W3F1-2019-0029, Submittal of Annual Radioactive Effluent Release Report 2018

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Submittal of Annual Radioactive Effluent Release Report 2018
ML19115A420
Person / Time
Site: Waterford Entergy icon.png
Issue date: 04/25/2019
From: Wood P
Entergy Operations
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
W3F1-2019-0029
Download: ML19115A420 (36)
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Text

  • ~ Entergy Entergy Operations, Inc.

17265 River Road Killona, LA 70057-3093 Tel 504 464 3786 Paul Wood Manager - Regulatory Assurance Waterford 3 W3F1-2019-0029 April 25, 2019 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

Subject:

Annual Radioactive Effluent Release Report -2018 Waterford Steam Electric Station, Unit 3 (Waterford 3)

Docket No. 50-382 License No. NPF-38 Attached is the Annual Radioactive Effluent Release Report for the period of January 1 through December 31, 2018. This report is submitted pursuant to the requirements of Waterford 3 Technical Specification Sections 6.9.1.8 and 6.14.2.c.

This report contains no new commitments. Please contact Paul Wood, Regulatory Assurance Manager, at (504) 464-3786 if you have questions regarding this information.

Respectfully, PW/llb

Attachment:

Annual Radioactive Effluent Release Report - 2018 cc: NRC Region IV Regional Administrator NRC Senior Resident Inspector - Waterford Steam Electric Station Unit NRC Project Manager Entergy Legal General Senior Councel

Enclosure to W3F1-2019-0029 Annual Radioactive Effluent Release Report - 2018 (34 pages)

Page 1 of 34 Plant: Waterford 3 YEAR: 2018 Document Number: 50-382 Annual Radioactive Effluent Release Report

Plant: Waterford 3 Year: 2018 Page 2 of 34 Annual Radioactive Effluent Release Report TABLE OF CONTENTS

1.0 INTRODUCTION

.......................................................................................................................... 3 2.0 SUPPLEMENTAL INFORMATION ............................................................................................... 4 3.0 GASEOUS EFFLUENTS .............................................................................................................. 2 4.0 LIQUID EFFLUENTS .................................................................................................................. 15 5.0 SOLID WASTE

SUMMARY

........................................................................................................ 18 6.0 RADIOLOGICAL IMPACT TO MAN ........................................................................................... 21 7.0 METEORLOGICAL DATA .......................................................................................................... 24 ATTACHMENTS - Revised Offsite Dose Calculation Manual ...................................................................... 32 - Revised Process Control Program ................................................................................. 33 - Errata/Corrections to Previous ARERRs ........................................................................ 34

Plant: Waterford 3 Year: 2018 Page 3 of 34 Annual Radioactive Effluent Release Report

1.0 INTRODUCTION

Waterford 3 is a single unit Combustion Engineering nuclear steam supply plant.

Both liquid and gaseous effluents are released in accordance with the Offsite Dose Calculation Manual (ODCM). The Annual Radioactive Effluent Release Report is submitted as required by Waterford 3 Technical Specification 6.9.1.8. It covers the period from January 1, 2018 through December 31, 2018, where the plant had an average power level of 99.87%. Information in this report is presented in the format outlined in Appendix B of Regulatory Guide 1.21 and in Section 5.8.1 of the Offsite Dose Calculation Manual (UNT-005-014).

The information contained in this report includes:

  • A summary of the quantities of radioactive liquid and gaseous effluents and solid wastes released from the plant during the reporting period.
  • A summary of the meteorological data collected during 2018.
  • Assessment of radiation doses due to liquid and gaseous radioactive effluents released during 2018.
  • A discussion of Unplanned/Abnormal releases that occurred during the reporting period.
  • A discussion of why required radioactive effluent monitoring instrumentation was not returned to service within the time specified.
  • A discussion of any instances in which effluent samples were not collected within the required frequency.

Plant: Waterford 3 Year: 2018 Page 4 of 34 Annual Radioactive Effluent Release Report 2.0 SUPPLEMENTAL INFORMATION 2.1 Regulatory Limits The ODCM (by reference) and the Technical Requirements Manual (TRM) (directly) contains the limits to which Waterford 3 must adhere. Because of the "as low as reasonably achievable" (ALARA) philosophy at Waterford 3, actions are taken to reduce the amount of radiation released to the environment. Liquid and gaseous release data show that the dose from Waterford 3 is considerably below the ODCM/TRM limits. This data reveals that the radioactive effluents have an overall minimal dose contribution to the surrounding environment. The following are the limits required by the ODCM/TRM:

1. Fission and activation gases:
a. Noble gases dose rate due to radioactive materials released in gaseous effluents from the areas at and beyond the site boundary shall be limited to the following:
  • Less than or equal to 500 mrem/year to the total body
  • Less than or equal to 3000 mrem/year to the skin
b. Noble gas air dose due to noble gases released in gaseous effluents to areas at and beyond the site boundary shall be limited to the following:
1) Quarterly
  • Less than or equal to 5 mrads gamma
  • Less than or equal to 10 mrads beta
2) Yearly
  • Less than or equal to 10 mrads gamma
  • Less than or equal to 20 mrads beta
2. Iodine, tritium, and all radionuclides in particulate form with half-lives greater than 8 days.
a. The dose rate for Iodine-131, Iodine-133, tritium, and all radionuclides in particulate form with half-lives greater than 8 days in gaseous effluents released to areas at and beyond the site boundary shall be limited to the following:
  • Less than or equal to 1500 mrem/yr to any organ
b. 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 8 days in gaseous effluents released to areas at and beyond the site boundary shall be limited to the following:
1) Quarterly
  • Less than or equal to 7.5 mrem to any organ
2) Yearly
  • Less than or equal to 15 mrem to any organ

Plant: Waterford 3 Year: 2018 Page 5 of 34 Annual Radioactive Effluent Release Report

3. Liquid Effluents Dose
a. The dose or dose commitment to a MEMBER OF THE PUBLIC from radioactive materials in liquid effluents released to unrestricted areas shall be limited to the following:
1) Quarterly
  • Less than or equal to 1.5 mrem total body
  • Less than or equal to 5 mrem any organ
2) Yearly
  • Less than or equal to 3 mrem total body
  • Less than or equal to 10 mrem any organ
4. Total Dose (40CFR190)
a. The annual dose or dose commitment to any MEMBER OF THE PUBLIC due to releases of radioactivity and to radiation from uranium fuel cycle sources shall be limited to the following:
  • Less than or equal to 25 mrem, Total Body or any Organ except Thyroid.
  • Less than or equal to 75 mrem, Thyroid 2.2 Maximum Permissible Concentrations
1. Fission & Activation Gases, Iodines, and Particulates With Half Lives > Eight (8)

Days For gaseous effluents, maximum permissible concentrations are not directly used in release rate calculations since the applicable limits are expressed in terms of dose rate at the site boundary.

2. Liquid Effluents The concentration of radioactive material released from the site to unrestricted areas shall be limited to ten times the concentration specified in 10 CFR 20, Appendix B, Table 2, Column 2, for radionuclides other than dissolved or entrained noble gases. For dissolved or entrained noble gases, the total concentration released shall be limited to 2.0E-4 microcuries/ml.

