ML20129J901

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Annual Radioactive Effluent Release Report, 2019
ML20129J901
Person / Time
Site: San Onofre  Southern California Edison icon.png
Issue date: 04/28/2020
From: Bates A
Southern California Edison Co
To:
Document Control Desk, Office of Nuclear Material Safety and Safeguards, Office of Nuclear Reactor Regulation
References
Download: ML20129J901 (61)
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Text

1 1EDiso*N*

Al Bates Manager

[} Regulatory Affairs &

An EDISON INTERNATIONAL Company Nuclear Oversight 10 CFR 50.36(a)

April 28, 2020 ATTN: Document Control Desk U. S. Nuclear Regulatory Commission Washington, D.C. 20555-0001

Subject:

Annual Radioactive Effluent Release Report - 2019 San Onofre Nuclear Generating Station (SONGS), Units 1, 2 and 3 Docket Nos. 50-206, 50-361 and 50-362 In accordance with 10 CFR 50.36(a), San Onofre Nuclear Generating Station (SONGS) Unit 1 Permanently Defueled Technical Specification (TS) Section 06.9.1.4, and SONGS Units 2 and 3 Permanently Defueled TS Section 5.7.1.3, Southern California Edison (SCE) is submitting the Annual Radioactive Effluent Release Report - 2019 (ARERR) for SONGS, Units 1, 2, and 3 (Enclosure 1). The period of the report is January 1, 2019 through December 31, 2019.

The net result from the analysis of these effluent releases indicates that the operation of SONGS has met all the requirements of the applicable regulations that ensure adequate protection of the health of members of the public.

SONGS Unit 1 Permanently Defueled TS Section 06.14.2.3 and SONGS Units 2 and 3 Permanently Defueled TS Section 5.5.2.1.1 (c), require revisions made to the SONGS Offsit~

Dose Calculation Manual (ODCM) for this reporting period to be submitted with the ARERR.

There were no revisions made to the SONGS ODCM during this reporting period.

There are no commitments in this letter or the enclosure.

If you have any questions, please contact me at (949) 368-6945.

P. 0. Box 128 San Clemente, CA 92672

Document Control Desk

Enclosures:

1) San Onofre Nuclear Generation Station, Annual Radioactive Effluent Release Report 2019 cc: S. Morris, Regional Administrator, NRC Region IV R. Chang, NRC Project Manager A. M. Snyder NRC Project Manager R. K. Lupo, California Department of Public Health

Enclosure 1 San Onofre Nuclear Generation Station Annual Radioactive Effluent Release Report 2019 January - December

SAN ONOFRE NUCLEAR GENERATING STATION Annual Radioactive Effluent Release Report 2019 January - December

PREFACE San Onofre Nuclear Generating Station is located next to San Onofre State Beach, adjoining Camp Pendleton Marine Corps Base, in San Diego County, 64 miles south of Los Angeles, California. There were three operating pressurized water reactors.

Southern California Edison notified the Nuclear Regulatory Commission (NRC) on June 12, 2013, that it had permanently ceased operation of Units 2 and 3 on June 7, 2013. The notification, called a Certification of Permanent Cessation of Power Operations, sets the stage for SCE to begin preparations for decommissioning.

Unit 1 was supplied by Westinghouse Electric Company and began commercial operation on January 1, 1968. The unit was permanently shutdown on November 30, 1992. By August 31, 2004, all fuel was transferred to the Independent Spent Fuel Storage Installation (ISFSI). By November 29, 2006, remaining monitored effluent pathways were permanently removed from service. Currently, Unit 1 effluent pathway is routed to Unit 2 . Unit 1 is owned by Southern California Edison (80%) and San Diego Gas and Electric (20%).

Unit 2 and Unit 3 were supplied by Combustion Engineering, Inc., with turbine generators supplied by G.E.C.

Turbine Generators, Ltd., of England. The units began commercial operation on August 29, 1983, and April 1, 1984, respectively. The twin units are owned by Southern California (78.21 %), San Diego Gas and Electric (20%), and the City of Riverside (1.79%).

Effective December 29, 2006, the City of Anaheim had transferred its ownership interests in San Onofre Units 2 and 3 and the entitlement to the Units 2 and 3 output, to Southern California Edison Company, except that it retains its ownership interests in its spent nuclear fuel and Units 2 and 3's independent spent fuel storage installation located on the facility's site. In addition, the City of Anaheim retains financial responsibility for its spent fuel and for a portion of the Units 2 and 3 decommissioning costs. The City of Anaheim remains a licensee for purposes of its retained interests and liabilities.

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TABLE OF CONTENTS SECTION A - INTRODUCTION ....................................................................................................................................1 SECTION B - GASEOUS EFFLUENTS ........................................................................................................................2 SECTION C-LIQUID EFFLUENTS ...................................................................................;.......................................... 8 SECTION D - PREVIOUS RADIOACTIVE EFFLUENT RELEASE REPORT ADDENDUM ....................................... 15 SECTION E- RADWASTE SHIPMENTS ............................................ ~ ....................................................................... 16 SECTION F - APPLICABLE LIMITS ........................................................................................................................... 19 SECTION G-ESTIMATION OF ERROR....................................................................................................................23 SECTION H-10 CFR 50 APPENDIX I REQUIREMENTS ......................................................................................... 24 SECTION I - CHANGES TO OFFSITE DOSE CALCULATION MANUAL .................................................................. 28 SECTION J-CHANGES TO RADIOACTIVE WASTE TREATMENT SYSTEMS ....................................................... 29 SECTION K- MISCELLANEOUS ...............................................................................................................................30 Abnormal Release .........................................................................................................................................30 Effluent Monitoring Instruments Out of Service Greater Than 30 days .......................................................... 31 On site Groundwater Samples ........................................................................................................................ 32 40 CFR 190 Requirements ............................................................................................................................ 36 Carbon-14 ......................................................................................................................................................37 SECTION L- SONGS CONCLUSIONS ......................................................................................................................38 METEOROLOGY ........................................................................................................................................................39

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ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION A. INTRODUCTION This Annual Radioactive Effluent Release Report summarizes the gaseous and liquid radioactive effluent releases and radwaste shipments made from the San Onofre Nuclear Generating Station, Units 1, 2 and 3. This report is prepared in the general format of USNRC Regulatory Guide 1.21, Revision 1, and includes:

1. Quarterly Summaries of Gaseous for Continuous Mode of Release
2. Quarterly Summaries of Liquid Effluents for Continuous and Batch Modes of Release
3. Percent of Applicable Limits
4. Estimated Total Percent Error
5. Lower Limit of Detection Concentrations
6. Batch Summary Releases
7. Previous Radioactive Effluent Release Report Addendum
8. Radwaste Shipments
9. 10 CFR 50 Appendix I Requirements
10. Changes to Offsite Dose Calculation Manual These are acronyms used throughout the Annual Radioactive Effluent Release Report.

AL Applicable Limit ALARA As Low As Reasonably Achievable AR Action Request ARERR Annual Radioactive Effluent Release Report Ci Curies CR Condition Report DAS Data Acquisition System DEC Decommissioning ECL Effluent Concentration Limit GI-LLI Gastrointestinal Tract-Lower Large Intestine GPI Groundwater Protection Initiative ISFSI Independent Spent Fuel Storage Installation LLD Lower Limit of Detection m3 Meter cubed MPC Maximum Permissible Concentrations mRAD One thousandth Radiation Absorbed Dose mREM One thousandth of a Roentgen Equivalent Man N/A Not Applicable GW-NIA North Industrial Area formally know as Unit 1 NN Nuclear Notification used in site's corrective action program ODCM Offsite Dose Calculation Manual PCS Plant Computer System TLD Thermoluminescent Dosimeter uCi/sec Micro Curies per second X/Q Chi over q SYF South Yard Facility ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION B. GASEOUS EFFLUENTS Table 1A, "Gaseous Effluents Summation of All Releases," provides a detailed listing of gaseous effluents released quarterly in four categories: fission and activation gases, iodine 131, particulates with half-lives greater than eight days, and tritium. Listed for each of the four categories are:

(1) the total curies released (2) the average release rate (3) the percent of applicable limit (4) the estimated total error In addition, the particulate category lists the gross alpha radioactivity released for each quarter.

The methodology used to calculate the percent of Applicable Limit is presented in Section F of this report. The methodology used in Table 1A to calculate the estimated total error is presented in Section G of this report.

Table 1B, "Gaseous Effluents Elevated Release," has not been included in this report since San Onofre Nuclear Generating Station Units 2 and 3 do not conduct elevated releases.

Table 1C, "Gaseous Effluents Ground Level Releases," provides the systematic listing by radionuclide for the quantity of radioactivity released in three categories: fission gases, iodines, and particulates. The total radioactivity for each radionuclide is listed for each quarterly period for continuous mode of release. Containment purges and plant stack releases are considered to be continuous releases.

Table 1D, "Gaseous Effluents Lower Limit of Detection,. provides a listing of lower limit of detection concentrations for radionuclides not detected in Tables 1A and 1C.

- I Table 1E, "Gaseous Effluents Radiation Doses at the Site Boundary," provides a quarterly summary of doses at the site boundary for this report period.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE1A GASEOUS EFFLUENTS SUMMATION OF ALL RELEASES Estimated First Second Third Fourth Total Unit Quarter Quarter Quarter Quarter Error,%

A. Fission and activation gases

1. Total release Ci < LLD < LLD < LLD < LLD Average release rate for
2. µCi/sec N/A N/A N/A N/A period 3.00E+01
3. Percent of applicable limit %MPC N/A N/A N/A N/A Percent Effluent
4.  % ECL N/A N/A N/A N/A Concentration Limit
8. Iodines
1. Total 1-131 Ci < LLD < LLD < LLD < LLD Average release rate for
2. µCi/sec N/A N/A N/A N/A period 1.90E+01
3. Percent of applicable limit %MPC N/A N/A N/A N/A Percent Effluent
4.  % ECL N/A N/A N/A N/A Concentration Limit C. Particulates Particulates with half-lives
1. Ci < LLD < LLD 3.01E-06 < LLD

>8 days Average release rate for

2. µCi/sec N/A N/A 3.79E-07 N/A period 1.60E+01
3. Percent of applicable limit %MPC N/A N/A 3.64E-07 N/A Percent Effluent
4.  % ECL N/A N/A 9.09E-07 N/A Concentration Limit
5. Gross alpha activity Ci < LLD < LLD < LLD < LLD 5.00E+01 D. Tritium
1. Total release Ci 1.30E+OO 2.35E-01 2.14E+OO 6.61E+OO Average release rate for
2. µCi/sec 1.67E-01 2.99E-02 2.69E-01 8.32E-01 period 2.50E+01

. 3. Percent of applicable limit %MPC 4.01E-04 7.17E-05 6.46E-04 2.00E-03 Percent Effluent

4. %ECL 8.02E-04 1.43E-04 1.29E-03 3.99E-03 Concentration Limit ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE 1C GASEOUS EFFLUENTS GROUND LEVEL RELEASES BATCH MODE Batch gaseous releases were not performed at SON~S ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT-2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE 1C (Continued)

GASEOUS EFFLUENTS GROUND LEVEL RELEASES CONTINUOUS MODE First Second Third Fourth Radionuclides Released Unit Quarter Quarter Quarter Quarter

1. Fission and activation gases krypton-85 Ci <LLD <LLD <LLD <LLD krypton-85m Ci <LLD <LLD <LLD <LLD krypton-87 Ci '

<LLD <LLD <LLD <LLD krypton-88 Ci <LLD <LLD <LLD <LLD xenon-133 Ci <LLD <LLD <LLD <LLD xenon-133m Ci <LLD <LLD <LLD <LLD xenon-135 Ci <LLD <LLD <LLD <LLD xenon-135m Ci <LLD <LLD <LLD <LLD xenon-138 Ci <LLD <LLD <LLD <LLD Total for period Ci <LLD <LLD <LLD <LLD

2. Iodines iodine-131 Ci <LLD <LLD <LLD <LLD iodine-133 Ci <LLD <LLD <LLD <LLD iodine-135 Ci <LLD <LLD <LLD <LLD Total for period Ci <LLD <LLD <LLD <LLD
3. Particulates barium-140 Ci <LLD <LLD <LLD <LLD cerium-141 Ci <LLD <LLD <LLD <LLD cerium-144 Ci <LLD <LLD <LLD <LLD cesium-134 Ci <LLD <LLD <LLD <LLD cesium-137 Ci <LLD <LLD 3.01E-06 <LLD cobalt-58 Ci <LLD <LLD <LLD <LLD cobalt-60 Ci <LLD <LLD <LLD <LLD iron-59 Ci <LLD <LLD <LLD <LLD lanthanum-140 Ci <LLD <LLD <LLD <LLD manganese-54 Ci <LLD <LLD <LLD <LLD molybdenum-99 Ci <LLD <LLD <LLD <LLD strontium-89 Ci <LLD <LLD <LLD <LLD strontium-90 Ci <LLD <LLD <LLD <LLD zinc-65 Ci <LLD <LLD <LLD <LLD LLD Lower Limit of Detection; see Table 10.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE 1D GASEOUS EFFLUENTS LOWER LIMIT OF DETECTION Continuous Mode Batch Mode Radionuclides LLD (µCi/cc) LLD (µCi/cc)

