ULNRC-06110, Annual Radioactive Effluent Release Report

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Annual Radioactive Effluent Release Report
ML14092A160
Person / Time
Site: Callaway Ameren icon.png
Issue date: 04/02/2014
From:
Ameren Missouri
To:
Office of Nuclear Reactor Regulation
References
ULNRC-06110
Download: ML14092A160 (33)
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Text

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Callaway Energy Center 2013 Annual Radioactive Efluent Release Report Facility Operating License NPF-30 Docket Number 50-483 0

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Callaway Energy Center 2013 Annual Abstract Radioactive The Annual Radioactive Effluent Release Report covers the operation of Efluent Release the Callaway Energy Center during the year Report 2013. The report includes a summary of the quantities of Facility Operating License NPF-30 radioactive liquid and Docket No. 50-483 gaseous effluents and solid waste released

1. Introduction This Annual Radioactive Effluent Release Report (ARERR) is submitted from the unit. The by Union Electric Co., dba Ameren Missouri, in accordance with the report also includes an requirements of 10 CFR 50.36a and Callaway Energy Center Technical annual summary of Specification 5.6.3. This report is for the period January 1, 2013 to December 31, 2013. hourly meteorological data collected during the The doses to the Member of the Public from all liquid and gaseous effluents discharged during the reporting period were small fractions year and an assessment of the Nuclear Regulatory Commission (NRC) and Environmental of radiation dose to the Protection Agency (EPA) regulatory limits and the Radiological Effluent Control limits in the Offsite Dose Calculation Manual (ODCM). Member of the Public from liquid and gaseous effluents. 1

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report To maximize consistency, aid in the review by Members of the Public, and to allow easier industry- wide comparison of the data, this report is presented in the format recommended by Regulatory Guide 1.21, revision 2, insofar as is practicable. Callaway is committed to revision 1 of Regulatory Guide 1.21, and some of the information is not readily available in the format recommended by revision 2.

2. Gaseous Effluents The quantity of radioactive material released in gaseous effluents during the reporting period is summarized in Table A-1. The quarterly and annual sums of all radionuclides discharged in gaseous effluents are reported in Tables A-1A and A-1B. All gaseous effluent releases are considered to be ground level.

The quantity of 14C released in gaseous effluents was calculated as described in EPRI Technical Report 1021106 a and the Callaway Energy Center Offsite Dose Calculation Manual (ODCM).

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.
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.

2 a

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

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report 5.1 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 /Q b, 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 c, as described in the ODCM. The organ dose does not include the dose from 14C, 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 of the 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 of the 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 14C (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 were no abnormal releases or abnormal discharges during the reporting period.

6.2 Non- routine Planned Discharges The March 2013 monthly gross alpha liquid composite sample was accidentally contaminated with Liquid Scintillation Counting cocktail waste. Attempts were made to analyze the March monthly composite for gross alpha, however the transmission loss was too high and the March monthly composite could not be used for the gross alpha analysis required by ODCM Table 16.11-1. The only remaining option was to analyze quarterly composite sample. The quarterly composite represents an average of the gross alpha concentration for the 1st quarter, 2013 whereas the monthly composite represents only the month of March, 2013; therefore the monthly and the quarterly composites are not equivalent samples; however, analysis of the quarterly composite was the only remaining option for recovery. The result of the analysis of the b

A numerical value corresponding to the atmospheric transport and diffusion of gases released in gaseous effluents. is the average atmospheric concentration and Q is the effluent emission over the time interval. 3 c

A numerical value corresponding to the deposition rate of particulate and iodine nuclides released in gaseous effluents. D is the average atmospheric deposition and Q is the effluent emission over the time interval.

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report quarterly liquid composite sample (5.24E-08 Ci/ml) is consistent with historical results. The Effluents Management System (EMS) software was updated with the results of the gross alpha analysis. This is documented in the Callaway corrective action program as CAR 201301930.

On April 18, 2013, a fire at the Unit Auxillary Transformer caused a loss of power to the electrical bus PA02 while on back feed. The loss of electrical power to the Auxiliary Building outlets and lighting resulted in loss of power to equipment used to sample the Unit Vent for 3H. At the time of the loss of power, the refueling canal was flooded. ODCM Table 16.11-4, note 4 requires 3H grab samples to be taken and analyzed at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> when the refueling canal is flooded. Due to the loss of power, the 3H sample was taken approximately 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> 24 minutes late. This is documented in the Callaway corrective action program as CAR 201302923.

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 Radiological Environmental Operating Report.

6.5 Effluent Monitoring System Inoperability On 01/10/13 and on 1/11/13, while performing damper maintenance, the Unit vent flow rate dropped to <6750 standard cubic feet per minute (scfm) which is below the process flow rate necessary to maintain isokinetic sampling. The affected period is approximately 1.22 hours2.546296e-4 days <br />0.00611 hours <br />3.637566e-5 weeks <br />8.371e-6 months <br /> on 1/10/2013 and 1.25 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> on 1/11/2013 which is short compared to the sampling period, which is one week. The sample filters were changed between the two low flow periods, therefore each period is considered a discrete event. The loss of isokinetic flow, while resulting in inaccurate sampling for the 1.22 hours2.546296e-4 days <br />0.00611 hours <br />3.637566e-5 weeks <br />8.371e-6 months <br /> and 1.25 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> has little effect due to the relative length of the sampling period. The installed isokinetic nozzles are incapable of isokinetic sampling at unit vent flow rates <6750 scfm even with auxiliary sampling equipment, therefore, Action 43 of FSAR/ODCM Table 16.11-5 was not met during these two periods. This is documented in the Callaway corrective action program as CAR 201300253 and CAR 201300289.