2.3 Average Energy

1. This is not applicable to Waterford 3 effluent specifications. E-Bar is not required to be calculated from effluent release data. The average energy (E-Bar) for the Reactor Coolant System (RCS) is supplied as additional information in the report further below.

2.4 Measurements & Approximations of Total Radioactivity

1. The quantification of radioactivity in liquid and gaseous effluents was accomplished by performing the sampling and radiological analysis of effluents in accordance with the requirements of Tables 4.11-1 and 4.11-2 of the Technical Requirements Manual (TRM).

Plant: Waterford 3 Year: 2018 Page 6 of 34 Annual Radioactive Effluent Release Report

a. Fission & activation gases For continuous releases, a gas grab sample was analyzed at least monthly for noble gases using gamma spectroscopy. Each week a Gas Ratio (GR) was calculated according to the following equation:

Average Weekly Noble Gas Monitor Reading GR =

Monitor Reading During Noble Gas Sampling The monthly sample analysis and weekly Gas Ratio were then used to determine noble gases discharged continuously for the previous week.

For gas decay tank and containment purge batch releases, a gas grab sample was analyzed prior to release to determine noble gas concentrations in the batch. In all cases, the total radioactivity in gaseous effluents was determined from measured concentrations of each radionuclide present and the total volume discharged

b. Iodines and Particulates Iodines and particulates discharged were sampled using a continuous sampler which contained a charcoal cartridge and a particulate filter.

Each week the charcoal cartridge and particulate filter were analyzed for gamma emitters using gamma spectroscopy. The determined radionuclide concentrations and effluent volumes discharged were used to calculate the previous week's activity released. The particulate samples were composited and analyzed quarterly for Sr-89 and Sr-90 by a contract laboratory (Teledyne Brown Engineering). Particulate gross alpha activity was measured weekly using gas-flow proportional counting techniques. The determined activities were used to estimate effluent concentrations in subsequent releases until the next scheduled analysis was performed.

c. Tritium Tritium is collected by passing a known volume of the sample stream through a bubbler. The collected samples are analyzed by liquid scintillation. Grab samples of continuous releases were analyzed at least monthly, and containment purge batch releases are analyzed prior to release. The determined concentrations were used to estimate tritium activity in subsequent releases until the next scheduled analysis was performed.
d. Carbon-14 Carbon-14 release rates were estimated using the annual Carbon-14 production rate obtained from the Waterford 3 Final Safety Analysis Report, a gaseous release fraction of 98%, a Carbon-14 carbon dioxide fraction of 30%, and 364.5 days equivalent full power operation. Release of Carbon-14 was assumed to be continuous.

Plant: Waterford 3 Year: 2018 Page 7 of 34 Annual Radioactive Effluent Release Report

e. Liquid Effluents For continuous releases, samples were collected weekly and analyzed using gamma spectroscopy. The measured concentrations were used to determine radionuclide concentrations in the following weeks releases.

For batch releases, gamma analysis was performed on the sample prior to release.

For both continuous and batch releases, composite samples were analyzed quarterly by a contract laboratory (Teledyne Brown Engineering) for Sr-89, Sr-90, and Fe-55. Samples were composited and analyzed monthly for tritium and gross alpha using liquid scintillation and gas flow proportional counting techniques, respectively. For radionuclides measured in the composite samples, the measured concentrations in the composite samples from the previous month or quarter were used to estimate released quantities of these isotopes in liquid effluents during the current month or quarter when the analysis results became available.

The total radioactivity in liquid effluent releases was determined from the measured and estimated concentrations of each radionuclide present and the total volume of the effluent discharged.

f. Estimated Total Error Present Estimates of measurement and analytical error for gaseous and liquid effluents are calculated as follows:

Where: Er = total percent error E1 ... En = percent error due to calibration standards, Laboratory analysis, instruments, sample flow, etc.

2.5 Batch Releases:

2.5.1 Liquid

1. Number of batch releases: 59
2. Total time period for all batch releases: 16922 min
3. Maximum time period for a batch release: 553 min
4. Average time period for a batch release: 286.8 min
5. Minimum time period for a batch release: 205.0 min
6. Average stream flow during periods of release of effluent into flowing streams:

646308 f3/s

Plant: Waterford 3 Year: 2018 Page 8 of 34 Annual Radioactive Effluent Release Report 2.5.2 Gaseous

1. Number of batch releases: 6
2. Total time period for all batch releases: 2979 min
3. Maximum time period for a batch release: 1903 min
4. Average time period for a batch release: 496.5 min
5. Minimum time period for a batch release: 120 min 2.6 Abnormal Releases:

2.6.1 There were no abnormal releases during the reporting period 2.6.2 Liquid

1. Number of releases: 0
2. Total Activity (Ci) released: N/A 2.6.3 Gaseous
1. Number of releases: 0
2. Total Activity (Ci) released: N/A 2.7 Non-routine, Planned Discharges (if applicable)
1. There were no non-routine, planned discharges for the reporting period.

2.8 Radioactive Waste Treatment System Changes

1. During the reporting period, no major changes were made to any Radioactive Waste Systems. All major changes to Radioactive Waste Systems are included in Waterford 3s FSAR updates.

2.9 Land Use Census Changes A land use census was last performed in 2018. The land use census performed in 2018 did not identify the need for any changes to locations being used for effluent dose calculations or radiological environmental sampling 2.10 Effluent Monitor Instrument Inoperability Technical Requirements Manual (TRM) Specifications 3.3.3.10 and 3.3.3.11 require reporting in the Annual Radioactive Effluent Release Report of why designated inoperable effluent monitoring instrumentation was not restored to operability within the time specified in the Action Statement.

During the reporting period, all instrumentation was restored to operability within the time specified.

Plant: Waterford 3 Year: 2018 Page 9 of 34 Annual Radioactive Effluent Release Report 2.11 Offsite Dose Calculation Manual Changes

1. There were no changes to the Offsite Dose Calculation Manual, UNT-005-014, in 2018.

2.12 Process Control Program (PCP) Changes

1. There were no changes to the Process Control Program, EN-RW-105, in 2018.

2.13 NON-REMP Groundwater Monitoring Results (NEI 07-07)

1. Groundwater wells were monitored at Waterford 3 during 2018 as part of the NEI Groundwater Protection Initiative; these samples are not part of the Radiological Environmental Monitoring Program. Sampling of the ten installed wells was conducted on a quarterly basis. All results were less than minimum detectable activity for gamma emitters and tritium during 2018. A summary of all groundwater monitoring well sample results for 2018 is presented below:

2018 Groundwater Analysis Results (pCi/L)

Sample Mn- Co- Fe- Co- Zn- Nb- Cs- Cs- Ba- La-Date/Time Well Tritium 54 58 59 60 65 95 Zr-95 I-131 134 137 140 140 2/28/2018 9:05 MW-3 588.00 8.94 7.99 16.20 5.98 21.40 9.23 14.10 12.90 8.24 8.26 39.20 10.70 MW-3 < < < < < < < < < < < < <