1. Fission and activation gases krypton-85 2.20E-05 N/A -

krypton-85m 5.50E-08 N/A krypton-87 2.?0E-07 N/A krypton-88 1.90E-07 N/A xenon-133 1.40E-07 N/A xenon-133m 4.40E-07 N/A xenon-135 5.?0E-08 N/A xenon-135m 2.10E-06 N/A xenon-138 3.?0E-06 N/A

2. Iodines iodine-131 2.30E-13 N/A iodine-133 2.20E-12 N/A iodine-135 1.50E-10 N/A
3. Particulates barium-140 4.80E-13 N/A cerium-141 5.80E-14 N/A cerium-144 2.30E-13 N/A cesium-134 '

1.30E-13 N/A cesium-137 1.10E-13 N/A cobalt-58 1.20E-13 N/A cobalt-60 1.90E-13 N/A iron-59 3.00E-13 N/A lanthanum-140 9.?0E-13 N/A manganese-54 1.20E-13 - N/A molybdenum-99 7.00E-14 N/A strontium-89 1.00E-11 N/A strontium-90 1.00E-11 N/A zinc-65 3.20E-13 N/A

4. Tritium N/A N/A
5. Alpha 1.00E-11 . N/A

/

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE 1E GASEOUS EFFLUENTS RADIATION DOSES AT THE SITE BOUNDARY First Second Third Fourth Radionuclides Released Unit Quarter Quarter Quarter Quarter A. Noble Gas

1. Gamma Air Dose Mrad O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO
2. Percent of Applicable Limit  % O.OOE+OO O:OOE+OO O.OOE+OO O.OOE+OO
3. Beta Air Dose Mrad O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO
4. Percent Applicable Limit  % O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO B. Tritium, Iodine, Particulates (at the nearest receptor)
1. Organ Dose Mrem 3.71 E-05 6.69E-06 6.41E-05 1.88E-04
2. Percent of Applicable Limit  % 2.47E-04 4.46E-05 4.27E-04 1.25E-03 NOTE: Calculations performed in accordance with the ODCM utilizing the historical X/Q.

TABLE 1F GASEOUS EFFLUENTS BATCH RELEASE

SUMMARY

Batch gaseous releases were not performed at SONGS.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION C. LIQUID EFFLUENTS Table 2A, "Liquid Effluents Summation of All Releases," provides a detailed summary of liquid effluents released quarterly in three categories: fission and activation products, trith.Jm, and dissolved and entrained gases. Listed for each of the three categories are: '

(1) the total curies released (2) the average diluted concentration (3) the percent of applicable limit (4) the estimated total error In addition, Table 2A lists:

(1) the gross alpha radioactivity (2) the volume of waste released (prior to dilution)

(3) the volume of dilution water The methodology used to calculate the percent of applicable limit is presented in Section F of this report. The methodology used to calculate the estimated total error in Table 2A is presented in Section G of this report.

Table 28, "Liquid Effluents," provides the systematic listing by radionuclide for the quantity of radioactivity released in each category. The total radioactivity of each radionuclide released is listed for each quarterly period by both "continuous" and "batch" modes of release.

Table 2C, "Liquid Effluents Lower Limit of Detection," provides a listing of lower limit of detection concentrations for radionuclides not detected in Table 28.

Table 20, "Liquid Effluents Radiation Doses at the Liquid Site Boundary," presents a quarterly summary of doses at the Liquid Site Boundary for this report period.

Table 2E, "Liquid Effluents Batch Release Summary," provides summary information regarding batch releases conducted during this report period from San Onofre Nuclear Generating Station.

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ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT- 2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE2A LIQUID EFFLUENTS SUMMATION OF ALL RELEASES Estimated First Second Third Fourth Total Unit Quarter Quarter Quarter Quarter Error,%

A. Fission and activation products Total release (not

1. including tritium, gases, Ci 1.12E-05 2.39E-05 <LLD 1.68E-05 alpha)

Average diluted

2. concentration during µCi/ml 1.55E-12 2.99E-12 N/A 2.07E-12 period 1.90E+01
3. Percent of applicable limit %MPG 7.74E-06 1.50E-05 N/A 9.10E-6 Percent Effluent 4.

Concentration Limit

%EGL 1.55E-04 2.99E-04 N/A 1.57E-4 B. Tritium

1. Total release Ci <LLD 8.69E-03 <LLD 2.47E-03 Average diluted
2. concentration during µCi/ml N/A 1.09E-09 N/A 3.04E-10 period 1.90E+01
3. Percent of applicable limit %MPG N/A 3.63E-05 N/A 1.01E-05 Percent Effluent 4.

Concentration Limit

% ECL N/A 1.09E-04 N/A 3.04E-05 C. Dissolved and entrained gases

1. Total release Ci <LLD <LLD <LLD <LLD Average diluted
2. concentration during µCi/ml N/A N/A N/A N/A period 1.90E+01
3. Percent of applicable limit %MPG N/A N/A N/A N/A PerceQ_t Effluent 4.

Concentration Limit

% ECL N/A N/A N/A N/A D. Gross alpha activity

1. Total release Ci <LLD <LLD <LLD <LLD 5.00E+01 Volume. of waste released E.

(batch & continuous, prior to liters 1.18E+07 2.80E+06 1.26E+06 8.33E+06 5.00E+OO dilution)

F. Volume of dilution water used liters 7.23E+09 7.98E+09 8.15E+09 8.11 E+09 5.00E+OO during period ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE 28 LIQUID EFFLUENTS CONTINUOUS MODE First Second Third Fourth Radionuclides Released Unit Quarter Quarter Quarter Quarter

1. Fission and activation products barium-140 Ci <LLD <LLD <LLD <LLD cerium-141 Ci <LLD <LLD <LLD <LLD cerium-144 Ci <LLD <LLD <LLD <LLD cesium-134 Ci <LLD <LLD <LLD <LLD cesium-137 Ci 1.12E-05 2.39E-05 <LLD 9.43E-06 chromium-51 Ci <LLD <LLD <LLD <LLD cobalt-58 Ci <LLD <LLD <LLD <LLD cobalt-60 Ci <LLD <LLD <LLD <LLD iodine-131 Ci <LLD <LLD <LLD <LLD iron-55 Ci <LLD <LLD <LLD <LLD iron-59 Ci <LLD <LLD <LLD <LLD lanthanum-140 Ci <LLD <LLD <LLD <LLD manganese-54 Ci <LLD <LLD <LLD <LLD molybdenum-99 Ci <LLD <LLD <LLD <LLD niobium-95 Ci <LLD <LLD <LLD <LLD strontium-89 Ci <LLD <LLD <LLD <LLD strontium-90 Ci <LLD <LLD <LLD <LLD technetium-99m Ci <LLD <LLD <LLD <LLD zinc-65 Ci <LLD <LLD <LLD <LLD zirconium-95 Ci <LLD <LLD <LLD <LLD Total for period Ci 1.12E-05 2.39E-05 <LLD 9.43E-06
2. Dissolved and entrained gases xenon-133 Ci <LLD <LLD <LLD <LLD xenon-135 Ci <LLD <LLD <LLD <LLD Total for period Ci <LLD <LLD <LLD <LLD LLD Lower Limit of Detection; see Table 2C.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE 2B (Continued)

LIQUID EFFLUENTS BATCH MODE First Second Third Fourth Radionuclides Released Unit Quarter Quarter Quarter Quarter

1. Fission and activation products barium-140 Ci N/A N/A N/A <LLD cerium-141 Ci N/A N/A N/A <LLD cerium-144 Ci N/A N/A N/A <LLD cesium-134 Ci N/A N/A N/A <LLD cesium-137 Ci N/A N/A N/A 1.26E-06 chromium-51 Ci N/A N/A N/A <LLD cobalt-58 Ci N/A N/A N/A <LLD cobalt-60 Ci N/A N/A N/A 6.09E-06 iodine-131 Ci N/A N/A N/A <LLD iron-55 Ci N/A N/A N/A <LLD iron-59 Ci N/A N/A N/A <LLD lanthanum-140 Ci N/A N/A N/A <LLD manganese-54 Ci N/A N/A N/A <LLD molybdenum-99 Ci N/A N/A N/A <LLD niobium-95 Ci N/A N/A N/A <LLD strontium-89 Ci N/A N/A N/A <LLD strontium-90 Ci N/A N/A N/A <LLD technetium-99m Ci N/A N/A N/A <LLD zinc-65 Ci N/A N/A N/A <LLD zirconium-95 Ci N/A N/A .N/A <LLD Total for period Ci N/A N/A N/A 7.35E-06
2. Dissolved and entrained gases xenon-133 Ci N/A N/A N/A <LLD xenon-135 Ci N/A N/A N/A <LLD Total for period Ci N/A N/A N/A <LLD LLD Lower Limit of Detection; see Table 2C.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE2C LIQUID EFFLUENTS LOWER LIMIT OF DETECTION Continuous Mode Batch Mode Radionuclides LLD (µCi/cc) LLD (µCi/cc)

1. Fission and activation products barium-140 3.30E-07 2.?0E-07 cerium-141 4.50E-08 4.40E-08 cerium-144 1.90E-07 1.90E-07 cesium-134 8.50E-08 8.50E-08 cesium-137 7.30E-08 7.30E-08 chromium-51 3.60E-07 3.30E-07 cobalt-58 7.?0E-08 7.50E-08 cobalt-60 1.10E-07 1.10E-07 iodine-131 6.40E-08 4.80E-08 iron-55 1.00E-06 1.00E-06 iron-59 1.80E-07 1.?0E-07 lanthanum-140 6.40E-07 2.10E-07 manganese-54 7.60E-08 7.60E-08 molybdenum-99 6.00E-08 2.90E-08 niobium-95 7.?0E-08 7.20E-08 strontium-89 5.00E-08 5.00E-08 strontium-90 5.00E-08 5.00E-08 technetium-99m 6.10E-08 3.00E-08 zinc-65 1.90E-07 1.90E-07 zirconium-95 1.30E-07 1.30E-07
2. Dissolved and entrained gases xenon-133 2.50E-07 2.50E-07 xenon-135 9.60E-08 9.60E-08
3. Tritium 1.00E-05 1.00E-05
4. Gross Alpha 1.00E-07 1.00E-07 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE2D LIQUID EFFLUENTS RADIATION DOSES AT THE LIQUID SITE BOUNDARY First Second Third Fourth Unit Quarter Quarter Quarter Quarter A.
1. Total body dose mrem 2.55E-05 5.33E-05 O.OOE+OO 2.83E-05
2. Percent of Applicable Limit  % 8.50E-04 1.78E-03 O.OOE+OO 9.43E-04 8.
1. Limiting organ dose mrem 3.90E-05 8.12E-05 O.OOE+OO 5.29E-05
2. Limiting organ for period Liver Liver N/A GI-LLI
3. Percent of Applicable Limit  % 3.90E-04 8.12E-04 O.OOE+OO 5.29E-04 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT-2019 SAN ONOFRE NUCLEAR GENERATING STATI ON TABLE2E LIQUID EFFLUENTS BATCH RELEASE SUMMA RY 12 month period
1. Number of batch releases: 1 release
2. Total time period for batch releases: 47 minutes
3. Maximum time period for a batch release: 47 minutes
4. Average time period for a batch release: 47 minutes
5. Minimum time period for a batch release: 47 minutes
6. Average saltwater flow during batch releases: 16741 gpm c_,

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION D. PREVIOUS RADIOACTIVE EFFLUENT RELEASE REPORT ADDENDUM

  • The following corrections are to 2018 ARERR Table 2B "Liquid Effluents Continuous Mode" where <LLD values were reported.

First Second Third Fourth Radionuclides Released Unit Quarter Quarter Quarter Quarter

1. Fission and activation products Total for period Ci <LLD 5.37E-04 3.87E-04 3.71 E-05
  • The following correction is to 2018 ARERR Section L "SONGS Conclusions" where incorrect radiation dose at the highest receptor was reported.

The radiation doses from gaseous releases were: (a) gamma air dose: O.OOE+OO mrad at the site boundary, (b) beta air dose: O.OOE+OO mrad at the site boundary, (c) organ dose (Child - Liver, Thyroid, Kidney, Lung, and GI-LLI): 2.83E-03 mrem at the highest receptor.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION E. RADWASTE SHIPMENTS TABLE 3 (Units 2 & 3)

SOLID WASTE AND IRRADIATED FUEL SHIPMENT A. SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL (Not Irradiated Fuel) 12 month Estimated total

1. Type of waste Unit period error(%)
a. Spent resins, filter sludge, evaporator m3 bottoms N/A N/A Ci N/A
b. Dry active waste (DAW), compactable and m3 non-compactable 6.56E+01 30%

Ci 2.19E-02 C. Irradiated components m3 N/A N/A Ci N/A

d. Other: Filters m3 N/A N/A Ci N/A N/A: No shipments containing these items made in 2019.