6.6 Offsite Dose Calculation Manual Changes There were no changes to the Offsite Dose Calculation Manual during the reporting period.

6.7 Process Control Program Changes Revision 13 to APA-ZZ-01011, Process Control Program was issued on 12/19/13. This revision 4

added clarification that radioactive material shipped offsite to a processor does not have to meet solidification or dewatering criteria prior to shipment to the vendor. There were no substantive changes to APA-ZZ-01011, Process Control Program during the reporting period.

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report 6.8 Corrections to Previous Reports There are no corrections to previous reports.

6.9 Other Information Related to Radioactive Effluents Meteorological Joint Frequency Tables for the monitoring period are attached as Appendix B.

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Callaway Energy Center 2013 Annual Radioactive Effluent Release Report 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 6

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Table A-1: Gaseous Effluents- Summation of All Releases Est.

Summation of Quarter Quarter Quarter Quarter Unit Total Uncert.

All Releases 1 2 3 4

(%) d Fission &

Activation Ci 1.02E+00 1.34E+00 2.30E-01 5.05E-02 2.65E+00 20 Gases Average

µCi/s 1.32E-01 1.71E-01 2.90E-02 6.36E-03 3.39E-01 Release Rate

% of Limit  % N/A N/A N/A N/A N/A 131 Iodine Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 23 Average

µCi/s 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Release Rate

% of Limit  % N/A N/A N/A N/A N/A Particulates Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 30 Average

µCi/s 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Release Rate

% of Limit  % N/A N/A N/A N/A N/A Gross Alpha Ci 2.07E-07 1.43E-07 1.04E-07 1.02E-07 5.56E-07 3

H Ci 3.77E+00 1.57E+01 1.07E+01 7.82E+00 3.80E+01 14 Average

µCi/s 4.84E-01 2.00E+00 1.34E+00 9.84E-01 1.20E+00 Release Rate

% of Limit  % N/A N/A N/A N/A N/A 14 e C Ci 2.60 2.60 2.60 2.60 10.4 7

d Safety Analysis calculation 87-063-00, January 6, 1988 e 14 14 C activity is estimated based on EPRI report TR-1021106, Estimation of C in Nuclear Power Plant Effluents, December, 2010.

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Table A-1A: Gaseous Effluents- Ground Level Release- Batch Mode Fission &

Total for Activation Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 the year Gases 41 Ar Ci 5.40E-02 3.48E-01 2.29E-02 5.05E-02 4.75E-01 85 Kr Ci 1.52E-01 0.00E+00 00.0E+00 00.0E+00 1.52E-01 85m Kr Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 87 Kr Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 131m Xe Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 133 Xe Ci 8.10E-04 1.53E-02 00.0E+00 00.0E+00 1.61E-02 133m Xe Ci 00.0E+00 00.0E+00 1.27E-04 00.0E+00 1.27E-04 135 Xe Ci 1.88E-05 2.73E-03 00.0E+00 00.0E+00 2.75E-03 Total Ci 2.07E-01 3.66E-01 2.30E-02 5.05E-02 6.47E-01 Iodines & Total for Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 Halogens the year 131 I Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 132 I Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Total Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Total for Particulates Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 the year 63 Ni Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 60 Co Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Total Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 3 Ci 3.87E-02 4.39E-01 6.25E-02 4.97E-02 5.90E-01 H

Gross alpha Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 14 Ci 4.28E-01 4.28E-01 4.28E-01 4.28E-01 C 1.71E+00 8

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Table A-1B: Gaseous Effluents- Ground Level Release- Continuous Mode Fission & Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total for Activation the year Gases 41 Ar Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 85 Kr Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 85m Kr Ci 1.88E-03 0.00E+00 0.00E+00 0.00E+00 1.88E-03 88 Kr Ci 3.29E-03 0.00E+00 0.00E+00 0.00E+00 3.59E-03 131m Xe Ci 0.00E+00 0.00E+00 2.07E-01 0.00E+00 2.07E-01 133 Xe Ci 6.18E-01 9.71E-01 0.00E+00 0.00E+00 1.59E+00 133m Xe Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 135 Xe Ci 1.93E-01 4.56E-03 0.00E+00 0.00E+00 1.98E-01 Total Ci 8.16E-01 9.76E-01 2.07E-01 00.0E+00 2.00E+00 Iodines & Total for Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 Halogens the year 131 I Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 132 I Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Total Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Total for Particulates Units Quarter 1 Quarter 2 Quarter 3 Quarter 4 the year 63 Ni Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 60 Co Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Total Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 3 Ci 3.73E+00 1.53E+01 1.06E+01 7.77E+00 3.74E+01 H

Gross alpha Ci 2.07E-07 1.43E-07 1.04E-07 1.02E-07 5.56E-07 14 Ci 2.17E+00 2.17E+00 2.17E+00 2.17E+00 8.69E+00 C

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Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Table A-2: Liquid Effluents- Summation of All Releases Summation Est.

Quarter Quarter Quarter Quarter of All Liquid Units Total Uncert.