2/28/2018 9:45 DUP 589.00 5.66 7.85 11.60 10.40 21.70 6.21 12.70 11.60 8.70 8.02 34.00 12.00 5/30/2018 17:07 MW-3 612.00 5.92 5.55 9.33 6.33 10.20 6.57 9.79 8.25 7.19 7.38 26.10 9.50 9/7/2018 12:50 MW-3 613.00 7.14 6.61 13.00 7.36 12.00 6.11 12.70 13.90 7.13 8.39 33.10 10.10 12/13/2018 7:50 MW-3 546.00 7.91 5.16 18.34 6.89 19.14 7.80 12.88 12.20 6.91 7.74 30.61 13.68 2/28/2018 10:55 MW-4 590.00 6.21 5.73 10.90 5.84 12.30 6.49 9.77 9.70 6.52 6.38 26.10 7.52 5/30/2018 15:27 MW-4 595.00 4.05 5.19 9.61 5.53 9.31 5.08 8.13 6.23 5.52 5.54 20.00 6.35 9/7/2018 11:45 MW-4 630.00 7.30 6.98 13.80 6.87 14.00 6.28 12.30 10.70 5.97 6.18 29.90 11.70 12/13/2018 8:35 MW-4 543.00 7.79 8.18 15.01 9.09 17.17 7.55 10.14 11.93 8.71 8.21 35.40 14.38 2/28/2018 12:45 MW-5 585.00 7.93 8.30 15.20 6.97 13.80 6.46 14.50 13.50 6.65 6.83 32.70 8.90 5/30/2018 7:48 MW-5 612.00 4.82 4.48 9.87 6.44 7.81 5.38 9.00 9.75 5.79 5.97 24.90 7.74 9/7/2018 10:50 MW-5 614.00 5.91 6.05 11.70 4.94 15.90 7.37 11.30 14.50 9.65 5.15 36.50 13.10 12/12/2018 14:15 MW-5 545.00 5.62 7.60 13.23 10.07 15.54 8.47 11.30 12.74 7.06 7.17 33.89 14.45 2/27/2018 16:20 MW-6 584.00 7.89 7.43 18.20 9.34 16.90 9.68 12.90 12.90 8.08 8.17 34.90 14.70 5/30/2018 9:05 MW-6 604.00 6.18 5.33 7.90 6.70 11.90 5.92 10.80 7.92 5.66 5.18 24.10 8.43 9/6/2018 9:16 MW-6 618.00 6.20 6.39 10.50 5.87 14.40 7.89 12.70 11.80 8.16 7.11 32.30 10.90 12/12/2018 11:25 MW-6 546.00 6.36 6.32 16.93 7.11 13.48 7.39 10.37 11.14 5.31 6.75 26.05 6.17 2/27/2018 15:03 MW-7 585.00 7.55 6.70 12.80 6.61 11.00 8.13 14.20 13.40 8.14 6.64 33.10 12.50 5/29/2018 16:40 MW-7 604.00 5.30 5.57 12.20 6.10 12.30 6.85 11.20 9.62 7.42 5.66 27.00 6.55

Plant: Waterford 3 Year: 2018 Page 10 of 34 Annual Radioactive Effluent Release Report 2018 Groundwater Analysis Results (pCi/L) 9/7/2018 8:00 MW-7 616.00 7.24 7.75 16.40 8.69 16.80 8.10 12.30 12.90 9.17 6.36 34.60 11.00 12/12/2018 12:35 MW-7 541.00 6.30 6.99 16.48 7.83 10.25 4.83 14.67 9.90 6.25 6.04 34.90 13.01 2/27/2018 14:02 MW-8 605.00 7.35 6.32 13.80 8.00 19.10 8.21 13.70 12.30 8.16 8.58 33.00 11.50 5/29/2018 15:10 MW-8 611.00 5.52 6.19 11.30 5.17 8.33 4.98 9.28 9.01 5.07 6.73 25.60 8.42 9/6/2018 16:30 MW-8 621.00 6.89 7.71 15.00 5.66 12.40 6.95 11.30 13.00 6.95 5.96 29.60 12.70 12/12/2018 15:15 MW-8 542.00 9.43 8.50 16.59 7.03 15.73 7.36 12.49 10.43 7.96 5.52 30.08 8.33 2/27/2018 13:30 MW-9 587.00 7.32 7.80 17.70 9.70 14.80 8.97 14.60 11.60 8.55 7.59 29.90 12.20 5/29/2018 14:00 MW-9 615.00 5.59 5.34 12.70 6.15 8.89 5.64 9.98 11.50 6.73 7.34 28.60 11.00 9/6/2018 15:47 MW-9 628.00 5.07 5.43 12.00 6.56 11.00 5.85 10.60 9.21 5.05 6.22 28.50 10.20 12/12/2018 16:05 MW-9 551.00 7.55 8.95 15.09 7.81 17.58 7.95 13.95 14.29 8.97 8.63 35.93 11.23 MW-9 < < < < < < < < < < < < <

12/12/2018 16:20 DUP 543.00 6.42 5.29 12.55 5.66 16.22 6.72 9.78 12.85 6.57 6.30 32.48 14.08 MW- < < < < < < < < < < < < <

2/28/2018 14:11 10 585.00 7.91 6.82 13.20 7.51 15.00 6.80 14.90 11.60 7.23 7.95 39.10 14.20 MW- < < < < < < < < < < < < <

5/30/2018 14:07 10 602.00 6.72 7.02 12.40 7.06 12.50 6.26 11.70 8.80 6.51 5.98 25.90 10.80 MW- < < < < < < < < < < < < <

9/6/2018 13:11 10 635.00 6.33 6.66 11.40 4.60 9.94 7.51 14.30 11.40 6.48 7.92 28.80 11.80 MW- < < < < < < < < < < < < <

12/13/2018 9:30 10 549.00 7.35 7.92 13.80 7.06 16.91 8.05 13.12 13.79 8.75 8.59 34.99 10.99 MW- < < < < < < < < < < < <

2/28/2018 15:05 < 667 11 7.52 8.22 14.40 9.54 18.70 10.20 14.70 11.30 7.66 7.85 27.10 12.60 MW- < < < < < < < < < < < <

5/30/2018 11:00 < 614 11 4.33 5.13 11.90 5.84 9.73 5.32 8.72 8.17 5.75 5.22 21.20 8.08 MW-5/30/2018 12:20 11 < 609 5.37 5.13 12.20 5.27 9.26 5.74 9.50 8.19 6.43 5.36 23.80 8.09 DUP MW- < < < < < < < < < < < <

9/6/2018 13:57 < 615 11 8.18 6.36 16.00 6.98 17.00 7.12 12.60 12.30 6.01 6.88 35.80 12.80 MW- < < < < < < < < < < < <

12/13/2018 10:15 < 537 11 7.02 7.51 14.23 9.33 10.88 6.89 11.41 13.42 6.67 6.54 34.31 12.57 MW- < < < < < < < < < < < < <

2/27/2018 11:45 12 599.00 9.53 8.44 18.60 12.50 17.40 9.42 12.30 13.90 9.65 10.00 38.90 11.10 MW- < < < < < < < < < < < < <

