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Transmittal of 2015 Annual Radioactive Effluent Release Report
	ML16125A208
Person / Time
Site:	Kewaunee
Issue date:	04/18/2016
From:	Yuen S J; Dominion Energy Kewaunee
To:	; Document Control Desk, Office of Nuclear Reactor Regulation
References
	16-150
	Download: ML16125A208 (55)
	v • d • e

Dominion Energy Kewaunee, Inc. N490 Hwy 42, Kewaunee, WI 54216 ATTN: Document Control Desk APR 1 8 2016 U. S. Nuclear Regulatory Commission Washington, DC 20555-0001 DOMINION ENERGY KEWAUNEE, INC. KEWAUNEE POWER STATION

' ,/ . . ' ri., Dom1n1on Serial No.16-150 LIC/RR/RO Docket No.: 50-305 License No.: DPR-43 2015 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT Enclosed is the Kewaunee Power Station (KPS) 2015 Annual Radioactive Effluent Release Report for January through December 2015. This report is submitted to meet the requirements of KPS Technical Specification 5.6.2 and 10 CFR 50.36a(a)(2).

If you have questions or require additional information, please feel free to contact Mr. Richard Repshas at 920-388-8217.

Sincerely, Stewart J. Yuen Plant Manager, Kewaunee Power Station Commitments made by this letter: NONE cc: Regional Administrator, Region Ill U. S. Nuclear Regulatory Commission 2443 Warrenville Road Suite 210 Lisle, IL 60532-4352 Mr. Ted H. Carter NRC Senior Project Manager U.S. Nuclear Regulatory Commission Two White Flint North, Mail Stop T-8F5 11555 Rockville Pike Rockville, MD 20852-2738 Mr. Bob Busch Wisconsin Department of Health Services Radiation Protection Section 1 West Wilson St. Room B157 P.O. Box 2659 Madison, WI 53701-2659 Ms. Deborah Russo American Nuclear Insurers 95 Glastonbury Blvd. Glastonbury, CT 06033 Serial No.16-150 Page 2 of 2 be with enclosure:

Records Management Records Management be without enclosure:

Licensing File Ms. L. F. Barnett Ms. R. Klearman Mr. B. A. Garber Mr. T. G. Cleary Mr .. S. J. Yuen Mr. J. D. Helbing Mr. B. J. McMahon Mr. 13. G. Presl Mr. C. D. Sly Mr. C. Funderburk Ms. L. M. Cuoco Mr. J. R. Harrell Mr. T. A. Brookmire Mr. J. R. Roth Mr. T. R. Huber Mr. J. M. Hale Mr. B. R. Steckler Mr. D. M. Holschbach CONCURRENCE J. Gadzala J.M. Hale VERIFICATION OF ACCURACY Serial No.16-150 2015 Radiological Effluent Release Report be: Page 1 of 1 KPS INGW IN/2SE, Corp .. Licensing OJRP/20 NAPS, Manager Licensing SPS, Manager Licensing MPS, Manager Licensing KPS, Plant Manager KPS, Manager Maintenance KPS, Manager Nuclear Operations KPS, Manager Nuclear Protection Services IN/2SE, Licensing IN/2NW, Director Nuclear Oversight Tredegar RS-2, Counsel of Record IN/3SW IN/3SW IN/2SE IN/2SE KPS, Manager Radiation Protection and Chemistry KPS, Health Physicist KPS, Chemist RP-KW-HSP-HPE-280, Attachment E, Annual Radioactive Effluent Release Report Preparation Traveler ACTION PLAN None CHANGES TO THE USAR, QA TOPICAL REPORT, OR ISFSI FSAR None

1. 2. 3. *. DOMINION RP-KW-HSP-HPE-280 Revision 0 Page 14of15 Kewaunee Power Station . . . ATTACHMENT E Annual Radioactive Effluent Release Report Preparation Traveler (Page 1 of 1) Year of Report: .ZO\S Current ODCM Revision: 1. Current REMM Revision:

26 Revision Date:

Revision Date: ! ol.3! l 2-013 IF Revision Date is prior to the Year of Report, 2. IF Revision Date is prior to the Year of Report, THEN SKIP #3 and GO TO next box. THEN SKIP #3 and GO TO next box. REVIEW appropriate procedure database to 3. REVIEW appropriate procedure database to determine any revisions to the ODCM that occurred determine any revisions to the ODCM that occurred in the Year of the Report. LIST all revision in the Year of the Report. LIST all revision numbers below: numbers below: \ . ' \. J . "'\ ,,_ ""' . . '\ ' All radiological releases have been verified, entered, and any long-lead sample results have been returned/completed and entered. Confirmed by: I ?,/8/ttc 'EQ,t J Date Print/Sign The following list of corrective actions were identified for inclusion in this annual report: CA# Description of where included in report or how resolved R 13 $'.v ]to\,\/ .h tc. h -i-ev Report Completed by: Bl)SLlC Date INFORMATION USE 2015 Annual Radioactive Effluent Release Report Kewaunee Power Station Dotninion Energy Kewaunee, Inc.

DOCKET 50-305 KEWAUNEE POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT January 1 -December 31, 2015

'* ,i This page intentionally left blank Table of Contents Section Description 0.0 Summary ............................................................................................................

3 1.0 Introduction

........................................................................................................

3 I.I Effluent Dose Limits.; ........................................................................................

3 2.0 Gaseous Effluents

..............................................................................................

5 2.1 Lower Limits of Detection (LLD) for Gaseous Effluents

..................................

5 2.2 Gaseous Batch Release Statistics

.......................................................................

7 2.3 Gaseous Effluent Data .......................................................................................

7 Table 2.1 Gaseous Effluents

-Summation of all Releases ................................

8 Table 2.2 Gaseous Effluent -Continuous Mode .............................................

9 Table 2.3 Gaseous Release -Batch Mode .......................................................

10 Table 2.4 Dose from Gaseous Effluents

..........................................................

11 2.4 Estimation of Carbon-14 in Gaseous Releases .....................................

13 3.0 Liquid Effluents

...............................................................................................

14 3.1 Lower Limits of Detection (LLD) for Liquid Effluents

...................................

14 3.2 Liquid Batch Release Statistics

...................... .................................................

16 3.3 Liquid Effluent Data .............................. .........................................................

16 Table 3 .1 Liquid Effluents

-Summation of all Releases .................................

17 Table 3.2 Liquid Effluents

-Batch Mode ........................................................

18 Table 3 .3 Liquid Effluents

-Continuous Mode ...............................................

19 Table 3.4 Dose from Liquid Effluents

.............................................................

20 3.4 Ground Water Monitoring

..............................................................................

22 4.0 Meteorological Data ...... ' ..................................................................................

24 5.0 Solid Waste Disposal .......................................................................................

24 Table 5.1 Solid Waste and Irradiated Fuel Shipments

.....................................

25 6.0 Supplemental Information

... : ...........................................................................

28 Appendix A Meteorological Data Page 2 of29 This page intentionally left. blank O.O

SUMMARY

On October 22, 2012, Dominion made known the decision to permanently shut down the Kewaunee Power Station (KPS). On February 25, 2013, Dominion Energy Kewaunee (DEK) submitted a certification of permanent cessation of power operations pursuant to 10 CFR 50.82(a)(l)(i), stating that DEK has decided to permanently cease power operation of KPS on May 7, 2013. On May 15, 2013 the NRC docketed the certification for permanent removal of fuel from the reactor vessel pursuant to 10 CFR 50.82(a)(l)(ii).

Therefore the 10 CFR Part 50 license no longer* authorizes KPS to operate the reactor or emplace or retain fuel in the reactor vessel, as specified in 10 CFR 50.82(a)(2).

During 2015 all solid, liquid, and gaseous radioactive effluents from the Kewaunee Power Station were well below regulatory limits. For individual effluent streams, the quarterly limit most closely approached was: GASEOUS: LIQUID: SOLID:

1.0 INTRODUCTION

Ingestion Pathw;:iy-Organ Quarterly Limit (mRem) Actual Dose (mRem) % of Specification Ingestion Pathway-Organ Quarterly Limit (mRem) Actual Dose (rrtRem) % of Limit Total Body 7.5 l.30E-04 (4th Quarter) 1.73E-03 Bone 5.0 3.52E-03 (4th Quarter) 7.03E-02 No upper limit for solid radioactive waste applies. Cubic Meters Shipped O.OOE+OO m 3 (0.00+00 ft 3) This report is being submitted in accordance with the requirements of Kewaunee Technical Specifications, Section 5.6.2 and the Offsite Dose Calculation Manual, Section 15.2. It includes data from all effluent releases made from January 1 -December 31, 2015. The report contains summaries of the gaseous and liquid releases made to the environment including the quantity, characterization, time duration and calculated radiation dose at the site boundary resulting from these releases.

The report also includes a summation of solid radioactive waste disposal, revisions to the Process Control Program and the Offsite Dose Calculation Manual, major changes to the radioactive liquid and gaseous waste treatment systems, and addresses the cumulative meteorological data. Values indicated as 0 (zero) in this report refer to actual values less than the detection limits. A table of these less than detectable (LLD) values is identified in sections 2.1 and 3 .1. 1.1 Effluent Dose Limits Specifications are set to ensure that offsite doses are maintained as low as reasonably achievable while still allowing for practical and dependable evolutions at the Kewaunee Power Station. Page 3 of29 The Kewaunee Offsite Dose Calculation Manual (ODCM) describes the methodology .and parameters

used in:

1.) The.calculation of radioactive liquid and *gaseous effluent monitoring instrumentation . alarm/trip set points. 2.) The calculation of radioactive liquid 'and gaseous 'concentrati6ns, dose rates and ,cumulative quarterly and annual doses. tqe ODCM methodology is acceptable for use *in demonstrating compliance with 10 CFR 20.i301/l302; 10 CFR 50, Appendix I; and 40CFR190.

Page 4 of29 2.0 GASEOUS EFFLUENTS 2.1 Lower Limits of (LLD) for Effluents Gaseous radioactive effluents are released in both the continuous mode and the batch mode. The auxiliary building stack is sampled for particulates, halogens and Strontium by l'.!-Il line" sample traiU.