1 2 3 4 Releases (%) f Fission and Activation Ci 2.60E-02 6.21E-02 1.20E-02 3.57E-03 1.04E-01 20 Products g Avg Diluted

µCi/ml 7.74E-08 2.05E-07 7.33E-08 7.53E-08 1.22E-07 Conc

% of Limit  % N/A N/A N/A N/A N/A 3

H Ci 8.23E+02 2.10E+02 1.20E+02 7.72E+01 1.23E+03 14 Avg Diluted

µCi/ml 2.45E-03 6.94E-04 7.33E-04 1.63E-03 1.45E-03 Conc

% of Limit  % N/A N/A N/A N/A N/A Dissolved &

Entrained Ci 1.60E-03 1.08E-03 8.49E-05 00.0E+00 2.76E-03 27 Gases Avg Diluted

µCi/ml 4.75E-09 3.56E-09 5.19E-10 00.0E+00 3.25E-09 Conc

% of Limit  % N/A N/A N/A N/A N/A Gross alpha Ci 1.16E-03 2.47E-04 5.89E-05 8.01E-05 1.55E-03 29 Avg Diluted

µCi/ml 3.46E-09 8.16E-10 3.60E-10 1.69E-09 1.82E-09 Conc Vol Liquid Liters 5.64E+06 1.03E+07 5.72E+06 1.63E+06 2.32E+07 Effluent h Dilution Liters 3.30E+08 2.93E+08 1.58E+08 4.58E+07 8.26E+08 Volume i Avg river m3/s 1.35E+03 3.98E+03 1.85E+03 1.22E+03 2.10E+03 flow j f

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

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

Does not include Missouri River dilution.

j Average Missouri River flow for the year at the Hermann, MO monitoring station as reported by the United States Geological Survey.

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Table A-2A: Liquid Effluents- Batch Mode Fission & Activation Quarter Quarter Quarter Quarter Total for the Units Products 1 2 3 4 year 7

Be Ci 2.35E-05 0.00E+00 0.00E+00 0.00E+00 2.35E-05 24 Na Ci 0.00E+00 3.18E-05 0.00E+00 0.00E+00 3.18E-05 51 Cr Ci 5.53E-05 1.08E-03 0.00E+00 0.00E+00 1.14E-03 54 Mn Ci 1.65E-05 9.34E-05 0.00E+00 0.00E+00 1.10E-04 58 Co Ci 0.00E+00 1.65E-03 1.29E-04 1.54E-06 1.78E-03 60 Co Ci 1.64E-02 1.37E-02 2.70E-03 3.22E-04 3.31E-02 63 Ni Ci 7.32E-04 4.00E-03 4.04E-03 8.48E-04 9.62E-03 65 Zn Ci 0.00E+00 2.54E-05 0.00E+00 0.00E+00 2.54E-05 97 Zr Ci 0.00E+00 5.09E-06 0.00E+00 0.00E+00 5.09E-06 110m Ag Ci 0.00E+00 2.29E-05 0.00E+00 0.00E+00 2.29E-05 122 Sb Ci 0.00E+00 3.15E-04 0.00E+00 0.00E+00 3.15E-04 124 Sb Ci 0.00E+00 4.15E-03 6.19E-05 0.00E+00 4.21E-03 125 Sb Ci 8.65E-03 3.65E-02 5.01E-03 2.39E-03 5.26E-02 132 Te Ci 0.00E+00 2.90E-05 0.00E+00 0.00E+00 2.90E-05 132 I Ci 0.00E+00 8.62E-05 0.00E+00 0.00E+00 8.62E-05 137 Cs Ci 1.20E-04 4.12E-04 4.91E-05 8.51E-06 5.90E-04 138 Cs Ci 0.00E+00 1.50E-05 0.00E+00 0.00E+00 1.50E-05 Total Ci 2.60E-02 6.21E-02 1.20E-02 3.57E-03 1.04E-01 Dissolved & Quarter Quarter Quarter Quarter Total for the Units Entrained Gases 1 2 3 4 year 89 Kr Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 131m Xe Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 133 Xe Ci 1.60E-03 1.08E-03 7.91E-05 0.00E+00 2.76E-03 133m Xe Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 135m Xe Ci 0.00E+00 0.00E+00 5.74E-06 0.00E+00 5.74E-06 137 Xe Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Total Ci 1.60E-03 1.08E-03 8.48E-05 0.00E+00 2.76E-03 3

H Ci 8.23E+02 2.10E+02 1.20E+02 7.72E+01 1.23E+03 Gross alpha Ci 1.16E-03 2.47E-04 5.89E-05 8.01E-05 1.55E-03 11

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Table A-3: Solid Waste & Irradiated Fuel Shipments A. SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL (Not Irradiated Fuel)

1. TYPE OF WASTE Units Period Period Est.

Jan - Jun Jul - Dec Total Error (%)

3 Spent resins, filter sludge, m 4.53E+00 N/A evaporator bottoms, etc. Ci 7.86E-01 N/A + 25%

Dry compressible waste, m3 2.65E+02 N/A contaminated equip., etc. Ci 4.64E-02 N/A + 25%

Irradiated components, m3 N/A N/A control rods, etc. Ci N/A N/A + 25%

Other (low level secondary m3 N/A N/A resin, oily waste) Ci N/A N/A + 25%

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Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Table A-3: Solid Waste & Irradiated Fuel Shipments (continued)

2. ESTIMATE OF MAJOR NUCLIDE COMPOSITION (by Type of Waste)
a. Spent resins, filters, evaporator bottoms, etc.

Nuclide  % Abundance Jan - Jun % Abundance Jul - Dec Ci Ci 60 Co 42.78 3.36E-01 N/A N/A 3

H 24.76 1.94E-01 N/A N/A 137 Cs 20.51 1.61E-01 N/A N/A 63 Ni 6.46 5.07E-02 N/A N/A 134 Cs 1.61 1.26E-02 N/A N/A 55 Fe 1.03 8.10E-03 N/A N/A

b. Dry compressible waste, contaminated equipment, etc.

