1.1% 3.5 NW 0 0 4 4 0 0 0 0 8 1.5% 7 .5 NNW 0 3 57 22 1 0 0 0 83 15.6% 6.5 Total 0 56 302 164 10 0 0 0 532

% Of 56.8%

Total 0.0% 10.5% 30.8% 1.9% 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 : 4 Total number of Invalid hours 7 Total number of Valid hours : 2201 Total number of hours for period 2208 I

I 9-34 I

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 10/01/2013 00:00 To : 12/31/2013 23:00 PRIMARY TOWER STABILITY cLAss F Wind Speed (1) - (2) () () (5) (6) (-7) 1(8)

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

- 3.5 -7.5 -12.5 -18.5 - 24.5 -32.5 Sector Total Speed N 01 23 10o 1 0 0 0 0 14 6.3% 5.9 NNE 0 2 14L 0- 0 0 0 0 16 7.2% 4.8 NE 0 7 18' 01 0 25 11.2% 4.7 0 61 ENE 0 11 162 0' 0 0 27 12.1% 4.0 E 12 0o 24 10.8% 3.5 1 0 0 ESE 0 1 16 0 0 25 11.2% 4.5 0 0 SE 0 6 31 0 0 46 20.6% 4.7 0 1 SSE 71 4 0o 0 0 0 14 6.3% 5.2 S 0 0 3 0 0 0 3 1.3% 4.1 SSW 0 1 2 o 0 0 0 0 3 1.3% 2.91 0 0 SW 0 0 0 0 0 0 0.0% 0.0 0 0, WSW 0i 0 0 0 0 0 0 0.0% 0.0 0

W 0.00 30%2 0 0 0 2 0.9% 2.1 0 0

+0 WNW 0 1 0 0 0 0 0 1 0.4%

0 NW 0 0 3 2 0 0 0 5 2.2% 6. -7 0

NNW 0 3 13 2 0 0 01 18 8.1% 5.5 0

Total 01 67 145 11 0 0 223 0

% Of T(,tal 0.0% 30.0% 65.0% 4.9%1 0.0%1 0.0% 0.0% 0.0%

Average speed for this table (MPH): 4.6 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 7 Total number of Valid hours : 2201 Total number of hours for period 2208 9-35

Radioactive Release Effluent Report - RDRJFC 2013 South Texas Project Joint Frequency Tables I From Joint Frequency Table

10/01/2013 00:00 To : 12/31/2013 23:00 I

PRIMARY TOWER I

STABILITY CLASS G I Wind Speed (MPH) ->

(1)

CALM (2) 1.0

-3.5 (3) 3.6

-7.5 -

(4) 7.6 12.5 (5) 12.6

- 18.5 (6) 18.6

-24.5 (7) 24.6

-32.5 (8) 32.6 + Total % Of Avg.

I Sector Total Speed N

NNE 0

0 11 21 9

22 0

0 0

0 20 43 6.5%

13.9%

3.8 4.1 I

NE 0 0

49 42 20 16 0

0 0

0 69 58 22.3%

18.7%

3.3 3.1 3

31 6 U

E 1 0 0 0 0 0 38 12.3% 2.7 ESE 1 17 8 0 0 0 0 0 26 8.4% 2.7 SE 0 9 3 2 0 0 0 0 14 4.5% 3.6 SSE S

0 0

F 1

2 4

1 1

-4 0

0 0

0 2

3 0.6%

1.0%

3.2 2.9 I

SSW SW WSW

-I 0

0 0

F 2

0 0

0 0 0 0

0 0

2 0

0 0.6%

0.0%

2.91 0.0 0.0 I

W

-l 0

F 0

4 0

-~

0 0 0 0 0 0.0% 0.0 I

K WNW 0 2 0 0 0 0 0 0 2 0.6% 2.2 NW NNW 1

1 12 7 3 6

0 3

0 0

11 22 3.5%

7.1%

3.0 4.3 I Total 4 206 95 5 0 0 0 0 310

% Of Total 1.3% 66.5% 30.6% 1.6% 0.0% 0.0% 0.0% 0.0% I Average speed for this table (MPH):

Hours in above table with variable direction 3.3 0

I Total number of CALMs :

Total number of Invalid hours Total number of Valid hours : 2201 4

7 I Total number of hours for period 2208 I

I 9-36

Radioactive Release Effluent Report - RDRJFCA 2013 South Texas Project Joint Frequency Tables Joint Frequency Table From : 10/01/2013 00:00 To : 12/31/2013 23:00 PRIMARY TOWER ALL STABILITY CLASSES COMBINED Wind Speed (1) (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM in 3.6 7.6 12.6 18.6 24.6 32.6 Total % Of I

-3.5 -7.5 -18.5 -24.5 Avg.