5/29/2018 11:57 12 607.00 5.76 6.58 13.50 7.16 13.50 6.46 11.10 10.00 6.25 7.00 30.00 11.50 MW- < < < < < < < < < < < < <

9/6/2018 10:00 12 629.00 6.66 6.35 12.00 7.41 13.80 6.37 11.90 11.50 6.45 6.02 28.60 11.50 MW-9/6/2018 10:20 12 615.00 4.06 5.57 14.10 6.24 13.60 5.81 11.20 11.80 6.12 6.08 31.60 8.36 DUP MW- < < < < < < < < < < < < <

12/12/2018 10:15 12 538.00 6.42 7.25 14.63 6.88 14.31 7.45 12.36 13.15 7.95 6.67 37.04 11.98 2.14 Unprotected Outside Storage Tank Radioactivity Limit

1. Technical Specification 3/4.11.2.6 specifies that the quantity of radioactive material contained in each unprotected outdoor tank be maintained less than or equal to 7.85E-04 Curies (excluding tritium and dissolved and entrained noble gases). During this reporting period, there were no instances in which this limit was exceeded.

Plant: Waterford 3 Year: 2018 Page 11 of 34 Annual Radioactive Effluent Release Report 2.15 Gaseous Storage Tank Total Radioactivity Limit

1. Technical Specification 3/4.11.2.6 specifies that the quantity of radioactivity contained in each gas storage tank be maintained less than or equal to 8.5E+04 Curies noble gas (considered as Xe-133 equivalent). At no time during the reporting period was this value exceeded.

2.16 Errata/Corrections to Previous ARERRs

1. None 2.17 Other Information
1. Unavailability of REMP Milk Samples Due to the unavailability of three milk sampling locations within five kilometers of the plant, Broad Leaf sampling is performed in accordance with Technical Requirements Manual (TRM) Table 3.12-1. Milk is collected, when available, from the control location and one identified sampling location as indicated in UNT-005-014, Offsite Dose Calculation Manual, Attachment 7.13.
2. Activity Released Via Secondary Pathways The following secondary release paths were continuously monitored for radioactivity:
  • The Hot Machine Shop Exhaust (AH-35),
  • Decontamination Shop Exhaust (AH-34),
  • The RAB H&V Equipment Room Ventilation System Exhaust (E-41A and E-41B); and,
  • The Switchgear/Cable Vault Area Ventilation System (AH-25).

Continuous sampling for these areas is maintained in order to demonstrate the operability of installed treatment systems and to verify integrity of barriers separating primary and secondary ventilation systems. Sampling for these areas was limited to continuous particulate and iodine sampling and monthly noble gas grab sampling. The activity released via these secondary pathways resulted from routine operations and remained below significant levels.

3. Missed Effluent Samples During the reporting period, no incident occurred for which effluent samples were not sampled and/or analyzed as required by the ODCM/TRM.
4. Reactor Coolant System Average Energy (E-Bar)

Reactor Coolant System E-Bar calculations were performed on 1/29/18, 8/2/18, and 12/3/18 with values of 0.1550, 0.0357, and 0.2079 Mev/disintegration, respectively. Reactor Coolant System E-Bar is supplied for information only and is not used for effluent dose calculations.

Plant: Waterford 3 Year: 2018 Page 12 of 34 Annual Radioactive Effluent Release Report 3.0 GASEOUS EFFLUENTS 3.1 Gas Effluent and Waste Disposal Report Table 1, Gaseous Effluents-Summation of All Releases (Waterford 3)

Est. Total Type of Effluent Units Qtr 1 Qtr 2 Qtr 3 Qtr 4 Error, %

A. Fission & Activation Gases

1. Total Release Curies 1.87E-01 0.00E+00 0.00E+00 2.35E-01 2.50E+01
2. Average Release Rate for Period µCi/sec 2.40E-02 0.00E+00 0.00E+00 2.96E-02
3. Percent of Applicable Limit  % 3.31E-02 0.00E+00 0.00E+00 4.14E-02 B. Iodines
1. Total Iodine-131 Curies 0.00E+00 0.00E+00 0.00E+00 0.00E+00 2.50E+01
2. Average Release Rate for Period µCi/sec 0.00E+00 0.00E+00 0.00E+00 0.00E+00
3. Percent of Applicable Limit  % 0.00E+00 0.00E+00 0.00E+00 0.00E+00 C. Particulates
1. Total Particulates (Half-lives>8 days) Curies 0.00E+00 0.00E+00 0.00E+00 4.68E-07 2.50E+01
2. Average Release Rate for Period µCi/sec 0.00E+00 0.00E+00 0.00E+00 5.89E-08
3. Percent of Applicable Limit  % 0.00E+00 0.00E+00 0.00E+00 2.52E-04
4. Gross Alpha Activity Curies 1.20E-07 1.70E-08 3.78E-08 9.47E-09 2.50E+01 D. Tritium
1. Total Release Curies 6.54E+00 2.31E+00 3.86E+00 3.81E+00 2.50E+01
2. Average Release Rate for Period µCi/sec 8.42E-01 2.94E-01 4.86E-01 4.79E-01
3. Percent of Applicable Limit  % 9.00E-02 3.18E-02 5.31E-02 5.23E-02 D. C-14
1. Total Release Curies 3.04+00 3.03E+00 3.04E+00 3.04E+00 2.50E+01
2. Average Release Rate for Period µCi/sec 3.91E-01 3.85E-01 3.82E-01 3.82E-01

Plant: Waterford 3 Year: 2018 Page 13 of 34 Annual Radioactive Effluent Release Report Table 2, Gaseous Effluents - Ground Level Release - Batch Mode (Waterford 3)

Radionuclide Unit Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Released Fission Gases Ar-41 Ci 1.87E-01 0.00E+00 0.00E+00 2.34E-01 4.21E-01 Xe-133 Ci 0.00E+00 0.00E+00 0.00E+00 1.09E-03 1.09E-03 Total for Period Ci 1.87E-01 0.00E+00 0.00E+00 2.35E-01 4.22E-01 lodines Total for Period Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Particulates Total for Period Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Tritium H-3 Ci 1.76E+00 0.00E+00 0.00E+00 4.22E-01 2.18+00 Gross Alpha Alpha Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00

Plant: Waterford 3 Year: 2018 Page 14 of 34 Annual Radioactive Effluent Release Report Table 3, Gaseous Effluents - Ground Level Release - Continuous Mode Radionuclide Unit Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Released Fission Gases Total for Period Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 lodines Total for Period Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Particulates Cs-137 Ci 0.00E+00 0.00E+00 0.00E+00 4.68E-07 4.68E-07 Total for Period Ci 0.00E+00 0.00E+00 0.00E+00 4.68E-07 4.68E-07 Tritium H-3 Ci 4.78E+00 2.31E+00 3.86E+00 3.38E+00 1.43E+01 Gross Alpha Alpha Ci 1.20E-07 1.70E-08 3.78E-08 9.47E-09 1.84E-07

Plant: Waterford 3 Year: 2018 Page 15 of 34 Annual Radioactive Effluent Release Report 4.0 LIQUID EFFLUENTS 4.1 Liquid Effluent and Waste Disposal Report Table 4, Liquid Effluents-Summation of All Releases (Waterford 3)