60 Co 35.15 1.63E-02 N/A N/A 63 Ni 14.43 6.70E-03 N/A N/A 137 Cs 14.03 6.51E-03 N/A N/A 55 Fe 12.31 5.71E-03 N/A N/A 58 Co 5.99 2.78E-03 N/A N/A 51 Cr 4.91 2.28E-03 N/A N/A 95 Nb 4.40 2.04E-03 N/A N/A 95 Zr 2.69 1.25E-03 N/A N/A 134 Cs 2.15 9.95E-04 N/A N/A 54 Mn 1.86 8.63E-4 N/A N/A

c. Irradiated components, control rods, etc.

None N/A N/A N/A N/A

d. Other 13 None N/A N/A N/A N/A

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Table A-3: Solid Waste & Irradiated Fuel Shipments (continued)

3. SOLID WASTE DISPOSITION Number of Mode of Destination Class of Solid Type of Shipments Transport Waste Container Shipped 5 Hittman Duratek Services, A Intermodal Transport Inc. container 1 Hittman Studsvik A Cask Transport Processing Facility - Erwin
  • Sent to waste processors for volume reduction before burial.
4. SOLIDIFICATION AGENT None used.

B. IRRADIATED FUEL SHIPMENTS (Disposition)

There were no shipments of irradiated fuel during the reporting period.

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Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Table A-4: Dose Assessments, 10 CFR 50, Appendix I Quarter Quarter Quarter Quarter Yearly 1 2 3 4 total Liquid Effluent Dose Limit, 1.5 1.5 1.5 1.5 3 Total Body (mrem)

Total Body Dose (mrem) 1.70E-03 1.61E-03 2.48E-04 3.69E-04 3.88E-03

% Limit (%) 0.11% 0.11% 0.02% 0.02% 0.13%

Liquid Effluent Dose Limit, 5 5 5 5 10 Maximum Organ (mrem)

Maximum Organ Dose (mrem) 1.92E-03 2.25E-03 7.21E-04 5.10E-04 4.70E-03

% Limit (%) 0.04% 0.05% 0.01% 0.01% 0.05%

Gaseous Effluent Dose Limit, 5 5 5 5 10 Gamma Air (mrem)

Gamma Air Dose (mrad) 5.47E-05 1.71E-04 1.17E-05 2.23E-05 2.60E-04

% Limit (%) 0.00% 0.00% 0.00% 0.00% 0.00%

Gaseous Effluent Dose Limit, 10 10 10 10 20 Beta Air (mrem)

Beta Air Dose (mrad) 7.67E-05 1.04E-04 1.45E-05 7.88E-06 2.03E-04

% Limit (%) 0.00% 0.00% 0.00% 0.00% 0.00%

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

Maximum organ dose k (mrem) 1.09E-03 4.55E-03 3.08E-03 2.226E-03 1.10E-02

% Limit (%) 0.01% 0.06% 0.04% 0.03% 0.07%

14 C Maximum organ dose (mrem) l 1.98E-03 1.98E-03 1.98E-03 1.98E-03 7.92E-03 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 1.32E-02 1.31E-02 2.08E-02

% Limit 0.05% 0.02% 0.08%

15 k 3 Iodine, H, and particulates with greater than an 8 day half- life.

l Not included in above totals

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Appendix B Dispersion Parameters for the Reporting Period Joint Frequency Tables; Totals of Hours at Each Wind Speed & Direction for the period January 1, 2013- December 31, 2013 Dispersion Parameters for the Reporting Period Nearest Resident Direction: NNW Distance: 2897 meters X/Q, Undecayed and Undepleted: 1.10E-06 sec/m3 X/Q Decayed and Undepleted: 1.00E-06sec/m3 X/Q Decayed and Depleted: 9.00E-07 sec/m3 D/Q Deposition rate: 3.30E-09 m-2 Site Boundary Direction: NNW Distance: 2200 meters X/Q, Undecayed and Undepleted: 1.50E-06 sec/m3 X/Q Decayed and Undepleted: 1.50E-06 sec/m3 X/Q Decayed and Depleted: 1.30E-06 sec/m3 D/Q Deposition rate: 4.90E-09 m-2 16

Joint Frequency Distribution January- December, 2013 All Stabilities Elevations: Winds 10m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 29 36 65 111 117 79 27 13 0 0 477 NNE 0 24 53 44 102 51 35 14 3 0 0 326 NE 0 13 57 36 68 63 15 8 6 0 0 266 ENE 0 20 36 57 85 65 26 11 2 0 0 302 E 0 20 33 41 83 51 24 12 2 0 0 266 ESE 0 22 50 50 117 67 43 8 0 0 0 357 SE 0 48 135 160 307 149 53 2 0 0 0 854 SSE 0 46 85 165 497 218 90 32 8 0 0 1141 S 0 34 51 71 227 214 143 102 88 10 0 940 SSW 0 3 24 58 158 183 95 37 19 3 0 580 SW 0 22 37 57 154 131 60 20 15 2 0 498 WSW 0 20 44 42 100 81 45 12 11 3 0 358 W 0 29 37 58 120 83 74 49 22 1 2 475 WNW 0 39 65 82 143 113 89 46 28 0 0 605 NW 0 27 46 72 163 147 87 38 13 0 0 593 NNW 0 15 32 56 187 201 110 52 18 0 0 671 Tot 0 411 821 1114 2622 1934 1068 470 248 19 2 8709 Hours of Calm 48 Hours of Variable Direction .. 0 Hours of Valid Data 8757 Hours of Missing Data .. 3 Hours in Period .. 8760 17