-,12.5 - 32.5 Sector Total Speed N 24 91 105 90 0 0 310 14.1% 9.6 0 0 NNE 371 102 63 1 0 217 9.9% 6.9 1

-0 NE t 1 64 109 491 1 224 10.2% 5.7 0

ENE 66 67. . . ... + .........

48 11 .... ................

01 0o' .............. 182 8.3% 5.5 0:

E 53 49 26 17 146 6.6% 6.1 0

32 ..... 38 12 0 0 S0 140 6.4% 6.5 ESE SE "0 0 0oi 225 10 .2-% 7.9 S SE 57 80 18 0 0 0 163 7.4% 8.6 9

S 49 27ý 5 0 0 00i 90 4.1% 6.7 S SW 11 44 11 0 0 0 01 66 3.0% 5.4 J0 0 0 SW 0 11 10 3 24 1.1% 8.0 0 0 WSW 2 6 0 1 9 0.4% 5.5 0!

W 3 2 0 0 5 0.2% 3.2 WNW 1 11 7 0 1 0 l - oT 0 19 0.9% 4.1 01 0 0 NW 8 16 14 13 53 2.4% 8.8 NNW 22 102 125 71 7 0 ý0 328 14.9% 9.3 Total 0.2% 379 853 676 2791 10 0 2201 Of Total 17.2% 38.8% 30.7% 12.7% 0.5% 0.0%: 0.0%

Average speed for this table (MPH): 7.4 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 7 Total number of Valid hours : 2201 Total number of hours for period 2208 9-37

Radioactive Release Effluent Report - RDRJFB 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER 9-38

Radioactive Release Effluent Report - RDRJFB 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER STABILITY CLASS A Wind Speed (4) (6) (7) (8)

(MPH) -> 7.6 18.6 24.E 32.6 + Ttal % Of Avg.

- 32

- 12.5 -24.5 .5 Total Speed Sector N 0 11 0 0 1 6.7% 11.0 0-NNE 0 0 0 0 0.0% 0.0 0 0 NE 0 0 0.0% 0.0 0 0 0 ENE 0 0.0% 0.0 E 1 6.7% 10.6 2 13.3% 8.9 SE 01 0 0 0 0.0% 0.0 SSE 0: 0 o 0 0 0 0.0% 0.0 S 0 0 0.0% 0.0 S SW 0o 0 0.0% 0.0 0*

SW -1 0 0.0% 0.0 0

WsW 0 0.0% 0.0 W ý0 0 0.0% 0.0 WNW 0 0 0.0% 0.0 NW 0! 7 46.7% 13.3 NNW 4 26.7% 12.4 To t aI 0 0 0 0 15 To Of Tot aIL 0% 0.0% 0.0% 0.0%

O Average speed for this table (MPH): 12.1 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 115 Total number of hours for period 115 9-39

Radioactive Release Effluent Report - RDRJFB 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER STABILITY CLASS B I Wind Speed (MPH) ->

(1)

CALM (2) 1.0

- 3.5 (3) 3.6

-7.5 (4) 7.6

- 12.5 -

(5) 12.6 18.5 -

(6) 18.6 24.5 (7) 24.6

- 32.5 1(8) 32.6 + Total % Of Avg.

I Sector Total Speed N 0 0 0 1, 1 20.0% 9.8 0 0 0 0 NNE 0 01 0 0 0 0 0 0 0 0.0% 0.0 NE 0 0 0 0 0 0 0 0 0 0.0% 0.0 ENE 0 0 0 0 0 0 0 0 0 0.0% 0.0 E 0 0 0 0 0 0 0 0 0 0.0% 0.0 4 .4 4. 4 4. 4. .4 .4 ESE 0 0 0 1 0 0 0o 0 1 20.0% 10.4 SE 0 0 1 1 0 01 0 0 2 40.0%

8.61 0 - - 0 0 0 .