This stack is also gq1b-sampled weekly for gaseous gamma emitters and monthly for tritium. Batch releases are sampled prior fo release for principal gaseous and particulate gamma emitters, halogens and tritium.*

The LLD's for gaseous radio-analyses, as listed in Table 13.2J-1 of the Kewaunee ODCM are: Analysis Gaseous Gamma Emitters Iodine 131 Particulate Gamma Emitters Particulate Gross Alpha Strontium 89, 90 Noble Gases, Gross Beta or Gamma Tritium (H-3) LLD (µCi/ml) 1.00E-04 3;00E-12 1.00E:.11 l.OOE-11 l.OOE-'l l The nominal "a priori" LLD values are shown below. Isotope a. Gaseous emissions:

Kr-87 Kr-88 Xe-133 Xe-133m Xe-135 Xe-138 a priori LLD (µCi/ml) . 5.61E-08 1.02E-07 6.68E-08 2.75E-07 2.99E-08 1.13E-07 Page 5 of29

b. Particulate emissions:

Mn-54 Fe-59 Co-58 Co-60 ' Zn-65 Mo-99 Cs-134 Cs-137 Ce-141 Ce-144 . l.l lE-13 2.27E-13 2.28E-13 3.57E-13 1.68E-13.

. 2*.73E-13* . .4.69E-13 l.68E-13 2.08E-13 l.24E-12 c. Other identifiable emitters:

Ar-41 3.97E-10 Kr-85 8:63E-05 Kr-85m 4.62E-08 Kr-89 2.04E-06 Xe,.127 4.20E-08 Xe-13lm 1.S2E-06 . Xe-135m l.90E-08 Xe-137 2.88E-07 1-131 l.32E-13 d. Composite particulate samples: Sr-89 Sr-90 Gross Alpha l.OOE-14 l.OOE-14 l.OOE-14 . '\ *. These "a priori" LLDs represent the capabilities of the counting*systems in use, not an after the fact "a posteriori" limit for a particular measurement.

Page 6 of29 2.2 Gaseous Batch Release Statistics The following is a summation of all gaseous batch releases made during 2015. Number of batch releases ....................................

O Total time for all batch releases (min) ..............

0.0 Maximum time for a batch release (min) ..........

0.0 Average time for a batch release (min) .............

0.0 Minimum time for a batch release (min) ...........

0.0 2.3 Gaseous Effluent Data Table 2.1 presents a quarterly summation of the total activity refeased and average release rates of gaseous effluents.

Table 2.2 lists the quarterly sums of individual gaseous radionuclide released by continuous mode. Table 2.3 lists the quarterly sums of individual gaseous radionuclide released by batch mode. Table 2.4 presents the dose limits for gaseous effluents, and the calculated doses this year from gaseous effluents.

Page 7 of29 Table 2.1 Gaseous Effluents

-Surtnilation

'of all Releases Fission and Activation Gases 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Total Total Activity Released (Ci) Average Release Rate (µCi/sec)

Iodines Total Activity Released (Ci) Average Release Rate (µCi/sec)

Particulates O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Total Activity Released (Ci} O.OOE+OO Average Release Rate (µCi/sec)

O.OOE+OO Tritium Total Activity Released (Ci) Average Release Rate (µCi/sec)

Gross Alpha Released (Ci) Carbon-14 Total Annual Activity Released (Ci) 4.78E+OO 6.07E-01 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 4.12E+OO 5.22E-01 O.OOE+OO 3.85E+OO 4.88E-01 O.OOE+OO Page 8 of29 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE-t;OO O.OOE+OO O.OOE+OO O.OOE+OO 4.90E+OO 6.22E-Ol O.OOE+OO l.77E+Ol 5.60E-01 O.OOE+OO O.OOE+OO Fission Gases Total Iodines Total Particulates Total Gross Alpha Tritium Table2.2*

Gaseous Effluents

-Ground Level.-Nuclides Released (Ci) Continuous Mode . 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Total r O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 0.00E+OO O.OOE+OO O.OOE+OO O.OOE+OO.

O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 4.78E+OO 4.12E+OO 3.85E+OO . 4.90E7-00 . 1.77E+Ol Page 9 of29 Fission Gases Total Iodines Total Particulates Total Tritium Gross Alpha '.fable'2.3 Gaseous Effluents-.;.

Ground Level .. Nuclides Released (Ci) Batch Mode (1) 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Total O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO

O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 1 -There were no gaseous b,atch discharges in 2015. Page 10 of29 Table'2A Dose from Gaseous Effluents The offsite dose limits from radioactive materials in gaseous effluents are specified in Section 13.2.2 and 13.2.3 of the Kewaunee ODCM and can be summarized as follows: Air Dose Air Dose Limit Gamma Beta Organ Quarterly

5.0 mrad 10.0.mrad 7.5 mrem Annual 10.0 mrad 20.0mrad 15.0 mrem The total releases of gaseous effluents during 2015 for each quarter and for the year were within limits. The following offsite doses were calculated using equations 2.8, and 2.11 from the Kewaunee ODCM. Calculated offsite doses versus quarterly and annual limits are shown below: 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr Annual 1. Gamma-Air Dose Specification (mrad) 5.00E+OO 5.00E+OO 5:00E+OO 5.00E+OO LOOE+Ol Actual Dose (mrad) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO % of Specification O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 2. Beta-Air Dose Specification (mrad) 1.00E+Ol 1.00E+Ol 1.00E+Ol 1.00E+Ol 2.00E+Ol Actual Dose (mrad) O.OOE+OO O.QOE+OO O.OOE+OO O.OOE+OO O.OOE+OO % of Specification O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 3. Organ Dose Specification (mrem) 7.50E+OO 7.50E+OO 7.50E+OO 7.50E+OO l.50E+Ol Total Body Actual Dose (mrem) l.27E-04 1.09E-04 l.02E-04 1.30E-04 4.67E-04 % of Specification l.69E-03 1.45E-03 1.36E-03 l.73E-03 3.llE-03 Bone _Actual Dose (mrem) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO % of Specification O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Page 11 of 29 Table 2.4 (continued)

Dose from Gaseous Effluents 1st Qtr* *2nd-Qtr 3rd Qtr 4th Qtr Annual . Liver Actual Dose (mrem) l.27E-04 l.09E-04 l.02E-04 l.30E-04 4.67E-04 % of Specification l.69E-03 l.45E-03 l.36E-03 l.73E-03 3.llE-03 Thyroid Actual Dose (mrem) l.27E-04 1.09E-04 l.02E-04 l.30E-04

% of Specification l.69E-03 l.45E-03 l.36E-03 l.73E-03 3.l lE-03 Kidney -Actual Dose(mrem) l.27E-04 -l.09E-04 l.02E-04.

1.30E-04 4.67E-04 % of Specification l.69E-03 . l.45E-03 l.36E-03 . l.73E-03 3.llE-03 Lung Actual Dose (mrem) l.27E-04 l.09E-04 l.02E-04 l.30E-04 4.67E-04 % of Specification l.69E-03 1.45E-03 l.36E-03 l.73E-03 3.l lE-03 GI-LLI Actual Dose (mrem) l.27E-04 l.09E-04 l.02E-04 l.30E-04 4.67E-04 % of Spedfication l.69E-03 l.45E-03 l.36E-03 l.73E.,Q3 3.llE-03 Page *12 of 29 2.4 Estimation of Carbon-14 in Gaseous Releases Due to permanent plant shutdown on'May 7, 2013,:there were no releases of Carbon-14 from the site. / Page 13 of29 3.0 LIQIDD EFFLUENTS . 3.1 Lower Limits of Detection (LLD) for Liquid Effluents . Liquid radioactive effluents are released as both batch releases and continuous*

releases .. Each batch is sampled prior to release and analyzed for gamma emitters and tritium. A fraction of each sample is retained for a monthly proportional composite which is then analyzed for Gross Alpha, Strontium 89, Strontium 90, Iron 55 and Nickel 63. The LLD's for liquid batch release radio-analyses, as listed in Table 13.1.1-1 of the Kewaunee ODCM are: Analysis Principal Gamma Emitters Iodine 131 Tritium (H-3) Gross Alpha Strontium 89, 90 Iron 55 LLD (µCi/ml) 1.00 E-06 1.00 E-06 1.00 E-05 5.00 E-07 5.00 E-08 1.00 E-'06 The actual obtained "a priori" LLD values for batch releases are shown below. Isotope 1st Quarter, 2nd Quarter 3rd Quarter 4th Quarter Mn-54 9.74E-08 l.31E-07 9.63E-08 9.63E-08 Fe-59 3.89E-08 3.89E-08 3.82E-08 3.82E-08 Co-58 l.28E-07 l.28E-07 l.51E-07 9.45E-08 Co-60 l.32E-07 2.33E-08 l.29E-07 2.28E-08 Zn-65 2.48E-07 2.48E-07 2.44E-07 3.27E-07 Mo-99 6.83E-07 6.83E-07 l.20E-07 6.78E-07 Cs-134 l.93E-08 l.09E-07 9.98E-08 9.98E-08 ,; Cs-137 l.64E-.08 l.64E-08 l.24E-07 9.24E-08 Ce-141 l.12E-07 l.12E-07 l.20E-07 5.lOE-08 Ce-144 5.33E-07 3.63E-07 5.36E-07 4.59E-07 1-131 1.0lE-08 l.25E-07 l.04E-07 5.69E-08 H-3 3.39E-06 2.65E-06 3.36E-06 3.08E-06 Sr-89 NA NA 3.96E-08 9.26E-09 Sr-90 NA NA 6.89E-09 5.57E-09 Gross Alpha NA NA 4.82E-09 6.28E-09 Fe-55 NA NA 7.21E-07 6.85E-07 Ni-63 NA NA 9.62E-08 9.47E-08 Page 14 of29 Average a priori LLD (µCi/ml) l.OSE-07 3.86E-08 l.25E-07 7.68E-08 2.67E-07 5.41E-07 8.20E-08 6.23E-08 9.88E-08 4.73E-07 7.40E-08 3.12E-06 2.44E-08 6.23E-09 5.55E-09 7.03E-07 9.55E-08 Continuous liquid releases are grab-sampled weekly and analyzed for principal gamma emitters.