J

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT -2019 SAN ONOFRE NUCLEAR GENERATING STATION A. SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL (Not Irradiated Fuel) 2a. Estimate of major nuclide composition (U2 and U3 Resin) There were no resin shipments in 2019 2b. Estimate of major nuclide composition [U2 and 3 Dry Active Waste (DAW)]

Carbon-14  % 1.41E+OO lron-55  % 5.24E+OO Cobalt-60  % 6.83E+OO Nickel-63  % 6.82E+01 Antimony-125  % 5.00E-01 Cesium-134  % 1.50E-01 Cesium-137  % 1.76E+01 Cerium-144  % 3.00E-02 Plutonium-238  % 2.00E-02 Americium-241  % 2.00E-02 2c. Estimate of major nuclide composition (U2 and U3 Irradiated Components) There were no irradiated components shipments in 2019 2d. Estimate of major nuclide composition (U2 and U3 Filters) There were no filter shipments in 2019

3. Solid Waste Disposition Number of Shipments Mode of Transportation Destination 2* Tractor Trailer EnergySolutions LLC, Clive Utah Disposal Site Notes:
  • Two shipments were made in 2019 from San Onofre (SONGS SDS) to EnergySo/utions Clive Utah Disposal Site.

SONGS SDS maintains a contract with a vendor Bear Creek Operations (BCO) that provides volume reduction services. No shipments were made from SONGS SDS to BCO for volume reduction in 2019. No shipment were made from BCO to direct burial on SONGS SDS behalf in 2019.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT -2019 SAN ONOFRE NUCLEAR GENERATING STATION B. IRRADIATED FUEL SHIPMENTS (Disposition)

Number of Shipments Mode of Transportation Destination None No shipments were made in 2019 N/A C. DEWATERING Number of Containers Solidification Agent None N/A CHANGES TO THE PROCESS CONTROL PROGRAM AT SAN ONOFRE UNITS 1, 2 & 3

1) Changes made to the Process Control Program: There were no changes made that impacted the Process Control Program in 2019.
2)

References:

a. Procedure S0123-Vll-20, Radiation Protection Program
b. Procedure SDS-WM1-PCD-0018, Radwaste Process Control Program
c. Procedure SDS-CH2-PCD-1005, Annual Radioactive Effluent Release Report
d. Regulatory Guide 1.21, Rev.1-June 1974 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION F. APPLICABLE LIMITS Gaseous Effluents Applicable Limits The percent of Applicable Limits, tabulated in Sections A, 8, C, and D of Table 1A, were calculated using the following equation: *
  • % Applicable Limit (%MPC) = (Rel Rate) (X/Q) (100)

MPCe1t* (1E+6) where: Rel Rate = total microcuries released in each category and each quarter, divided by the seconds in a quarter; the value in Sections A.2, 8.2, C.2 and D.2 of Table 1A, µCi/sec.

X/Q = 4.80E-6 sec/m 3; the annual average atmospheric dispersion defined in the ODCM.

1E+6 = conversion from m3to cc

I--'-

i=1 MPC i where: Fi = fractional concentration of the i1h radionuclide obtained by dividing the activity (curies) for each radionuclide, Ci, by the sum of all the isotopic activity, Cr.

= total number of radionuclides identified

= Maximum Permissible Concentration (MPC) of the i1h radionuclide from 10 CFR 20 (20.1-20.602), Appendix 8, Table II, Column 1.

  • % Applicable Limit (% ECL) = (Rel Rate) (X/Q) (100)

ECLe1t* (1E+6) where: Rel Rate = total microcuries released in each category and each quarter, divided by the seconds in a quarter; the value in Sections A.2, 8.2, C.2 and D.2 of Table 1A, µCi/sec.

X/Q = 4.80E-06 sec/m3; the annual average atmospheric dispersion defined in the ODCM.

1E+6 = conversion from m3 to cc

I-'-

i=l ECL i where: Fi = fractional concentration of the i1h radionuclide obtained by dividing the activity (curies) for each radionuclide, Ci, by the sum of all the isotopic activity, Cr.

= total number of radionuclides identified

= Effluent Concentration Limit (ECL) of the i1h radionuclide from 10 CFR 20 (20.1001-20.2402), Appendix B, Table 2, Column 1.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT -2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION F. APPLICABLE LIMITS (Continued)

Liquid Effluents Applicable Limits The percent of Applicable Limits, tabulated in Sections A, 8, and C of Table 2A, were calculated using the following equations:

  • % Applicable Limit (%MPG) = (Dil Cone) (100)

MPCert where: Dil Cone = total microcuries released in each category and each quarter divided by the total volume released (sum of Sections E and Fin Table 2A); the value in Sections A.2, 8.2, and C.2 of Table 2A, µCi/ml.

L--'-

i=1 MPC i where: Fi = fractional concentration of the ith radionuclide obtained by dividing the activity (curies) for each radionuclide, Ci, by the sum of all the isotopic activity, Cr.

= total number of radionuclides identified

= Maximum Permissible Concentration (MPC) of the ith radionuclide from 10 CFR 20 (20.1-20.602), Appendix 8, Table II, Column 2.

  • % Applicable Limit (% ECL) = (Dil Cone) (100)

ECLert where: Dil Cone = total microcuries released in each category and each quarter divided by the total volume released (sum of Sections E and Fin Table 2A); the value in Sections A.2, 8.2, and C.2 of Table 2A, µCi/ml.

L-'-

i=1 ECL i where: Fi = fractional concentration of the ith radionuclide obtained by dividing the activity (curies) for each radionuclide, Ci, by the sum of all the isotopic activity, Cr.

= total number of radionuclides identified

= Effluent Concentration Limit (ECL) of the ith radionuclide from 10 CFR 20 (20.1001-20.2402), Appendix 8, Table 2, Column 2.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION F. APPLICABLE LIMITS {Continued)

APPENDIX A GASEOUS EFFLUENTS -APPLICABLE LIMITS A. Table 1A lists the total curies released and the release rate. The percent of applicable limit compares the release concentration limits of 10 CFR 20 Appendix B, Table II, Column 1.

B. Table 1E lists the air doses as calculated using the historical X/Q. The air dose due to noble gases released in gaseous effluents from SONGS (per unit) to areas at and beyond the site boundary shall be limited to the following values:

1. During any calendar quarter: s 5 mrad for gamma radiation and s 10 mrad for beta radiation.
2. During any calendar year: s 10 mrad for gamma radiation and s 20 mrad for beta radiation.

C. The dose to a Member of the Public from iodines, tritium, and radionuclides in particulate form with half-lives greater than eight days in gaseous effluents released from SONGS (per unit) to areas at and beyond the site

. boundary shall be limited to the following values:

1. During any calendar quarter: s 7.5 mrem to any organ.
2. During any calendar year: s 15 mrem to any organ.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION F. APPLICABLE LIMITS (Continued)

APPENDIX A (Continued)

LIQUID EFFLUENTS -APPLICABLE LIMITS A. Table 2A lists the total curies released, the diluted concentration, and percent of applicable limit. The percent of applicable limit compares the diluted concentration of radioactive material released to the concentrations specified in 10 CFR 20 Appendix B, Table II, Column 2 for radionuclides other than dissolved or entrained gases. For dissolved or entrained noble gases, the concentration is limited to 2.00E-04 µCi/ml.

B. Table 2D lists the doses due to liquid releases. The dose commitment to a Member of the Public from radioactive materials in liquid effluents released from SONGS (per unit) to unrestricted areas shall be limited to the following values:

\_

1. During any calendar quarter: s 1.5 mrem to the total body and s 5 mrem to any organ.
2. During any calendar year: s 3 mrem to the total body and s 10 mrem to any organ.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT-2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION G. ESTIMATION OF ERROR Estimations of the error in reported values of gaseous and liquid effluents releases have been made.

Sources of error for gaseous effluents batch releases are:

(1) Tank volumes (2) Sampling (3) Counting (4) Calibration Sources of error for gaseous effluents - continuous releases are:

(1) Fan flow rate (2) Sampling (3) Counting (4) Calibration (5) Differential pressure drop Sources of error for liquid effluents - batch releases are:

(1) Tank volumes (2) Sampling (3) Counting (4) Calibration Sources of error for liquid effluents - continuous releases are:

(1) Dilution flow rate (2) Sampling (3) Counting (4) Calibration These sources of error are independent, and thus, the total error is calculated according to the following formula:

~ 2 2 2 2 Total Error = 0'1 +a2+CT3, .. ()i where: = Error associated with each component.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION H. 10 CFR 50 APPENDIX I REQUIREMENTS Table 1 in Section H presents the quarterly and annual maximum dose to an individual. Six different categories are presented:

(1) Liquid Effluents - Whole Body (2) Liquid Effluents - Organ (3) Airborne Effluents - Tritium, Iodines and Particulates (4) Noble Gases - Gamma (5) Noble Gases - Beta (6) Direct Radiation Each portion of each category is footnoted to briefly describe each maximum individual dose presented .

./

The doses for each category are derived as follows:

A. Categories 1 and 2 are calculated using the ODCM methodology. In addition, this data is presented in Table 2D.

B. Categories 3, 4, and 5 are calculated utilizing RETDAS, Regulatory Guide 1.109 methodology, and concurrent meteorology. However, Table IE of (Gaseous Effluents, Section B) lists data similar to categories 3, 4, and 5 using methods described in the ODCM and the historical meteorology (X/Q).

C. Category 6 presents direct dose data measured by TLD dosimeters.

For individuals who may, at times, be within the Site boundary, the occupancy of the individual will be sufficiently low to compensate for any increase in the atmospheric diffusion factor above that for the Site boundary1. For members of the public who traverse the Site boundary (e.g., via highway 1-5), the residency time is considered negligible and hence the dose is "O."

Table 2 in Section H presents the percent of Applicable Limits for each dose presented in Table 1.

1 ODCM Figures 1-2 and 2-2 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE 1 Dose* (millirems)

First Second Third Fourth SOURCE Quarter Quarter Quarter Quarter Year LIQUID EFFLUENTS 1) 2) 3) 4) 5)

Whole Body 2.55E-05 5.33E-05 O.OOE+OO 2.83E-05 1.07E-04

6) 7) 8) 9) 10)

Organ 3.90E-05 8.12E-05 O.OOE+OO 5.29E-05 1.57E-04 AIRBORNE EFFLUENTS 11) 12) 13) 14) 15)

Tritium, Iodines, and 3.97E-04 4.39E-05 6.66E-04 1.62E-03 2.73E-03 Particulates NOBLE GASES ** 16) 17) 18) 19) 20)

Gamma O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO

21) 22) 23) 24) 25)

Beta d.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO

26) 27) 28) 29) 30)

DIRECT RADIATION 6.57E-02 9.07E-02 6.45E-02 8.38E-02 3.05E-01

  • The numbered footnotes below briefly explain how each maximum dose was calculated, including the organ and the predominant pathway(s).
    • Noble gas doses due to airborne effluent are in units of mrad, reflecting the air dose
1. This value was calculated using the methodology of the ODCM.
2. This value was calculated using the methodology of the ODCM.
3. No liquid radioactive effluent releases occurred during this quarter.
4. This value was calculated using the methodology of the ODCM.
5. This value was calculated using the methodology of the ODCM.
6. This value was calculated using the methodology of the ODCM; the Liver received the maximum dose.
7. This value was calculated using the methodology of the ODCM; the Liver received the maximum dose.
8. No liquid radioactive effluent releases occurred during this quarter.
9. This value was calculated using the methodology of the ODCM; the GI-LLI received the maximum dose.
10. This value was calculated using the methodology of the ODCM; the Liver received the maximum dose.
11. The maximum organ dose was to a child's Liver, Thyroid, Kidney, Lung, and GI-LLI and was located in the NNW sector. This was calculated using the assumptions of USN RC Regulatory Guide 1.109.
12. The maximum organ dose was to a child's Liver, Thyroid, Kidney, Lung, and GI-LLI and was located in the NNW sector. This was calculated using the assumptions of USNRC Regulatory Guide 1.109.
13. The maximum organ dose was to a child's Liver and was located in the NNW sector. This was calculated using the assumptions of USN RC Regulatory Guide 1.109.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION

14. The maximum organ dose was to a child's Liver, Thyroid, Kidney, Lung, and GI-LLI and was located in the NNW sector. This was calculated using the assumptions of USN RC Regulatory Guide 1.109.
15. The maximum prgan dose was to a child's Liver and was located in the NNW sector. This was calculated using the assumptions of USN RC Regulatory Guide 1.109.
16. No noble gas radioactive effluent releases occurred during this quarter.
17. No noble gas radioactive effluent releases occurred during this quarter.
18. No noble gas radioactive effluent releases occurred during this quarter.
19. No noble gas radioactive effluent releases occurred during this quarter.
20. No noble gas radioactive effluent releases occurred during this year.
21. No noble gas radioactive effluent releases occurred during this quarter.
22. No noble gas radioactive effluent releases occurred during this quarter.
23. No noble gas radioactive effluent releases occurred during this quarter.
24. No noble gas radioactive effluent releases occurred during this quarter.
25. No noble gas radioactive effluent releases occurred during this year.
26. Measurements were made using TLD dosimeters; values are presented as site wide dose and are prorated to 300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br /> per year; highest dose was measured at the Site Boundary in the WNW sector.
27. Measurements*were made using TLD dosimeters; values are presented as site wide dose and are prorated to 300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br /> per year; highest dose was measured at the Site Boundary in the WNW sector.
28. Measurements were made using TLD dosimeters; values are presented as site wide dose and are prorated to 300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br /> per year; highest dose was measured at the Site Boundary in the WNW sector.
29. Measurements were made using TLD dosimeters; values are presented as site wide dose and are prorated to 300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br /> per year; highest dose was measured at the Site Boundary in the WNW sector.
30. Measurements were made using TLD dosimeters; values are presented as site wide dose and are prorated to 300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br /> per year; highest dose was measured at the Site Boundary in the WNW sector.

