Text

2019 Annual Radioactive Effluent Release Report
	ML20211L844
Person / Time
Site:	Callaway
Issue date:	07/28/2020
From:	; Ameren Missouri, Union Electric Co
To:	; Office of Nuclear Material Safety and Safeguards, Office of Nuclear Reactor Regulation
Shared Package
ML20211L842	List: ML20211L843; ULNRC-06594, 2019 Annual Radioactive Effluent Release Report;
References
	ULNRC-06594
	Download: ML20211L844 (37)
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Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Renewed Facility Operating License N P F-30 Docket Numbers 50-483 and 72-1045 WAmeren Callaway MISSOURI Energy Center

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Renewed Facility Operating License NPF-30 Docket Numbers 50-483 and 72-1045

1. Introduction This Annual Radioactive Effluent Release Report (ARERR) is submitted by Union Electric Co., dba Ameren Missouri, in accordance with the requirements of 10 CER 50.36a and 10 CFR 7244(d)(3), Callaway Energy Center Technical Specification 5.6.3, and HI-STORM UMAX Certificate of Compliance Section 51.c. This report is for the period January 1, 2019 to December 31, 2019.

The doses to the Member ofthe Public from all liquid and gaseous effluents discharged during the reporting period were small fractions ofthe NRC and EPA regulatory limits and the Radioactive Effluent Control limits in the Offsite Dose Calculation Manual.

Radionuclide concentrations in liquid and gaseous effluents were obtained by effluent sampling and radiological analysis in accordance with the requirements of FSAR-SP/ODCM Radiological Effluent Control (REC) Table 16.11-1 and Table 16.11-4. Gamma spectroscopy was the Abstract The Annual Radioactive Effluent Release Report covers the operation of the callaway Energy Center during the year 2019. The report includes a summary of the quantitIes of radioactive liquid and gaseous effluents and solid waste released fromtheunit. The report also includes an annual summary of hourly meteorological data collected during the year and an assessment of radiation dose to the Member afthe Public from liquid and gaseous effluents.

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Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 primary analysis technique used to determine the radionuclide composition and concentration of liquid and gaseous effluents. Composite samples were analyzed for the hard to detect nuclides by an independent laboratory. Tritium and gross alpha were measured for both liquid and gaseous effluents using liquid scintillation counting and gas flow proportional counting techniques,respectively. The total radioactivity in effluent releases was determined from the measured concentrations of each radionuclide present and the total volume of effluents discharged.

2. Gaseous Effluents The quantity of radioactive material released in gaseous effluents during the reporting period is summarized in Table A-i. The quarterly and annual sums of all radionuclides discharged in gaseous effluents are reported in Tables A-iA and A-lB. All gaseous effluent releases are considered to be ground level.

The quantity of4 C released in gaseous effluents was calculated as described in EPRI Technical Report 1021106.

There were no radioactive effluents from the Independent Spent Fuel Storage Installation (ISFSI).

The HI-STORM UMAX Canister Storage System does not create any radioactive materials or have any radioactive waste treatment systems. Specification 3.1.1, Multi-Purpose Canister (MPC),

provides assurance that there are no radioactive effluents from the SF51.

2

3. Liquid Effluents The quantity of radioactive material released in liquid effluents during the reporting period is summarized in Table A-2. The quarterly and annual sums of all radionuclides discharged in liquid effluents are reported in Table A-2A. All liquid effluents were discharged in batch mode; there were no continuous liquid discharges for the reporting period. Dilution by the Missouri River, in the form of the near-field dilution factor, is utilized in the ODCM dose calculation methodology.

4. Solid Waste Storage and Shipments The volume and activity of solid waste shipped for disposal is provided in Table A-3. Table A-3 is presented in the format of rev. 1 to Regulatory Guide 1.21 because the data is not readily available in the format recommended by rev. 2 to Regulatory Guide 1.21.

1 Estimation of Carbon-14 in Nuclear Power Plant Gaseous Effluents, Technical Report 1011106, Electric Power Research Institute, December, 2010.

2 Certificate of Compliance No. 1040, Appendix A, Technical Specifications for the HI_STORM UMAX Canister Storage System, Specification 5.1.

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1

5. Dose Assessments The annual evaluation of dose to the Member of the Public is calculated in accordance with the methodology and parameters in the ODCM and is reported in Tables A-4 and A-5.

51 Table A-4, Dose Assessments, 10 CFR 50, Appendix I The dose assessments reported in Table A-4 were calculated using the methodology and parameters in the ODCM and demonstrate compliance with 10 CFR 50, Appendix I. The gamma air dose and beta air dose were calculated at the nearest Site Boundary location with the highest value of X/Q, as described in the ODCM. The maximum organ dose from gaseous effluents was calculated for the ingestion, inhalation, and ground plane pathways at the location of the nearest resident with the highest value of D/Q, as described in the ODCM. The organ dose does not include the dose from 4

C, which is listed separately.

5.2 Table A-5, EPA 40 CFR 190 Individual in the Unrestricted Area The dose assessments reported in Table A-5 are the doses to the Member ofthe Public from activities within the Site Boundary plus the doses at the location of the Nearest Residence. A large portion of the residual land of the Callaway Site is managed by the State of Missouri Conservation Department as the Reform Wildlife Management Area.

Pursuant to the guidance provided in Regulatory Guide 1.21, rev.2, the dose reported in Table A-5 is the sum ofthe dose from gaseous effluents (at the Nearest Resident location and within the Site Boundary), plus the dose contribution due to activities within the Site Boundary and the organ dose from inhalation of 14 C (at the Nearest Resident location and within the Site Boundary). The dose assessments in Table A-5 demonstrate compliance with 10 CFR 20.1301(e) and 40 CFR 190.

6. Supplemental information 6.1 Abnormal Releases or Abnormal Discharges There was one abnormal release during the reporting period. This issue is documented in CRs 201905475 and 201905723. WGDT E leaked into WGDT D through a leaking rupture disc when the waste gas system was operating. The pressure increase in WGDT D began 8/5/2019 and peaked on 8/26/2019 at 26 psig. The release from WGDT D via leakage to the room through a leaking check valve began on 8/26/2019 when the system was opened to repair the leaking rupture disc.

On 8/26/2019, the system was opened to repair the leaking rupture disc. The job was stopped when the workers received a carbon monoxide (CO) alarm on their MX-4 gas monitor. It was later determined to be hydrogen leaking from WGDT D interfering with the MX-4. WGDT D leaked into room 7107 through a leaking check valve when the system was opened on 8/26/2019 to repair the leaking rupture disc. The building ventilation picked up the leaked gas and discharged it through the Radwaste Vent per design.

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 On 8/28/2019, WGDT D was at 6 psig and continuing to release hydrogen gas into room 7107 creating a hazardous working environment. In consideration of personnel safety, the remainder of WGDT D was discharged through the normal valve lineup directly through the Radwaste vent to stop the release of hydrogen into room 7107. This discharge started at 14:07 and ended at 18:35 with the tank at atmospheric pressure.