Est. Total Type of Effluent Units Qtr 1 Qtr 2 Qtr 3 Qtr 4 Error, %

A. Fission & Activation Products

1. Total Release (not including Tritium, Curies 1.60E-03 1.22E-02 6.36E-03 5.76E-03 2.50E+01 Gases, and Alpha)
2. Average Diluted Concentration During µCi/ml 9.13E-11 5.36E-10 2.65E-10 2.35E-10 Period
3. Percent of Applicable Limit  % 3.20E-02 2.44E-01 1.27E-01 1.15E-01 B. Tritium
1. Total Release Curies 1.88E+01 9.24E+01 4.22E+01 5.24E+02 2.50E+01
2. Average Diluted Concentration During µCi/ml 1.07E-06 4.07E-06 1.75E-06 2.13E-05 Period
3. Percent of Applicable Limit  % 1.07E-01 4.07E-01 1.75E-01 2.13E+00 C. Dissolved and Entrained Gases
1. Total Release Curies 0.00E+00 1.00E-04 0.00E+00 2.14E-03 2.50E+01
2. Average Diluted Concentration During µCi/ses 0.00E+00 4.40E-12 0.00E+00 8.71E-11 Period
3. Percent of Applicable Limit  % 0.00E+00 2.20E-06 0.00E+00 4.36E-05 D. Gross Alpha Radioactivity
1. Total Release Curies 0.00E+00 0.00E+00 0.00E+00 0.00E+00 2.50E+01 E. Waste Volume Released (Pre-Dilution) Liters 6.00E+06 5.02E+06 3.55E+06 5.19E+06 2.50E+01 F. Volume of Dilution Water Used Liters 1.75E+10 2.27E+10 2.40E+10 2.46E+10 2.50E+01

Plant: Waterford 3 Year: 2018 Page 16 of 34 Annual Radioactive Effluent Release Report Table 5, Batch Mode Liquid Effluents (Waterford 3)

Nuclides Released Batch Mode Unit Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Cr-51 Ci 0.00E+00 1.60E-05 0.00E+00 0.00E+00 1.60E-05 Mn-54 Ci 9.84E-05 2.49E-05 8.62E-06 1.06E-05 1.43E-04 Fe-55 Ci 0.00E+00 1.15E-02 6.01E-03 1.72E-03 1.92E-02 Fe-59 Ci 0.00E+00 0.00E+00 0.00E+00 2.16E-05 2.16E-05 Co-58 Ci 1.69E-04 5.03E-05 8.64E-05 3.55E-03 3.86E-03 Co-60 Ci 6.91E-04 3.38E-04 1.51E-04 2.90E-04 1.47E-03 Nb-95 Ci 1.38E-04 2.99E-05 1.88E-05 4.49E-05 2.32E-04 Zr-95 Ci 7.35E-05 1.34E-06 9.60E-06 0.00E+00 8.44E-05 Zn-65 Ci 1.94E-05 1.12E-06 0.00E+00 0.00E+00 2.05E-05 Ag-110m Ci 2.18E-04 2.20E-05 8.89E-06 0.00E+00 2.49E-04 Sn-113 Ci 0.00E+00 0.00E+00 0.00E+00 4.40E-05 4.40E-05 Sb-125 Ci 1.90E-04 1.72E-04 6.39E-05 7.76E-05 5.04E-04 Cs-137 Ci 1.60E-06 0.00E+00 0.00E+00 0.00E+00 1.60E-06 H-3 Ci 1.88E+01 9.24E+01 4.21E+01 5.24E+02 6.77E+02 Total for Period Ci 1.88E+01 9.24E+01 4.21E+01 5.24E+02 6.77E+02 Ar-41 Ci 0.00E+00 0.00E+00 0.00E+00 9.77E-06 9.77E-06 Kr-85M Ci 0.00E+00 0.00E+00 0.00E+00 9.21E-06 9.21E-06 Xe-133 Ci 0.00E+00 9.88E-05 0.00E+00 1.68E-03 1.78E-03 Xe-133m Ci 0.00E+00 0.00E+00 0.00E+00 2.36E-05 2.36E-05 Xe-135 Ci 0.00E+00 1.19E-06 0.00E+00 4.15E-04 4.16E-04 Total for Period Ci 0.00E+00 1.00E-04 0.00E+00 2.14E-03 2.24E-03

Plant: Waterford 3 Year: 2018 Page 17 of 34 Annual Radioactive Effluent Release Report Table 6, Continuous Mode Liquid Effluents (Waterford 3)

Nuclides Released Continuous Mode Unit Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total H-3 Ci 5.91E-02 6.04E-02 2.76E-02 3.18E-02 1.79E-01 Total for Period Ci 5.91E-02 6.04E-02 2.76E-02 3.18E-02 1.79E-01

Plant: Waterford 3 Year: 2018 Page 18 of 34 Annual Radioactive Effluent Release Report 5.0 SOLID WASTE

SUMMARY

5.1 Solid Waste Shipped Offsite for Burial or Disposal (Not Irradiated Fuel) 5.1.1 Types of Waste Table 7, Types of Solid Waste Summary (Waterford 3)

Types of Waste Total Quantity Total Activity Est. Total (m3 ) (Ci) Error (%)

a. Spent resins, filter sludges, evaporator bottoms, etc. 25 Waste Class ft³ m³ Ci Shipped A 8.17E+02 2.31E+01 1.02E+01 B 1.00E+02 2.83E+00 1.17E+02 C 0.00E+00 0.00E+00 0.00E+00 Unclassified 0.00E+00 0.00E+00 0.00E+00 All 9.17E+02 2.60E+01 1.27E+02
b. Dry compressible waste, contaminated equip, etc. 25 Waste Class ft³ m³ Ci Shipped A 2.47E+04 6.99E+02 3.30E-01 B 0.00E+00 0.00E+00 0.00E+00 C 0.00E+00 0.00E+00 0.00E+00 Unclassified 0.00E+00 0.00E+00 0.00E+00 All 2.47E+04 6.99E+02 3.30E-01
c. Irradiated components, control rods, etc. 25 Waste Class ft³ m³ Ci Shipped A 0.00E+00 0.00E+00 0.00E+00 B 0.00E+00 0.00E+00 0.00E+00 C 0.00E+00 0.00E+00 0.00E+00 Unclassified 0.00E+00 0.00E+00 0.00E+00 All 0.00E+00 0.00E+00 0.00E+00
d. Other (used oil) 25 Waste Class ft³ m³ Ci Shipped A 8.96E+02 2.54E+01 5.55E-02 B 0.00E+00 0.00E+00 0.00E+00 C 0.00E+00 0.00E+00 0.00E+00 Unclassified 0.00E+00 0.00E+00 0.00E+00 All 8.96E+02 2.54E+01 5.55E-02

Plant: Waterford 3 Year: 2018 Page 19 of 34 Annual Radioactive Effluent Release Report 5.1.2 Estimate of major nuclide composition (by waste type) only >1% [Note 1} are reported.