NOTES:

1) TLD 11, (former Visitor Center) was removed from its station by an unknown external action sometime during the 2nd Q 2019. (CR SDS-000593)
2) The South Yard Facitliy weekly particulate filter collected on 4/10/19 was not centered in filter holder. Since the filter was only slightly off-set, sample flow bypassing the filter was minimal and a sufficient amount of sample was collected for analysis. The gamma scan. identified only natural isotopes and the activities were very similar to previous sample results. There has been no licensed material detected in these samples for many years.

(CR SDS-000522, AR 0419-43754)

3) The Unit 2 Containment Purge required weekly noble gas and tritium samples were not collected on 6/25/19.

Containment ventilation was in service for a maximum of 45 minutes. Noble gas and tritium samples from U2 Containment were obtained and analyzed on 7/9/19. Noble gas activity was< MDA and tritium activity was

>MDA and were consistent with prior containment samples. The tritium activity was used to determine curies released and dose to the public per the S0123-0DCM (CR SDS-000585, AR 0719-52997)

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT-2019 SAN ONOFRE NUCLEAR GENERATING STATION TABLE2 Percent Applicable Limit First Second Third Fourth SOURCE Quarter Quarter Quarter Quarter Year LIQUID EFFLUENTS Whole Body 8.50E-04 1.78E-03 O.OOE+OO 9.43E-04 1.79E-03 Organ 3.90E-04 8.12E-04 O.OOE+OO 5.29E-04 7.84E-04 AIRBORNE EFFLUENTS Tritium, Iodines, and 2.65E-03 2.92E-04 4.44E-03 1.0BE-02 9.10E-03 Particulates NOBLE GASES Gamma O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Beta O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO NOTE: Direct Radiation is not specifically addressed in the Applicable Limits.

l I

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION I. CHANGES TO THE OFFSITE DOSE CALCULATION MANUAL There were no changes to the SONGS Offsite Dose Calculation Manual in 2019.

The Land Use Census (LUC) for 2019 identified a new location with a higher calculated or committed dose than those calculated for the locations evaluated in the previous revision to the ODCM due to change in occupancy factor from 0.2466 to 1.0. Therefore, this new location is reported per ODCM 5.2.1 and will be incorporated in the next feasible revision to the ODCM.

TABLE 2-6 UNITS 2&3 CONTROLLING LOCATION FACTORS1 2:kRikwk Radionuclide mrem/yr per µCi/sec Use:

H-3 1.29E-03 Q: Sorb Rec Beach Cr-51 4.43E-02 Q: Sorb Rec Beach Mn-54 8.98E+OO Q: Sorb Rec Beach Co-57 1.73E+OO Q: Sorb Rec Beach Co-58 3.19E+OO Q: Sorb Rec Beach Co-60 1.19E+02 Q: Sorb Rec Beach Sr-89 1.75E+01 Q: SC Res with Garden Sr-90 \ 6.88E+02 Q: SC Res with Garden Zr-95 3.92E+OO Q: Sorb Rec Beach Nb-95 9.03E+OO E: Deer Consumer/Hunter Ru-103 1.43E+01 E: Deer Consumer/Hunter Te-129M 6.49E+OO E: Deer Consumer/Hunter Cs-134 3.41 E+01 Q: Sorb Rec Beach Cs-136 7.68E-01 Q: Sorb Rec Beach Cs-137 5.01E+01 Q: Sorb Rec Beach Ba-140 2.09E+OO Q: Sorb Rec Beach Ce-141 6.74E-01 Q: Sorb Rec Beach Ce-144 1.32E+01 Q: Sorb Rec Beach 1-131 2.58E+01 Q: SC Res with Garden 1-132 1.94E-01 Q: Sorb Rec Beach 1-133 3.77E+OO Q: Sorb Rec Beach 1-134 5.27E-02 Q: Sorb Rec Beach 1-135 7.95E-01 Q: Sorb Rec Beach UN-ID 4.94E+OO Q: Sorb Rec Beach These values to be used in manual calculations are the maximum LkRikWk for all locations based on the most restrictive age group.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT-2019 SAN ONOFRE NUCLEAR GENERATING STATION _

SECTION J. CHANGES TO RADIOACTIVE WASTE TREATMENT SYSTEMS There were no changes to the Liquid Radioactive Waste Treatment System in 2019.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT-2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION K. MISCELLANEOUS ABNORMAL RELEASES There were no abnormal releases from SONGS in 2019.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION EFFLUENT MONITORING INSTRUMENTS OUT OF SERVICE GREATER THAN 30 DAYS January 1, 2019 - December 31, 2019 Instrument lnoperability Period lnoperability Cause Explanation I

Meteorological Tower 10 Meter Air Due to troubleshooting and parts lead 05/20/19 - 10/24/2019 Temperature Channel Temperature Probes time. (AR 0519-80240, 1019-22236) 2 reading low 2/3RE-7813 Liquid Due to modifications to the radwaste Radwaste Radiation Implementing treatment system. Note that no 06/20/2018 - 04/09/19 Engineering Design Monitor radwaste releases were performed in Plan FE7643 Process Flow this timeframe. (SDS-EN1-EDP-0005

  • Requires assessment and long 3RE-7828 Unit 3 Heat Trace over- preparation time due to location of failed Containment Purge 10/20/2019 - Present temperature condition equipment (MWP SDS-1019-58129-1, Radiation Monitor ARs 1019-60997, 1119-25832)

NIA process flow element and control NIA Yard Drain Sump Instrument failure panel required replacement with new Effluent Flow Instrument during performance of 09/23/19 -10/30/19 equipment (Order SDS-9019-92182-2 Channel Functional 2/3FQl-6095 with attached ECP, AR 1019-58101, Test 0919-92182)

Note:

ONSITE GROUND WATER SAMPLES In 2007, the Nuclear Energy Institute (NEI) established a standard for monitoring and reporting radioactive isotopes in groundwater titled NEI Groundwater Protection Initiative, NEI 07-07. It has been established that there is no drinking water pathway for groundwater underneath SONGS. However, the site implemented the groundwater protection industry standard. This section provides results of on-site samples of ground water that were obtained as part of SCE's implementation of the voluntary industry Ground Water Protection Initiative. The sample locations and the frequency of sampling may change over time. The Groundwater Monitoring Wells that are in the Groundwater Protection Initiative are NIA-1, NIA-2, NIA-12, NIA-13, PA-1, PA-2, PA-3, PA-4, OCA-1, OCA-2, and OCA-3. These wells are sampled on a quarterly basis.

  • Groundwater sample data indicated the presence of low, but detectable levels of tritium in shallow ground water in the area formerly occupied by Unit 1 known as the North Industrial Area (NIA). The concentrations of tritium are well below regulatory limits.

Low tritium concentrations are present in the shallow ground water situated between the former Unit 1 Containment and Fuel Handling Building, and extend towards the seawall. Although these samples indicate the presence of tritium, the sample results were at concentrations below the Environmental Protection Agency drinking water limit of 20,000 pCi/1.

The site continues to sample and analyze the groundwater monitoring wells in accordance to the site's Groundwater Monitoring Program. In addition, the site samples, analyzes and documents other groundwater wells that are identified as investigatory wells. The groundwater investigatory wells analysis results are documented in this report.

The groundwater investigatory wells are identified as NIA-3 through NIA-15.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION K. MISCELLANEOUS (Continued)

ONSITE GROUND WATER SAMPLES January 1, 2019-December 31, 2019 Tritium Activity Gamma Activity Gross Alpha, Location Sample Date Gross Beta, pCi/L pCi/L pCi/L pCi/L GW-NIA-1 02/07/19 <MDC <MDC 9.11E+OO 7.49E+OO GW-NIA-1 06/03/19 <MDC <MDC 1.12E+01 6.08E+OO GW-NIA-1 08/15/19 <MDC <MDC 7.87E+OO <MDC GW-NIA-1 11/07/19 <MDC <MDC 1.36E+01 8.03E+OO GW-NIA-2 02/06/19 6.48E+02 <MDC 1.02E+01 8.49E+OO GW-NIA-2 06/03/19 <MDC <MDC 8.22E+OO 5.83E+OO GW-NIA-2 08/20/19 <MDC <MDC 8.21E+OO 3.41E+OO GW-NIA-2 11/06/19 <MDC <MDC 9.95E+OO 7.72E+OO GW-NIA-12 02/06/19 <MDC <MDC 5.52E+OO <MDC GW-NIA-12 05/29/19 <MDC <MDC 7.20E+OO 6.67E+OO GW-NIA-12 08/19/19 <MDC <MDC 5.25E+OO <MDC GW-NIA-12 11/06/19 <MDC <MDC 3.97E+OO <MDC GW-NIA-13 02/07/19 <MDC <MDC 7.92E+OO 6.05E+OO GW-NIA-13 05/29/19 4.72E+02 <MDC 1.63E+01 <MDC GW-NIA-13 08/19/19 <MDC <MDC 5.71E+OO 3.81 E+OO GW-NIA-13 11/06/19 <MDC <MDC 8.71E+OO <MDC GW-OCA-1 01/24/19 <MDC <MDC <MDC 1.49E+01 GW-OCA-1 04/17/19 <MDC <MDC <MDC 6.52E+OO GW-OCA-1 08/14/19 <MDC <MDC 5.14E+OO 1.12E+01 GW-OCA-1 10/31/19 <MDC <MDC 8.31E+OO 1.06E+01 GW-OCA-2 01/23/19 <MDC <MDC <MDC 8.57E+OO GW-OCA-2 04/10/19 <MDC <MDC 2.86E+OO 7.85E+OO GW-OCA-2 08/12/19 <MDC <MDC <MDC 4.28E+OO GW-OCA-2 10/30/19 <MDC <MDC 9.15E+OO 5.91E+OO GW-OCA-3 01/30/19 <MDC <MDC 3.37E+OO 3.95E+OO GW-OCA-3 05/29/19 <MDC <MDC 2.85E+OO <MDC GW-OCA-3 08/14/19 <MDC <MDC <MDC 3.86E+OO GW-OCA-3 10/28/19 <MDC <MDC 7.74E+OO 6.10E+OO GW-PA-1 02/11/19 <MDC <MDC 8.53E+OO 1.09E+01 GW-PA-1 06/05/19 <MDC <MDC 6.28E+OO 1.16E+01 GW-PA-1 08/22/19 <MDC <MDC 4.60E+OO 1.41E+01 GW-PA-1 11/14/19 <MDC <MDC 7.11E+OO 8.46E+OO GW-PA-2 02/27/19 <MDC <MDC 1.91E+01 5.02E+01 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION Tritium Activity Gamma Activity Gross Alpha, Location Sample Date Gross Beta, pCi/L pCi/L pCi/L pCi/L GW-PA-2 06/05/19 <MDC <MDC 2.03E+01 5.79E+01 GW-PA-2 08/22/19 <MDC <MDC 2.03E+01 6.23E+01 GW-PA-2 11/18/19 <MDC <MDC 1.69E+01 7.23E+01 GW-PA-3 02/28/19 <MDC <MDC 8.00E+01 5.30E+01 GW-PA-3 06/06/19 <MDC <MDC 2.38E+01 2.35E+01 GW-PA-3 08/26/19 <MDC <MDC 2.52E+01 <MDC GW-PA-3 12/11/19 <MDC <MDC 2.51E+01 2.15E+01 GW-PA-4 03/04/19 <MDC <MDC 6.55E+OO 3.06E+OO GW-PA-4 06/06/19 <MDC <MDC 1.55E+01 9.38E+OO GW-PA-4 . 08/26/19 <MDC <MDC 1.38E+01 <MDC GW-PA-4 12/09/19 <MDC <MDC 1.16E+01 6.02E+OO NIA-3 08/28/19 <MDC N/A N/A N/A NIA-4 08/28/19 <MDC N/A N/A N/A NIA-5 09/18/19 <MDC N/A N/A N/A NIA-6 03/25/19 <MDC N/A N/A N/A NIA-6 08/28/19 <MDC N/A N/A N/A NIA-7 09/18/19 <MDC N/A N/A N/A NIA-10 09/16/19 <MDC N/A N/A N/A NIA-11 03/25/19 2.54E+02 N/A N/A N/A NIA-11 09/16/19 <MDC N/A N/A N/A NIA-14 09/18/19 <MDC N/A N/A N/A NIA-15 09/18/19 <MDC N/A N/A N/A GW-OCA = Wells installed in the Owner Controlled Area to implement the Ground Water Protection Initiative.