The discharge of WGDT D to room 7107 and then directly to the Radwaste vent meets the criteria for an unplanned release, i.e., an unintended discharge of radioactive material from a source as described in NRC Health Physics Position (HPPOS) #254, Definition of Unplanned Release, Case 1. As an example, the HPPOS cites the inadvertent release of the contents of a waste gas decay tank through the plant vent. The release would be considered an unplanned release because the discharge of the waste gas decay tank was not planned.

There are two discharges for consideration: noble gases and 4

C. Each has its own special set of circumstances that must be considered.

Noble Gas Discharge The WGDT D discharge, first by leaking into room 7107 and then discharge through the normal lineup, started on 8/26/2019 when the system was opened and ended on 8/28/2019 when WGDT D was at atmospheric pressure.

A sample of WGDT 0 taken on 8/23/2019 and analyzed in the Count Room showed there was no detectable noble gas activity in WGDT D.

The eDNA trend for Radwaste vent noble gas monitor GHRE1OB indicates a slight increase in Radwaste vent activity corresponding to the time WGDT D was discharged through the normal lineup to the Radwaste vent (8/28/2019 14:07-18:35). The average vent concentration measured by GHRE1OB during the direct discharge was 4.30E-7 iCi/cc. The average background concentration measured by GHRE1OB prior to the direct discharge was 3.82E-7 iCi/cc. The net average concentration measured by GHRE1OB during the direct discharge was 4.86E-08 iCi/cc.

There was no discernable increase in activity discharged through the Radwaste vent prior to the discharge via the normal valve lineup; i.e., GHRE1OB did not indicate an increase in the Radwaste vent during the period of leakage into room 7107. A noble gas sample ofthe Radwaste vent taken at approximately the midpoint of the WGDT D discharge (16:00 on 8/28/2019) showed no detectable activity.

Since WGDT E was the on-service tank, it was assumed the activity in WGDT D and thus the Radwaste vent was The Offsite Dose Calculation Manual (ODCM

, APA-ZZ-01003, R024), Equations 19 and 20 were used to calculate the gamma air dose and beta air dose, respectively. The measured flow rate from the Radwaste vent is 12,948 cfm (HOA-ZZ-00100, Ventilation Flow Rates, R023). The

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 gamma air dose factors and beta air dose factors are in ODCM Table 3 and the X/Q (decayed/undepleted) is in ODCM Table 10.

The calculated 33 Xe discharged based on the GHRE1OB reading was 4.78E-03 Ci. The calculated gamma air dose was 9.09E-08 mrad and the beta air dose was 2.70E-07 mrad.

l4 Discharge The activity of4 C produced and discharged and the calculated inhalation dose was previously reported in revision 0 ofthis report and will not be repeated here. The release from WGDT D during the period 8/26/2019-8/28/2019 involved approximately 25 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> of daylight during the growing season. It was assumed the 4

C0 2 released during these periods of photosynthesis would be incorporated into plant material and therefore into the food chain ingestion pathways.

Appendix A to the ODCM, Methodology for Calculating Dose from 4 C in Gaseous Effluents, was used to construct a model for the 4

C0 2 source term and to calculate the dose from the ingestion pathways.

14 C is produced in the reactor coolant system as CH

4. The conversion of CH 4 to CO 2 is due to operation ofthe high temperature catalytic recombiners in the waste gas system. The recombiners were not used past 7/8/2019 and all waste gas added to WGDT E beyond that date was not CO

2. Only CO 2 is incorporated into plant material therefore only the waste gas produced prior to 7/8/2019 would be available to the ingestion pathway. A sample of WGDT D taken on 8/23/2019 and analyzed in the Count Room showed there was no detectable noble gas activity in WGDT D, therefore it was assumed that the 4 C produced prior to 7/8/2019 was equally distributed among the 7 remaining waste gas decay tanks and that all of the 4

C0 2 activity in WGDT E leaked into WGDT D and was subsequently released during the period 8/26/2019-8/28/2019. The ingestion dose was calculated using the equations provided in Appendix A to the ODCM and the X/Q (decayed/undepleted) is in ODCM Table 10.

The calculated release of 4

C0 2 during periods of photosynthesis was 5.90E-02 Ci. The calculated maximum organ dose was 7.21E-03 mrem (bone) and 1.45E-03 mrem (total body! other organs).

6.2 Non-routine Planned Discharges There were no non-routine planned discharges during the reporting period.

6.3 Radioactive Waste Treatment System Changes There were no major changes to the liquid or gaseous radwaste treatment system during the reporting period.

6.4 Annual Land Use Census Changes There were no changes identified in the locations for dose calculation. Changes in sample locations identified in the Land Use Census are described in the Annual Radioactive Environmental Operating Report.

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 6.5 Effluent Monitoring System Non-functionality BM-RE-52, Steam Generator Blowdown Discharge Monitor, has been non-functional since 2010 when the surveillances were changed to on-demand. The procedures for performing discharges by this pathway were voided in 2007. The last discharge via this pathway was Q2 1986, therefore the associated action statement has been met since BM-RE-52 became non-functional. Callaway Energy Center is in the process of removing BM-RE-52 from ODCM/ FSAR-SP Table 16.11-2, Radioactive Effluent Monitoring Instrumentation and the associated discharge point from ODCM/FSAR-SP Table 16.11-1, Radioactive Liquid Waste Sampling and Analysis Program.

At approximately 05:40 on 2/7/2019, the heat trace for GH-RE-1OA and GH-RE-1OB became non-functional, rendering the particulate and iodine (P&I) samplers for the Radwaste Building ventilation release pathway non-functional. These samplers are required by the Callaway ODCM. The ventilation system was secured in accordance with plant procedures approximately 78 minutes later, exceeding the 60 minutes allowed by plant procedures. 78 minutes is insignificant (<1%) with respect to the 7 day sampling period. This is documented in Condition Report 201900762.

The P&l samples were analyzed and there was no detectable radioactive material on the sampling media. Previous samples ofthe Radwaste Building ventilation release pathway showed no detectable P&l activity. The 2015, 2016, 2017, and 2018 Annual Radioactive Effluent Release Reports (ARERRs) show there was no detectable P&l activity discharged via the Radwaste Building ventilation release pathway for those years. It is therefore unlikely there was significant P&l activity in the Radwaste Building ventilation release pathway during the 78 minutes when the samplers were non-functional.

GT-RE-33, Containment Purge Exhaust Monitor, was non-functional for the first 49 days of 2019 for extensive troubleshooting and repair. During this time, the opposite train monitor and sampler, GT-RE-22 was functional and all requirements of the associated action statement were met. Refer to Condition Reports 201907663 and 201907727 and EOSL entry 22771.