SSE 0 0 0 0 0 0.0%

0.0

[S 0 0 0 0 0 0 0 0 0 0.0% V 0*0 SSW 0 0 0 0 0 0 0 0 0 0.0% 0.0 1 4. 4 + 4.-

0.0%----

SW 0 0 0 0 0 0 0 0 0 0.0 0.0%

WSW 0 0 0 0 0 0 0 0 0 0.0 0.0%

W 0 0 0 0 0 0 0 0 0 0.0 0.0 WNW 0 0 0 0 0 0 0 0 0 0.0; NW 0 0 0 0 0 00 0 0 0 0.0% 0.0 NNW 0 0 0 1 0 01 0 0 1 20.0% 9.5ý Total 0 0 1 4 0 0 0 0 5

% Of Total 0.0% 0.0% 20.0% 80.0% 0.0% 0.0% 0.0% 0.0%

Average speed for this table (MPH): 9.4 I

Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 115 Total number of hours for period 115 9-40

IRadioac tive Release Effluent Report - RDRJFB Batch Release 2013 South Texas Project Joint Frequency Tables Joint Fre,quency Table - Batch Release Hours U From 01/01/2013 00:00 PRIMARY TOWER To : 03/31/2013 23:00 STABILITY CLASS C Wind Speed (1C (2) (3) (4) (5) (6) (7) (8)

(MPH) -> CALM 1.0 3.6 76 12.6 18.6 24.6 32.6+ Ttal % Of Avg.

1-3.55 -7.5 -12.5 -18.5 -24.5 -32.5 Total Speed Sector N 0 1 0 0 0 01 1 20.0% 10.4

-t --

NNE 0 o 0 . 0 0 0 0 0.0% 0.0 NE o .......... :

Ct:: 01 0 01 0 0.0% 0.0 0 0 0 C ENE 0 _0, 0 0 0.0% 0.0 0 0.0% 0.0 1 20.0% 10.3' SE 0 01 0 0.0 0ý SSE 0 0 0 0 0.0% 0. 0 S 0 0 0 0.0% 0.0 SSW 0 0 0 0 0.0%lz 0.01 0.00 SW 001 0ý 0 0 0 0.0% 0.101 WSW 0 - 0 0 0.0% 0.0 0 0 W 0 0.0% 0.0ý 0 0 WNW 0 0. 0 0 0 NW 2 40.0 13.9 1 7. 8 NNW 20.0%

Tut al 5 4: 1 0 0

% Of T*t al 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 0 Total number of Valid hours : 115 Total number of hours for period : 115 9-41

Radioactive Release Effluent Report - RDRJFB Batch Release 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table - Batch Release Hours I From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER I

STABILITY CLASS D I

Win nd Speed (1) (2) (3) (4) (5) (6) (7) (8)

I (MPIH) . CALM 1.0 3.6 7.6 12.6 18.6 24.6 32.6 + Total % Of Avg.

Seictor N 0

-3.5 0

-7.5 0

-12.5 3

- 18.5 0

-24.5 03

- 32.5 0 0 3 Total Speed 7.7% 11.3 I

i i NNE NE 0

0 0

0 C3 C

3 3

0 0

0.0%

0.0 0.0 I ENE 0 0 0 0 0 C 0 0 0 0.0% .70 E

ESE 0

0 0

0 1

1 0

0 C

C 3

-h 0 0 4

1 2.6%

2.6%

8.7j 10.0 I

0 0 SE SSE 0

0 0

0 2

7 0

1 I

0 0 0 0

2 8

5.1%

20.5%

16.7 16.3 I

2.6% 10.I1 1

I S 0 0 0 1 0 C I 0 0ý SSW 0 0 0 0 0 C) 0 0.0% 0.0 0 0 SW 0 0 0 0 0 C) 0 0 0 0.0% 0.0 WSW W

0 0

C)

C

)

0 0

0.0%

0.0 0.0 I

] 0 0.0%

WNW NW 0

0 0

1 0

2 0

1 C

C)

)

0 0

0 0 4 10.3%

0.0 10.6 I NNW 0 0 1 8 10 C 0 0 19 48.7% 12.5 Total 0 0 2 16 20 1 0 0 39 I

% Of 0.0% 0.0%

Total 0.0% 0.0% 5.1% 41.0% 51.3% 2.6%

I Average speed for this table (MPH): 13.0 Hours in above table with variable direction Total number of CALMs :

0 4

I Total number of Invalid hours 0 Total number of Valid hours :

Total number of hours for period 115 115 I

I I

9-42 I

Radioactive Release Effluent Report - RDRJFB 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER STABILITY CLASS E Wind Speed (MPH) ->

-(1)

CALM (2) 1.0

-3.5 t (3) -

3.6

-7.5 (4)

I7.6

-12.5 -

(5) 12.6 18.5 (6) 18.6

-24.5 (7) 24.6

- 32.5 1(8) 32.6 +

To ta al Of Totta1 Avq.