GW-PA = Wells installed in the Protected Area to implement the Ground Water Protection Initiative.

GW-NIA = Wells installed in the North Industrial Area to implement the Ground Water Protection Initiative.

NIA = Temporary investigation wells installed in the North Industrial Area.

a priori LLD = H-3: 3000 pCi/1

= Gross Beta: 4.0 pCi/1

= Gross Alpha: 3.0 pCi/1 Values above MDC are reported as calculated The Beta and Alpha reported are of natural origin and not from plant operation based on the laboratory analyses.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION ONSITE GROUND WATER SAMPLES (Continued)

Hard to detect, pCi/L Location Sample Date (Ni-63, Fe-55, Sr-89 and or Sr-90)

GW-NIA-1 02/07/19 <MDC GW-NIA-2 02/06/19 <MDC GW-NIA-12 02/06/19 <MDC I GW-NIA-13 02/07/19 <MDC GW-OCA-1 01/24/19 <MDC GW-OCA-2 01/23/19 <MDC GW-OCA-3 01/30/19 <MDC GW-PA-1 02/11/19 <MDC GW-PA-2 02/27/19 <MDC GW-PA-3 02/28/19 <MDC GW-PA-4 03/04/19 <MDC GW-OCA = Wells installed in the Owner Controlled Area to implement the Ground Water Protection Initiative.

GW-PA = Wells installed in the Protected Area to implement the Ground Water Protection Initiative.

GW-NIA = Wells installed in the North Industrial Area to implement the Ground Water Protection Initiative.

a priori LLD = Ni-63: 50 pCi/L

= Fe-55: 200 pCi/L

= SR-89/SR-90: 2 pCi/L ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION K. MISCELLANEOUS (Continued) 40 CFR 190 REQUIREMENTS The Table below presents the annual site-wide doses and percent of ODCM Specification limits to members of the public. These values were calculated utilizing doses resulting from all effluent pathways and direct radiation. The different categories presented are: (1) Total Body, (2) Limiting Organ, and (3) Thyroid.

Dose Category Units Year

1. Total Body
a. Total Body Dose mrem 7.99E-01
b. Percent ODCM Specification Limit  % 3.20E+OO
2. Limiting Organ
a. Organ Dose (All except thyroid) (Liver) mrem 4.53E-04
b. Percent ODCM Specification Limit  % 1.81 E-03
3. Thyroid
a. Thyroid Dose mrem 2.97E-04
b. Percent ODCM Specification Limit  % 3.96E-04 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION K. MISCELLANEOUS (Continued)

CARBON-14 In June, 2009, the NRG revised its guidance in Regulatory Guide (RG) 1.21, Measuring, Evaluating and Reporting Radioactivity In Solid Wastes And Releases Of Radioactive Materials In Liquid And Gaseous Effluents From Light-Water-Cooled Nuclear Power Plants, Revision 2. RG 1.21 explains, that in part, the quantity of carbon-14 (C-14) discharged can be estimated by sample measurements or by use of a normalized C-14 source term and scaling factors based on power generation or estimated by use of the GALE Code from NUREG-0017. The dose contribution of C-14 from liquid radioactive waste is much less than that contributed by gaseous radioactive waste, evaluation of C-14 in liquid radioactive waste is not required. Revision 2 to RG 1.21 guidance includes:

  • If sampling is performed, the sampling frequency may be adjusted to that interval that allows adequate measurement and reporting of effluents.
  • If estimating C-14 based on scaling factors and fission rates, a precise and detailed evaluation of C-14 is not necessary. It is not necessary to calculate uncertainties for C-14 or to include C-14 uncertainty in any subsequent calculation of overall uncertainty.

Electric Power Research Institute (EPRI) Technical Report 1021106, "Estimation of Carbon-14 in Nuclear Power Plant Gaseous Effluents," was used to estimate the production and release quantities of C-14.

C-14 calculated production, discharge parameters and resulting dose. are reported here, separately from tables 1, 1A, 1C, 1E, 2 and 40 CFR 190 Table 1. .

U2 = 0 Calculated C-14 production, Ci/EFPY(1)

U3 = O U2 = 0 2019 Unit capacity factors U3 = 0 Fraction release of produced C-14 to atmosphere 0.98 Organic = 0.80 C-14 chemical form fraction assumed Inorganic = 0.20 U2 = 0 C-14 curies released to atmosphere U3 =,O Critical receptor dose(2l [Child (bone)], mrem 0 (1) Effective Full Power Year NOTE: Units have been shutdown since January 9, 2012 for Unit 2 and January 31, 2012 for Unit 3.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION SECTION L. SONGS CONCLUSIONS

1) Gaseous releases (excluding carbon-14) totaled 1.03E+01 curies of which noble gases were O.OOE+OO curies, particulates were 3.01 E-06 curies, iodines were O.OOE+OO curies, and tritium was 1.03E+01 curies.
2) The radiation doses from gaseous releases were: (a) gamma air dose: O.OOE+OO mrad at the site boundary, (b) beta air dose: O.OOE+OO mrad at the site boundary, (c) organ dose (Child - Liver): 2.73E-03 mrem at the highest receptor.
3) Airborne carbon-14 release was projected at O.OOE+OO curies due to the fact that both units have been permanently shut down since January 2012.
4) Liquid releases totaled 1.13E-02 curies of which particulates were 5.19E-05 curies, iodines were O.OOE+OO curies, tritium was 1.12E-02 curies, and noble gases were O.OOE+OO curies.
5) The radiation doses from liquid releases were: (a) total body: 1.0?E-04 mrem, (b) limiting organ (LIVER):

1.57E-04 mrem. *

6) The radioactive releases and resulting doses generated from Units 2 and 3 were below the Applicable Limits for both gaseous and liquid effluents.
7) Two shipments were made from San Onofre (SONGS SOS) to EnergySolutions Clive Utah Disposal Site These shipments included 65.6 cubic meters of Dry Active Waste containing 2.19E-02 curies of radioactivity.
8) Meteorological conditions during the year were typical for SONGS. Meteorological dispersion was good 35% of the time, fair 35% of the time and poor 30% of the time.
9) The results of samples taken from on-site ground water wells in support of the Industry Ground Water Protection Initiative are reported in Section K. There are low but detectable concentrations of tritium identified in the shallow ground water areQ formerly occupied by Unit 1 that is currently identified as the North Industrial Area.

The ground water beneath SONGS is not a source of drinking water. On April 28, 2015, the extraction pumps were secured to evaluate the impact of groundwater extraction. There was no groundwater or dewatering well effluent discharges from the site during 2019. The site continues to sample, analyze and document the results of the groundwater monitoring wells in accordance to the site's Groundwater Monitoring Program.

10) The net result from the analysis of these effluent releases indicates that the operation of SONGS has met all the requirements of the applicable regulations that ensure adequate protection of the health of members of the public.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 SAN ONOFRE NUCLEAR GENERATING STATION METEOROLOGY The meteorology of the San Onofre Nuclear Generating Station for each of the four quarters, 2019 is described in this section. Meteorological measurements have been made according to the guidance provided in USNRC Regulatory Guide 1.23, "Onsite Meteorological Programs." A summary report of the meteorological measurements taken during each calendar quarter are presented in Table 4A as joint frequency distribution (JFD) of wind direction and wind speed by atmospheric stability class.

The hourly data for the Annual Report is available, but have not been included in this report because of the bulk of data records.

Table 4A lists the joint frequency distribution for each quarter, 2019. Each page of Table 4A represents the data for the individual stability classes: A, B, C, D, E, F, and G. The last page of each section shows the JFD for all the stability classes. The wind speeds have been measured at the 10 meter level, and the stability classes are defined by the temperature differential between the 10 meter and 40 meter levels.

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT -2019 METEOROLOGY January* March Table4A SITE: SAN ONOFRE PERIOD OF RECORD 19010100-19033123 WIND SPEED {M/S) AT 10 METER LEVEL PASQUILLA EXTREMELY UNSTABLE {DT/DZ $-1.9 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 0 1 0 0 0 0 0 0 0 1 NNE 0 0 0 0 0 1 0 0 0 0 0 0 1 NE 0 0 0 0 1 0 0 0 0 0 0 0 1 ENE 0 0 0 0 1 0 1 0 0 0 0 0 2 E 0 0 0 1 0 0 0 0 0 0 0 0 1 ESE 0 0 0 1 0 0 1 0 0 0 0 0 2 SE 0 0 0 0 4 2 7 8 2 0 0 0 23 SSE 0 0 0 0 0 3 8 7 2 0 3 0 23 s 0 0 0 2 2 11 10 3 3 0 0 0 31 SSW 0 0 0 1 9 6 7 1 1 0 0 0 25 SW 0 0 0 3 10 20 11 2 0 0 0 0 46 WSW 0 0 1 4 12 29 33 0 0 0 0 0 79 w 0 0 0 3 5 47 57 2 1 1 0 0 116

,WNW 0 0 0 3 4 35 58 16 5 0 0 0 121 NW 0 0 0 0 1 6 10 4 1 0 0 0 22 NNW 0 0 0 0 2 1 1 0 0 0 0 0 4 TOTALS 0 0 1 18 52 161 204 43 15 1 3 0 498 NUMBER OF VALID HOURS 498 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 498 PASQUILLB MODERATELY UNSTABLE { - 1.9 < DT/DZ ,s; - 1. 7 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 0 1 1 0 1 0 0 0 0 3 NNE 0 0 0 1 0 0 0 0 0 0 0 0 1 NE 0 0 0 0 0 0 0 1 0 0 0 0 1 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 ESE 0 0 0 0 0 0 1 0 0 0 0 0 1 SE 0 0 0 1 1 2 13 3 0 0 0 0 20 SSE 0 0 0 0 1 2 3 3 1 0 2 0 12 s 0 0 0 1 1 0 2 2 2 0 1 0 9 SSW 0 0 0 0 2 2 1 0 0 0 0 0 5 SW 0 0 0 1 0 4 3 0 0 0 6 0 8 WSW 0 0 0 1 1 0 0 1 0 0 0 0 3 w 0 0 0 1 1 2 3 2 0 0 0 0 9 WNW 0 0 0 2 2 1 5 1 0 0 0 0 11 NW 0 0 0 0 0 0 5 0 0 0 0 0 5 NNW 0 0 0 0 0 0 2 0 0 0 0 0 2 TOTALS 0 0 0 8 10 14 38 14 3 0 3 0 90 NUMBER OF VALID HOURS 90 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 90 I

I I

ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 I I

I I

METEOROLOGY I I

January

  • March Table 4A I SITE: SAN ONOFRE PERIOD OF RECORD 19010100-19033123 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILLC SLIGHTLY UNSTABLE ( -1.7 < OT/DZ s -1.5 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 1 1 0 0 0 0 0 0 0 2 NNE 0 0 0 0 2 0 0 0 1 0 0 0 3 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 ESE 0 0 0 0 0 0 3 0 0 0 0 0 3 SE 0 0 0 0 0 1 7 2 3 0 0 0 13 SSE 0 0 0 0 0 3 2 1 3 0 0 0 9 s 0 0 0 0 3 3 2 1 0 1 0 0 10 SSW 0 0 0 0 0 1 2 0 0 0 0 0 3 SW 0 0 0 0 1 0 3 0 0 0 0 0 4 WSW 0 0 0 0 1 1 0 0 0 0 0 0 2 w 0 0 0 0 0 0 2 0 2 0 0 0 4 WNW 0 0 0 0 1 3 3 0 0 0 0 0 7 NW 0 0 0 0 1 1 2 0 0 0 0 0 4 NNW 0 0 0 1 2 0 0 0 0 0 0 0 3 TOTALS 0 0 0 2 12 13 26 4 9 1 0 0 67 NUMBER OF VALID HOURS 67 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 67 PASQUILLD NEUTRAL ( - 1.5 < OT/DZ s - 0.5 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 0 7 6 0 1 0 0 0 0 14 NNE 0 0 1 2 5 8 4 0 0 0 0 0 20 NE 0 0 2 0 0 2 3 1 1 0 0 0 9 ENE 0 0 1 1 0 1 2 0 0 0 0 0 5 E 0 0 0 0 1 2 1 0 1 0 0 0 5 ESE 0 0 1 0 2 3 14 8 2 0 0 0 30 SE 0 0 0 1 0 4 28 31 7 2 0 0 73 SSE 0 0 0 0 2 7 8 8 3 1 2 1 32 s 0 0 0 1 4 1 4 3 0 1 0 0 14 SSW 0 0 0 2 6 5 3 2 4 0 0 0 22 SW 0 0 2 3 1 6 5 5 3 0 0 0 25 WSW 0 0 0 4 2 3 6 9 2 0 0 0 26 w 0 0 0 3 3 7 6 7 6 2 0 0 34 WNW 0 0 0 4 2 5 7 6 1 0 0 0 25 NW 0 0 0 1 3 10 5 2 1 0 0 0 22 NNW 0 0 0 2 3 8 3 0 0 0 0 0 16 TOTALS 0 0 7 24 41 78 99 83 31 6 2 1 372 NUMBER OF VALID HOURS 372 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 372 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 METEOROLOGY January