A fraction of each weekly sample is retained for a monthly proportional composite which is then analyzed for Gross Alpha, Strontium 89, Strontium 90, Iron.§55iand Nickel 63. The LLD's for liquid continuous release radioanalyses, as listed in Table 13 .1.1-1 of the Kewaunee ODCMare: Analysis Principal Gamma Emitters

Iodine 131 Tritium (H-3) Gross Alpha Strontium 89, 90 Iron 55 LLD (µCi/ml) 5.00 E-.07 1.00 E-06 1.00 E-05 5.00 E-07 5.00 E:-08 1.00 E-06 The actual obtained "a priori" LLD values for continuous releases are shown below. Isotope 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Average a priori LLD (µCi/ml) Mn-54 l.44E-08 l.02E-08 8.98E-09 9.76E-09 l.08E-08 Fe-59 . 2.64E-08 9.79E-09 2.0lE-08 2.49E-08 2.03E-08 Co-58 l.12E-08 7.50E-10 l.09E-08 l.21E-08 8.74E-09 Co-60 2.17E-08 1.05E-08 6.58E-09 l.06E-08 l.23E-08 Zn-65 2.98E-08 2.60E-d8 , 2.04E-08 2.26E-08 2.47E-08 ; Mo-99 1.33E-07 8.lOE-08 6.93E-08 7.42E-08 8.94E-08 Cs-134 1.42E-08 8.89E-08 1.13E-08 9.18E-09 3.09E-08 Cs-137 1.47E-08 1.lOE-08 l.30E-08 l.14E-08 l.25E-08 Ce-141 1.83E-08 l.59E-08 l.62E-08 l.92E-08 1.74E:-08 Ce-144 8.68E-08 7.68E-08 6.74E-08 7.34E-08 7.61E-08 I-131 l.52E-08 8.44E-08 8.69E-09 9.58E-09 2.95E-08 H-3 3.39E-06 2.65E-06 3.36E-06 . 3.08E-06 3.12E-06 Sr-89 9.72E-09 7.77E-09 4.39E-08 9.83E-09 l.78E-08 Sr-90 6.20E-09 5.87E-09 7.90E-09 6.20E-09 6.54E-09 Gross Alpha 5.13E-09 4.99E-09 4.62E-09 7.93E-09 5.67E-09 Fe-55 6.68E-07 7.40E-07 7.08E-07 6.57E-07 6.93E-07 Ni-63 l.04E-07 8.96E.:07 l.06E-07 l.02E-07 3.02E-07 Page 15 of29 3.2 Liquid Batch Release Statistics The following is a summation of all liquid batch releases during 2015. Number of batch releases .........................................

2 Total time for all batch releases (min) ..............

.4,370 Maximum time for a batch release (min) ...........

2,370 Minimum time for a batch release (min) ............

2,000 Average time for a batch release (min) ...............

2, 180 3.3 Liquid Effluent Data The following Table 3.1 presents a quarterly summation of the total activity released and average concentration for all liquid effluents.

It also presents the gross alpha activity released, volume of waste released and volume of dilution water used. Table 3.2 contains the quantity of the individual isotopes released to the unrestricted area for batch releases.

Table 3.3 contains the quantity of the individual isotopes released to the unrestricted area for continuous releases.

Table 3.4 presents the doses from liquid effluents for each quarter and the calculated doses this year from liquid effluents.

Page 16 of29 Table3.1 Liquid Effluents Summation, of all.Releases 1st Qtr 2ndQtr 3rd Qtr 4th Qtr Total Fission and Activation Products Total Release (Ci) O.OOE+OO O.OOE+OO 5.78E-04 l.15E-03 1.73E-03 Average Concentration

(µCi/ml) : *

O.OOE+OO O.OOE+OO 1.34E-09 2.67E-09 1.05E-09 Tritium Total Release (Ci) O.OOE+OO O.OOE+OO 2.98E+oo*

l.80E+OO.

4.78E+OO.

Average Concentration

(µCi/ml)

O.OOE+OO 0.00E+OO 6.91E-06 4.18E-06 2.89E-06 % of Tech. Spec. Limit(3.0E-3

µCi/ml) O.OOE+OO O.OOE+OO 2.30E-01 1.39E-01 9.63E-02

Dissolved and Entrained Gases

Total Release (Ci) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Average Concentration

(µCi/ml) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO %ofTech. Spec. Limit(2.0E-4

µCi/ml) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO , Gross Alpha Activity Total Release (Ci) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Volume of Waste Released Total (liters) 2.53E+06 2.20E+06 3.91E+06 2.39E+06 1.1 OE+07 Volume of Dilution Water Total (liters) 4.00E+08 3.99E+08 4.31E+08 4.31E+08 l.65E+09 Page 17 of29

Table3.2 Liquid Effluents,....

Nuclides Released (Ci) .. Batch Mode

1st Qtr* 2nd Qtr* 3rd Qtr Fission and Activation Products Fe-55 NA NA 2.53E-04 NA NA 2.91E-04 Ni-63 NA NA 3.39E-05 Total Release NA NA 5.78E-04 Dissolved and Entrained Gases Total Release NA **NA O.OOE+OO Tritium 4th Qtr Total 8.66E-04*

l.12E-03 2.12E-04 5.03E-04 7.llE-05 l.05E-04 l.15E-03 l.73E-03 O.OOE+OO O.OOE+OO Total Release NA NA 2.98E+OO.

l.80E+OO 4.78E+OO Gross Alpha Activity Total Release NA NA O.OOE+OO O.OOE+OO O.OOE+OO *There were no batch releases in the 1st or 2nd quarter. Page 18of29 .

Table3.3 Liquid Released (Ci) Continuous Mode . ,fat Qtr

2ndQtr Fission and Activation Products.

Total Release . O.OOE+OO O.OOE+OO O.OOE+OO Dissolved and.Entrained Gases . Total Release O.OOE+OO O.OOE+OO O.OOE+OO Tritium Total Release O.OOE+OO O.OOE+OO O.OOE+OO Gross* Alpha Activity Total Release 0.00E+OO 0.00E+OO O.OOE+OO Page 19 of 2.9 ' 4th Qtr Total O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 0.00E+OO O.OOE+OO

- 'Table 3.4 . . Dose from Liquid Effluents The dose to a member of the public from total liquid radioactive releases for each quarter was below the Kewaunee ODCM limits of 1.5 mrem to the total body and less than or equal to 5 mrem to any organ. Additionally, the dose to a member of the public from total liquid radioactive releases for the year was below the Kewaunee ODCM limits of 3 mrem to the total body and ler;;s than or equal to 10 mrem to any organ. Instantaneous release concentrations are limited by the individual radionuclide concentrations established in 10 CPR 20, Appendix B, for unrestricted areas. During the report period, none of the isotopes released exceed the concentrations specified in Appendix B. The following offsite doses were calculated using equation 1. 7 from the Kewaunee ODCM.

1st Qtr 2nd Qtr 3rd Qtr 4th Qtr Annual Total Body Specification (mrem) l.50E+OO l.50E+OO l.50E+OO l.50E+OO 3.00E+OO Actual Dose (mrem) O.OOE+OO O.OOE+OO l.27E-03 l. l lE-03 2.83E-03 % of Specification O.OOE+OO O.OOE+OO 8.46E-02 7.39E-02*

9.43E-02 Organs Specification (mrem) 5.00E+OO 5.00E+OO 5.00E+OO 5.00E+OO LOOE+Ol Bone Actual Dose (mrem) O.OOE+OO O.OOE+OO l.29E-03 3.52E-03 4.SOE-03 % of Specification O.OOE+OO O.OOE+OO 2.57E-02 7.03E-02 4.SOE-02 Liver Actual Dose (mrem) O.OOE+OO O.OOE+OO l.31E-03 l.51E-03 2.82E-03 % of Specification O.OOE+OO O.OOE+OO 2.61E-02 3.02E-02 2.82E-02 Thyroid Actual Dose (mrem) O.OOE+OO O.OOE+OO l.03E-03 7.48E-04 1.78E-03 % of Specification O.OOE+OO O.OOE+OO 2.06E-02 l.50E-02 l.78E-02 Kidney Actual Dose (mrem) O.OOE+OO O.OOE+OO l.03E-03 7.48E-04 l.78E-03 % of Specification O.OOE+OO O.OOE+OO 2.06E-02 l.50E-02 l.78E-02 *Page 20 of 29 Table 3.4 (continued)

Dose from Liquid Effluents 1st Qtr 2nd Qtr 3rd Qtr .. 4th Qtr Annual Lung Actual Dose (mrem) O.OOE+OO O.OOE+OO 1.IOE-03 1.03E-03 2.12E.;03*

% of Specification O.OOE+OO.

.* *O.OOE+OO 2.20E-02.

2.0SE-02 2.12E-02 GI-LLI Actual Dose (mrem) O.OOE+OO O.OOE+OO 2.60E-03 2.37E-03 4.96E-03 % of Specification O.OOE+OO*

O.OOE+OO 5.19E-02 . 4.73E-02 4.96E-02 Page 21 *of29

,):,; 3.4 Ground Water Monitoring

Sample Point ' Tritium ... Total Gamma Activity Sample Date -pCilL *µCi/ml AB-707 -.... 03/10/15 : 1226. None Detected 06/03/15 1591 *.

None Detected -. 09/10/15 500 *None Detected ll/04/15 664 None Detected A.B-708 03/10/15 825 None DeteCted 06/03/15 797 None Detected 09/09/!'5 264 None Detected 11/04/15 653 None Detected AB-709 03/11/15 513 None Detected 06./03/15 690 None Detected 09/10/15 <254 Nope Detected 11105/15 675 Nc;me Detected AB-710 .. 03/09/15 813 ]'f one Detected 06/03/15 854 None Detected . 09/09/15 307 None Detected 11104/15 709 None Detected AB-711 03/09/15 615 None Detected 06/02/15 540 None Detected .. 09/09/15 <254 None Detected . 11/04115 419 None Detected AB-712* 03/11/15 3.86 None Detected 06/03/15 578 None Detected 09/10/15 <254 None Detected 11/05/15 537 None Detected Page 22 of 29.