Joint Frequency Distribution January- December, 2013 Class A Extremely Unstable based on lapse rate Elevations: Winds 10m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 0 0 0 0 3 0 0 0 0 0 3 NNE 0 0 0 0 1 1 1 0 0 0 0 3 NE 0 0 0 0 1 4 1 0 0 0 0 6 ENE 0 0 0 1 1 0 1 0 0 0 0 3 E 0 0 0 0 1 3 1 0 0 0 0 5 ESE 0 0 0 0 0 1 1 0 0 0 0 2 SE 0 0 0 0 9 21 10 0 0 0 0 40 SSE 0 0 0 0 14 12 7 0 0 0 0 33 S 0 0 0 0 9 5 8 2 2 1 0 27 SSW 0 0 0 0 6 9 6 5 3 0 0 29 SW 0 0 0 0 4 13 13 2 2 0 0 34 WSW 0 0 0 0 4 16 5 1 2 0 0 28 W 0 0 0 0 1 13 8 8 6 0 0 36 WNW 0 0 0 0 2 7 16 10 0 0 0 35 NW 0 0 0 0 2 12 9 6 1 0 0 30 NNW 0 0 0 0 0 8 7 2 0 0 0 17 Tot 0 0 0 1 55 128 94 36 16 1 0 331 Hours of Calm 0 Hours of Variable Direction .. 0 Hours of Valid Data 331 Hours of Missing Data .. 3 Hours in Period .. 8760 18

Joint Frequency Distribution January- December, 2013 Class B Moderately Unstable based on lapse rate Elevations: Winds 10m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 0 0 1 5 7 0 0 0 0 0 13 NNE 0 0 0 0 3 4 1 1 2 0 0 11 NE 0 0 0 0 2 8 1 0 0 0 0 11 ENE 0 0 0 0 3 4 6 0 0 0 0 13 E 0 0 0 0 3 4 2 0 0 0 0 9 ESE 0 0 0 0 5 1 2 0 0 0 0 8 SE 0 0 0 1 16 12 8 0 0 0 0 37 SSE 0 0 0 1 19 11 5 4 0 0 0 40 S 0 0 0 1 11 7 8 7 2 3 0 39 SSW 0 0 0 0 4 19 10 4 2 0 0 39 SW 0 0 0 0 7 17 4 2 4 0 0 34 WSW 0 0 0 1 2 3 9 1 1 0 0 17 W 0 0 0 0 5 5 9 2 1 0 0 22 WNW 0 0 0 0 8 14 6 3 2 0 0 33 NW 0 0 0 0 6 16 12 3 2 0 0 39 NNW 0 0 0 0 6 17 14 2 5 0 0 44 Tot 0 0 0 5 105 149 97 29 21 3 0 409 Hours of Calm 0 Hours of Variable Direction .. 0 Hours of Valid Data 409 Hours of Missing Data .. 3 Hours in Period .. 8760 19

Joint Frequency Distribution January- December, 2013 Class C Slightly Unstable based on lapse rate Elevations: Winds 10m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 0 0 0 4 6 13 3 0 0 0 26 NNE 0 0 1 2 9 10 1 2 0 0 0 25 NE 0 0 0 3 10 5 3 0 0 0 0 21 ENE 0 0 1 1 6 7 5 1 0 0 0 21 E 0 0 0 1 4 4 1 0 0 0 0 10 ESE 0 0 0 1 7 4 7 0 0 0 0 19 SE 0 0 1 1 36 15 8 0 0 0 0 61 SSE 0 0 0 3 24 16 5 3 1 0 0 52 S 0 0 1 1 17 18 11 7 10 2 0 67 SSW 0 0 0 4 19 18 13 2 3 2 0 61 SW 0 0 0 2 9 12 9 4 0 0 0 36 WSW 0 0 0 1 9 10 3 1 0 0 0 24 W 0 0 0 4 9 7 4 3 1 0 1 29 WNW 0 0 0 6 16 10 5 5 3 0 0 45 NW 0 0 1 2 12 13 5 2 2 0 0 37 NNW 0 0 0 1 10 16 10 6 2 0 0 45 Tot 0 0 5 33 201 171 103 39 22 4 1 579 Hours of Calm 0 Hours of Variable Direction .. 0 Hours of Valid Data 579 Hours of Missing Data .. 3 Hours in Period .. 8760 20

Joint Frequency Distribution January- December, 2013 Class D Neutral based on lapse rate Elevations: Winds 10m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 5 7 17 37 78 64 24 13 0 0 245 NNE 0 2 6 19 49 32 30 11 1 0 0 150 NE 0 0 6 15 28 44 10 8 6 0 0 117 ENE 0 3 8 17 48 50 14 10 2 0 0 152 E 0 0 9 10 41 29 18 12 2 0 0 121 ESE 0 0 15 19 57 34 28 7 0 0 0 160 SE 0 1 14 33 114 73 22 1 0 0 0 258 SSE 0 4 10 29 89 52 28 12 4 0 0 228 S 0 1 10 17 45 51 42 39 52 4 0 261 SSW 0 0 2 16 29 47 31 14 8 1 0 148 SW 0 3 4 21 47 42 19 9 8 2 0 155 WSW 0 4 3 12 42 24 21 8 5 2 0 121 W 0 0 9 25 45 33 46 32 13 1 1 205 WNW 0 2 11 29 71 70 56 27 23 0 0 289 NW 0 6 7 20 86 86 52 25 7 0 0 289 NNW 0 0 4 10 74 130 74 42 11 0 0 345 Tot 0 31 125 309 902 875 555 281 155 10 1 3244 Hours of Calm 1 Hours of Variable Direction .. 0 Hours of Valid Data 3245 Hours of Missing Data .. 3 Hours in Period .. 8760 21