  • March Table4A SITE: SAN ONOFRE PERIOD OF RECORD 19010100-19033123 WIND SPEED (M/S} AT 10 METER LEVEL PASQUILL E SLIGHTLY STABLE ( -0.5 < OT/DZ s1.5°C/100 METERS}

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 4 11 14 5 0 0 0 0 0 34 NNE 0 0 0 14 20 29 16 0 0 0 0 0 79 NE 0 0 0 3 5 5 2 3 2 0 0 0 20 ENE 0 0 0 2 4 7 1 1 1 0 0 0 16 E 0 0 0 1 6 8 5 7 5 0 0 0 32 ESE 0 0 0 2 1 5 2 1 4 0 0 0 15 SE 0 0 0 2 0 2 2 3 3 0 0 0 12 SSE 0 0 0 2 1 4 4 2 3 0 0 0 16 s 0 0 1 1 3 1 0 0 0 0 0 0 6 SSW 0 0 1 3 1 2 0 0 0 0 0 0 7 SW 0 0 1 4 3 0 0 0 0 0 0 0 8 WSW 0 0 1 2 2 1 1 2 0 0 0 0 9 w 0 0 0 1 2 1 1 1 9 0 0 0 15 WNW 0 1 1 5 4 5 9 6 8 .1 0 0 40 NW 0 0 2 3 6 5 5 5 3 0 0 0 29 NNW 0 0 0 5 5 6 8 3 0 0 0 0 27 TOTALS 0 1 7 54 74 95 61 34 38 1 0 0 365 NUMBER OF VALID HOURS 365 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 365 PASQUILLF MODERATELY STABLE (1.5 < OT/DZ s 4.0 °C/100 METERS}

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 6 7 5 5 0 0 0 0 0 23 NNE 0 0 0 5 26 62 25 0 0 0 0 0 118 NE 0 0 1 8 14 11 2 0 0 0 0 0 36 ENE 0 0 0 5 4 5 1 0 0 0 0 0 15 E 0 0 0 3 1 1 2 0 0 0 0 0 7 ESE 0 0 0 1 3 2 0 0 0 0 0 0 6 SE 0 0 1 0 1 0 0 0 0 0 0 0 2 SSE 0 0 0 1 0 1 1 0 0 0 0 0 3 s 0 0 0 2 1 0 1 0 0 0 0 0 4 SSW 0 0 0 2 0 2 0 0 0 0 0 0 4 SW 0 0 0 3 0 1 0 0 0 0 0 0 4 WSW 0 0 0 1 1 2 1 0 0 0 0 0 5 w 0 0 0 3 0 0 1 0 0 0 0 0 4 WNW 0 0 0 1 2 2 1 0 0 0 0 0 6 NW 0 0 0 4 2 3 1 0 1 0 0 0 11 NNW 0 0 1 2 0 0 0 0 0 0 0 0 3 TOTALS 0 0 3 47 62 97 41 0 1 0 0 0 251 NUMBER OF VALID HOURS 251 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 251 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 METEOROLOGY January

  • March Table4A SITE: SAN ONOFRE PERIOD OF RECORD 19010100-19033123 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILLG EXTREMELY STABLE (OT/DZ> 4.0 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 2 3 5 5 0 0 0 0 0 15 NNE 0 0 0 2 5 114 285 14 0 0 0 0 420 NE 0 0 0 4 11 12 15 1 0 0 0 0 43 ENE 0 0 0 1 4 3 1 0 0 0 0 0 9 E 0 0 0 0 2 1 1 0 0 0 0 0 4 ESE 0 0 0 2 1 0 0 1 0 0 0 0 4 SE 0 0 0 0 0 0 2 0 0 0 0 0 2 SSE 0 0 0 0 0 1 0 0 0 0 0 0 1 s 0 0 0 0 0 2 3 0 0 0 0 0 5 SSW 0 0 0 0 1 0 1 0 0 0 0 0 2 SW 0 0 0 0 0 0 0 0 0 0 0 0 0 WSW 0 0 0 0 0 0 3 0 0 0 0 0 3 w 0 0 0 0 0 1 2 0 0 0 0 0 3 WNW 0 0 0 1 0 1 1 0 0 0 0 0 3 NW 0 0 0 0 0 0 0 0 0 0 0 0 0 NNW 0 0 0 0 1 1 1 0 0 0 0 0 3 TOTALS 0 0 0 12 28 141 320 16 0 0 0 0 517 NUMBER OF VALID HOURS 517 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 517 ALL STABILITY CLASSES, ALL OT/DZ WIND SPEED (M/S) AT 10 METER LEVEL Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 13 31 31 15 2 0 0 0 0 92 NNE 0 0 1 24 58 214 330 14 1 0 0 0 642 NE 0 0 3 15 31 30 22 6 3 0 0 0 110 ENE 0 0 1 9 13 16 6 1 1 0 0 0 47 E 0 0 0 5 10 12 9 7 6 0 0 0 49 ESE 0 0 1 6 7 10 21 10 6 0 0 0 61 SE 0 0 1 4 6 11 59 47 15 2 0 0 145 SSE 0 0 0 3 4 21 26 21 12 1 7 1 96 s 0 0 1 7 14 18 22 9 5 2 1 0 79 SSW 0 0 1 8 19 18 14 3 5 0 0 0 68 SW 0 0 3 14 15 31 22 7 3 0 0 0 95 WSW 0 0 2 12 19 36 44 12 2 0 0 0 127 w 0 0 0 11 11 58 72 12 18 3 0 0 185 WNW 0 1 1 16 15 52 84 29 14 1 0 0 213 NW 0 0 2 8 13 25 28 11 6 0 0 0 93 NNW 0 0 1 10 13 16 15 3 0 0 0 0 58 TOTALS 0 18 165 279 599 789 194 97 9 8 2160 NUMBER OF VALID HOURS 2160 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 2160 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 METEOROLOGY April* June TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19040100-19063023 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILLA EXTREMELY UNSTABLE (DT/DZ s -1.9 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 1 0 0 0 0 0 0 0 0 1 NNE 0 0 1 0 2 1 0 0 0 0 0 0 4 NE 0 0 1 2 1 1 0 0 0 0 0 0 5 ENE 0 0 0 1 2 1 0 0 0 0 0 0 4 E 0 0 0 0 0 0 0 0 0 0 0 0 0 ESE 0 0 0 0 0 1 0 0 0 0 0 0 1 SE 0 0 0 2 3 6 3 0 0 0 0 0 14 SSE 0 0 0 0 0 8 8 2 0 0 0 0 18 s 0 0 0 3 3 12 19 1 0 0 0 0 38 SSW 0 0 0 1 7 12 16 0 0 0 0 0 36 SW 0 0 0 2 7 25 30 0 0 0 0 0 64 WSW 0 0 0 0 10 77 94 1 0 0 0 0 182 w 0 0 0 4 4 40 113 2 0 0 0 0 163 WNW 0 0 0 4 0 20 66 10 1 0 0 0 101 NW 0 0 0 1 3 4 7 3 3 0 0 0 21 NNW 0 1 0 1 1 1 0 0 0 0 0 0 4 TOTALS 0 1 2 22 43 209 356 19 4 0 0 0 656 NUMBER OF VALID HOURS 656 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 656 PASQUILL B MODERATELY UNSTABLE ( -1.9 < DT/DZ s -1.7 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 1 0 1 1 0 0 0 0 0 0 3 0 0 0 0 0 1 1 1 0 0 0 0 0 3 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 ESE 0 0 0 0 1 0 1 0 0 0 0 0 2 SE 0 0 0 0 4 4 3 1 0 0 0 0 12 SSE 0 0 0 0 1 5 1 0 0 0 0 0 7 s 0 0 0 0 2 11 I 1 0 0 0 0 0 14 SSW 0 0 0 1 2 3 7 1 0 0 0 0 14 SW 0 0 0 0 2 5 12 0 0 0 0 0 19 WSW 0 0 0 2 0 2 4 . _2 0 0 0 0 10 w 0 0 0 2 1 4 3 0 0 0 0 0 10 WNW 0 0 0 0 0 5 2 0 0 0 0 0 7 NW 0 0 0 0 0 0 3 1 0 0 0 0 4 NNW 0 0 0 1 0 1 0 0 0 0 0 0 2 TOTALS 0 0 1 6 15 42 38 5 0 0 0 0 107 NUMBER OF VALID HOURS 107 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 107 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT-2019 METEOROLOGY April* June TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19040100-19063023 WIND SPEED {M/S} AT 10 METER LEVEL PASQUILLC SLIGHTLY UNSTABLE ( -1.7 < DT/DZ S-1.5 °C/100 METERS}

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 0 1 0 0 0 0 0 0 0 1 NNE 0 0 0 2 0 2 0 0 0 0 0 0 4 NE 0 0 0 0 1 0 0 0 0 0 0 0 1 ENE '0 0 0 0 0 0 0 0 0 0 0 0 0 E 0 0 0 0 1 1 0 0 0 0 0 0 2 ESE 0 0 0 1 3 1 0 0 0 0 0 0 5 SE 0 0 0 0 2 5 5 0 0 0 0 0 12 SSE 0 0 0 2 0 5 2 0 0 0 0 0 9 s 0 0 1 2 2 6 1 0 0 0 0 0 12 SSW 0 0 0 0 2 4 5 0 0 0 0 0 11 SW 0 0 0 3 0 5 11 0 0 0 0 0 19 WSW 0 0 0 1 3 3 3 0 0 0 0 0 10 w 0 0 0 1 1 2 0 0 0 0 0 0 4 WNW 0 0 0 1 0 4 0 2 0 0 0 0 7 NW 0 0 0 0 0 0 1 1 0 0 0 0 2 NNW 0 0 0 0 1 0 0 0 0 0 0 0 1 TOTALS 0 0 1 13 17 38 28 3 0 0 0 0 100 NUMBER OF VALID HOURS 100 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 100 PASQUILLD NEUTRAL ( -1.5 < DT/DZ S-0.5 °C/100 METERS}