Sample Point Tritium Total Gamma Activity Sample Date uCi/L . * µCi/ml AB-715 03/10/15 390' None Detected 06103115 ... <321 None Detected*

09/09/15 <254 None Detected 11/04/15 .. <287 .. None Detected .. AB-717 ... ' . 03/l0/15 .. <264 N orie Detected * .. .06/05/15

<321. None Detected 09/10/15 <254 None Detected -i 1/05/15 <287 None Detected MW-701 *" 03/11/15 <248 .. '.None Detected 06i05/l5 <247 None Detected 09/10/15 <267 None Detected 11105!i5 , <287 , None Detected MW-702 . 03/12/15 <248 None Detected I 06/10/15 <247 None Detected 09/10/15 <261 *None Detected 11/05/15 <287 None Detected .. MW-703

03/i2/15 . None Detected ... <248 06/11/15 <247 None Detected 09/10/15 <267 . None Detected 11/05/15 <287 None Detected MW-704 " 03/11115 <248 None Detected 06/10/15 <247 *. None Detected 09/10/15 . <267 .* None Detected 11/05/15 <287 None Detected MW-705 03/11/15 <248 None Detected 06/10/15 <247 None Detected 09/09/15 <267 None Detected 11/05/15 <287 None Detected MW-706 03/11/15 <248

None Detected 06/10/15 <247 None Detected 09/09/15 <267 None Detected 11/05/15 <287 None Detected Page 23 of29 4.0 METEOROLOGICAL DATA See Appendix A for missing meteorological data and the joint frequency distribution tables for the report period. 5.0 SOLID WASTE DISPOSAL Table 5.1 is a summation of solid radioactive waste shipped during 2015. Presented are the types of waste, major nuclide composition, disposition of the waste and shipping colitaillers used. Table 5.1 also contains the radionuclide content (curies) and percent abundance for each type of waste. \,. There was no solid radioactive waste shipped in 2015. Page 24 of29

5.1 Solid Waste and Irradiat.ed Fuel Shipments A. Solid Radioactive Waste Shipped Off-Site for Burial or Disposal 1. Type of Waste with Estimate ofMajor Nuclide Composition Resins, Filters, antl ; Volume Evaporator Bottoms 1;, Waste Class ft3 m3 A O.OOE+OO O.OOE+OO B O.OOE+OO O.OOE+OO c O.OOE+OO O.OOE+OO All O.OOE+OO O.OOE+OO Estimate of Major Nuclides for Resins, Filters, and Evaporator Bottoms: Nuclide None Dry Active Waste .. Waste Class A B c All %Abundance NA Curies NA '. Volume , ft3 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO . Estimate of Major Nuclides for Dry Active Waste: Nuclide None %Abundance NA Curies NA Page 25 of29 m 3 -*O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Curies Shipped . Curies O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Curies Shipped Curies \ O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO l (continued)

Solid Waste and Irradiated Fuel Shipments Irradiated Components

., Volume Waste Class ft3 A O.OOE+OO B O.OOE+OO c O.OOE+OO All O.OOE+OO Estimate of Major Nuclides for lftadiated Components:

Nuclide None Other Waste (DAW-Asbestos)

Waste Class A B c All %Abundance NA. Curies NA Volume ft3 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Estimate of Major Nuclides for Other Waste: Nuclide None %Abundance NA Curies NA Sum of All Low-Level Volmne Waste* Waste Class ft3 A O.OOE+OO B O.OOE+OO c O.OOE+OO All O.OOE+OO Estimate of Major Nuclides for All Low-Level Waste: Nuclide None %Abundance NA Curies NA Page 26 of29 m3 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO m3 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO m.3 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Curies Shipped Curies O.OOE+OO O.OOE+OO O.OOE+OO O:OOE+OO Curies Shipped Curies O.OOE+OO O.OOE+OO 0.00E+OO O.OOE+OO Curies Shipped Curies O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Solid Waste an<J

2. Solid Waste Disposition Number of Shipments None B. . Irradiated Fuel Shipments.

Number of Shipments

None Mode of Transportation

NA Mode of Transportation NA Destination NA Destination NA No irradiated fuel shipments were made from the Kewaunee Power Station during 2015. Page 27 of29 6.0 SUPPLEMENTAL INFORMATION 6.1 Abnormal Releases or Abnormal Discharges

. . No abnormal releases or abnormal dischargeswei:emade from the Kewaunee Power Station during the . . ' ... . . report period. 6.2 Non-routine Planned Discharges No non-routine planned discharges were made from the Kewaunee Power Station during the period. 6.3 Program Revisions In accordance with Technical Specification 5.6.2, the revisions to the Process Control Program, Offsite Dose Calculation Manual, Radiological Environmental Monitoring Program and radioactive waste treatment systems are listed below. 6.3.1 Process Control Program There were no revisions made to the Process Control Program during this report period. 6.3.2 Offsite Dose Calculation Manual The Kewaunee Power Station Offsite Dose Calculation Manual (ODCM) was not revised during this report period. 6.3.3 Radiological Environmental Monitoring Manual The Kewaunee Power Station Radiological Environmental Monitoring Manual (REMM) was not revised during this report period. 6.4 Major Changes to the Radioactive Liquid, Gaseous and Solid Waste Treatment Systems There were no changes made to the radioactive waste systems (liquid, gaseous or solids) during this report period. 6.5 Effluent Monitoring System Inoperability 6.5 .1 There were no effluent radiation monitors inoperable for the consecutive time period listed in the ODCM for this report period. 6.6 Corrections to Previous Reports 6.6.1 None. Page 28 of29 6.7 Other 6. 7.1 The sample pump flow totalizer used for strontium sampling of the effluent from the auxiliary ventilation stack was found to be at zero flow on 5/31/2015.

Sample flow volume was calculated manually using the start and stop time of the sample collection and then multiplying this vahie by the pump flow rate. The probable cause of the totalizer reading a zero value was loss of power due to electrical breaker cycling activities occurring five days earlier. CR5811l7.

Page 29 of29 This page intentionally left blank __J App*endixA Kewaunee Power Station *.

2015 Meteorological Data Missing Data First Quarter: 2. 7 5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months Second Quarter: 95.75 hours8.680556e-4 days 0.0208 hours 1.240079e-4 weeks 2.85375e-5 months Third Quarter: 20.75 hours8.680556e-4 days 0.0208 hours 1.240079e-4 weeks 2.85375e-5 months Fourth Quarter: 105.50 hours5.787037e-4 days 0.0139 hours 8.267196e-5 weeks 1.9025e-5 months Note: A total of 224.75 hours8.680556e-4 days 0.0208 hours 1.240079e-4 weeks 2.85375e-5 months of data is missing or otherwise unavailable.

This represents the availability of 97.43 o/o of the data for the year.

APPENDIX A Kewaunee Power Station 2015 Meteorological Data First Quarter 2015 Stability Class A Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0.75 20.5 24.25 19.25 0.25 o* 65 NNE 0 0.5 8.5 15.75 18.75 6.75 3.25 53.5 NE 0 2 13.25 5.25 11.75 1 0 33.25 ENE 0 0 13:25 18.75 1 0 0 33 E 0 0.75 7 .. 25 6.75 0 0 0 14.75 ESE 0 1.5 6 5.25 1.25 0 0 14 SE 0 1.5 4.75 7.75 3 . 0 0 17 SSE 0 0.75 1 4.25 18.25 6.5 4 34.75 s 0 0.5 9 27.25 12.75 2.25 0 51.75 SSW 0 0.25 14 20.25 2.75 0 0 37.25 SW 0 1.5 21..75 36 10.75 0 0 70 WSW 0 1.25 26;5 28.75 17.75 0.25 0 74.5 w 0 0.5 27.25 17 6.75 0 0 51.5 WNW 0 0.75 17.25 20 4.5 0 0 42.5 NW 0 1 14 36.25 22 0.25 0 73.5 NNW *o 1.25 20,5 32.25 19.75 6.75 0.25 80.75 TOTAL 0 14.75 224.75 305.75 170.25 24 7.5 747 Stability Class B Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24* TOTAL N 0 1.25 0.75 5 '8.5 1 0 16.5 NNE 0 0.25 . 0.5 0.5 1 0.5 0 2.75 NE 0 0 1.75 1 0 0 0 2.75 ENE 0 0.25 2.25 0.5-0 0 0 3 E o* 0 1.5 0.25 o. 0 0 1.75 ESE 0 0 1.5 0.25 0 0 0 1.75 SE 0 0 3.25 0.75 0 0 0 4 SSE 0 0 1.5 1 0.5 3.25 0.25 6.5 s 0 0 1 5.25 1.75 0.5 0 8.5 SSW 0 0.25 3.5 3 0.5 0 0 7.25 SW 0 0 2.75 5.75 3.75 0 0 12.25 WSW 0 1 2.75 7.75 2.25 0 0 13.75 *w 0 1.75 6 6.75 4.25 0.25 0 19 WNW 0 1.25 2.75 7.5 3.5 0 0 15 NW 0 0.25 2.75 4.5 2 0 0 9.5 NNW 0 0.25 2 7.25 7.25 0.75 0 17.5 TOTAL 0 6.5 36.5 57 35.25 6.25 0.25 141.75 Page A2 of Al 7 APPENDIX A Kewaunee PowerStatfon 2015 Meteorological Data Stabilitv Class C Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0.5 1.5 *2.25 5 0 0 9.25 NNE 0 0 0.5 1 2 1 0 4.5 NE 0 0 3.75 3.25 2.25 0 0 9.25 ENE 0 .. .0' 1.75 '7.25 ,0 0 -0 9 E 0 0 1.5 0.5 0 0 0 2 ESE 0 "' 0 3.25 0.25 0 0 0 3.5 SE 0 :o.5 2.5 1.5 0.25 0 0 4.75 SSE 0 0 0.25 2.25 1.5 0.5 0 4.5 s 0 0 1.25 2.5 1 0 0 4.75 SSW 0 0.25 5.25 5 0.75 0 0 11.25 SW 0 0.25 3 7.5 8.5 0 0 19.25 WSW 0 .0 6.25 14.25 1.5 :0 0 22 w 0 0.25 4 17.75 5.25 0 0 27.25 WNW 0 0.25 3.5 11.75 6.75 0 0 22.25 NW 0 0 1.25 5.25 5.25 0 0 11.75 NNW 0 0.75 3.25 6.75 IO 0.5 o* 21.25 TOTAL 0 2.75 42.75 89 50 2 0 186.5 Stability Class D *Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 1 9.75 7.5 4.25 0 0 22.5 NNE 0 0.75 2.75 2 2.5 1 0 9 NE 0 1.25 3.5 1 0.25 0 0 6 ENE 0 0.5 1.25 1.75 0 0 0 3.5 E 0 0.5 2.5 0.25 0 0 0 3.25 ESE 0 1 2.75 2.25 0 0 0 6 SE 0 0.5 2 8.5 1 0 0 12 SSE 0 0.25 1.25 *' 6.5 5.75 0 0 13.75 s 0 0.25 4.5 '9.25 0.5 0 0 14.5 SSW 0 0.75 19 12.25 '2 0 0 34 SW 0 1.25 13.5 12.5 4.25 0 0 31.5 WSW 0 1.75 13.75 9.5 4 0.5 o. 29.5 w 0 1.25: 22 34.25 4.75 .2.25 0 64.5 WNW 0 3.25 11.25 17.75 11 0 0 43.25 NW 0 3.5 13.75 32.5 18.25 0 0 68 *NNW \ 0 2.25 8.5 30.25 16.5 0 0 57.5 TOTAL 0 20 132 188 75 3.75 0 418.75 Page A3 of Al 7 APPENDIX' A Kewaunee Power Sfatiori r2015 'Meteorological Data Stability Class E ; ***Wind Speed Wind Direction CALM 1-3 , 4-7 '8-12 13-18 19-24 >24 TOTAL N 0 l.75 8.75 2 *o 0 0 12.5 NNE 0 1 2 . 3.5 1 0 0 7.5 NE 0 1 2.75 0 0 0 0 3.75 ENE 0.25 0.25 4.25 0 0 0 0 4.75 E 0 0 0.5 0 0 0 0 0.5 ESE 0 0.25 1.25 'O 0 0 0 1.5 SE 0 0.5 5 2.5 0 0 0 8 SSE 0 *0.25 2 4.75 4.25 0 0 11.25 s 0 1.75 3.75 t.25 0.25 0 0 7 SSW 0 3 17.75 '3.5 0 0 0 24.25 SW 0 4.25 \,.14 10.5 0.25 0 0 29 WSW 0.25 4 *18.5 1'3.75 1.25 0 0 37.75 w 0 4.5 17.5 26.25 1.75 0 0 50 WNW 0 2.25 13.75 16.75 7.5 0 0 40.25 NW 0 5.5 8.5 9.5 2 0 O' 25.5 NNW 0 4 14.5 5.25 0 0 0 23.75 TOTAL 0.5 34.25 134.75 99.5 ' 18.25 0 0 287.25 Stabilitv Class F Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 1.25 2.5 0 0 0 0 3.75 NNE 0 0.75 1.25 0.25 0.25 0 0 2.5 NE 0 0.5 0.25 0.25 0 0 0 1 ENE 0 0 0.75 0 0 0 0 0.75 E 0 0.25 0 0 0 0 0 0.25 ESE 0 0 0.5 0 0 0 0 0.5 SE 0 0.5 2.5 0 0 0 0 3 SSE 0 0 0.75 3 1.25 0 0 5 s. 0 0.25 2.75 1 0 0 0 4 SSW 0 1.75 12.75 2.5 0 0 0 17 SW 0 4.25 15.75 2.75 0 0 0 22.75 WSW 0 4.5 8.75 7 05 0 0 20.75 w 0 2.5 18.75 7.5 1.15 0 0 30 WNW 0 5 19.75 1.75 0 0 0 26.5 NW 0 5 15.75 1.75 0.25 0 0 22.75 NNW 0 3 7.5 1.75 0 0 0 12.25 TOTAL 0 29.5 110.25 29.5 3.5 0 0 172.75 Page A4 of Al 7