Joint Frequency Distribution January- December, 2013 Class E Slightly Stable based on lapse rate Elevations: Winds 10m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 6 8 27 50 23 2 0 0 0 0 116 NNE 0 3 16 9 30 3 2 0 0 0 0 63 NE 0 2 8 8 21 2 0 0 0 0 0 41 ENE 0 4 7 18 22 4 0 0 0 0 0 55 E 0 5 11 24 32 10 2 0 0 0 0 84 ESE 0 5 18 18 42 27 5 1 0 0 0 116 SE 0 9 53 90 118 28 5 1 0 0 0 304 SSE 0 10 18 51 171 88 44 13 3 0 0 398 S 0 4 13 20 74 111 72 47 22 0 0 363 SSW 0 0 8 15 53 63 32 12 3 0 0 186 SW 0 6 16 16 54 40 15 3 1 0 0 151 WSW 0 6 23 14 39 27 7 1 3 1 0 121 W 0 11 20 17 49 25 7 4 1 0 0 134 WNW 0 15 22 23 37 12 6 1 0 0 0 116 NW 0 5 17 24 44 20 9 2 1 0 0 122 NNW 0 3 10 28 65 27 5 0 0 0 0 138 Tot 0 94 268 402 901 510 213 85 34 1 0 2508 Hours of Calm 7 Hours of Variable Direction .. 0 Hours of Valid Data 2515 Hours of Missing Data .. 3 Hours in Period .. 8760 22

Joint Frequency Distribution January- December, 2013 Class F Moderately Stable based on lapse rate Elevations: Winds 10m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 7 12 12 11 0 0 0 0 0 0 42 NNE 0 6 15 8 8 1 0 0 0 0 0 38 NE 0 7 26 6 6 0 0 0 0 0 0 45 ENE 0 6 17 18 5 0 0 0 0 0 0 46 E 0 11 9 6 2 0 0 0 0 0 0 28 ESE 0 13 15 11 6 0 0 0 0 0 0 45 SE 0 22 55 31 13 0 0 0 0 0 0 121 SSE 0 9 26 58 142 32 1 0 0 0 0 268 S 0 11 7 21 67 22 2 0 0 0 0 130 SSW 0 0 9 20 42 25 3 0 0 0 0 99 SW 0 7 16 15 32 7 0 0 0 0 0 77 WSW 0 5 14 14 4 1 0 0 0 0 0 38 W 0 15 8 11 10 0 0 0 0 0 0 44 WNW 0 13 22 21 8 0 0 0 0 0 0 64 NW 0 9 16 20 9 0 0 0 0 0 0 54 NNW 0 2 9 11 31 3 0 0 0 0 0 56 Tot 0 143 276 283 396 91 6 0 0 0 0 1195 Hours of Calm 12 Hours of Variable Direction .. 0 Hours of Valid Data 1207 Hours of Missing Data .. 3 Hours in Period .. 8760 23

Joint Frequency Distribution January- December, 2013 Class G Extremely Stable based on lapse rate Elevations: Winds 10m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 11 9 8 4 0 0 0 0 0 0 32 NNE 0 13 15 6 2 0 0 0 0 0 0 36 NE 0 4 17 4 0 0 0 0 0 0 0 25 ENE 0 7 3 2 0 0 0 0 0 0 0 12 E 0 4 4 0 0 1 0 0 0 0 0 9 ESE 0 4 2 1 0 0 0 0 0 0 0 7 SE 0 16 12 4 1 0 0 0 0 0 0 33 SSE 0 23 31 23 38 7 0 0 0 0 0 122 S 0 18 20 11 4 0 0 0 0 0 0 53 SSW 0 3 5 3 5 2 0 0 0 0 0 18 SW 0 6 1 3 1 0 0 0 0 0 0 11 WSW 0 5 4 0 0 0 0 0 0 0 0 9 W 0 3 0 1 1 0 0 0 0 0 0 5 WNW 0 9 10 3 1 0 0 0 0 0 0 23 NW 0 7 5 6 4 0 0 0 0 0 0 22 NNW 0 10 9 6 1 0 0 0 0 0 0 26 Tot 0 143 147 81 62 10 0 0 0 0 0 443 Hours of Calm 28 Hours of Variable Direction .. 0 Hours of Valid Data 471 Hours of Missing Data .. 3 Hours in Period .. 8760 24