6.6 Offsite Dose Calculation Manual Changes The Offsite Dose Calculation Manual consists oftwo documents: APA-ZZ-01003 (Methodology and Parameters) and FSAR-SP Chapter 16.11 Radiological Effluent Controls (RECs). APA-ZZ-01003 was revised in 2019. A complete copy of APA-ZZ-01003, rev. 24 was attached submitted with revision 0 of this report.with revision bars showing the areas of change.

The changes to APA-ZZ-01003, rev. 24 (September, 2019) incorporated the following changes:

3 Callaway Plant Semiannual Radioactive Effluent Release Report, January-June 1986, Table 2B.

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Added pathway dose factors (Ri) for adult inhalation and ingestion dose pathways for gaseous effluents (Tables 14-18) from ZZ-78, rev.2. (CR 201903925)

Added references for all the dose tables.

Added Grass-Cow to titles ofTables 8 and 17.

Appendix A, Section 8: Removed the terms inorganic and organic when referring to CO 2 and CH 4.

There were no changes to FSAR-SP Chapter 16.11 (RECs).

6.7 Process Control Program Changes There were no revisions to APA-ZZ-01011, Process Control Program during the reporting period.

6.8 Corrections to Previous Reports There are no corrections to previous reportsThis report constitutes revision 1 to the 2019 Annual Radioactive Effluent Release Report submitted under cover letter ULNRC-06577, dated April 30, 2020. ULNRC-06577 identified that the following sections in revision 0 were prepared using incomplete data:

Section 6.1 Table A-i Table A-lA TableA-4 Table A-S Changes in revision 1 are identified with revision bars in the margin.

6.9 Other Information Related to Radioactive Effluents Meteorological dispersion parameters, data recovery rate, and Joint Frequency Tables for the monitoring period are attached as Appendix B.

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Appendix A Tables of Quantities Released in Liquid and Gaseous Radioactive Effluents and in Solid Radioactive Waste Shipments Tables of Doses from the Discharge of Liquid and Gaseous Radioactive Effluents

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Table A-i: Gaseous_Effluents-Summation ofAll Releases Summation Estimated Quarter Quarter Quarter Quarter ofAll Unit 2

3 4

Total Uncertainty Releases

(%)4 Fission &

2.82E-Activation Ci 1.19E-O1 3.70E-02 7.83E-02 012.87E-20 Gases 01 Average Release iCi/s 1.51E-02 469E-03 6.13E-03 9.93E-03 8.95E-03 Rate

%ofLirnit N/A N/A N/A N/A N/A

31 lodine Ci ND*

ND*

N/A Average Release iiCi/s N/A N/A N/A N/A N/A Rate

% ofLimit N/A N/A N/A N/A N/A Particulates Ci ND*

ND*

N/A Average Release iiCi/s N/A N/A N/A N/A N/A Rate

%ofLimit N/A N/A N/A N/A N/A Gross Ci 2.60E-07 2.84E-07 L47E-07 2.96E-07 9.88E-07 Alpha 3

H Ci 4.70E+00 1.57E÷01 9.69E+00 647E+00 3.65E+01 14 Average Release

.tCi/s 5.96E-01 1.99E+00 1.23E+00 8.20E-01 1.16E+00 Rate

% ofLirnIt N/A N/A N/A N/A N/A 14c6

[

Ci 2.84E+00 2.84E+00 2.84E+00 2.84E+00 1.14E+01

ND means measurements were performed but no activity was detected.

4 Safety Analysis calculation 87-063-00, January 6, 1988 Includes activity from CR201905723 event 6 14 C activity is estimated based on EPRI report TR-1021106, Estimation of 4

C in Nuclear Power Plant Effluents, December, 2010.

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Table A-lA: Gaseous Effluents-Ground Level Release-Batch Mode Fission &

Quarter Quarter Quarter Quarter Total for Activation Units 1

2 3

4 theyear Gases 41 Ar Ci 7.02E-02 1.94E-02 4.46E-02 4.64E-02 1.81E-O1 85 Kr Ci 6.06E-03 O.OOE+OO O.OOE+OO 1.07E-02 168E-02 5.28E-133 Xe Ci 1.80E-06 1.54E-03 8.52E-03 7

O.OOE+OO 031.O1E-02 lodines &

Quarter Quarter Quarter Quarter Total for Units Halogens 1

2 3

4 the year Ci ND*

ND*

Quarter Quarter Quarter Quarter Total for Particulates Units 1

2 3

4 theyear Ci ND*

ND*

3 H

Ci 724E-02 3.30E02 2.15E-01 2.09E-01 5.29E-01 Grossa Ci ND ND ND ND ND 14 c

L Ci 2.78E-02 2.78E-02 2.78E-02 2.78E-02 1.11E-O1

ND means measurements were performed but no activity was detected.

I Includes activity from CR201905723 event

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Table A-1B: Gaseous Effluents-Ground Level Release-Continuous Mode Fission &

Quarter Quarter Quarter Quarter Total for Activation Units 1

2 3

4 theyear Gases 41 Ar Ci 4.26E-02 O.OOE+OO O.OOE+OO 2.12E-02 6.38E-02

33 Xe Ci O.OOE+OO 1.60E-02 O.OOE+OO O.OOE+OO 1.60E-02 lodines &

Quarter Quarter Quarter Quarter Total for Units Halogens 1

2 3

4 the year Ci ND*

ND*

Quarter Quarter Quarter Quarter Total for Particulates Units 1

2 3

4 theyear Ci ND*

ND*

3 H

Ci 4.63E+OO 1.56E+O1 9.48E+OO 6.26E+OO 3.60E÷O1 Gross a Ci 2.60E-07 284E-07 1.47E-07 2.96E-07 9.88E-07 4c Ci 2.81E+OO 2.81E+OO 2.81E+OO 2.81E+OO 1.12E+O1

ND means measurements were performed but no activity was detected.

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Table A-2: Liquid_Effluents-_Summation ofAll Releases Summation Quarter Quarter Quarter Quarter Estimated ofAilLiquid Unit Total 1

2 3

4 Uncertainty (%)8 Releases Fission and Activation Ci 8.48E-03 2.45E-02 8.65E-03 2.05E-03 4.36E-02 20 Products 9

Avg Diluted iCi/

3.37E-08 1.08E-07 5.18E-08 1.75E-08 572E-08 Conc ml

%ofLimit N/A N/A N/A N/A N/A 3

H Ci 741E+02 1.56E+02 8.99E+O0 9.39E+00 9.15E÷02 14 Avg Diluted

.tCi/

2.95E-03 6.86E-04 5.38E-05 8.03E-05 1.20E-03 Conc ml

%ofLimit N/A N/A N/A N/A N/A Dissolved &

Entrained Ci 5.65E-04 6.78E-05 0.OOE+00 0.OOE+00 6.33E-04 27 Gases Avg Diluted iCi/

2.25E-09 2.99E-10 0.OOE+00 0.OOE+00 8.31E-10 Conc ml

%ofLimit N/A N/A N/A N/A N/A Gross a Ci 4.02E-05 8.O6E05j 2.47E-04 i.17E-04 4.85E-04 29 Avg Diluted tCi/

1.60E-10 3 55E 10 1 48E 09 1 OOE 09 6 36E 10 Conc ml Vol Liquid Liters 4.71E+06 7.57E+06 5.42E+06 3.69E+06 2.14E+07 Effluent 1

° Dilution Liters 2.47E+08 2.19E+08 1.62E+08 1.13E+08 7.41E+08 Volume 11 Avgriver m

3

/s 4.24E+03 7.90E÷03 6.11E+03 5.18E+03 5.86E+03 flow 12 Time period hrs 1.72E+02 1.56E+02 1.11E+02 7.69E+01 5.16E+02 for releases

ND means measurements were performed but no activity was detected.