\_ APPENO.IX,A Ke:waunee Pow;er. Statioll' 2015 Met¥orologi.cal Data Stability Class G Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0_:75 3 0 0 0 0 3.75 .NNE 0 0 .1.25 0.25 o* 0 o. 1.5 NE 0 0.25 0.25 0.5 0 0 o. 1 ENE 0 0 0.5 0 0 0 0 0.5 E* 0 0 0.75 *O 0 0 0 0.75 ESE 0 0 2.25 0.25 0 0 o* 2.5 SE 0 025 1.5 0 0 0 o* 1.75 SSE 0 0.5 4.5 4.75 "1.25 0 O* 11 s 0 1 1 1:5 0 0 0 3.5 SSW 0 1.75 6 b25 0 0 0 9 SW 0 4 15.75 2 0 0 o* 21.75 WSW 0 4.5 33.25 4.5 0 0 0 42.25 w 0 5 34 5.75 0 0 0 44.75 WNW 0 . 4 10.75 2.75 0 0 0 17.5 . NW. 0 4 . 20 1.75 0 0 0 25.75 NNW 0 3.5 11.5 1.25 0 0 0 16.25 TOTAL 0 29.5 146.25 26.5 1.25 0 0 203.5 Page A5 of Al 7 APPENDIX A Kewaunee*Power'8tation 2015 Meteorological.Data Second Quarter 2015 Stability Class A Wind Speed Wind.Direction CALM 1-3 '4-7 8-12 13-18 19-24 >24 TOTAL N 0 0.5 0.25 2.5 .1.25 0 0 4.5 NNE 0 0.25 7.25 . 34 40 28.75 0.25 110.5 NE 0 0.25 16.25 31.25 4.75 0 0 52.5 ENE 0 1 10.75 3.25 0.25 0 o* 15.25 E" 0 1.75 10.75 0.5 0.75 0 O* 13.75 ESE 0 2.25 4.75 0.75 *0.25 0 0 8 SE 0 1.5 7 1.5 0.5 0 0 10.5 SSE 0 0 5.75 10.25 2.25 0 0 ., 18.25 s 0 0 6.25 4.25 2 0 0 12.5 SSW 0 0.25 4.5 -0 0 0 0 4.75 SW 0.25 0 2.25 1.5 1.75 0 o. 5.75 WSW 0 0 9.5 11.75 "3.25 0.5 0 25 w 0 0 4 9.25 ' 10.5 0 0.5 24.25 WNW 0.25 0 1.5 12.25 5 0 0.25 19.25 NW 0 0.25 1.75 14.75 4.75 0 0 21.5 NNW 0 0.5 0.5 3.75 1.5 0 0 6.25 TOTAL 0.5 8.5 93 141.5 78.75 29.25 1 352.5 Stability Class B Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0 0 3 0.5 0 0 3.5 NNE 0 0 5 7.25 5 1.5 0 18.75 NE 0 0.25 3.5 4.5 0 0 0 8.25 ENE 0 0 2.5 1.25 0 0 0 3.75 E 0 *0.75 1.25 1 .. 25 0).5 0 0 3.5 ESE 0 0.75 0.75 0.25 0 0 0 1.75 SE 0 0 0.75 0:25 0 0 0 1 SSE 0 0.25 1.25 0.5 0.25 0 0 2.25 s 0 0 1.5 2.5 0.25 0 0 4.25 SSW 0 0 2 0.25 0 0 0 2.25 SW 0 0 0.5 0.5 0.25 0 0 1.25 WSW 0 0 0.75 0.75 1 0 0 2.5 w 0 0 1.25 4.25 3.25 0 0 8.75 WNW 0 0 0.5 6.25 1.5 0 0 8.25 NW 0 0 0.25 1.5 0.75 0 0 2.5 NNW 0 0 0 0.75 0.25 0 0 1 TOTAL 0 2 21.75 35 13.25 1.5 0 73.5 Page A6 of A'l 7 APPENDIX A Kewaunee Power.Station.2015 Meteorological Data Stability Class C Wind Speed Wind Direction CALM 1-3 '4-7 ' , . 8-12 13-18 19-24 >24 TOTAL N 0 0 0.75 3.25 0.75 0 0 4.75 NNE 0 0 5.75 10.25 8 0.75 0 24.75 NE 0 *O . 6.5 5.75 0 0 O* 12.25 ENE 0 1 *2.5 0.25 .o 0 0 3.75 E 0 1 4.75, 0.75 0 0 0 6.5 ESE 0 ,, 1.25 4.5 0.25 0 0 0 6 SE 0 0 1 1 0 0 0 2 SSE 0 0.5 . 1.5 0.75 0.75 0 0 3.5 s 0 0 0.25 2.5 0 0 0 2.75 SSW 0 0 1.75 1 0 0 0 2.75 SW 0 0 1.25 0.75 0.5 0 0 2.5 WSW 0 0 0.25 4.75 4 0 0 9 w 0 0 0.25 . , 9 7 0 0 16.25 WNW 0 0 1.25 4:25 5.25 0 *O. 10.75 NW 0 0 0 1.5 0.75 0 0 2.25 NNW 0 0 1 1 1 0 0 3 TOTAL 0 . 3.75 33.25 47 28 ) 0.75 0 112.75 Stability Class D Wind Speed Wind Direction CALM 1-3 . 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0.75 5.25 9.75 0.5 0 0 16.25 NNE 0 0.75 16 67.5 34 11.25 0 129.5 NE 0 2 18.5 0 0 0 31.25 ENE 0 2.5 6.25 1.75 0 0 0 10.5 E 0 1.25 5.5 0.5 0 0 0 7.25 ESE 0 1.75 3.75 0'.25 0 0 0 5.75 SE 0 1.25 3.25 0:75 0 0 0 5.25 SSE 0 0 5.5 3.75 1.25 0 0 10.5 s 0 1.25 7.25 7.75 1.25 0.25 0 17.75 SSW 0 0.75 5.25 3.25 0 0 0 9.25 SW 0 0.25 3.25 1.25 1.5 0 0 6.25 WSW 0 0 4 4 0.5 0 0 8.5 w 0 "0.5 1 8 3.25 0 0 12.75 WNW 0.25 0.5 1.75 9.25 4.75 0 *O 16.5 NW 0 0.5 0.75 2 , 3.25 0 O' 6.5 NNW 0 0.5 2.75 5 0 0 0 8.25 TOTAL 0.25 14.5 90 135.5 50.25 11.5 0 302 Page A7 of A17 APPENDIX A Kewaunee .PowerStation:

2015 Meteorological Data Stability Class E ; W,ind Speed Wind Direction CALM 1-3 A-1 8-12 13-18 19-24 >24 TOTAL N 0 . 3.75 5 5:25 0.25 0 0 14.25 NNE 0 4 17 46.25 18.25 0.75 O* 86.25 NE 0 2.75 19.25 7 *O 0 0 29 ENE 0.25 5.75 7.75 0.5 0 0 0 14.25 E 0.25 7 5.25 .. 0 0 0 0 12.5 ESE 0 4.75 8.25 0 0.25 0 0 13.25 SE 0.25 '4.75 5 1 0 0 0 11 SSE 0.25 2 8.5 5.75 1.25 0 o* 17.75 s 0.25 5.5 24 *17 1.5 0 0 48.25 SSW 0 . 4.75 13.75 10 *o.5 0 0 29 SW 0.25 1.75 2.5 3.5 ' 1.75 0 0 9.75 WSW 0 1 0.75 8.25 4.25 0 0 14.25 w 0 . 1.75 3.25 3.75 0.5 0 0 9.25 WNW 0 1.5 5.25 12.75 0.75 0 0 20.25 NW 0 1:75 1.5 9 1.75 0 0 14 NNW 0 '2.75 7.5 6.5 0.25 0 0 17 TOTAL 1.5 55.5 134.5 136.5 31.25 0.75 0 360 Stability Class F Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0.25 4 6 0.25 0.25 0 0 10.75 NNE 0 3.5 7.5 10.5 3 0 0 24.5 NE 0.25 6.25 17.75 3.75 0 0 0 28 ENE 0.25 4.25 6.75 1 0 0 0 12.25 E 0.5 3.5 4.25 0.25 0 0 0 8.5 ESE 0 5 3.75 0 0 0 0 8.75 SE 0 2.25 7 0.75 0 0 0 10 SSE 0.25 3.5 10.5 8.25 4 0 0 26.5 s 0 4.25 24 16 1.75 0 0 46 SSW 0 4.75 14 9.25 '0.25 0 0 .28.25 SW 0.5 2.75 2.25 1.5 0.75 0 0 7.75 WSW 0 3.5 1.25 1.25 0.25 0 0 6.25 w 0.25 2.25 2.25 3 0.25 0 0 8 WNW 0.5 3 6 2.25 0 0 0 11.75 NW 0 1 2 0.5 0.25 0 0 3.75 NNW 0.5 5 8.75 8.25 0 0 0 22.5 TOTAL 3.25 58.75 124 66.75 10.75 .o 0 263.5 Page A8 of A17

-APPENDIX A Kewaunee Power Station2015.