Speed Sector 0 0 0 0 N 0 1 0 2 9.1% 3.4 0 0 0 NNE 0 0 0 0.0% 0.0 NE 0 1 0 0 0 0 1 4.5% 4.5 0

ENE 0 0.0% 0.0 E 1 4.5% 0.7 ESE 0 0.0% 0.0 SE 0 0 5! 0 5 22.7% 15.2 SSE S o/ o° 0 6 27.3% 9.0 J 110 0 S o 2 1 0 0 01 0: 3 13.6% 4.2 SSW o 1 0: 0: 2 9.1% 2.8 SW 01 0 0

0..

ý0 0 0 0.0% 0.0 WSW 0 0 00ý 0 0 ol 0 0.0% 0.0 0i 0 W 0ý 0! 0 0 0 0 0.0% 0.0 0

WNW 0ý 0 0.0% 0.0 NW 1 1 0 0 0 2 9.1% 9.5 NNW 0 0 0 0[ 0 0 0.0% 0.0 T taI 22

% Of To>tal 0.0% 0.0%

Average speed for this table (MPH): 8.2 Hours in above table with variable direction : 0 Total number of CALMs : 4 Total number of Invalid hours : 0 Total number of Valid hours : 115 Total number of hours for period 115 9-43

Radioactive Release Effluent Report - RDRJFB Batch Release 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table - Batch Release Hours From : 01/01/2013 00:00 To : 03/31/2013 23:00 I

PRIMARY TOWER U STABILITY CLASS F I Wind Speed (MPH) ->

(1)

CALM (2) 1.0

-3.5 (3) 3.6

-7.5 (4) 7.6

- 12.5 -

(5) 12.6 18.5 (6) 18.6

- 24.5 (7) 24.6

- 32.5 (8) 32.6 +

Total % Of Avg.

U Sector Total Speed N

NNE 0

0 0

0 1

0 0

0 0 1 0

33.3%

0.0%

5.0 0.0-I 0

NE ENE 0

0 4-0 0

4 0

1

-~

0 0

4 0

0 0

1 0.0%

33.3%

0.0 4.2 I

4- 4-E ESE 0

0 0

0 0.0%

0.0%

0.01 0.0 I SE 0 0 0 0 0 0 0 0 0 0.0% 0.0 SSE S

0 0

___________ +

0 0 0 0

1 0

0 4-00 0

4 0

0

-l 0 4-0 0

0 0

0.0%

0.0 0.0 I

SSW SW 0

0 0

0 0.0%

0.0%

0.0 0.0-I WSW 0.0% 0.0 I

0 0 0 0 0 0 0 0 0 W 0 0 0 0 0 0 0 0 0 0.0% 0.0 WNW 0 0 0 0 0 0 0 0 0 0.0% 0.0 NW NNW 0

0 0 1 0 0

0 0

1 0

33.3%

0.0%

2.8 0.0 U

1 4- 4 0 1 0+ 0 Total

% Of Total 0.0%

0 33.3%

1 66.7%

2 0 0.0% 0.0%

0 0.0%

0 3 I

Average speed for this table (MPH): 4.0 I

Hours in above table with variable direction 0 Total number of CALMs :

Total number of Invalid hours 4

0 I

Total number of Valid hours : 115 Total number of hours for period 115 I

I I

9-44 U

Radioactive Release Effluent Report - RDRJFB 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER STABILITY 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 -; - 12.5 18.5 - 24.5 - 32.5 Sector Total Speed 0 0 0 0 N 3 i01 0 01 3 11.5% 4.8

-0 1 NNE 5 0 0 6 23.1% 4.2 NE o oi 0j 0 o 0 3 11.5% 5.2 ENE 0o 0 0 0 0 0 0.0% 0.0 0 0 E