8 Safety Analysis calculation 87-063-00, January 6, 1988 9 Excludes 3 H, noble gases, and gross alpha.

10 Primary system liquid effluent plus secondary liquid effluent, prior to dilution.

11 Does not include Missouri River dilution.

12 Average Missouri River flow for the year at the Hermann, MO monitoring station as reported by the USGS.

Callaway Energy Center 2019 Annual Radoactve Effluent Release Report Revision 1 Table A-2A: Liquid Effluents-Batch Mode Fission & Activation Units Quarter Quarter Quarter Quarter Total for the Products 1

2 3

4 year 51 Cr Ci O.OOE+OO 1.25E-04 O.OOE+OO O.OOE+OO 1.25E-04 57 Co Ci 8.68E-06 O.OOE+OO O.OOE+OO O.OOE+OO 8.68E-06 58 Co Ci 7.37E-04 223E-03 2.17E-03 4.52E-05 5.18E-03 60 Co Ci 6.19E-03 1.97E-03 1.57E-03 6.69E-04 104E-02 63 N1 Ci 6.28E-04 1.58E-03 2.38E-03 5.25E-04 5.11E-03 ll 7

mSn Ci O.OOE+OO 174E-05 O.OOE+OO O.OOE+OO 1.74E-05 122 Sb Ci O.OOE+OO 3.59E-05 O.OOE+OO O.OOE+OO 3.59E-05

24 Sb Ci O.OOE+OO 3.52E-03 1.92E-04 O.OOE+OO 372E-03 125 Sb Ci 8.35E-04 1.48E-02 2.03E-03 7.97E-04 1.85E-02

26 5b Ci O.OOE+OO 1.80E-05 O.OOE+OO O.OOE+OO 1.80E-05

37 Cs Ci 7.63E-05 1.14E-04 3.03E-04 9.O1E-06 5.02E-04

38 Cs Ci O.OOE+OO 9.96E-06 O.OOE+OO O.OOE+OO 9.96E-06 Total Ci 8.48E-03 2.45E-02 8.65E-03 2.05E-03 4.36E-02 Dissolved &

Unts Quarter Quarter Quarter Quarter Total for the Entrained Gases

1 2

3 4

year

33 Xe Ci 565E-04 6.78E-05 O.OOE+OO O.OOE+OO 6.33E-04 Total Ci 5.65E-04 6.78E-05 O.OOE+OO O.OOE+OO 6.33E-04 3

H Ci 7.41E+02 1.56E+02 8.99E+OO 9.39E+OO 9.15E+02 Gross a Ci 4.02E-05 8.06E-05 2.47E-04 1.17E-04 4.85E-04

ND means measurements were performed but no activity was detected.

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Table A-3: Low-Level Waste Shipped for 2019 Resins, Filters, And Evaporator Bottoms Volume Waste Class Curies Shipped ft3 m3 A

1.17E+03 3.31E+O1 8.25E-O1 B

O.OOE+OO O.OOE+OO OOOE+OO C

O.OOE+OO O.OOE+OO O.OOE+OO Unclassified O.OOE+OO O.OOE+OO O.OOE+OO All 1.17E+03 3.31E+O1 8.25E-O1 Major Nuclides for the Above Table: H-3, C-i 4, Mn-54, Fe-55, Co-58, Co-60, Ni-63, Sr 90, Tc-99, Sb-i 25, I-i 29, Cs-i 37, Pu-238, Pu-24i, Am-24i, Cm-242, Cm-243 Dry Active Waste (DAW)

Volume Waste Class Curies Shipped ft3 m3 A

i.4iE+04 3.99E+02 234E-Oi B

O.OOE+OO O.OOE+OO O.OOE+OO C

O.OOE+OO O.OOE+OO OOOE+OO Unclassified O.OOE+OO O.OOE+OO O.OOE+OO All i 4i E+04 3.99E+02 2.34E-Oi Major Nuclides for the Above Table: H-3, C-i 4, Cr-5i Mn-54, Fe-55, Co-58, Co-60, Ni-63, Zn-65, Sr-90, Zr-95, Nb-95, Tc-99, Ru-i06, Sb-i25, I-i29, Cs-i37, Pu-238, Pu-239, Pu-24i, Am-24i Cm-242, Cm-243, Cm-244 Irradiated Components Volume Waste Class Curies Shipped ft3 m3 A

O.OOE+OO OOOE+OO O.OOE+OO B

O.OOE+OO O.OOE+OO O.OOE+OO C

O.OOE+OO OOOE+OO O.OOE+OO Unclassified O.OOE+OO O.OOE+OO OOOE+OO All O.OOE+OO O.OOE+OO O.OOE+OO Major Nuclides for the Above Table: N/A

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Other Waste 4:

Waste Class Volume Curies Shipped fj3 m3 A

5.53E+02 1.57E+O1 6.06E-02 B

O.OOE+OO O.OOE+OO O.OOE+OO C

O.OOE+OO O.OOE+OO O.OOE+OO Unclassified O.OOE+OO O.OOE+OO O.OOE+OO All 5.53E+02 1.57E+O1 6.06E-02 Major Nuclides for the Above Table: H-3, C-i 4, Fe-55, Co-60, Ni-59, Tc-99, Ru-i 06, 1-129, Cs-i 37 Sum Of All Low-Level Waste Shipped From Site Volume Waste Class Curies Shipped ft3 rn3 A

i.58E+04 4.48E+02 1.12E+OO B

O.OOE+OO O.OOE+OO O.OOE+OO C

O.OOE+OO O.OOE+OO O.OOE+OO Unclassified O.OOE+OO O.OOE+OO O.OOE+OO All i.58E+04 4A8E+02 i.12E+OO SOLIDIFICATION AGENT None used.