Meteorological Data Stability Class G , Wind Speed Wind Direction CALM 1-3 : 4-7 8-12 13-18 19-24 >24 TOTAL N 0.5 7.75 13.75 . 1.5 0.75 0 0.25:* 24.5 NNE 0.5 ; 7 8)5 2.75 0.5 0 0. 19 NE 0.25 8.75 31.75 6.25 *o 0 0 47 ENE 0.25 6.5 9.25 1.75 0 0 0 17.75 E 0.75 7 4.75 0.25 0 0 0 12.75 ESE 0.5 '8.75 5.75 0.25 0 0 0 15.25 SE 0.5 6 10.25 3.5 0 0 0 20.25 SSE 0.25 12.25 62 43.25 7.75 0 0 125.5 S' 0.25 9.5 58.75 37 .1.25 0 0 106.75 SSW 1 18.75 25.25 3.75 .0 0 0 ..

48.75 SW 0.5 12.25 24.25 1.75 0 0 0 38.75 WSW 1.25 11.5 20.75 2 0 0 0 35.5 w 1 .10.5 21 1.75 0 0 0.5 34.75 WNW 0.75 10.25 9.25 1 0 0 0 21.25 NW 0 14 15.75 0.5 0 0 0 30.25 NNW 0.75 13 11.25 1 0 0 *O 26 TOTAL 9 163.75 332 108.25 10.25 0 0.75 624 PageA9'ofA17 APPENDIX A Kewaunee PowerStation.2015 Meteorological Data Third Ouarter 2015 . "' ,, ' Stability Class A

WindSpeed Wind *Direction CALM 1-3 4-7 8:..12 13-18 19-24 >24 TOTAL N 0 0 0.5 8.25 0.5 0 0 9.25 NNE 0 0.25 7.5 5.25 6 0 0 19 NE 0 0 15 2.5 0 0 0 17.5. ENE 0 1 8.75 0 0 0 0 9.75 E 0 1.5 12.5 1.25 0 0 0 15.25 ESE 0 . 1.5 4.75 0 0 0 0 6.25 SE 0 1.75 8.75 0 0 0 0 10.5 SSE 0 0.25 4.5 7 3.25 0 0 15 s 0 0 5.25 2.5 2.25 O* 0 10 SSW 0 0.75 3 3.75 0 0 O* 7.5 SW 0 0.25 3.5 5.5 . 0 0 0 9.25 WSW 0 0.75 8.25 9.5 2.25 0 0 20.75 w 0 0.75 5.25 17 4 0 0 27 WNW 0 1 15.5 21.75 2.75 0 0 41 NW 0 0 8.75 16.75 0 0 0 25.5 NNW 0 0 8.25 13.25 0 0 0 21.5 TOTAL 0 9.75 120 1 i4.25 21 0 0 265 Stability Class B Wind Speed Wind Direction CALM l'-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0.25 0.75 0 0 0 0 1 NNE 0 0 2.75: 0.5 1.5 0 0 4.75 NE 0 0.25 3 0 0 0 0 3.25 ENE 0 0.25 1.5 0 0 0 0 1.75 E 0 1.5 0.5 0 0 0 0 2 ESE 0 1.25 1 0 0 0 0 2.25 SE 0 0.25 0.25 0 0 0 0 0.5 SSE 0 0 1.25 0 0 0 0 1.25 s 0 0 0.5 1.5 0 0 0 2 SSW 0 0 0.75 0 0 0 0 0.75 SW 0 0 0.25 0 0 0 0 0.25 WSW 0 0 1 4.25 0.25 0 0 5.5 w 0 0.25 0.75 3.75 0.25 0 0 5 -WNW 0 0.25 4.75 1 0 0 0 6 NW 0 0 2.75 1 . 0.25 0 0 4 NNW 0 0 1.25 1.75 0 0 0 3 TOTAL 0 4.25 23 13.75 2.25 0 0 43.25 Page AlO of Al 7 APPE_NDIXA Kewaunee Power

Metyorologjcal Data Stability Class C Wind Speed Wind Direction CALM 1-3 4._7 . 8-12 13-18 19-24 >24 TOTAL N 0 0.25 0.25 0.75 0.5 0 0 1.75 NNE 0 0 3 0.75 0.25 0 0 4 NE 0 0 . 9 0 0 0 0 9 ENE 0 0 1.5 0 0 0 0 1.5 E 0 . 0.5 2 0 0 0 0 2.5 ESE 0 0.5 0.25 0 0 0 0 0.75 SE ' 0 1 1 0.5 0 0 0 2.5 SSE 0 0 0.5 0.5 0 0 0 1 s 0 0 1.5 l. *O 0 0 2.5 SSW 0 0 0.25 0 0 0 o. 0.25 SW 0 0.25 0.25 0.5 0 0 0 1 WSW' 0 0 1.25 2 Q.75 0 o. 4 w 0 0 0.5 -3.5 0.25 0 0 4.25 WNW 0 0.25 3.5 3 0 0 0 6.75 NW 0.25 0 1.75 2 *O 0 0 4 NNW 0 0.25 0.5 0 0 O* 1 TOTAL 0.25 3 27 14.75. 1.75 0 *o 46.75 Stability Class D Wind Speed Wind Direction CALM 4-7 .8-12 13-18 19-24 >24 TOTAL N 0 . 1 4.5 9 1.75 0 0 16.25 NNE 0 0.75 14 11 7.5 0 0 33.25 NE 0 1.75 7 1 0 0 0 9.75 ENE 0 1.75 2.75 0.25 0 0 o* 4.75 E 0 0.75 3 3.5 0.75 0 0 8 ESE 0 2.25 1 1.75 3.5 0 0 8.5 SE 0 1.5 ' 8 0 0.75 0 0 10.25 SSE 0 0.5 3.75 3 2.75 0 .o 10 s ' 0.25 0.75 7 0.75 0 0 15.5 SSW 0 :o.5 3 0.75 0 0 0 4.25 SW 0 2.5 l.5 1.75 0 0 () 5.75 WSW 0 0.25 4.5 5.5 0.25 0 ' . o* 10.5 w 0 0.75 4.75 5 0.5 \ *o 0 11 WNW 0 0.25 8 6.25 0:5 0 0 15-NW 0 0.75 3 3 0.25 0 0 7 NNW 0 1.25 4.5 1.5 1 0 0 8.25 TOTAL 0.25 17.25 80.25 60 20.25 0 0 178 Page All of Al 7 Stability Class E Wind Direction CALM N NNE NE ENE E ESE SE SSE s SSW 0.25 0 1.25 0.5 1.5 0 0.25 0.25 0 0 SW o WSW 0 w 0 WNW 0 NW 0 NNW 0 TOTAL 4 Stability Class F Wind Direction CALM N. NNE NE ENE E ESE SE SSE s SSW SW WSW w WNW NW I NNW TOTAL 0.75 0.5 . 0.25 0.5 0.25 0.75 0.25 0 0.25 0.75 0 0.25 0.25 0.25 0 0 5 APPENDIX A Power.Station 2015 Meteorological Data .l-3. 2.75 4.25 5 4.75 5.5 7.25 9 6.75 4.75 4.75 2 2 2.5 6.25 4.25 3.75 75.5 1-3 4.5 2.75 3.5 4 4 3.25 6 4:75 8.75 13.5 7 6 4.75 4.5 4.5 3 84,75 *.,*,*Wind Speed 4-T 11.25 19.75 11.75 3.75 4.5 4.75 '11 13.25 27.75 28.75 5.25 13.75 14.75 18.5 .9.5 18.5 216.75 8-t2 14.5 22.5 1.75 . 1.75 2.5 1.75 0 8.25 26.75 9.5 1.75 6.5 4.25 8 4 4.5 118.25 Wind Speed 4-7 7 9.25 9 4.25 3.25 2.5 8'.25 13.25 32.25 37.75 *8 15/75 17.75 . 9.75. 3.75 15.25 1.97 8-12 0.5 3 0.5 0 0.5 0 0 4.75 14.75 3.25 0.25 2.5 0.75 2.75 0.75 1.75 36 Page Al2 of.Al 7 13-18 1.5 5.25 0 0 0 1 0.75 1.75 2 0 0 0.75 0.25 l *O 0.*75 15 13-18 0.75 0.5 0 0 0 0 0 0.25 0.25 0 0 0 0 0.5 0 0.75 3 19-:24 0 1 0 0 0 o* 0 0 0 0 0 0 0 0 0 0 1 19.,24 0 0 0 0 0 0 0 0 -o 0 0 0 0.25 0 0.25 0 0.5 >24 0 0. o* 0 0 0 0 0 0 0 0 o* 0 0 0.25 0 0.25 TOTAL 30.25 52.75 19.75 10.75 14 s 14.75 l 21 \