Table 8, Major Nuclides (Waterford 3)

Major Nuclide Composition  % Curies

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

Nuclide Name Abundance Activity (Ci)

Mn-54 3.93% 5.00E+00 Fe-55 15.41% 1.96E+01 Co-57 0.69% 8.84E-01 Co-58 7.75% 9.87E+00 Co-60 17.3% 2.20E+01 Ni-63 42.08% 5.36E+01 Zn-65 0.27% 3.38E-01 Sb-125 1.24% 1.58E+00 Cs-137 9.5% 1.21E+01

b. Dry compressible waste, contaminated equip, etc.

Nuclide Name Abundance Activity (Ci)

Cr-51 1.38% 4.58E-03 Fe-55 58.4% 1.94E-01 Co-58 4.98% 1.66E-02 Co-60 8.99% 2.99E-02 Ni-63 19.18% 6.38E-02 Nb-95 1.38% 4.59E-03 Cs-137 2.02% 6.72E-03

c. Irradiated components, control rods, etc.

None

d. Other (used oil)

Nuclide Name Abundance Activity (Ci)

Fe-55 65.67% 3.64E-02 Co-58 5.23% 2.90E-03 Co-60 9.26% 5.14E-03 Ni-63 13.66% 7.58E-03 Cs-137 1.57% 8.74E-04

[Note 1] - Major" radionuclide is equivalent to a principle radionuclide, i.e. greater than 1 percent of total activity.

Plant: Waterford 3 Year: 2018 Page 20 of 34 Annual Radioactive Effluent Release Report 5.1.3 Solid Waste Disposition Table 9, Solid Waste Disposition (Waterford 3)

Number of Mode of Transportation Destination Shipments 18 Hittman Transport Energy Solutions Bear Creek 1 Hittman Transport Energy Solutions, Gallaher Rd 6 Hittman Transport Energy Solutions-Memphis 1 Hittman Transport Resin Solutions, Erwin Table 10, Irradiated Fuel Shipments Disposition (Waterford 3)

Number of Mode of Transportation Destination Shipments None

Plant: Waterford 3 Year: 2018 Page 21 of 34 Annual Radioactive Effluent Release Report 6.0 RADIOLOGICAL IMPACT TO MAN 6.1 10CFR Part50, Appendix I Evaluation Table 11, Dose Assessment (Waterford 3)

Quarter 1 Quarter 2 Quarter 3 Quarter 4 Annual Liquid Effluent Dose Limit, 1.5 mrem 1.5 mrem 1.5 mrem 1.5 mrem 3 mrem Total Body Total Body Dose 2.52E-05 7.32E-05 3.80E-05 4.72E-04 6.08E-04

% of Limit 1.68E-03 4.88E-03 2.53E-03 3.15E-02 2.03E-02 Liquid Effluent Dose Limit, 10 5 mrem 5 mrem 5 mrem 5 mrem Any Organ mrem Maximum Organ Dose 5.75E-05 9.26E-05 4.95E-05 5.20E-04 7.18E-04

% of Limit 1.15E-03 1.85E-03 9.90E-04 1.04E-02 7.18E-03 Gaseous Effluent Dose 5 mrad 5 mrad 5 mrad 5 mrad 10 mrad Limit, Gamma Air Gamma Air Dose 1.65E-03 0.00E+00 0.00E+00 2.07E-03 3.72E-03

% of Limit 3.30E-02 0.00E+00 0.00E+00 4.14E-02 3.72E-02 Gaseous Effluent Dose 10 mrad 10 mrad 10 mrad 10 mrad 20 mrad Limit, Beta Air Beta Air Dose 5.83E-04 0.00E+00 0.00E+00 7.30E-04 1.31E-03

% of Limit 5.83E-03 0.00E+00 0.00E+00 7.30E-03 6.55E-03 Gaseous Effluent Organ Dose Limit (Iodine, 7.5 mrem 7.5 mrem 7.5 mrem 7.5 mrem 15 mrem Tritium, Particulates with >

8 day half-life)

Gaseous Effluent Organ Dose (Iodine, Tritium, 6.75E-03 2.39E-03 3.98E-03 3.94E-03 1.71E-02 Particulates with > 8 day half-life)

% of Limit 9.00E-02 3.19E-02 5.31E-02 5.25E-02 1.14E-01

Plant: Waterford 3 Year: 2018 Page 22 of 34 Annual Radioactive Effluent Release Report 6.2 Dose to Members of the Public Inside the Site Boundary The Member of the Public inside the site boundary expected to have the maximum exposure due to gaseous effluents would be an employee at the Waterford 1 and 2 fossil fuel plants, located in the NW sector at a distance of approximately 670 meters (0.42 miles) from the reactor building.

The doses for such an individual were determined by scaling the full-time occupancy doses due to airborne effluents by the occupancy time due to a normal working year. Based on an assumed occupancy of 25% (40 hour4.62963e-4 days <br />0.0111 hours <br />6.613757e-5 weeks <br />1.522e-5 months <br /> work week) and the fact that all employees are adults, the calculated doses were determined to be 2.75E-04 mrem to the skin 6.05 E-04 mrem to the maximum exposed organ (Liver) 7.94E-04 mrem to the Total Body All doses for receptors inside the site boundary were calculated according to the methodology described in the Waterford 3 Offsite Dose Calculation Manual considering only the inhalation and ground plane exposure pathways.

6.3 Dose to a Member of the Public due to Release of Radioactive Material in Groundwater There were no releases of radioactive material in groundwater during the reporting period; therefore there was no additional dose to a MEMBER OF THE PUBLIC associated with off-site releases of licensed radioactive material via ground water.

6.4 40CFR Part 190 Evaluation for an Individual in the Unrestricted Area Table 12, EPA 40 CFR PART 190 Evaluation Whole Body Thyroid Any Other Organ Dose Limit 25 mrem 75 mrem 25 mrem Dose 7.87E-01 7.87E-01 3.64E+00

% of Limit 3.15E+00 1.05E+00 1.46E+01 Liquid dose, gaseous dose including C14, direct shine from each unit, ISFSI and any other nuclear power related facility within 5 miles of the station are considered when calculating dose compliance with 40 CFR 190

Plant: Waterford 3 Year: 2018 Page 23 of 34 Annual Radioactive Effluent Release Report 6.5 40CFR Part 190 Calculation Table 13, EPA 40 CFR Part 190 Calculation Unit Total Body Thyroid Max Organ Routine Airborne Effluents[Note 1] WF3 1.70E-02 1.70E-02 1.71E-02 Routine Liquid Effluents WF3 6.08E-04 5.81E-04 7.18E-04 Airborne Releases of C14 WF3 7.10E-01 7.10E-01 3.56E+00 Ground Water & Storm Drain Totals WF3 0.00E+0 0.00E+0 0.00E+0 Direct Shine from areas such as dry cask storage, radwaste storage, WF3 5.92E-02 5.92E-02 5.92E-02 Equipment Mausoleums Total 40 CFR 190 Dose WF3 7.87E-01 7.87E-01 3.64E+00

[Note 1]: Routine airborne dose in this table is mrad expressed as mrem. This addition does not represent a real dose and is listed here solely to help demonstrate compliance with 40 CFR 190.