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 3 7 1 3 0 0 0 0 0 0 14 NNE 0 0 1 8 9 9 0 0 0 0 0 0 27 NE 0 0 0 3 1 5 0 0 0 0 0 0 9 ENE 0 0 0 3 3 1 0 0 1 0 0 0 8 E 0 0 0 4 2 1 1 0 0 0 0 0 8 ESE 0 0 2 2 3 2 3 0 0 0 0 0 12 SE 0 0 0 4 5 18 10 0 0 0 0 0 37 SSE 0 0 0 3 9 13 16 1 1 0 0 0 43 s 0 0 0 6 3 7 18 2 0 0 0 0 36 SSW 0 0 1 3 12 20 13 0 0 0 0 0 49 SW 0 0 1 9 13 21 29 0 0 0 0 0 73 WSW 0 0 2 5 7 20 13 2 0 0 0 0 49 w 0 0 1 5 5 5 7 4 0 0 0 0 27 WNW 0 0 2 4 9 5 6 4 0 0 0 0 30 NW 0 0 2 5 5 4 2 2 0 0 0 0 20 NNW 0 0 1 4 6 5 3 0 0 0 0 0 19 TOTALS 0 0 16 75 93 139 121 15 2 0 0 0 461 NUMBER OF VALID HOURS 461 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 461 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT -2019 METEOROLOGY April. June TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19040100-19063023 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILLE SLIGHTLY STABLE ( - 0.5 < DT/DZs 1.5 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 3 9 7 7 0 0 0 0 0 0 26 NNE 0 0 3 11 21 26 7 0 0 0 0 0 68 NE 0 0 1 3 5 1 0 0 0 0 0 0 10 ENE 0 0 0 2 6 2 0 0 0 0 0 0 10 E 0 0 0 3 6 6 0 0 0 0 0 0 15 ESE 0 0 0 1 4 6 1 0 0 0 0 0 12 SE 0 0 0 3 5 14 14 3 0 0 0 0 39 SSE 1 1 1 8 9 29 6 1 1 0 0 0 57 s 0 0 1 7 11 25 5 1 0 0 0 0 50 SSW 0 0 1 11 7 26 12 5 1 0 0 0 63 SW 0 0 2 7 11 10 8 2 0 0 0 0 40 WSW 0 1 3 7 7 10 7 2 0 0 0 0 37 w 0 1 1 10 2 7 1 4 0 0 0 0 26 WNW 0 1 2 6 9 7 3 5 0 0 0 0 33 NW 0 0 4 8 2 5 7 2 0 0 0 0 28 NNW 0 0 0 2 1 3 3 0 0 0 0 0 9 TOTALS 1 4 22 98 113 184 74 25 2 0 0 0 523 NUMBER OF VALID HOURS 523 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 523 PASQUILL F MODERATELY STABLE (1.5 < DT/DZs 4.0 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 1 0 3 4 3 3 0 0 0 0 0 14 NNE 0 0 0 8 25 35 9 1 0 0 0 0 78 NE 0 0 0 7 7 2 1 0 0 0 0 0 17 ENE 0 0 0 2 2 0 0 0 0 0 0 0 4 E 0 0 0 2 1 3 0 0 0 0 0 0 6 ESE 0 0 0 0 0 2 1 0 0 0 0 0 3 SE 0 0 1 1 1 1 1 0 0 0 0 0 5 SSE 0 0 0 2 6 1 0 0 0 0 0 0 9 s 1 0 0 2 1 0 0 0 0 0 0 0 4 SSW 0 0 1 2 1 1 1 0 0 0 0 0 6 SW 0 0 0 0 2 0 0 0 0 0 0 0 2 WSW 0 0 0 3 1 1 0 0 0 0 0 0 5 w 0 0 0 0 2 2 1 0 0 0 0 0 5 WNW 0 0 0 3 1 2 2 2 0 0 0 0 10 NW 0 0 0 2 1 1 1 0 0 0 0 0 5 NNW 0 1 0 2 0 3 0 0 0 0 0 0 6 TOTALS 1 2 2 39 55 57 20 3 0 0 0 0 179 NUMBER OF VALID HOURS 179 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 179 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 METEOROLOGY April* June TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19040100-19063023 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILLG EXTREMELY STABLE (OT/DZ> 4.0 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 0 1 0 2 0 0 0 0 0 3 NNE 0 0 0 0 9 64 51 2 0 0 0 0 126 NE 0 0 0 1 5 4 2 0 0 0 0 0 12 ENE 0 0 0 1 0 1 0 0 0 0 0 0 2 E 0 0 0 0 2 1 0 0 0 0 0 0 3 ESE 0 0 0 1 0 0 0 0 0 0 0 0 1 SE 0 0 0 0 0 0 0 0 0 0 0 0 0 SSE 0 0 0 0 0 0 1 0 0 0 0 0 1 s 0 0 0 0 0 0 0 0 0 0 0 0 0 SSW 0 0 0 0 0 0 0 0 0 0 0 0 0 SW 0 0 0 0 1 0 0 0 0 0 0 0 1 WSW 0 0 0 0 1 1 0 0 0 0 0 0 2 w 0 0 0 0 2 1 0 0 0 0 0 0 3 WNW 0 0 0 0 1 1 0 0 0 0 0 0 2 NW 0 0 0 0 0 0 0 0 0 0 0 0 0 NNW 0 0 0 0 2 0 0 0 0 0 0 0 2 TOTALS 0 0 0 3 24 73 56 2 0 0 0 0 158 NUMBER OF VALID HOURS 158 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 158 ALL STABILITY CLASSES, ALL OT/DZ WIND SPEED (M/S) AT 10 METER LEVEL Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 1 7 20 15 14 5 0 0 0 0 0 62 NNE 0 0 5 29 67 138 68 3 0 0 0 0 310 NE 0 0 2 16 20 13 3 0 0 0 0 0 54 ENE 0 0 0 9 13 5 0 0 1 0 0 0 28 E 0 0 0 9 12 12 1 0 0 0 0 0 34 ESE 0 0 2 5 11 12 6 0 0 0 0 0 36 SE 0 0 1 10 20 48 36 4 0 0 0 0 119 SSE 1 1 1 15 25 61 34 4 2 0 0 0 144 s 1 0 2 20 22 61 44 4 0 0 0 0 154 SSW 0 0 3 18 31 66 54 6 1 0 0 0 179 SW 0 0 3 21 36 66 90 2 0 0 0 0 218 WSW 0 1 5 18 29 114 121 7 0 0 0 0 295 w 0 1 2 22 17 61 125 10 0 0 0 0 238 WNW 0 1 4 18 20 44 79 23 1 0 0 0 190 NW 0 0 6 16 11 14 21 9 3 0 0 0 80 NNW 0 2 1 10 11 13 6 0 0 0 0 0 43 TOTALS 2 7 44 256 360 742 693 72 8 0 0 0 2184 NUMBER OF VALID HOURS 2184 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 2184 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT-2019 METEOROLOGY July* September TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19070100-19093023 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILLA EXTREMELY UNSTABLE (DT/DZ s -1.9 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 1 2 0 0 0 D 0 0 D 0 3.

NNE 0 0 0 5 4 8 D 0 D 0 D 0 17 NE 0 0 D 1 5 2 D D D 0 D D 8 ENE 0 D D 1 1 D D D 0 0 D 0 2 E 0 0 0 4 2 3 1 0 D 0 D 0 10 ESE 0 0 0 D 2 11 5 0 0 0 0 0 18 SE 0 0 1 1 4 21 23 2 0 0 0 0 52 SSE D 0 0 3 4 7 13 7 2 0 0 0 36 s 0 0 D 5 4 19 15 8 0 0 D 0 51 SSW D 0 1 4 7 12 26 2 D 0 0 0 52 SW 0 0 0 5 13 21 33 1 0 0 0 0 73 WSW 0 0 0 3 13 85 59 3 0 0 0 0 163 w 0 0 0 2 8 78 125 0 0 0 0 0 213 WNW 0 0 1 3 6 32 72 4 0 0 0 0 118 NW 0 0 0 3 2 6 8 0 D 0 0 0 19 NNW 0 0 1 2 1 3 D 0 0 0 0 0 7 TOTALS 0 0 5 44 76 308 380 27 2 0 0 0 842 NUMBER OF VALID HOURS 842 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 842 PASQUILL B MODERATELY UNSTABLE ( -1.9 < OT/DZ s -1.7 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 0 1 0 0 0 0 0 0 0 1 NNE 0 0 0 0 1 0 0 0 0 0 0 0 1 NE 0 0 0 0 1 0 0 0 0 0 0 0 1 ENE 0 0 0 0 0 0 0 0 0 0 0 0 0 E 0 0 0 0 0 1 0 0 0 0 0 0 1 ESE 0 0 0 0 0 2 0 D 0 0 0 o* 2 SE 0 0 0 0 1 1 1 0 0 0 0 0 3 SSE 0 D 0 0 0 1 2 0 0 0 0 0 3 s 0 0 0 0 0 0 2 2 0 0 0 0 4 SSW 0 0 0 0 1 3 4 1 0 0 0 0 9 SW 0 0 0 0 0 3 2 1 0 0 0 0 6 WSW 0 0 0 0 1 3 0 0 0 0 D 0 4 w 0 0 0 0 1 4 0 0 0 0 0 0 5 WNW 0 0 0 0 0 1 2 0 0 0 D 0 3 NW 0 0 0 0 1 1 0 0 0 0 0 0 2 NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTALS 0 0 0 0 8 20 13 4 0 0 0 0 45 NUMBER OF VALID HOURS 45 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 45 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT- 2019 METEOROLOGY July

  • September TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19070100-19093023 WIND SPEED {M/S) AT 10 METER LEVEL PASQUILLC SLIGHTLY UNSTABLE (-1.7 < DT/DZ S-1.5 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 0 0 0 0 0 0 0 0 0 0 NNE 0 0 0 0 1 1 0 0 0 0 0 0 2 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 1 0 0 0 0 0 0 1 ESE 0 0 0 0 0 0 0 0 0 0 0 0 0 SE 0 0 0 0 0 2 0 0 0 0 0 0 2 SSE 0 0 0 0 0 0 3 0 0 0 0 0 3 s 0 0 0 0 1 0 2 3 0 0 0 0 6 SSW 0 0 0 1 1 3 5 3 0 0 0 0 13 SW 0 0 0 0 0 3 5 3 0 0 0 0 11 WSW 0 0 0 0 5 3 0 0 0 0 0 0 8 w 0 0 0 0 0 5 3 0 0 0 0 0 8 WNW 0 0 0 0 1 1 3 0 0 0 0 0 5 NW 0 0 0 1 0 1 0 0 0 0 0 0 2 NNW 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTALS 0 0 0 2 9 20 21 9 0 0 0 0 61 NUMBER OF VALID HOURS 61 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 61 PASQUILLD NEUTRAL { -1.5 < DT/DZ S- 0.5 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 3 1 2 0 0 0 0 0 0 6 NNE 0 0 0 6 9 6 0 0 0 0 0 0 21 NE 0 0 0 0 5 2 0 0 0 0 0 0 7 ENE 0 0 0 3 1 2 0 0 0 0 0 0 6 E 0 0 0 1 1 2 1 0 0 0 0 0 5 ESE 0 0 0 1 3 2 0 0 0 0 0 0 6 SE 0 0 1 0 3 11 1 0 0 0 0 0 16 SSE 0 0 0 1 10 16 10 5 0 0 0 0 42 s 0 0 1 3 1 8 20 4 0 0 0 0 37 SSW 0 0 0 1 4 10 9 1 0 0 0 0 25 SW 0 0 1 1 4 15 4 1 0 0 0 0 26 WSW 0 0 0 3 9 13 5 0 0 0 0 0 30 w 0 0 0 2 7 9 5 0 0 0 0 0 23 WNW 0 0 1 3 3 10 0 0 0 0 0 0 17 NW 0 0 0 1 1 4 1 1 0 0 0 0 8 NNW 0 0 0 1 3 2 0 0 0 0 0 0 6 TOTALS 0 0 4 30 65 114 56 12 0 0 0 0 281 NUMBER OF VALID HOURS 281 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 281 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 METEOROLOGY July - September TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19070100-19093023 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILL E SLIGHTLY STABLE (

  • 0.5 < DT/DZ s 1.5 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 12 5 3 0 0 0 0 0 0 20 NNE 0 0 0 7 15 25 4 0 0 0 0 0 51 NE 0 0 2 2 10 2 0 0 0 0 0 0 16 ENE 0 0 0 3 2 3 0 1 0 0 0 0 9 E 0 0 0 2 1 0 0 0 0 0 0 0 3 ESE 0 0 0 2 6 3 0 0 0 0 0 0 11 SE 0 0 0 3 6 16 8 0 0 0 0 0 33 SSE 0 0 1 7 11 18 14 1 0 0 0 0 52 s 0 0 0 7 5 14 21 2 0 0 0 0 49 SSW 0 0 0 5 5 15 17 2 0 0 0 0 44 SW 0 0 0 2 10 12 18 0 0 0 0 0 42 WSW 0 0 1 3 10 7 0 0 0 0 0 0 21 w 0 0 0 6 4 7 1 0 0 0 0 0 18 WNW 0 0 1 3 7 13 3 0 0 0 0 0 27 NW 0 0 0 4 8 2 2 0 0 0 0 0 16 NNW 0 0 1 9 5 3 3 0 0 0 0 0 21 TOTALS 0 0 6 77 110 143 91 6 0 0 0 0 433 NUMBER OF VALID HOURS 433 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 433 PASQUILL F MODERATELY STABLE (1.5 < DT/DZ s 4.0 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 6 7 3 O' 0 0 0 0 0 16 NNE 0 0 0 10 33 45 9 0 0 0 0 0 97 NE 0 0 1 6 12 8 0 0 0 0 0 0 27 ENE 0 0 0 6 8 2 1 0 0 0 0 0 17 E 0 0 0 3 7 I 2 0 0 0 0 0 0 12 ESE 0 0 0 5 1 10 1 0 0 0 0 0 17 SE 0 0 1 2 4 13 6 0 0 0 0 0 26 SSE 0 0 1 7 13 13 12 3 0 0 0 0 49 s 0 0 0 2 11 6 5 4 0 0 0 0 28 SSW 0 0 0 4 3 11 1 0 0 0 0 0 19 SW 0 0 0 5 3 5 2 0 0 0 0 0 15 WSW 0 0 0 3 5 3 0 0 0 0 0 0 11 w 0 0 0 3 5 5 0 0 0 0 0 0 13 WNW 0 0 0 10 10 2 2 0 0 0 0 0 24 NW 0 0 3 9 6 3 1 0 0 0 0 0 22 NNW 0 0 0 5 2 3 0 0 0 0 0 0 10 TOTALS 0 0 6 86 130 134 40 7 0 0 0 0 403 NUMBER OF VALID HOURS 403 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 403 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 METEOROLOGY July* September TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19070100-19093023 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILLG EXTREMELY STABLE (DT/DZ > 4.0 °C/100, METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 0 3 2 0 0 0 0 0 0 5 NNE 0 0 0 5 11 31 24 0 0 0 0 0 71 NE 0 0 0 3 2 14 1 0 0 0 0 0 20 ENE 0 0 0 0 2 1 1 0 0 0 0 0 4 E 0 0 0 0 1 1 0 0 0 0 0 0 2 ESE 0 0 0 1 0 0 0 0 0 0 0 0 1 SE 0 0 0 0 0 1 0 0 0 0 0 0 1 SSE 0 0 0 2 2 1 1,. 0 0 0 0 0 6 s 0 0 0 2 3 1 0 0 0 0 0 0 6 SSW 0 0 0 3 0 0 0 0 0 0 0 0 3 SW 0 0 0 1 0 0 1 0 0 0 0 0 2 WSW 0 0 1 1 0 0 0 0 0 0 0 0 2 w 0 0 0 1 2 2 0 0 0 0 0 0 5 WNW 0 0 0 3 2 0 1 0 0 0 0 0 6 NW 0 0 0 1 1 2 1 0 0 0 0 0 5 NNW 0 0 0 0 3 1 0 0 0 0 0 0 4 TOTALS 0 0 1 23 32 57 30 0 0 0 0 0 143 NUMBER OF VALID HOURS 143 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 143 ALL STABILITY CLASSES, ALL DT/DZ WIND SPEED (M/S) AT 10 METER LEVEL Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 1 23 17 10 0 0 0 0 0 0 51 NNE 0 0 0 33 74 116 37 0 0 0 0 0 260 NE 0 0 3 12 35 28 1 0 0 0 0 0 79 ENE 0 0 0 13 14 8 2 1 0 0 0 0 38 E 0 0 0 10 12 10 2 0 0 0 0 0 34 ESE 0 0 0 9 12 28 6 0 0 0 0 0 55 SE 0 0 3 6 18 65 39 2 0 0 0 0 133 SSE 0 0 2 20 40 56 55 16 2 0 0 0 191 s 0 0 1 19 25 48 65 23 0 0 0 0 181 SSW 0 0 1 18 21 54 62 9 0 0 0 0 165 SW 0 0 1 14 30 59 65 6 0 0 0 0 175 WSW 0 0 2 13 43 114 64 3 0 0 0 0 239 w 0 0 0 14 27 110 134 0 0 0 0 0 285 WNW 0 0 3 22 29 59 83 4 0 0 0 0 200 NW 0 0 3 19 19 19 13 1 0 0 0 0 74 NNW 0 0 2 17 14 12 3 0 0 0 0 0 48 TOTALS 0 0 22 262 430 796 631 65 2 0 0 0 2208 NUMBER OF VALID HOURS 2208 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 2208 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 METEOROLOGY October