i 61.25 1' 43 9 23 21.75 33.75 18 27.5 430.75 >24 TOTAL 0 13.5 0 16 0 13.25 0 8.75 0 8 0 6.5 0 14.5 0 23 0 56.25 0 55.25 0 15.25 0 -24.5 0 23.75 0 17.75 0 9.25 0 20.75 . 0 326.25 APPENDIX A Kewaunee Power Station 2015.Meteorological Data Stability Class G Wind Speed Wind Direction CALM 1-3 *4-7 8:.12 13-18 ')9-24 >24 TOTAL N 1 5 5 0.25 1.25 0.75 O* 13.25 NNE 0.5 4 3.25 1.75 0.25 .0 0 9.75 NE 1 5.5 10.75 0.5 0 0 0 17.75 ENE 0.5 1.75 2.75 0 0 0 0 5 E 0.75 4.75 3.25 1.25 0 0 0 10 ESE 0.75 ' 7 l.5 *0.75 0 0 0 10 SE 1 .8 7:75 0.75 0 0 0 17.5 SSE *0.25 15.25 77.5 33.75 . 0 0 0 126.75 s ' 0.5 27.25 105.75 65.75 0.25 0 0 199.5 SSW 0.25 57.25 39.25 0.25 0 0 0 97 SW 1 52.75 23.5 0.5 0 0 o. 77.75 WSW 1.75 36.5 54 0 0 0 0 92.25 w 1.75 23 60 0.25 0 0 0 85 WNW 0.75 20.5 31.75 0.75 0 0 0 53.75 NW 0.75 25 19 1 0 0 0 45.75 NNW 1 21.5 13 0.25 0.5 0 *o 36.25 TOTAL 13.5 . *315 458 107.75 2.25 0.75 0 897.25 Page Al3 of Al 7 APPENDIX A Kewaunee Power.Statibh2015 Meteorological Data Fourth Quarter 2015 Stability Class A Wind Speed Wind Direction; CALM 1-3 4-7 8-12 13-18 19-24

>24 TOTAL N 0 0.5 0.25 2.75 2.75 0 0 6.25 NNE 0 0 0.75 4,5 3.75 1 0 10 NE 0 *O 2.75 4.75 1 0 0 8.5 ENE 0 0.25 2.25 8 1.5 0 0 12 E 0 1.5 1.5 0.25 0.25 3.75 0 7.25 ESE o. 3.75 3.25 0 o* 0 0 7 SE 0 0.25 0.75 o.25

0 0 0 1.25 SSE 0 0 0:5 1.5 1.5 1 0 *4.5 s 0 0.25 1.5 5.75 1.25 1.5 0 10.25 SSW 0 0 6 7.5 0.75 0 0 14.25 SW 0 0.25 2 16.5 3.75 0 0 22.5 WSW 0 0.25 7.25 12 5.25 1.75 0.25* 26.75 w 0 0.5 11 20.75 15.75 0.75 0 48.75 WNW 0 0 5.5 12 10 0 0 27.5 NW 0 0.5 0.75 6.5 2.5 0 0 10.25 NNW 0 0 0.75 8.5 0.5 0 0 9.75 TOTAL 0 8 46.75 111.5 50.5 9.75 0.25 226.75 Stability Class B

Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 .* TOTAL N 0 0 0 0.5 0.5 0 0 1 NNE 0 0 0 0.25 0.25 0 0 0.5 NE 0 0 3 0.75 0 0 0 3.75 ENE 0 0 0.75 1 2 0 0 3.75 E 0 0 0 0.25 1 2.75 0 4 ESE 0 0 0.25 0.25 0 0 0 0.5 SE 0 0 0 0.25 0 0 0 0.25 SSE 0 0 0.25 0 0.25 0.25 0 0.75 s 0 0 2 4.25 0.25 0 0 6.5 SSW 0 0 4 7 0 0 0 11 SW 0 0 2.5 2.75 0.25 0 0 5.5 WSW 0 0.25 1.25 2 0.25 0.25 0.25 4.25 w 0 0.25 1.25 3.75 2.25 0 0 7.5 WNW 0 0 1.5 2.25 1.5 0 0 5.25 NW 0 0.5 0 1 0.5 0 0 2 NNW 0 0 0.5 2.75 0 0 0 3.25 TOTAL 0 1 17.25 29 9 3.25 0.25 59.75 Page Al4 of Al 7 APPENDIX A Kewaunee Power Station Data Stability Class C Wind Speed Wind Direction CALM 1-3 : 4-7. 8-J2 13-18 19-24 >24 TOTAL N 0 0 0 1 1 0 0 2 NNE 0 0 0.25 0:75 1 0 0 2 NE 0 0 '1.75 0.75 0 0 0 2.5 ... ENE 0 0 2.75 1.25 1 0 0 5 E 0 0.5 0.25 0.25 1.25 0.75 0 3 ESE 0 0.25 ., 1 0.5 0 0 0 1.75 SE 0 0 0.5 1.75 0.25 0 0 2.5 SSE 0 ' 0 0.25 0.25 0 0.25 o. 0.75 s 0 0:75 2.75 0.25 0.75 0 6.75 SSW 0 0.25 4.25 4.75 0.5 0 o. 9.75 SW 0 0 2 2 0 0 o. 4 WSW 0 0.25 0.5 2.25 0.5 0 0 3.5 w 0 0:75 1.5 2.25 2.5 0 0 7 WNW 0 0.75 2.75 1.5 3.5 ' 0 0 8.5 NW 0 .o 0.25 0 0.25 0 0 0.5 NNW 0 '0 :0.5 3.75 0 0 0 " 4.25 TOTAL *o 35 20.75 25.75 12 1.75 0 63.75 Stability Class D Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19,..24 >24 TOTAL N 0 0.75 5:75 19.25 2.5 0 0 28.25 NNE 0 0 3:75 7.75 5.75 ' 0.25 0 17.5 NE 0 0.25 5.5 2.75 6.25 , 3.75 0.5 19 ENE 0 1.25 8.5 8.5 5.5 2.75 0.25 26.75 E 0 4 6.5 18 13.25 3.25 O* 45 ESE 0.25 2.75 6 5 1.5 . 3.5 0.25 19.25 SE' 0 0.25 3 ' 8 7.5 **2.75 0.5 ' 22 SSE 0 *o 2 -4.75 10.25 7.75 o; ... 24.75 s* 0 0.25 8 18 4 2 0.25 32.5 SSW 0 0.75 20.25 16 0.75 0 0 37.75 SW 0 0.5 6.75 . 5.5 3.75 0 o* 16.5 WSW 0 *3.75 4.25 12.75 7.5 2.25 0.5 31 w 0 2.5 9.75 19.75 11 0.75 0 43.75 WNW 0 2.25 5.75 10.25 11 0 0 29.25 NW' 0 1.25 7 3 0.5 0 0 11.75 NNW *o 0.75 13 23.5 4.25 0 0 41.5 TOTAL 0.25 2L25 115.75 182.75 95.25 29 2.25 446.5 Page A15 of Al 7 Stability Class E Wind Direction CALM N 0 NNE 0 NE 0.25 ENE 0 E: 0.25 ESE 0 SE 0.25 SSE 0 s 0.25 SSW 0 SW 0.25 WSW 0.25 w 0 WNW ' 0.25 NW 0.25 NNW 0.25 TOTAL 2.25 Stability Class F Wind Direction CALM N 0.25 NNE 0 NE 0 ENE 0.25 E 0 ESE 0.25 SE > 0.25 SSE 0 s ' 0 SSW 0 SW 0 WSW. .o w 0 WNW 0.25 NW 0 NNW 0 TOTAL 1.25 APPENDlXA Kewaunee 'Power$tation 2015 Data * * * -Wind Speed 1-3 ' . 4-7 '8-12 I ,' 7.25 17.75 0.75 . 8.5 7.25 1.5 4 '1.5 0.25 ' 3.75 5 0.5 6.5 7.5 0.75 3.5 5 ' 0.5 '4.25 7.25 1.25 7.75 16.2'5 3.5 . 31.75 28.25 7.5 60.5 33 *5.75 25'.25 15.75 7.5 > 17.5 38.75 11 18.75 44:25 3.75 22.75 23.25 7.5 12.25 16 3.5 > 17.5 8.5 56.5 251.75 275.25 Wind Speed 1-3 4-7 8-12 ' 1 1.25 *O 1.5 0.75 1.5 1 10.75 0 > 1.5 4.25 0.5 ' 1.25 1.5 1.75 1 1 1.25 0.5 2.75 2.75 3 15.75 20.5 4 17.75 5.25 6.75 -22.5 2.75 4.25 8.5 1 7 11.25 7.5 6.5 17.25 4.5 7.25 33 2.25 5.75 8 1.5 2 6.25 0.75 54.25 162.5 53.75 Page A16 of Al 7 13-18 : 10 5.5 0.5 4.5 3 1 *1.75 12 9.5 0.5 6 27 14 11.25 1.25 1.5 109.25 13-18 0 0 0 0 0 0.25 1.25 9.75 3.5 0 0.25 0 0 0 0.25 0 15.25 19-24 >24 TOTAL 0 0 36 0 0 22 0 0 7.75 0.25 0 13.75 0 0. 17.75 0.25 0 10.5 .l 0.5 0 14.5 5 0.25 42.5 2.5 0 75.75 0 0 101.5 . 0.25 0 53.25 5.75 2 98.75 1 o. 89 0 0 61.25 0.25 0 37.5 0 0 31.25 15.75 2.25 713 19-24 >24 TOTAL 0 0 2.5 0 0 3.75 0 0 11.75 0 0 6.5 0 0 4.5 0 0 3.75 0 0 7.5 2.5 0.25 51.75 0.25 0 30.75 0 o. 32 0 0 14 0.25 0 26 0 0 28.25 0 0 42.75 0 0 15.5 0 0 9 3 0.25 290.25 ( ___ r

'APPENDIX A Kewaunee Power Station 2015 Meteorological Data Stability Class G WirtdSpeed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0.25 1.75 0.75 *o 0 0 0 2.75 NNE 0 1 0 .0.25 *2 0.25 0 3.5 NE 0.25 0:25 1.25 0 0 0 0 1.75 ENE 0.25 0.25 1.25 0 0 0 O* 1.75 E 0.25 0.5 0 1.5 0 0 0 2.25 ESE 0 0.5 0 0.25 1 0 0 1.75 SE 0

o*.5 0.5 0.75 1.5 0 0 3.25 SSE 0 1 18.5 13 3 0 0 35.5 s 0.25 6.75 15.75 6.5 0.75 0 0 30 SSW 0.25 11.5 29.25 0 0 0 0 41 SW 0 10.75 27.25 ' 1.25 0 0 0 39.25 WSW 0.25 9 46.25 5.5 0 0 0 61 w 0.25 2.5 28.75 2.25 0 0 0 33.75 WNW 0 3 18.25 0.5 0 0 0 21.75 NW 0 5 9.5 0 0 0 o* 14.5 NNW 0 1.5 7.25 0 0 0 0 8.75 TOTAL 2 55.75 204.5 31.75 *8.25 0.25 0 302.5 ., r I [ PageA17ofA17

.. This page intentionally left blank Dominion Energy Kewaunee, Inc. N490 Hwy 42, Kewaunee, WI 54216 ATTN: Document Control Desk APR 1 8 2016 U. S. Nuclear Regulatory Commission Washington, DC 20555-0001 DOMINION ENERGY KEWAUNEE, INC. KEWAUNEE POWER STATION

' ,/ . . ' ri., Dom1n1on Serial No.16-150 LIC/RR/RO Docket No.: 50-305 License No.: DPR-43 2015 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT Enclosed is the Kewaunee Power Station (KPS) 2015 Annual Radioactive Effluent Release Report for January through December 2015. This report is submitted to meet the requirements of KPS Technical Specification 5.6.2 and 10 CFR 50.36a(a)(2).