Joint Frequency Distribution January- December, 2013 All Stabilities Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 6 7 18 43 86 105 128 70 10 2 475 NNE 0 2 9 12 51 73 85 65 37 1 0 335 NE 0 0 6 11 55 62 65 44 25 10 0 278 ENE 0 0 8 21 50 53 108 69 26 2 0 337 E 0 1 10 18 41 66 89 60 25 4 0 314 ESE 0 3 13 20 45 80 110 75 25 1 0 372 SE 0 4 22 64 302 242 146 49 3 0 0 832 SSE 0 0 11 28 117 194 199 169 117 11 0 846 S 0 1 8 19 77 110 155 226 256 101 22 975 SSW 0 2 6 12 44 96 121 175 208 42 4 710 SW 0 1 6 6 44 80 112 111 192 31 11 594 WSW 0 1 3 13 37 72 53 87 82 16 12 376 W 0 2 7 9 48 60 91 82 125 48 16 488 WNW 0 1 2 5 74 57 107 133 181 58 30 648 NW 0 6 6 7 64 60 117 170 145 48 7 630 NNW 0 1 4 7 39 70 137 148 118 17 4 545 Tot 0 31 128 270 1131 1461 1800 1791 1635 400 108 8755 Hours of Calm 2 Hours of Variable Direction .. 0 Hours of Valid Data 8757 Hours of Missing Data .. 3 Hours in Period .. 8760 25

Joint Frequency Distribution January- December, 2013 Class A Extremely Unstable based on lapse rate Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 0 0 0 0 1 1 0 0 0 0 2 NNE 0 0 0 0 0 1 2 0 0 0 0 3 NE 0 0 0 0 0 2 4 0 0 0 0 6 ENE 0 0 0 1 1 0 2 0 0 0 0 4 E 0 0 0 0 0 3 0 1 0 0 0 4 ESE 0 0 0 0 0 0 1 1 0 0 0 2 SE 0 0 0 0 6 12 14 3 0 0 0 35 SSE 0 0 0 0 6 11 14 6 1 0 0 38 S 0 0 0 0 1 9 4 7 2 1 2 26 SSW 0 0 0 0 0 7 5 6 5 4 0 27 SW 0 0 0 0 0 3 11 7 11 2 0 34 WSW 0 0 0 0 0 2 3 15 8 2 1 31 W 0 0 0 0 0 1 7 10 7 6 6 37 WNW 0 0 0 0 0 2 3 3 20 7 0 35 NW 0 0 0 0 0 1 9 14 10 4 0 38 NNW 0 0 0 0 0 0 4 4 0 1 0 9 Tot 0 0 0 1 14 55 84 77 64 27 9 331 Hours of Calm 0 Hours of Variable Direction .. 0 Hours of Valid Data 331 Hours of Missing Data .. 3 Hours in Period .. 8760 26

Joint Frequency Distribution January- December, 2013 Class B Moderately Unstable based on lapse rate Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 0 0 0 2 5 3 0 0 0 0 10 NNE 0 0 0 0 1 4 3 0 3 0 0 11 NE 0 0 0 0 1 8 2 1 0 0 0 12 ENE 0 0 0 0 1 3 5 4 1 0 0 14 E 0 0 0 0 0 5 2 2 0 0 0 9 ESE 0 0 0 0 0 2 2 1 0 0 0 5 SE 0 0 0 1 14 8 15 2 0 0 0 40 SSE 0 0 0 0 10 11 7 4 4 0 0 36 S 0 0 0 1 7 8 7 6 8 1 3 41 SSW 0 0 0 0 1 9 9 10 7 1 0 37 SW 0 0 0 0 1 5 15 5 2 5 0 33 WSW 0 0 0 0 1 1 4 7 3 5 0 21 W 0 0 0 0 0 6 4 5 6 1 1 23 WNW 0 0 0 0 3 6 9 8 8 3 2 39 NW 0 0 0 0 2 3 14 12 6 8 0 45 NNW 0 0 0 0 2 4 13 8 3 3 0 33 Tot 0 0 0 2 46 88 114 75 51 27 6 409 Hours of Calm 0 Hours of Variable Direction .. 0 Hours of Valid Data 409 Hours of Missing Data .. 3 Hours in Period .. 8760 27

Joint Frequency Distribution January- December, 2013 Class C Slightly Unstable based on lapse rate Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 0 0 1 0 4 6 11 2 0 0 24 NNE 0 0 1 0 6 7 8 1 3 0 0 26 NE 0 0 0 2 8 7 4 1 0 0 0 22 ENE 0 0 1 0 6 4 8 2 2 0 0 23 E 0 0 0 0 4 4 0 1 0 0 0 9 ESE 0 0 0 1 3 3 2 3 2 0 0 14 SE 0 0 0 0 18 24 11 5 0 0 0 58 SSE 0 0 1 1 15 19 9 5 3 1 0 54 S 0 0 0 2 8 20 11 8 11 7 2 69 SSW 0 0 1 1 8 18 11 11 4 1 2 57 SW 0 0 0 0 1 9 6 9 10 1 0 36 WSW 0 0 0 1 3 7 3 5 7 0 0 26 W 0 0 0 0 10 7 5 7 5 1 1 36 WNW 0 0 0 1 14 5 6 9 5 7 3 50 NW 0 0 0 0 4 7 10 9 6 1 1 38 NNW 0 0 0 1 3 6 11 7 7 2 0 37 Tot 0 0 4 11 111 151 111 94 67 21 9 579 Hours of Calm 0 Hours of Variable Direction .. 0 Hours of Valid Data 579 Hours of Missing Data .. 3 Hours in Period .. 8760 28