IRRADIATED FUEL SHIPMENTS (Disposition)

Table A-3: Low-Level Waste for 2019 (continued)

Major Nuclides for the Above Table: H-3, C-i4, Cr-5i

, Mn-54, Fe-55, Co-58, Co-60, Ni-59, Ni-63, Zn-65, Sr-90, Zr-95, Nb-95, Tc-99, Ru-i06, Sb-i25, -129, Cs-137, Pu-238, Pu-239, Pu-241

, Am-241

, Cm-242, Cm-243, Cm-244 There were no shipments of irradiated fuel during the reporting period.

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 13 Includes dose from CR201905723 event 14 Includes dose from CR201905723 event 15 Iodine, 3 H, and particulates with greater than an 8 day half-life.

16 Not included in above totals Includes dose from CR201905723 event Table A-4: Dose Assessments, 10 CFR 50, Appendix I Quarter Quarter Quarter Yearly 1

2 Quarter 3 total Liquid Effluent Dose 3

Limit, Total Body (mrem)

Total Body Dose (mrem) 1.50E-03 5.92E-04 8.12E-04 4.SOE-05 2.95E-03

% Limit 0.10%

0.04%

0.05%

0.00%

0.10%

Liquid Effluent Dose Limit, Maximum Organ 5

5 5

5 10 (mrem)

Maximum Organ Dose 1.60E-03 7.55E-04 1.41E-03 1.45E-04 3.64E-03 (mrem)

% Limit 0.03%

0.02%

0.03%

0.00%

0.04%

GaseousEffluent Dose Limit, Gamma Air (mrad)

Gamma Air Dose (mrad) 4.92E-05 8.77E-06 11.96E-05 13 2.95E-05 1.07L-04

% Limit 0.00%

0.00%

Gaseous Effluent Dose 20 Limit, Beta Air (mrad)

Beta Air Dose (mrad) 1.79E-05 3.85E-06 7.287E-06 4

1.14E-05 4.04E-05

% Limit 0.00%

0.00%

Gaseous Effluent Dose Limit, Maximum Organ 7.5 7.5 7.5 7.5 15 (mrem)

Maximum organ dose 5

1.24E-03 4.14E-03 2.56E-03 1.71E-03 9.66E-03 (mrem)

% Limit 0.02%

0.06%

0.03%

0.02%

0.06%

14c Maximum organ dose 55E 03 3 SSE 03 3.55E1.08E-55E 03 12.4125E-(mrem) 6 02-03 02

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Table A-5: EPA 40 CFR 190 Individual in the Unrestricted Area Whole Body Thyroid Max Other Organ Dose Limit 25 mrem 75 mrem 25 mrem Dose 1.4661E-02 1.4661E-02 2.723.45E-02

% Limit 0.06%

0.02%

0.11%

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Appendix B Meteorological Dispersion Parameters and Joint Frequency Tables; Totals of Hours at Each Wind Speed & Direction for the period January 1, 2019-December 31, 2019

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Revision 1 Meteorological Dispersion Parameters for the Reporting Period Nearest Resident Dispersion Parameters Direction: NNW Distance: 2913 meters x/Q, Undecayed and Undepleted:

9.90E-07 x/Q Decayed and Undepleted:

9.73 E-07 xIQ Decayed and Depleted:

8.23E-07 D/Q Deposition rate:

2.87E-09 Site Boundary Dispersion Parameters Direction: SSW Distance: 1400 meters X/Q, Undecayed and Undepleted:

1.50E06 x/c.& Decayed and Undepleted:

1.48E06 x/Q Decayed and Depleted:

1.32E06 D/Q Deposition rate:

5.13E09 Meteorological Data Recovery Rate 10 meters elevation Hours ofvalid data: 8701 Total hours in period: 8760 Recovery rate: 99%

60 meters elevation Hours ofvalid data: 8701 Total hours in period: 8760 Recovery rate: 99%

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2D19 All Stabilities Elevations: Winds 1Dm Stability 6Dm Wind Speed Range (m/s)

Wind Direction Sector

<O.5D D.5-1 1.1 1.5 1.6 2 2.1 3

3.1 4 4.1 5 5.1 6 6.1 8 8.1 10

>1D.OO Total N

2 32 54 75 142 116 93 35 37 8

0 594 NNE D

34 61 69 207 96 36 5

0 0

D 5D8 NE 2

35 7D 48 138 56 14 7

4 D

D 374 ENE 3

33 48 SD 117 52 20 13 2

0 0

338 E

D 24 45 52 liD 78 40 8

2 D

D 359 ESE 2

32 56 75 114 86 45 29 1

0 0

440 SE 0

48 102 154 261 104 31 12 1

0 0

713 SSE 2

31 87 140 416 194 77 31 8

2 0

988 S

0 26 43 73 258 203 123 55 27 1

0 809 55W 1

25 60 64 190 170 82 26 13 0

0 631 SW 1

27 32 63 158 97 54 22 10 S

0 469 WSW 4

30 46 57 92 46 38 19 21 8

1 362 W

1 23 52 63 113 70 55 49 48 12 2

488 WNW 3

35 62 61 114 96 61 47 35 0

0 514 NW 1

39 74 97 134 96 52 29 7

0 0

529 NNW 3

26 49 84 149 129 64 49 11 1

0 565 Tot 25 500 941 1225 2713 1689 885 436 227 37 3

8681 HoursofCalm 20 Hours ofVariable Direction 0

Hours ofValid Data 8701 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class A Extremely Unstable based on lapse rate Elevations: Winds lOm Stability 60m Wind Speed Range (m/s)

Wind Direction Sector 0.5-1 1.1 1.5 1.6 2 2.1 3 3.1 4 4.1 5 5.1 6 6.1 8 8.1 10

>10.00 Total N

0 0

1 0

0 0

0 2

NNE 0

0 0

0 2

0 0

2 NE 0

0 0

0 2

0 0

2 ENE 0

0 0

3 1

0 0

4 E

0 0

0 1

0 0

0 1

ESE 0

0 0

0 3

2 0

0 0

5 SE 0

0 0

1 3

3 5

2 0

0 0

14 SSE 0

0 0

2 5

9 2

1 0

0 0

19 S

0 0

5 3

3 2

1 0

0 14 55W 0

0 0

0 3

10 13 7

3 0

0 36 SW 0

0 0

15 12 6

4 0

0 37 WSW 0

0 0

0 1

3 1

1 7

0 0

13 W

0 0

1 3

1 6

2 0

0 13 WNW 0

0 0

0 1

8 7

1 6

0 0

23 NW 0

0 0

2 3

5 0

0 0

10 NNW 0

0 0

1 1

0 0

2 Tot 0

0 0

3 24 61 53 33 23 0

0 197 HoursofCalm 0

Hours ofVariable Direction 0

Hours ofValid Data 197 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class B Moderately Unstable based on lapse rate Elevations: Winds lOm Stability 60m Wind Speed Range (m/s)