Plant: Waterford 3 Year: 2018 Page 24 of 34 Annual Radioactive Effluent Release Report 7.0 METEORLOGICAL DATA 7.1 Joint Frequency Distributions

1. Period of Record: 01/01/2018 - 12/31/2018
2. Stability Class: A
3. Elevation:10 m
4. Periods of calm hours: 0 Table 14, Hours of Each Wind Speed and Direction Stability Class A Wind Speed (mps)

Wind 0.22- 0.51- 0.76- 1.1- 1.6- 2.1- 3.1- 5.1- 7.1- 10.1- 13.1-

>18.0 Total Direction 0.50 0.75 1.0 1.5 2.0 3.0 5.0 7.0 10.0 13.0 18.0 N 0 0 0 0 0 3 27 6 0 0 0 0 36 NNE 0 0 0 0 0 0 4 1 0 0 0 0 5 NE 0 0 0 0 0 8 40 1 0 0 0 0 49 ENE 0 0 0 0 0 4 10 3 0 0 0 0 17 E 0 0 0 0 0 0 1 1 0 0 0 0 2 ESE 0 0 0 0 0 0 0 1 0 0 0 0 1 SE 0 0 0 0 0 0 5 1 1 0 0 0 7 SSE 0 0 0 0 0 1 30 20 5 0 0 0 56 S 0 0 0 0 0 2 17 4 3 0 0 0 26 SSW 0 0 0 0 0 0 7 5 1 0 0 0 13 SW 0 0 0 0 0 2 13 2 0 0 0 0 17 WSW 0 0 0 0 0 5 10 2 0 0 0 0 17 W 0 0 0 0 0 0 3 0 0 0 0 0 3 NWN 0 0 0 0 0 0 7 3 0 0 0 0 10 NW 0 0 0 0 0 1 4 5 0 0 0 0 10 NNW 0 0 0 0 0 0 8 0 0 0 0 0 8 Total 0 0 0 0 0 26 186 55 10 0 0 0 277

Plant: Waterford 3 Year: 2018 Page 25 of 34 Annual Radioactive Effluent Release Report

1. Period of Record: 01/01/2018 - 12/31/2018
2. Stability Class: B
3. Elevation:10 m
4. Periods of calm hours: 0 Table 15, Hours of Each Wind Speed and Direction Stability Class B Wind Speed (mps)

Wind 0.22- 0.51- 0.76- 1.1- 1.6- 2.1- 3.1- 5.1- 7.1- 10.1- 13.1-

>18.0 Total Direction 0.50 0.75 1.0 1.5 2.0 3.0 5.0 7.0 10.0 13.0 18.0 N 0 0 0 0 0 4 12 13 1 0 0 0 30 NNE 0 0 0 0 2 5 4 2 0 0 0 0 13 NE 0 0 0 0 1 13 41 2 0 0 0 0 57 ENE 0 0 0 0 0 7 7 4 0 0 0 0 18 E 0 0 0 0 0 0 4 2 0 0 0 0 6 ESE 0 0 0 0 0 1 1 0 0 0 0 0 2 SE 0 0 0 0 0 1 10 4 0 0 0 0 15 SSE 0 0 0 0 0 10 20 16 0 0 0 0 46 S 0 0 0 0 0 4 15 4 3 0 0 0 26 SSW 0 0 0 0 0 3 5 3 1 0 0 0 12 SW 0 0 0 0 0 6 15 4 0 0 0 0 25 WSW 0 0 0 0 0 10 7 3 0 0 0 0 20 W 0 0 0 0 0 4 7 1 0 0 0 0 12 NWN 0 0 0 0 0 2 10 1 0 0 0 0 13 NW 0 0 0 0 0 1 15 1 0 0 0 0 17 NNW 0 0 0 0 0 3 16 1 0 0 0 0 20 Total 0 0 0 0 3 74 189 61 5 0 0 0 332

Plant: Waterford 3 Year: 2018 Page 26 of 34 Annual Radioactive Effluent Release Report

1. Period of Record: 01/01/2018 - 12/31/2018
2. Stability Class: C
3. Elevation:10 m
4. Periods of calm hours: 0 Table 16, Hours of Each Wind Speed and Direction Stability Class C Wind Speed (mps)

Wind 0.22- 0.51- 0.76- 1.1- 1.6- 2.1- 3.1- 5.1- 7.1- 10.1- 13.1-

>18.0 Total Direction 0.50 0.75 1.0 1.5 2.0 3.0 5.0 7.0 10.0 13.0 18.0 N 0 0 0 0 2 7 14 8 5 0 0 0 36 NNE 0 0 0 0 6 10 4 2 0 0 0 0 22 NE 0 0 0 0 2 25 56 6 0 0 0 0 89 ENE 0 0 0 0 0 8 19 5 0 0 0 0 32 E 0 0 0 0 0 4 4 1 0 0 0 0 9 ESE 0 0 0 0 0 2 5 2 0 0 0 0 9 SE 0 0 0 0 0 4 7 2 0 0 0 0 13 SSE 0 0 0 0 2 13 16 17 1 0 0 0 49 S 0 0 0 1 0 14 11 11 5 0 0 0 42 SSW 0 0 0 1 5 7 9 7 1 0 0 0 30 SW 0 0 0 1 2 17 22 1 0 0 0 0 43 WSW 0 0 0 0 1 15 16 0 0 0 0 0 32 W 0 0 0 0 7 9 6 1 0 0 0 0 23 NWN 0 0 0 0 1 16 10 0 0 0 0 0 27 NW 0 0 0 0 1 5 12 2 0 0 0 0 20 NNW 0 0 0 0 1 8 16 0 0 0 0 0 25 Total 0 0 0 0 30 164 227 65 12 0 0 0 501

Plant: Waterford 3 Year: 2018 Page 27 of 34 Annual Radioactive Effluent Release Report

1. Period of Record: 01/01/2018 - 12/31/2018
2. Stability Class: D
3. Elevation:10 m
4. Periods of calm hours: 0 Table 17, Hours of Each Wind Speed and Direction Stability Class D Wind Speed (mps)

Wind 0.22- 0.51- 0.76- 1.1- 1.6- 2.1- 3.1- 5.1- 7.1- 10.1- 13.1-

>18.0 Total Direction 0.50 0.75 1.0 1.5 2.0 3.0 5.0 7.0 10.0 13.0 18.0 N 0 0 3 17 32 66 94 60 14 0 0 0 286 NNE 2 5 5 19 31 55 68 29 4 0 0 0 218 NE 0 1 3 15 21 105 157 20 3 0 0 0 325 ENE 0 1 0 5 17 53 83 14 0 0 0 0 173 E 0 0 0 2 7 14 43 8 0 0 0 0 74 ESE 0 0 1 3 3 16 35 19 0 0 0 0 77 SE 0 0 0 0 5 21 78 54 6 0 0 0 164 SSE 0 2 2 6 10 44 101 62 3 0 0 0 230 S 0 1 0 3 12 57 48 30 6 0 0 0 157 SSW 0 0 0 9 18 34 38 8 1 0 0 0 108 SW 0 0 1 7 24 34 52 2 0 0 0 0 120 WSW 0 1 0 6 14 51 50 1 0 0 0 0 123 W 0 0 3 14 41 56 34 1 0 0 0 0 149 NWN 0 2 1 6 26 45 29 2 0 0 0 0 111 NW 0 1 1 11 7 35 46 7 0 0 0 0 108 NNW 0 0 4 12 24 42 104 32 0 0 0 0 218 Total 2 14 24 135 292 728 1060 349 37 0 0 0 2641