01 OT 0j1 0 0 0.0% 0.0 ESE 0 0 01L 0 0.0% 0.0 SE 0

0i 0 0 00 0 1

1 0

0 00i 0

oJ 0

0 0 0.0%ý 0.0 SSE 0F 0 0 0 0.0% 0.0 0

01 S

S SW i-r 0 01 0

0 0ý 0

0 0

0 0 0

1 0.0%

3.8%

0.0 0.81 SW 0_ _ 0 0_ 0.0% 0.0 0 0 WSW 0 I0 --- 0 01 0.0%, 0.0 W 0 0 0 0 0 2 7.7% 3.4:

WNW 0 3 4 0 0 0 0 0 8 30. 8% 3.0 NW 0 0 01 0 0F 1 3.8% 1.6 NNW i7 0, 2 7.7% 3.61 i

To-tal 26 21 7 17 0

% Of )%

Total 7.7%21 26.9" 65.4% 0.0 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 0 Total number of Valid hours : 115 Total number of hours for period 115 9-45

Radioactive Release Effluent Report - RDRJFBA Batch Release 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table - Batch Release Hours I From : 01/01/2013 00:00 To : 03/31/2013 23:00 PRIMARY TOWER I

ALL STABILITY CLASSES COMBINED Wind Speed (1)

CALM (2) 1.0 (3) (4) (5) (6) (7) (8)

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

- 3.5 Sector N 1 0

- 7.5 5

-12.5 6

- 18.5 0

-24.5 0

-32.5 0 0 12 Total 10.4%

Speed 7.6 I

4 0 04 04 +

04 NNE NE ENE __

0

-,4__

1 0

5 4

0 0

6 4

5.2%

3.5%

4.2 5.1 I 0 0 1 0 0 0 1 0.9% 4.2 E

ESE 0 1 0 0

0 1

2 4

0 0

3 5

2.6%

4.3%

6.7 9.7 U

SE SSE 4

0 0

4 0

0 4

1 1

4 1

5

+

7 7

4 0

1 4

0 0

0 0 14 9 7.8%

12.2%

14.1 13.2 I S 0 2 1 1 0 0 0 0 4 3.5% 5.7 S SW SW 0 1 1 0

1 0

0 0

3 0

2.6%

0.0%

2.1 0.0 I

WsW W

0 0

0 1

0 0

0 2

0.0%

1.7%

0.0 3.4 I

WNW 1 3 4 0 0 0 0 0 8 7.0% 3.0 NW NNW 0

0 2

1 2

2 6

13 7

11 0

0 0

0 17 27 14.8%

23.5% 11.5 11.0 I Total

% Of 4 11 29 38 32 1 0 0 115 I

Total 3.5% 9.6% 25.2% 33.0% 27.8% 0.9% 0.0% 0.0%

Average speed for this table (MPH): 9.5 Hours in above table with variable direction 0 I

Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 115 I

Total number of hours for period 115 I

I 9-46 3

Radioactive Release Effluent Report - RDRJFB 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 10/01/2013 00:00 To : 12/31/2013 23:00 PRIMARY TOWER 9-47

Radioactive Release Effluent Report - RDRJFB Batch Release 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table - Batch Release Hours From : 10/01/2013 00:00 To : 12/31/2013 23:00 I

PRIMARY TOWER I

STABILITY CLASS A I Wind Speed (MPH) ->

(1)

CALM (2) 1.0

-3.5 (3) 3.6

-7.5 -

(4) 7.6 12.5 (5) 12.6

- 18.5 (6) 18.6

- 24.5 (7) 24.6

-32.5 (8) 32.6+ Total % Of Avg.

I Sector Total Speed N

NNE 01 0

0 0

0 1

2 1

9 0

0 0

11 2

20.0%

3.6%

13.8 7.4 I

NE ENE 0

0 0

0 1

1 0

2 0

0 0

0 1

3 1.8%

5.5%

7.2 7.7 I

E I

0 0 0 2 0 0 0 0 2 3.6% 10.5 4 F F 4 4- F ESE 0 0 0 2 0 0 0 0 2 3.6% 9.9 SE 0 0 0 3 0 0 0 0 3 5.5% 10.1!