Joint Frequency Distribution January- December, 2013 Class D Neutral based on lapse rate Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 3 5 10 19 32 61 57 43 10 2 242 NNE 0 1 4 8 33 29 31 22 24 1 0 153 NE 0 0 4 6 21 25 25 17 15 10 0 123 ENE 0 0 4 13 32 28 37 22 14 2 0 152 E 0 0 6 11 22 25 26 12 18 4 0 124 ESE 0 1 6 12 26 39 32 22 11 1 0 150 SE 0 0 5 14 79 76 54 21 1 0 0 250 SSE 0 0 7 14 41 51 36 27 25 4 0 205 S 0 0 5 8 35 27 39 43 60 39 14 270 SSW 0 0 3 4 21 17 36 29 31 11 2 154 SW 0 0 2 3 20 26 40 25 33 6 10 165 WSW 0 0 1 5 11 23 16 23 35 7 7 128 W 0 0 4 1 21 21 28 17 56 32 7 187 WNW 0 1 2 1 34 26 49 52 95 36 24 320 NW 0 3 3 1 33 29 62 71 80 33 5 320 NNW 0 1 2 3 19 38 69 84 72 10 4 302 Tot 0 10 63 114 467 512 641 544 613 206 75 3245 Hours of Calm 0 Hours of Variable Direction .. 0 Hours of Valid Data 3245 Hours of Missing Data .. 3 Hours in Period .. 8760 29

Joint Frequency Distribution January- December, 2013 Class E Slightly Stable based on lapse rate Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 2 1 4 14 28 25 43 15 0 0 132 NNE 0 0 2 1 9 17 27 25 4 0 0 85 NE 0 0 2 3 9 10 15 8 2 0 0 49 ENE 0 0 1 3 5 9 22 6 1 0 0 47 E 0 1 3 4 5 19 32 16 6 0 0 86 ESE 0 1 1 1 8 23 44 33 11 0 0 122 SE 0 3 5 27 120 98 42 12 2 0 0 309 SSE 0 0 2 4 21 67 82 86 56 5 0 323 S 0 1 3 5 10 17 38 80 139 52 1 346 SSW 0 1 1 4 8 19 23 42 106 24 0 228 SW 0 0 0 1 9 23 20 36 73 10 1 173 WSW 0 0 2 2 12 20 20 26 21 2 4 109 W 0 1 2 4 8 15 30 33 44 8 1 146 WNW 0 0 0 2 11 11 24 42 32 5 1 128 NW 0 2 1 6 16 12 16 45 32 2 1 133 NNW 0 0 0 2 6 16 30 29 15 0 0 98 Tot 0 12 26 73 271 404 490 562 559 108 9 2514 Hours of Calm 1 Hours of Variable Direction .. 0 Hours of Valid Data 2515 Hours of Missing Data .. 3 Hours in Period .. 8760 30

Joint Frequency Distribution January- December, 2013 Class F Moderately Stable based on lapse rate Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 1 0 1 7 11 8 14 7 0 0 49 NNE 0 1 1 0 1 13 7 13 2 0 0 38 NE 0 0 0 0 10 7 7 7 2 0 0 33 ENE 0 0 2 2 3 8 22 21 8 0 0 66 E 0 0 1 0 3 7 16 21 1 0 0 49 ESE 0 0 2 2 5 7 20 14 1 0 0 51 SE 0 0 5 14 59 19 10 2 0 0 0 109 SSE 0 0 0 4 15 27 44 37 24 0 0 151 S 0 0 0 2 11 16 40 63 28 1 0 161 SSW 0 0 1 2 3 12 21 58 50 1 0 148 SW 0 1 2 1 6 11 10 20 59 5 0 115 WSW 0 1 0 1 5 13 5 11 8 0 0 44 W 0 0 1 0 3 8 8 9 6 0 0 35 WNW 0 0 0 1 9 7 10 16 21 0 0 64 NW 0 0 1 0 5 8 4 15 8 0 0 41 NNW 0 0 1 1 8 6 8 14 14 1 0 53 Tot 0 4 17 31 153 180 240 335 239 8 0 1207 Hours of Calm 0 Hours of Variable Direction .. 0 Hours of Valid Data 1207 Hours of Missing Data .. 3 Hours in Period .. 8760 31

Joint Frequency Distribution January- December, 2013 Class G Extremely Stable based on lapse rate Elevations: Winds 60m Stability 60m Wind Speed Range (m/s)

Callaway Energy Center 2013 Annual Radioactive Effluent Release Report Wind <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 Direction Sector N 0 0 1 2 1 5 1 3 3 0 0 16 NNE 0 0 1 3 1 2 7 4 1 0 0 19 NE 0 0 0 0 6 3 8 10 6 0 0 33 ENE 0 0 0 2 2 1 12 14 0 0 0 31 E 0 0 0 3 7 3 13 7 0 0 0 33 ESE 0 1 4 4 3 6 9 1 0 0 0 28 SE 0 1 7 8 6 5 0 4 0 0 0 31 SSE 0 0 1 5 9 8 7 4 4 1 0 39 S 0 0 0 1 5 13 16 19 8 0 0 62 SSW 0 1 0 1 3 14 16 19 5 0 0 59 SW 0 0 2 1 7 3 10 9 4 2 0 38 WSW 0 0 0 4 5 6 2 0 0 0 0 17 W 0 1 0 4 6 2 9 1 1 0 0 24 WNW 0 0 0 0 3 0 6 3 0 0 0 12 NW 0 1 1 0 4 0 2 4 3 0 0 15 NNW 0 0 1 0 1 0 2 2 7 0 0 13 Tot 0 5 18 38 69 71 120 104 42 3 0 470 Hours of Calm 1 Hours of Variable Direction .. 0 Hours of Valid Data 471 Hours of Missing Data .. 3 Hours in Period .. 8760 32

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