Wind Direction Sector

<0.50 0.5-1 1.1 1.5 1.6 2 21 3 3.1 4 4.1 5 S.1 6 6.1 8 8.1 10

>10.00 Total N

0 0

2 0

3 0

0 2

0 7

NNE 0

0 0

0 4

6 0

0 0

10 NE 0

0 0

0 8

1 2

0 0

11 ENE 0

0 0

0 3

1 4

0 0

8 E

0 0

0 2

3 0

0 0

0 5

ESE 0

0 1

0 4

4 4

1 0

0 0

14 SE 0

0 0

3 4

11 2

0 1

0 0

21 SSE 0

0 0

2 8

10 1

2 1

0 0

24 S

0 0

2 0

15 14 7

7 1

0 0

46 55W 0

0 0

5 20 25 12 2

4 0

0 68 SW 0

0 1

0 5

12 11 4

1 0

0 34 WSW 0

0 0

0 2

4 3

0 0

9 W

0 0

6 8

3 0

2 0

0 19 WNW 0

0 0

0 3

11 6

4 1

0 0

25 NW 0

0 0

0 2

11 4

5 0

0 0

22 NNW 0

0 0

1 6

10 2

2 0

1 0

22 Tot 0

0 4

11 92 130 67 27 11 3

0 345 HoursofCalm 0

Hours ofVariable Direction 0

Hours ofValid Data 345 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class C Slightly Unstable based on lapse rate Elevations: Winds 1Dm Stability 6Dm Wind Speed Range (m/s)

Wind Direction Sector

<050 0.5-1 1.1 1.5 1.6 2 2.1 3 3.1 4 4.1 5 5.1 6 6.1 8 8.1 10

>10.00 Total N

0 0

0 2

13 10 4

0 2

1 0

32 NNE 0

0 0

4 13 12 4

1 0

0 0

34 NE 0

0 1

0 10 0

0 0

0 11 ENE 0

0 0

2 8

1 3

0 0

14 E

0 0

0 2

8 2

2 1

0 0

0 15 ESE 0

0 1

2 4

10 1

3 0

0 0

21 SE 0

0 6

9 14 10 1

0 0

40 SSE 0

0 1

10 20 13 2

2 0

0 0

48 S

0 0

2 2

17 11 14 4

2 0

0 52 55W 0

0 2

7 18 22 16 4

3 0

0 72 SW 0

0 0

3 17 16 7

1 1

0 0

45 WSW 0

0 1

3 6

4 2

3 1

0 0

20 W

0 0

1 3

10 8

7 4

3 0

0 36 WNW 0

0 0

2 14 10 3

6 5

0 0

40 NW 0

0 0

4 12 8

1 3

0 0

0 28 NNW 0

0 0

4 16 14 3

2 0

0 0

39 Tot 0

0 15 59 200 151 70 34 17 1

0 547 HoursofCalm 0

Hours ofVariable Direction 0

Hours ofValid Data 547 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class D Neutral based on lapse rate Elevations: Winds lOm Stability 60m Wind Speed Range (mis)

Wind Direction Sector

<0.50 0.5-1 1.1 1.5 1.6 2 2.1 3 3.1 4 4.1 5 5.1 6 6.1 8 8.1 10

>10.00 Total N

0 4

16 26 82 81 75 34 34 5

0 357 NNE 0

4 14 24 129 69 30 4

0 0

0 274 NE 1

4 18 20 82 42 11 5

4 0

0 187 ENE 1

2 10 22 68 39 11 13 2

0 0

168 E

0 3

20 24 64 63 35 7

2 0

0 218 ESE 0

6 14 25 57 59 33 22 1

0 0

217 SE 0

5 12 38 106 56 19 10 0

0 0

246 SSE 0

1 17 15 74 33 21 11 3

2 0

177 S

0 2

9 14 42 52 45 17 18 1

0 200 55W 0

3 11 19 43 49 27 11 1

0 0

164 SW 0

4 12 20 57 30 18 7

1 5

0 154 WSW 2

6 16 16 38 22 17 12 11 6

0 146 W

0 3

15 20 44 26 28 28 39 12 2

217 WNW 0

2 17 30 33 48 41 33 23 0

0 227 NW 0

7 18 40 59 64 36 14 7

0 0

245 NNW 0

6 17 42 78 79 47 42 11 0

0 322 Tot 4

62 236 395 1056 812 494 270 157 31 2

3519 Hours ofCalm 1

Hours ofVariable Direction 0

Hours ofValid Data 3520 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class E Slightly Stable based on lapse rate Elevations: Winds lOm Stability 6Dm Wind Speed Range (mis)

Wind I

Direction Sector

<0.50 0.5-1 1.1-1.5 1.6-2 2.1-3 3.1-4 4.1-5 5.1-6 6.1-8 8.1-10

>10.00 Total N

1 5

17 24 34 24 9

1 1

0 0

116 NNE 0

8 21 31 44 8

2 0

0 0

0 114 NE 0

8 14 19 28 13 1

2 0

0 0

85 ENE 0

9 18 22 36 8

1 0

0 0

0 94 E

0 3

17 20 37 10 0

0 0

87 ESE 1

10 23 33 49 13 4

1 0

0 0

134 SE 0

17 32 67 109 24 4

0 0

253 SSE 0

5 17 35 148 92 49 15 4

0 0

365 S

0 3

5 23 96 104 51 25 5

0 0

312 55W 0

6 20 20 74 56 14 2

2 0

0 194 SW 0

5 12 28 61 23 6

3 3

0 0

141 WSW 0

9 13 29 37 13 15 3

2 2

1 124 W

1 8

20 31 43 24 16 11 2

0 0

156 WNW 1

5 19 22 48 19 4

3 0

0 0

121 NW 1

12 30 25 43 11 8

2 0

0 0

132 NNW 1

6 11 15 40 25 11 3

0 0

0 112 Tot 6

119 289 444 927 467 195 71 19 2

1 2540 HoursofCalm 2

Hours ofVariable Direction 0

Hours of Valid Data 2542 Hours of Missing Data 59

[___Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class F Moderately Stable based on lapse rate Elevations: Winds lOm Stability 60m Wind Speed Range (m/s)

Wind Direction Sector

<0.50 0.5-1 1.1-1.5 1.6 2 2.1 3 3.1 4 4.1 5 5.1 6 6.1 8 8.1 10

>10.00 Total N

0 11 13 19 10 1

1 0

0 0

0 55 NNE 0

12 11 10 15 1

0 0

0 49 NE 0

8 24 8

5 0

0 0

0 45 ENE 0

15 15 4

2 0

0 0

0 36 E

0 11 7

6 1

0 0

25 ESE 0

10 17 15 0

0 0

42 SE 0

17 47 28 23 0

0 0

0 115 SSE 0

12 28 53 118 32 2

0 0

245 S

0 8

11 22 74 17 3

0 0

135 55W 0

8 18 10 31 8

0 0

0 75 SW 1

11 7

11 17 1

0 1

0 0

0 49 WSW 2

10 15 9

8 0

0 0

0 44 W

0 8

12 7

9 1

0 0

0 37 WNW 1

19 19 5

14 0

0 0

0 58 NW 0

8 18 17 16 0

0 0

0 59 NNW 1

5 11 17 9

0 0

43 Tot 5

173 273 241 352 61 6

1 0

0 0

1112 HoursofCalm 4

Hours ofVariable Direction 0

Hours ofValid Data 1116 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class G Extremely Stable based on lapse rate Elevations: Winds lOm Stability 60m Wind Speed Range (m/s)