SSE S

0 0

0 1

2 0

0 0

2 1

3.6%

1.8%

13.0]

11.3i I

SSW SW 0

0 0

0 7

1 1

4 0

2 0

0 0

0 8

7 14.5%

12.7%

5.9 11.2 I WsW 0 0 0 0 0 0 0 .0%

I 0 0 0 W 0 0 0 0 0 0 0 0 0 0.0% 01

_______ + -i F ___________

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

I 4 + ____

NW 0 0 1 2 1 0 0 0 4 7.3% 10.11 NNW 0 0 1 4 2 2 0 0 9 16.4% 12.8 Total

% Of Total 0

0.0%

0 0.0%

13 23.6%

24 43.6% 29.1%

16 3.6%

2 0.0%

0 0.0%

0 55 I

Average speed for this table (MPH): 10.7 I

Hours in above table with variable direction 0 Total number of CALMs :

Total number of Invalid hours 4

0 U

Total number of Valid hours : 737 Total number of hours for period 737 I

I 9-48

Radioactive Release Effluent Report - RDRJFB 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 10/01/2013 00:00 To : 12/31/2013 23:00 PRIMARY TOWER STABILITY CLASS B Wind Speed (2) (4) (5 ý6) (7) -T(8-)

(MPH) -> 1.0 7.6 12.6 IQ A SI . Total % Of Avg.

- 3,5 -7.5 - 12.5 -18.5 24.5 32.5 1 Tota1 Speed Sector N 0 4 0 0~ 8 17.0% 11.6 NNE 3i 0i 0o 0 0 4 8.5% 8.4 NE 0 0 01 3 6.4% 6.3 ENE 0* 0 1 2.1% 1 .1 E 10 0i 01 1 21 12.6 ESE 0 0 0 3 6.4% 4.7 SE 0 1 2.1% 12.8 0

0 SSE 0 0 17 3 6. 2,L 11.4 S 0 0 0 0 0.0% 0.0 SSW 1 -- 0

3 6.4% 6.4 01 0 0 0 0 SW 0: 0 0 1 2.1% 8.8 WsW 0 0 0: 0 0.0% 0.0 W o1 0 0 0.0% 0.0 WNW 0 0.0% 0.0 NW 1 2.1% 17.0 NNW 4 8.5% 7.8 T,)ta1 231 7 0 0 0 47 Tot al 0.0%1 6.4% 29.8% 48.9% 14.9% 0.0% 0.0% 0.0%

Average speed for this table (MPH): 9.9 Hours in above table with variable direction : 0 Total number of CALMs : 4 Total number of Invalid hours : 0 Total number of Valid hours : 737 Total number of hours for period : 737 9-49

Radioactive Release Effluent Report - RDRJFB 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 10/01/2013 00:00 To : 12/31/2013 23:00 PRIMARY TOWER I

STABILITY CLASS C I Wind Speed (MPH) ->

(1)

CALM (2) 1.0

-3.5 (3) 3.6

-7.5 (4) 7.6

- 12.5 -

(5) 12.6 18.5 (6) 18.6

- 24.5 (7) 24.6

- 32.5 (8) 32.6 + Total % Of Avg.

I Sector Total Speed N

NNE 0

00 I

0 1

2 0

4 2

2 0

0 0

0 8

3 17.4%

6.5%

10.0 6.9 I

NE 0 0 1 0 0 0 0 0 2 4.3% 7.0 ENE 0 0 0 1 0 0 0 0 1 2.2% 9.6 E 0 0 0 2 4 0 0 0 6 13.0% 12.8

______0 _______ ______ _______ ______ ______0+ 0 ESE 0 0 0 0 0 0 0 0 0 0.0% 0.0!

SE 0 1 0 2 0 0 0 0 3 6.5% 7.9 SSE 0 0 0 3 0 0 0 0 3 6.5% 8.8ý S 0 0 1 0 0 0 0 0 1 2.2% 5.9

-, I--

SSW 0 0 3 1 0 0 0 0 4 8.7% 6.9 SW 0 0 0 1 0 0 0 0 1 2.2% 8.0 WSW 0 0 0 0 0 0 0 0 0 0.0% 0.0 W 0 0 0 0 00 0 0 0 0 0.0% 0.0 04 0 0------0 WNW 0 0 0 0 0 0 0 0 0 0.0% 0.0

-4 + -,

NW 0 0 1 2 3 1 0 0 7 15.2% 13.71 NNW 0 0 2 1 4 0 0 0 7 15.2% 12.0 Total 0 2 10 20 13 1 0 0 46

% Of Total 0.0% 4.3% 21.7% 43.5% 28.3% 2.2% 0.0% 0.0%

Average speed for this table (MPH): 10.3 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 737 Total number of hours for period 737 9-50

Radioactive Release Effluent Report - RDRJFB 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 10/01/2013 00:00 To : 12/31/2013 23:00 PRIMARY TOWER STABILITY 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+ ot a I % Of Avg.