  • December TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19100100-19123123 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILLA EXTREMELY UNSTABLE (OT/DZ s -1.9 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 1 0 2 0 0 0 0 0 0 3 NNE 0 0 0 0 0 0 2 0 0 0 0 0 2 NE 0 0 0 0 0 1 1 0 1 0 0 0 3 ENE 0 0 0 0 0 0 0 0 0 0 0 0 0 E 0 0 0 0 0 1 0 0 0 0 0 0 1 ESE 0 0 0 0 0 0 2 0 0 0 0 0 2 SE 0 0 0 1 0 3 0 1 0 0 0 0 5 SSE 0 0 0 1 2 2 6 4 0 0 0 0 15 s 0 0 0 3 1 6 15 2 1 0 0 0 28 SSW 0 0 0 4 6 13 7 3 3 0 0 0 36 SW 0 0 1 2 7 10 7 0 0 0 0 0 27 WSW 0 0 0 1 17 19 14 0 0 0 0 0 51 w 0 0 0 2 15 57 22 1 0 0 0 0 97 WNW 0 0 1 3 8 62 77 2 0 0 0 0 153 NW 0 0 0 1 1 7 9 1 0 0 0 0 19 NNW 0 0 0 0 0 0 0 0 0 0 0 0 . 0 TOTALS 0 0 2 19 57 183 162 14 5 0 0 0 442 NUMBER OF VALID HOURS 442 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 442 PASQUILL B MODERATELY UNSTABLE (-1.9 < OT/DZ S-1.7 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 1 0 0 0 0 0 0 0 0 1 NNE 0 0 0 0 0 2 1 0 0 0 0 0 3 NE 0 0 0 0 0 0 0 1 .0 0 0 0 1 ENE 0 0 0 0 0 0 1 0 0 0 0 0 1 E 0 0 0 0 0 0 0 0 0 0 0 0 0 ESE 0 0 0 0 0 1 0 1 0 0 0 0 2 SE 0 0 0 0 1 0 0 3 0 0 0 0 4 SSE 0 0 0 0 1 4 7 3 0 0 0 0 15 s 0 0 0 0 0 1 5 2 0 0 0 0 8 SSW 0 0 0 1 3 1 2 0 0 0 0 0 7 SW 0 0 0 0 0 3 3 0 0 0 0 0 6 WSW 0 0 0 1 0 1 0 0 0 0 0 0 2 w 0 0 0 0 0 3 1 0 0 0 0 0 4 WNW 0 0 0 2 0 1 0 1 0 0 0 0 4 NW 0 0 0 0 0 2 1 2 0 0 0 0 5 NNW 0 0 0 0 0 1 0 0 0 0 0 0 1 TOTALS 0 0 0 5 5 20 21 13 0 0 0 0 64 NUMBER OF VALID HOURS 64 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 64 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 METEOROLOGY October - December TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19100100-19123123 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILLC SLIGHTLY UNSTABLE ( -1.7 < DT/DZ S-1.5 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 0 0 0 0 0 0 0 0 0 0 NNE 0 0 0 0 1 0 0 0 0 0 0 0 1 NE 0 0 0 0 0 0 1 2 1 0 0 0 4 ENE 0 0 0 0 0 0 0 2 0 0 0 0 2 E 0 0 0 0 0 1 0 0 0 0 0 0 1 ESE 0 0 0 0 0 0 0 1 0 0 0 0 1 SE 0 0 1 0 0 2 0 3 0 0 0 0 6 SSE 0 0 1 0 0 6 2 3 0 0 0 0 12 s 0 0 0 0 0 2 4 1 0 0 0 0 7 SSW 0 0 1 1 0 2 3 1 1 0 0 0 9 SW 0 0 0 0 4 2 0 1 0 0 0 0 7 WSW 0 0 0 1 1 0 0 0 1 0 0 0 3 w 0 0 0 0 3 3 1 0 1 0 0 0 8 WNW 0 0 0 0 2 3 2 0 0 0 0 0 7 NW 0 0 0 1 1 1 3 0 0 0 0 0 6 NNW 0 0 0 1 0 1 0 . 0 0 0 0 0 2 TOTALS 0 0 3 4 12 23 16 14 4 0 0 0 76 NUMBER OF VALID HOURS 76 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 76 PASQUILLD NEUTRAL ( - 1.5 < DT/DZ s - 0.5 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 4 5 4 3 0 0 0 0 0 16 NNE 0 0 0 1 4 8 9 0 0 0 0 0 22 NE 0 0 1 2 1 0 4 1 1 2 0 0 12 ENE 0 0 1 1 0 3 1 4 0 0 0 0 10 E 0 0 0 1 4 4 2 0 0 0 0 0 11 ESE 0 0 0 0 4 6 8 2 3 1 0 0 24 SE 0 0 0 2 4 17 18 8 9 0 0 0 58 SSE 0 0 0 0 2 13 9 3 1 0 0 0 28 s 0 1 0 3 1 3 8 2 2 0 0 0 20 SSW 0 0 1 2 4 3 2 0 3 1 0 0 16 SW 0 0 0 2 5 4 2 0 1 0 0 0 14 WSW 0 0 2 1 0 1 1 0 7 1 0 0 13 w 0 1 0 5 1 0 1 1 0 0 0 0 9 WNW 0 0 1 2 2 6 14 0 0 0 0 0 25 NW 0 0 0 3 5 8 6 2 0 0 0 0 24 NNW 0 0 0 2 2 12 6 0 0 0 0 0 22 TOTALS 0 2 6 31 44 92 94 23 27 5 0 0 324 NUMBER OF VALID HOURS 324 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 324 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 METEOROLOGY October

  • December TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19100100-19123123 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILL E SLIGHTLY STABLE ( -0.5 < DT/DZ s 1.5 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 1 0 1 8 13 6 0 0 0 0 0 29 NNE 0 0 0 7 14 17 11 0 0 0 0 0 49 NE 0 0 1 3 8 15 9 3 1 0 0 0 40 ENE 0 0 1 1 1 6 3 2 3 0 0 0 17 ,

E 0 0 0 3 7 7 4 2 1 2 0 0 26 ESE 0 0 0 2 4 6 2 1 0 0 0 0 15 SE 0 0 1 0 2 4 12 4 0 0 0 0 23 SSE 0 0 1 3 2 2 7 5 1 0 0 0 21 s 0 0 0 2 3 1 1 0 0 0 0 0 7 SSW 0 0 0 3 1 0 0 1 0 0 0 0 5 SW 0 0 0 2 1 2 1 0 0 0 0 0 6 WSW 0 0 0 2 5 1 0 0 0 0 0 0 8 w 0 0 1 2 1 1 1 0 0 0 0 0 6 WNW 0 1 0 1 2 3 5 0 0 0 0 0 12 NW 0 0 1 1 2 9 3 0 0 0 0 0 16 NNW 0 0 0 3 1 7 2 1 0 0 0 0 14 TOTALS 0 2 6 36 62 94 67 19 6 2 0 0 294 NUMBER OF VALID HOURS 294 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 294 PASQUILLF MODERATELY STABLE (1.5 < DT/DZ s 4.0 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 2 2 8 6 1 0 0 0 0 0 19 NNE 0 0 1 9 26 51 21 0 0 0 0 0 108 NE 0 0 3 13 17 22 13 4 0 0 0 0 72 ENE 0 0 0 8 8 6 1 0 1 0 0 0 24 E 0 0 1 3 7 0 1 0 0 0 0 0 12 ESE 0 0 1 1 0 2 1 0 0 0 0 0 5 SE 0 0 0 3 2 2 3 0 0 0 0 0 10 SSE 0 0 0 0 1 3 3 0 0 0 0 0 7 s 0 0 1 1 1 1 0 0 0 0 0 0 4 SSW 0 1 0 2 2 0 1 0 0 0 0 0 6 SW 0 0 1 0 1 0 1 0 0 0 0 0 3 WSW 0 0 0 3 3 1 0 0 0 0 0 0 7 w 0 0 0 1 1 2 0 0 0 0 0 0 4 WNW 0 0 1 2 6 9 0 0 0 0 0 0 18 NW 0 0 0 1 0 1 2 0 0 0 0 0 4 NNW 0 0 0 2 4 3 1 0 0 0 0 0 10 TOTALS 0 11 51 87 109 49 4 0 0 0 313 NUMBER OF VALID HOURS 313 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 313 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT - 2019 METEOROLOGY October

  • December TABLE4A SITE: SAN ONOFRE PERIOD OF RECORD 19100100-19123123 WIND SPEED (M/S) AT 10 METER LEVEL PASQUILLG EXTREMELY STABLE (DT/DZ > 4.0 °C/100 METERS)

Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 0 0 1 . 1 5 8 0 0 0 0 0 15 NNE 0 0 0 4 8 106 251 8 0 0 0 0 377 NE 0 0 3 6 17 80 72 1 0 0 0 0 179 ENE 0 0 0 8 9 8 7 0 0 0 0 0 32 E 0 0 0 2 3 5 1 0 0 0 0 0 11 ESE 0 0 0 2 6 5 0 1 0 0 0 0 14 SE 0 0 0 1 0 2 0 0 0 0 0 0 3 SSE 0 0 0 2 2 4 2 0 0 0 0 0 10 s 0 0 0 1 2 3 0 0 0 0 0 0 6 SSW 0 0 2 1 2 1 0 0 0 0 0 0 6 SW 0 0 0 1 0 1 1 0 0 0 0 0 3 WSW 0 0 0 2 2 2 0 0 0 0 0 0 6 w 0 0 0 0 1 1 0 0 0 0 0 0 2 WNW 0 0 0 0 0 5 3 1 0 0 0 0 9 NW 0 1 0 1 4 3 2 0 0 0 0 0 11 NNW 0 0 0 2 2 3 4 0 0 0 0 0 11 TOTALS 0 1 5 34 59 234 351 11 0 0 0 0 695 NUMBER OF VALID HOURS 695 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 695 ALL STABILITY CLASSES, ALL DT/DZ WIND SPEED (M/S) AT 10 METER LEVEL Wind 0.22 0.51 0.76 1.1 1.6 2.1 3.1 5.1 7.1 10.1 13.1 >18 TOTAL Dir 0.5 0.75 1 1.5 2 3 5 7 10 13 18 N 0 1 2 10 22 30 18 0 0 0 0 0 83 NNE 0 0 1 21 53 184 295 8 0 0 0 0 562 NE 0 0 8 24 43 118 100 12 4 2 0 0 311 ENE 0 0 2 18 18 23 13 8 4 0 0 0 86 E 0 0 1 9 21 18 8 2 1 2 0 0 62 ESE 0 0 1 5 14 20 13 6 3 1 0 0 63 SE 0 0 2 7 9 30 33 19 9 0 0 0 109 SSE 0 0 2 6 10 34 36 18 2 0 0 0 108 s 0 1 1 10 8 17 33 7 3 0 0 0 80 SSW 0 1 4 14 18 20 15 5 7 1 0 0 85 SW 0 0 2 7 18 22 15 1 1 0 0 0 66 WSW 0 0 2 11 28 25 15 0 8 1 0 0 90 w 0 1 1 10 22 67 26 2 1 0 0 0 130 WNW 0 1 3 10 20 89 101 4 0 0 0 0 228 NW 0 1 1 8 13 31 26 5 0 0 0 0 85 NNW 0 0 0 10 9 27 13 1 0 0 0 0 60 TOTALS 0 6 33 180 326 755 760 98 43 7 0 0 2208 NUMBER OF VALID HOURS 2208 NUMBER OF CALMS 0 NUMBER OF INVALID HOURS 0 TOTAL HOURS FOR THE PERIOD 2208

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