Wind Direction Sector 0.5-1 1.1-1.5 1.6 2 2.1 3

3.1 4 4.1 5 5.1 6 6.1 8 8.1 10

>10.00 Total N

1 12 8

4 0

0 0

25 NNE 0

10 15 0

0 0

0 25 NE 1

15 13 1

3 0

0 0

0 33 ENE 2

7 5

0 0

14 E

0 7

1 0

0 0

0 8

ESE 1

6 0

0 0

7 SE 0

9 5

8 2

0 0

24 SSE 2

13 24 23 43 5

0 0

0 110 S

0 13 14 12 9

2 0

0 0

50 55W 1

8 9

3 1

0 0

22 SW 0

7 0

1 1

0 0

9 WSW 0

5 1

0 0

6 W

0 4

4 2

0 0

0 10 WNW 1

9 7

2 1

0 0

20 NW 0

12 8

11 2

0 0

33 NNW 1

9 10 5

0 0

0 25 Tot 10 146 124 72 62 7

0 0

0 421 HoursofCalm 13 Hours ofVariable Direction 0

Hours ofValid Data 434 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 All Stabilities Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Wind Direction Sector

<0.50 0.5-1 1.1 1.5 1.6 2 2.1 3 3.1 4 4.1 5 5.1 6 6.1 8 8.1 10

>10.00 Total N

1 3

5 19 63 78 119 84 72 34 7

485 NNE 0

2 6

21 83 192 180 118 61 5

0 668 NE 0

4 16 32 85 152 127 85 33 3

2 539 ENE 0

6 13 25 68 76 100 47 31 6

1 373 E

0 6

13 9

64 75 84 70 24 5

0 350 ESE 0

4 6

18 51 86 122 86 44 5

0 422 SE 0

9 20 49 209 188 124 46 17 0

0 662 SSE 0

7 17 19 111 154 143 139 139 15 4

748 S

0 2

8 21 63 94 151 228 238 44 4

853 55W 0

3 7

17 73 93 130 196 219 27 2

767 SW 0

2 5

9 41 62 109 122 127 26 14 517 WSW 1

2 9

16 29 53 77 44 63 44 34 372 W

0 2

5 10 38 49 80 73 111 62 41 471 WNW 0

1 10 15 39 50 79 97 160 58 28 537 NW 0

3 9

11 68 85 66 85 110 32 8

477 NNW 0

2 8

13 76 64 89 69 115 20 4

460 Tot 2

58 157 304 1161 1551 1780 1589 1564 386 149 8701 Hours ofCalm 0

Hours ofVariable Direction 0

Hours ofValid Data 8701 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class A Extremely Unstable based on lapse rate Elevations: Winds 60m Stability 6Dm Wind Speed Range (m/s)

Wind Direction 1 1-Sector

<0.50 0.5-1 1.5 16-2 2.1-3 3.1-4 4.1-5 5.1 6 6.1-8 8.1-10

>10.00 Total N

0 0

0 1

0 0

0 2

NNE 0

0 0

2 0

0 2

0 0

4 NE 0

0 0

3 0

7 4

0 0

14 ENE 0

0 0

0 1

0 2

0 0

3 E

0 0

0 1

0 0

0 1

ESE 0

0 0

1 0

0 0

1 SE 0

0 0

0 3

2 4

0 2

0 0

11 SSE 0

0 0

0 2

3 8

4 1

0 0

18 S

0 0

4 3

5 2

3 0

0 17 55W 0

0 0

2 4

9 16 6

0 37 SW 0

0 0

0 4

11 13 3

2 33 WSW 0

0 0

0 2

2 1

6 3

14 W

0 0

1 1

2 5

1 10 WNW 0

0 0

0 1

3 9

3 4

20 NW 0

0 0

0 2

2 5

2 0

11 NNW 0

0 0

1 0

0 0

1 Tot 0

0 0

0 10 17 33 44 58 25 10 197 HoursofCalm 0

Hours ofVariable Direction 0

Hours ofValid Data 197 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class B Moderately Unstable based on lapse rate Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Wind Direction Sector

<0.50 0.51 1.11.5 1.62 2.13 3.14 4.15 5.16 6.18 8.110

>10.00 Total N

0 0

3 0

0 3

0 0

1 7

NNE 0

0 0

0 2

6 3

0 0

11 NE 0

0 0

3 4

6 6

8 0

0 0

27 ENE 0

0 0

6 4

3 2

0 0

15 E

0 0

0 3

0 0

0 3

ESE 0

0 0

0 2

2 4

1 1

0 0

10 SE 0

0 0

0 4

2 7

0 0

13 SSE 0

0 0

1 6

6 9

1 2

2 0

27 S

0 0

0 2

7 10 11 7

10 0

0 47 55W 0

0 0

0 8

14 12 18 8

4 0

64 SW 0

0 0

0 1

1 12 6

11 3

1 35 WSW 0

0 0

2 5

1 0

8 W

0 0

0 2

4 5

4 2

0 17 WNW 0

0 0

0 1

2 5

4 10 6

0 28 NW 0

0 0

6 3

3 2

4 0

18 NNW 0

0 0

4 5

1 3

0 2

15 Tot 0

0 0

6 38 67 85 65 58 22 4

345 HoursofCalm 0

Hours ofVariable Direction 0

Hours ofValid Data 345 Hours of Missing Data 59 Hours in Period 8760

Caflaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class C Slightly Unstable based on lapse rate Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Wind Direction Sector

<0.50 0.5-1 1.1 1.5 1.6 2 2.1 3

3.1 4 4.1 5 5.1 6 6.1 8 8.1 10

>10.00 Total N

0 0

11 2

9 3

1 2

1 29 NNE 0

0 1

2 6

12 9

5 1

0 0

36 NE 0

0 0

0 13 8

4 3

1 0

0 29 ENE 0

0 0

2 8

3 1

1 1

0 0

16 E

0 0

1 0

6 0

2 0

0 0

0 9

ESE 0

0 0

2 1

7 5

1 3

1 0

20 SE 0

0 0

3 16 9

5 1

0 0

0 34 SSE 0

0 2

4 19 13 6

3 2

0 0

49 S

0 0

1 3

11 10 8

10 7

2 0

52 55W 0

0 0

3 16 11 11 16 13 3

0 73 SW 0

0 1

1 8

6 7

9 11 2

1 46 WSW 0

0 0

0 2

4 3

1 5

3 0

18 W

0 0

0 1

6 5

8 5

10 2

3 40 WNW 0

0 0

0 4

9 6

5 5

8 3

40 NW 0

0 0

0 10 8

3 6

3 2

0 32 NNW 0

0 0

0 3

10 6

3 2

0 0

24 Tot 0

0 6

21 140 117 93 72 65 25 8

547 HoursofCalm 0

Hours ofVariable Direction 0

Hours ofValid Data 547 Hours of Missing Data 59 Hours n Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class D Neutral based on lapse rate Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Wind Direction Sector