- 3.5 -7.5 -24.5 -32.5 Total Sector Speed 125 -18.5 N 0 24 0 0 0 97 31.9% 10.81 NNE 0 17 24 31 01 0 0 44 14.5% 8.7 0

NE ýo 0 7 10t 01 0 01 17 5.6% 8.0ý ENE 0oi 0 0V 71 37 01 0 01 8 2.6% 10.5

....... .3J... .... 3...

. . . 1..

E 0 2 0 0 9 3.0% 9.7:

01 ESE o0 1 0 4 5' 01 10 3.3% 11.7 01 0L TT SE 0 0 2 2: 0 0 0 0o 4 1.3% 8.1 7.9i SSE 0 0 5 41 0o 0 0 0 9 3.0%

S 0 0! 0 7 2.3% 5.9 0 1 4 27 0 SSW 0 1 5 0 0 6 2.0% 4.9 SW 0 0 1 0 0 1 0.3% 04.4 0 0 17 0 0 0 WSW 1 0.3% 4.9 W 0 0 0 0 0 0.0% 0.0:

WNW 0 0 2 0 2 0.7% 7.0 NW 14 4.6% 12.2 NNW 75 24.7% 13.4 Total 304

% Of Tot aI Average speed for this table (MPH): 10.6 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 737 Total number of hours for period 737 9-51

Radioactive Release Effluent Report - RDRJFB 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 10/01/2013 00:00 To : 12/31/2013 23:00 PRIMARY TOWER I STABILITY CLASS E U Wind Speed (MPH) ->

(1)

CALM (2) 1.0

-3.5 (3) 3.6

-7.5 -

(4) 7.6 12.5 -

(5) 12.6 18.5 -

(6) 18.6 24.5 (7) 24.6

- 32.5 (8) 32.6 + Total % Of Avg.

I Sector Total Speed N

NNE 0 1 3 4 0 0 0 0 8 7

4.6%

4.0%

7.2 5.8 I

0 2 2 3 0 0 0 0 F I A + F A NE 28 16.0% 7.7 0 0 11 17 0 0 0 0 ENE 0 1 8 8 0 0 0 0 17 9.7% 7.4 E 0 0 4 1 0 0 0 0 5 2.9% 5.8

+ F 4 F 4 F 1. 4 ESE 0 1 2 1 0 0 0 0 4 2.3% 5.3

-1 SE 0 1 3 10 0 0 0 0 14 8.0% 8.0 SSE 0 0 14 4 0 0 0 0 18 10.3% 6.5 S 0 1 15 2 0 0 0 0 18 10.3% 5.4 SSW 0 3 10 0 0 0 0 0 13 7.4% 4.1

______ ______ 4 SW 0 0 8 4 0 0 0 0 12 6.9% 6.3 F 4 A F 4-WSW 0 2 4 0 0 0 0 0 6 3.4% 4.6 W 0 0 0 0 0 0 0 0 0 0.0% 0.0 WNW 0 1 3 0 0 0 0 0 4 2.3% 4.11 NW 0 0 4 4 0 0 0 0 8 4.6% 7.5i F + A F + A F-NNW 0 0 6 7 0 0 0 0 13 7.4% 7.3 Total

% Of Total 0.0%

0 13 7.4%

97 55.4%

65 37.1% 0.0%

0 0.0%

0 175 I

Average speed for this table (MPH): 6.5 I

Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 737 Total number of hours for period 737 9-52

Radioactive Release Effluent Report - RDRJFB 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 10/01/2013 00:00 To : 12/31/2013 23:00 PRIMARY TOWER STABILITY 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 + T-tal % Of Avg.

-3.5 -7.5 - 12.5 -18.5 -24.5 -32.5 Speed Sector Total N 0 2 0 0 2 4.8% 2.9 0 00ý -00 NNE 6 14.3% 4.6 0 00 6 0i 00 0 0 0 NE 1 4 0 0 0 0 0 5 11.9% 4.4 I

ENE 0 21 0 01 0 0 2 4.8% 1.8 E 0 4*4 0 0ý 0, 5 11.9% 4.5 ESE 01 3 1 0 0 0 0 0! 4 9.5% 4.1 SE 0 2: 41 0 0 0 0 0 6 14.3% 5.5 SSE 0 0 2 0 0 0 0 0 2 4.8% 4.1 S 0 0 1 0 0 0 0 0 1 2.4% 4.3 SSW 1 2 3 7.1% 2.9 0

SW 0 0 4- I 0 0.0% 0.0 WSW 0 0 0 0.0% 0.0 W 0 1 0 1 2.4% 1.8 WNW 0 0 0 0 0.0% 0.0 NW 0 +0 3 0 .............................