Plant: Waterford 3 Year: 2018 Page 28 of 34 Annual Radioactive Effluent Release Report

1. Period of Record: 01/01/2018 - 12/31/2018
2. Stability Class: E
3. Elevation:10 m
4. Periods of calm hours: 0 Table 18, Hours of Each Wind Speed and Direction Stability Class E Wind Speed (mps)

Wind 0.22- 0.51- 0.76- 1.1- 1.6- 2.1- 3.1- 5.1- 7.1- 10.1- 13.1-

>18.0 Total Direction 0.50 0.75 1.0 1.5 2.0 3.0 5.0 7.0 10.0 13.0 18.0 N 2 6 7 28 32 69 72 15 0 0 0 0 231 NNE 2 5 4 20 33 78 68 5 0 0 0 0 215 NE 1 4 3 10 34 88 67 13 0 0 0 0 220 ENE 3 0 5 15 25 44 88 11 0 0 0 0 191 E 0 3 3 16 20 24 51 12 0 0 0 0 129 ESE 0 2 1 8 12 23 74 14 0 0 0 0 134 SE 0 1 6 4 15 53 98 12 9 2 0 0 200 SSE 0 1 3 11 45 149 107 4 0 0 0 0 320 S 0 4 9 40 46 86 52 2 2 0 0 0 241 SSW 1 5 8 63 57 56 22 6 0 0 0 0 218 SW 1 9 3 33 36 51 18 2 0 0 0 0 153 WSW 2 4 7 53 52 34 14 0 0 0 0 0 166 W 1 4 10 59 29 13 3 0 0 0 0 0 119 NWN 4 2 5 32 23 15 11 0 0 0 0 0 92 NW 0 0 8 26 18 35 10 5 0 0 0 0 102 NNW 0 5 2 20 31 57 64 0 0 0 0 0 179 Total 17 55 84 438 508 875 819 101 11 2 0 0 2910

Plant: Waterford 3 Year: 2018 Page 29 of 34 Annual Radioactive Effluent Release Report

1. Period of Record: 01/01/2018 - 12/31/2018
2. Stability Class: F
3. Elevation:10 m
4. Periods of calm hours: 0 Table 19, Hours of Each Wind Speed and Direction Stability Class F Wind Speed (mps)

Wind 0.22- 0.51- 0.76- 1.1- 1.6- 2.1- 3.1- 5.1- 7.1- 10.1- 13.1-

>18.0 Total Direction 0.50 0.75 1.0 1.5 2.0 3.0 5.0 7.0 10.0 13.0 18.0 N 0 6 3 12 16 4 2 0 0 0 0 0 43 NNE 0 3 7 4 4 3 0 0 0 0 0 0 21 NE 3 2 3 7 11 17 7 0 0 0 0 0 50 ENE 1 0 3 4 7 5 7 0 0 0 0 0 23 E 0 2 3 4 5 7 2 0 0 0 0 0 27 ESE 0 1 2 2 0 2 3 0 0 0 0 0 10 SE 1 1 0 2 3 6 4 0 0 0 0 0 17 SSE 1 6 6 20 45 73 6 0 0 0 0 0 157 S 3 7 20 72 52 22 0 0 0 0 0 0 176 SSW 5 14 40 114 31 8 0 0 0 0 0 0 212 SW 4 16 34 53 12 0 0 0 0 0 0 0 119 WSW 9 14 23 44 10 1 0 0 0 0 0 0 101 W 4 24 31 57 8 1 0 0 0 0 0 0 125 NWN 3 12 21 40 10 2 0 0 0 0 0 0 88 NW 2 3 5 20 3 0 0 0 0 0 0 0 33 NNW 1 4 8 7 6 3 2 0 0 0 0 0 31 Total 37 115 209 462 223 154 33 0 0 0 0 0 1233

Plant: Waterford 3 Year: 2018 Page 30 of 34 Annual Radioactive Effluent Release Report

1. Period of Record: 01/01/2018 - 12/31/2018
2. Stability Class: G
3. Elevation:10 m
4. Periods of calm hours: 0 Table 20, Hours of Each Wind Speed and Direction Stability Class G Wind Speed (mps)

Wind 0.22- 0.51- 0.76- 1.1- 1.6- 2.1- 3.1- 5.1- 7.1- 10.1- 13.1-

>18.0 Total Direction 0.50 0.75 1.0 1.5 2.0 3.0 5.0 7.0 10.0 13.0 18.0 N 4 10 3 6 2 0 0 0 0 0 0 0 25 NNE 2 6 3 3 5 0 0 0 0 0 0 0 19 NE 1 1 3 4 1 2 0 0 0 0 0 0 12 ENE 0 1 0 2 0 0 0 0 0 0 0 0 3 E 0 1 0 0 0 0 0 0 0 0 0 0 1 ESE 0 1 1 0 0 0 0 0 0 0 0 0 2 SE 0 0 1 1 0 0 0 0 0 0 0 0 2 SSE 2 1 3 4 3 4 2 0 0 0 0 0 19 S 3 4 9 27 10 4 0 0 0 0 0 0 57 SSW 5 10 30 90 26 1 0 0 0 0 0 0 162 SW 7 23 29 53 8 1 0 0 0 0 0 0 121 WSW 17 33 22 15 0 0 0 0 0 0 0 0 87 W 17 36 22 23 4 1 0 0 0 0 0 0 103 NWN 10 19 17 15 1 0 0 0 0 0 0 0 62 NW 8 13 12 1 0 0 0 0 0 0 0 0 34 NNW 5 12 8 1 1 1 0 0 0 0 0 0 28 Total 81 171 163 245 61 14 2 0 0 0 0 0 737

Plant: Waterford 3 Year: 2018 Page 31 of 34 Annual Radioactive Effluent Release Report 7.2 Stability Class Table 21, Classification of Atmospheric Stability Stability Condition Pasquill Categories Hours (Percentage)

Extremely Unstable A 3.2 Moderately Stable B 3.8 Slightly Unstable C 5.8 Neutral D 30.6 Slightly Stable E 33.7 Moderately Stable F 14.3 Extremely Stable G 8.5

Plant Name: Waterford 3 Year: 2018YEAR Page 32 of 34 Annual Radioactive Effluent Release Report Attachment 1 Page 1 of 1 Revised Offsite Dose Calculation Manual N/A

Waterford 3 Year: 2018 Page 33 of 34 Annual Radioactive Effluent Release Report Attachment 2 Page 1 of 1 Revised Process Control Program N/A

50-382 Rev. 2018 Page 34 of 34 Annual Radioactive Effluent Release Report Attachment 3 Page 1 of 1 Errata/Corrections to Previous ARERRs N/A

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