<0.50 0.51 1.11.5 1.62 2.13 3.14 4.15 5.16 6.18 8.110

>10.00 Total N

0 3

3 15 39 48 75 42 51 31 5

312 NNE 0

1 4

14 39 109 76 38 23 2

0 306 NE 0

3 12 20 32 80 56 24 11 2

1 241 ENE 0

5 10 16 38 43 36 16 18 6

1 189 E

0 3

7 5

42 38 32 29 23 5

0 184 ESE 0

2 4

12 24 31 52 41 34 4

0 204 SE 0

4 5

19 63 65 45 25 13 0

0 239 SSE 0

2 5

11 48 47 25 16 19 1

4 178 S

0 1

3 8

19 26 28 45 39 17 1

187 55W 0

2 4

8 30 28 30 34 38 9

0 183 SW 0

1 3

6 24 31 31 26 20 10 7

159 WSW 1

0 4

13 12 17 27 8

21 18 25 146 W

0 1

5 6

20 22 16 19 44 37 36 206 WNW 0

0 7

14 26 23 26 30 75 34 21 256 NW 0

0 9

7 39 44 34 32 62 18 8

253 NNW 0

2 6

9 53 34 44 42 67 18 2

277 Tot 1

30 91 183 548 686 633 467 558 212 111 3520 HoursofCalm 0

Hours ofVariable Direction 0

Hours ofValid Data 3520 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class E Slightly Stable based on lapse rate Elevations: Winds 6Dm Stability 60m Wind Speed Range (m/s)

Wind Direction Sector

<0.50 0.5-1 1.1 1.5 1.6 2 2.1 3 3.1 4 4.1 5 5.1 6 6.1 8 8.1 10

>10.00 Total N

0 0

1 4

8 18 27 22 18 1

0 99 NNE 0

1 1

3 23 46 58 38 17 1

0 188 NE 0

0 4

4 22 35 39 22 8

1 0

135 ENE 0

1 2

5 15 17 22 10 5

0 0

77 E

0 1

1 2

8 22 28 24 1

0 0

87 ESE 0

2 2

2 11 24 45 27 6

0 0

119 SE 0

1 4

11 72 80 50 12 1

0 0

231 SSE 0

2 4

2 13 52 56 78 78 11 0

296 S

0 0

1 2

10 18 41 90 128 22 3

315 55W 0

1 3

3 12 21 35 66 84 5

2 232 SW 0

1 0

0 6

19 32 44 47 7

3 159 WSW 0

0 2

1 7

19 32 23 25 15 6

130 W

0 1

0 2

9 13 37 31 40 16 1

150 WNW 0

0 0

0 2

11 24 42 39 7

0 125 NW 0

3 0

3 14 14 17 33 26 6

0 116 NNW 0

0 1

3 9

8 20 14 26 2

0 83 Tot 0

14 26 47 241 417 563 576 549 94 15 2542 HoursofCalm 0

Hours ofVariable Direction 0

Hours ofValid Data 2542 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class F Moderately Stable based on lapse rate Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Wind Direction Sector

<0.50 0.5-1 1.1-1.5 1.6 2 2.1 3

3.1 4 4.1 5 5.1 6 6.1 8 8.1 10

>10.00 Total N

0 0

2 6

6 9

2 0

0 25 NNE 0

0 0

1 11 15 25 29 16 2

0 99 NE 0

1 0

5 12 12 16 15 9

0 1

71 ENE 0

0 1

2 3

5 20 8

3 0

0 42 E

0 1

3 0

4 9

14 10 0

0 0

41 ESE 0

0 0

0 8

13 11 15 0

0 0

47 SE 0

0 5

11 42 24 11 7

1 0

0 101 SSE 0

1 0

0 15 23 35 30 35 1

0 140 S

0 0

1 2

8 16 37 54 38 3

0 159 55W 0

0 0

0 2

13 29 38 50 0

0 132 SW 0

0 0

1 0

3 16 21 21 1

0 63 WSW 0

1 0

2 5

5 9

8 6

1 0

37 W

0 0

0 1

1 5

11 10 11 0

0 39 WNW 0

0 1

0 2

5 14 11 18 0

0 51 NW 0

0 0

1 4

9 3

5 10 0

0 32 NNW 0

0 1

0 7

4 9

6 10 0

0 37 Tot 0

4 12 26 126 167 266 276 230 8

1 1116 HoursofCalm 0

Hours ofVariable Direction 0

Hours ofValid Data 1116 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Joint Frequency Distribution: Hours at Wind Speed and Direction January-December, 2019 Class G Extremely Stable based on lapse rate Elevations: Winds 6Dm Stability 60m Wind Speed Range (m/s)

Wind Direction Sector

<0.50 0.5-1 1.11.5 1.62 2.13 3.14 4.15 5.16 6.18 8.110

>10.00 Total N

1 0

0 3

2 4

0 0

0 11 NNE 0

0 0

1 2

2 9

8 2

0 0

24 NE 0

0 0

0 2

8 6

6 0

0 0

22 ENE 0

0 0

0 3

2 15 9

2 0

0 31 E

0 1

1 2

4 5

8 4

0 0

0 25 ESE 0

0 0

2 5

9 5

0 0

21 SE 0

4 6

5 9

6 2

1 0

0 0

33 SSE 0

2 6

1 8

10 4

7 2

0 0

40 S

0 1

2 4

4 11 21 20 13 0

0 76 55W 0

0 0

3 5

4 9

15 10 0

0 46 SW 0

0 1

1 2

2 7

5 4

0 0

22 WSW 0

1 3

0 3

8 4

0 0

19 W

0 0

2 2

3 2

0 0

0 9

WNW 0

1 2

1 4

0 3

2 4

0 0

17 NW 0

0 0

0 1

4 4

4 2

0 0

15 NNW 0

0 0

1 4

4 5

2 7

0 0

23 Tot 1

10 22 21 58 80 107 89 46 0

0 434 HoursofCalm 0

Hours ofVariable Direction 0

Hours ofValid Data 434 Hours of Missing Data 59 Hours in Period 8760

Callaway Energy Center 2019 Annual Radioactive Effluent Release Report Appendix C Changes to the Callaway Energy Center Offsite Dose Calculation Manualfor the year 2019

ULNRC-06594, 2019 Annual Radioactive Effluent Release Report

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