0 o o0 i 0

o 0 3 7.1% 6.1 NNW 0 0I 2 0 0 0 01 o 2 4.8% 4.1 Total 0 13 29 0 0 o 0 0 42

% Of Total L0.0% 31 .0%_ 69.0%

-" I0. 0 0.0%

0.0% 0.0% 0.0%

Average speed for this table (MPH): 4.3 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 737 Total number of hours for period 737 9-53

Radioactive Release Effluent Report - RDRJFB Batch Release 2013 South Texas Project Joint Frequency Tables I Joint Frequency Table - Batch Release Hours From : 10/01/2013 00:00 To 12/31/2013 23:00 PRIMARY TOWER STABILITY 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 -24.5 - 32.5 Total Speed Sector N 0 1 3 0 0 0 0 0 4 5.9% 3.4 NNE 0 1 2 0 0 0 0 0 3 4.4% 3.9 NE 0 2 4 0 0 0 0 0 6 8.8% 4.11 ENE 0 10 2 0 0 0 0 0 12 17.6% 2.8 E 1 14 2 0 0 0 0 0 17 25.0% 2.8 ESE 1 2 5 0 0 0 0 0 8 11.8% 3.3i SE 0 1 2 0 0 0 0 0 3 4.4% 3.7ý F + + F-SSE 0 0 1 0 0 0 0 0 1 1.5% 4.0 S 0 2 1 0 0 0 0 0 3 4.4% 2.9 SSW 0 2 0 0 0 0 0 0 2 2.9% 2.9 SW 0 0 0 0 0 0 0 0 0 0.0% 0.0 WSW 0 0 0 0 0 0 0 0 0 0.0% 0.0 W 0 0.0% 0.0 0 0 0 0 0 0 0 0 WNW 0 1 0 0 0 0 0 0 1 1.5% 2.0 NW NNW 1

1 2

4 0

0 0

0 3

5 4.4%

7.4%

1.8 1.9 I

F t ~1 +

Total

% Of Total 4

5.9%

42 61.8%

22 32.4% 0.0%

0 0.0%

0 0 0.0% 0.0%

0 0.0%

0 68 I

Average speed for this table (MPH): 3.0 I

Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 737 Total number of hours for period 737 I

9-54 I

Radioactive Release Effluent Report - RDRJFBA 2013 South Texas Project Batch Release Joint Frequency Tables Joint Frequency Table - Batch Release Hours From : 10/01/2013 00:00 To : 12/31/2013 23:00 PRIMARY TOWER ALL STABILITY CLASSES COMBINED Wind Speed (1) (2) (3) (4) .(5) (T6) (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. -18.5 -24.5 -32.5 Sector Total Speed N 0r 0 138 18.7% 10.5 69 9.4% 7.7 NE 31 281 0 0 0 0 62 8.4% 7.1 ENE 11 19 1 l 0 0 01 44 6.0% 6.6 E 12 8 8 0 0 0 45 6.1% 6.6 ESE 31 4.2% 6. 9 SE 11 17 10 O 01 34 4.6% 7.5 SSE 22 27 2 01 0 0 52 7.1% 8.6 S 22 5 0 0 0 0 31 4.2% 5.4 SSW 30 2 0 0 01 0 39 5.3% 4.9 SW WSW 2 0.9% 4.6 W 2 01 0 1 0.1% 1.8 WNW 2 0 0 7 0.9% 4.6 NW 2 13 1 40 5.4% 10.2 NNW 4 115 15. 6% 11.7 Total 78 1411 81 0 737 Of Total 0.5%1 10.6% 19.1% 1.1% 0.0%

Average speed for this table (MPH): 8.5 Hours in above table with variable direction 0 Total number of CALMs : 4 Total number of Invalid hours 0 Total number of Valid hours : 737 Total number of hours for period 737 9-55

NOC-AE-14003127, 2013 Radioactive Effluent Release Report

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