If you have questions or require additional information, please feel free to contact Mr. Richard Repshas at 920-388-8217.

Sincerely, Stewart J. Yuen Plant Manager, Kewaunee Power Station Commitments made by this letter: NONE cc: Regional Administrator, Region Ill U. S. Nuclear Regulatory Commission 2443 Warrenville Road Suite 210 Lisle, IL 60532-4352 Mr. Ted H. Carter NRC Senior Project Manager U.S. Nuclear Regulatory Commission Two White Flint North, Mail Stop T-8F5 11555 Rockville Pike Rockville, MD 20852-2738 Mr. Bob Busch Wisconsin Department of Health Services Radiation Protection Section 1 West Wilson St. Room B157 P.O. Box 2659 Madison, WI 53701-2659 Ms. Deborah Russo American Nuclear Insurers 95 Glastonbury Blvd. Glastonbury, CT 06033 Serial No.16-150 Page 2 of 2 be with enclosure:

Records Management Records Management be without enclosure:

Licensing File Ms. L. F. Barnett Ms. R. Klearman Mr. B. A. Garber Mr. T. G. Cleary Mr .. S. J. Yuen Mr. J. D. Helbing Mr. B. J. McMahon Mr. 13. G. Presl Mr. C. D. Sly Mr. C. Funderburk Ms. L. M. Cuoco Mr. J. R. Harrell Mr. T. A. Brookmire Mr. J. R. Roth Mr. T. R. Huber Mr. J. M. Hale Mr. B. R. Steckler Mr. D. M. Holschbach CONCURRENCE J. Gadzala J.M. Hale VERIFICATION OF ACCURACY Serial No.16-150 2015 Radiological Effluent Release Report be: Page 1 of 1 KPS INGW IN/2SE, Corp .. Licensing OJRP/20 NAPS, Manager Licensing SPS, Manager Licensing MPS, Manager Licensing KPS, Plant Manager KPS, Manager Maintenance KPS, Manager Nuclear Operations KPS, Manager Nuclear Protection Services IN/2SE, Licensing IN/2NW, Director Nuclear Oversight Tredegar RS-2, Counsel of Record IN/3SW IN/3SW IN/2SE IN/2SE KPS, Manager Radiation Protection and Chemistry KPS, Health Physicist KPS, Chemist RP-KW-HSP-HPE-280, Attachment E, Annual Radioactive Effluent Release Report Preparation Traveler ACTION PLAN None CHANGES TO THE USAR, QA TOPICAL REPORT, OR ISFSI FSAR None

1. 2. 3. *. DOMINION RP-KW-HSP-HPE-280 Revision 0 Page 14of15 Kewaunee Power Station . . . ATTACHMENT E Annual Radioactive Effluent Release Report Preparation Traveler (Page 1 of 1) Year of Report: .ZO\S Current ODCM Revision: 1. Current REMM Revision:

26 Revision Date:

Revision Date: ! ol.3! l 2-013 IF Revision Date is prior to the Year of Report, 2. IF Revision Date is prior to the Year of Report, THEN SKIP #3 and GO TO next box. THEN SKIP #3 and GO TO next box. REVIEW appropriate procedure database to 3. REVIEW appropriate procedure database to determine any revisions to the ODCM that occurred determine any revisions to the ODCM that occurred in the Year of the Report. LIST all revision in the Year of the Report. LIST all revision numbers below: numbers below: \ . ' \. J . "'\ ,,_ ""' . . '\ ' All radiological releases have been verified, entered, and any long-lead sample results have been returned/completed and entered. Confirmed by: I ?,/8/ttc 'EQ,t J Date Print/Sign The following list of corrective actions were identified for inclusion in this annual report: CA# Description of where included in report or how resolved R 13 $'.v ]to\,\/ .h tc. h -i-ev Report Completed by: Bl)SLlC Date INFORMATION USE 2015 Annual Radioactive Effluent Release Report Kewaunee Power Station Dotninion Energy Kewaunee, Inc.

DOCKET 50-305 KEWAUNEE POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT January 1 -December 31, 2015

'* ,i This page intentionally left blank Table of Contents Section Description 0.0 Summary ............................................................................................................

3 1.0 Introduction

........................................................................................................

3 I.I Effluent Dose Limits.; ........................................................................................

3 2.0 Gaseous Effluents

..............................................................................................

5 2.1 Lower Limits of Detection (LLD) for Gaseous Effluents

..................................

5 2.2 Gaseous Batch Release Statistics

.......................................................................

7 2.3 Gaseous Effluent Data .......................................................................................

7 Table 2.1 Gaseous Effluents

-Summation of all Releases ................................

8 Table 2.2 Gaseous Effluent -Continuous Mode .............................................

9 Table 2.3 Gaseous Release -Batch Mode .......................................................

10 Table 2.4 Dose from Gaseous Effluents

..........................................................

11 2.4 Estimation of Carbon-14 in Gaseous Releases .....................................

13 3.0 Liquid Effluents

...............................................................................................

14 3.1 Lower Limits of Detection (LLD) for Liquid Effluents

...................................

14 3.2 Liquid Batch Release Statistics

...................... .................................................

16 3.3 Liquid Effluent Data .............................. .........................................................

16 Table 3 .1 Liquid Effluents

-Summation of all Releases .................................

17 Table 3.2 Liquid Effluents

-Batch Mode ........................................................

18 Table 3 .3 Liquid Effluents

-Continuous Mode ...............................................

19 Table 3.4 Dose from Liquid Effluents

.............................................................

20 3.4 Ground Water Monitoring

..............................................................................

22 4.0 Meteorological Data ...... ' ..................................................................................

24 5.0 Solid Waste Disposal .......................................................................................

24 Table 5.1 Solid Waste and Irradiated Fuel Shipments

.....................................

25 6.0 Supplemental Information

... : ...........................................................................

28 Appendix A Meteorological Data Page 2 of29 This page intentionally left. blank O.O

SUMMARY

On October 22, 2012, Dominion made known the decision to permanently shut down the Kewaunee Power Station (KPS). On February 25, 2013, Dominion Energy Kewaunee (DEK) submitted a certification of permanent cessation of power operations pursuant to 10 CFR 50.82(a)(l)(i), stating that DEK has decided to permanently cease power operation of KPS on May 7, 2013. On May 15, 2013 the NRC docketed the certification for permanent removal of fuel from the reactor vessel pursuant to 10 CFR 50.82(a)(l)(ii).

Therefore the 10 CFR Part 50 license no longer* authorizes KPS to operate the reactor or emplace or retain fuel in the reactor vessel, as specified in 10 CFR 50.82(a)(2).

During 2015 all solid, liquid, and gaseous radioactive effluents from the Kewaunee Power Station were well below regulatory limits. For individual effluent streams, the quarterly limit most closely approached was: GASEOUS: LIQUID: SOLID:

1.0 INTRODUCTION

Ingestion Pathw;:iy-Organ Quarterly Limit (mRem) Actual Dose (mRem) % of Specification Ingestion Pathway-Organ Quarterly Limit (mRem) Actual Dose (rrtRem) % of Limit Total Body 7.5 l.30E-04 (4th Quarter) 1.73E-03 Bone 5.0 3.52E-03 (4th Quarter) 7.03E-02 No upper limit for solid radioactive waste applies. Cubic Meters Shipped O.OOE+OO m 3 (0.00+00 ft 3) This report is being submitted in accordance with the requirements of Kewaunee Technical Specifications, Section 5.6.2 and the Offsite Dose Calculation Manual, Section 15.2. It includes data from all effluent releases made from January 1 -December 31, 2015. The report contains summaries of the gaseous and liquid releases made to the environment including the quantity, characterization, time duration and calculated radiation dose at the site boundary resulting from these releases.

The report also includes a summation of solid radioactive waste disposal, revisions to the Process Control Program and the Offsite Dose Calculation Manual, major changes to the radioactive liquid and gaseous waste treatment systems, and addresses the cumulative meteorological data. Values indicated as 0 (zero) in this report refer to actual values less than the detection limits. A table of these less than detectable (LLD) values is identified in sections 2.1 and 3 .1. 1.1 Effluent Dose Limits Specifications are set to ensure that offsite doses are maintained as low as reasonably achievable while still allowing for practical and dependable evolutions at the Kewaunee Power Station. Page 3 of29 The Kewaunee Offsite Dose Calculation Manual (ODCM) describes the methodology .and parameters

used in:

1.) The.calculation of radioactive liquid and *gaseous effluent monitoring instrumentation . alarm/trip set points. 2.) The calculation of radioactive liquid 'and gaseous 'concentrati6ns, dose rates and ,cumulative quarterly and annual doses. tqe ODCM methodology is acceptable for use *in demonstrating compliance with 10 CFR 20.i301/l302; 10 CFR 50, Appendix I; and 40CFR190.

Page 4 of29 2.0 GASEOUS EFFLUENTS 2.1 Lower Limits of (LLD) for Effluents Gaseous radioactive effluents are released in both the continuous mode and the batch mode. The auxiliary building stack is sampled for particulates, halogens and Strontium by l'.!-Il line" sample traiU.

This stack is also gq1b-sampled weekly for gaseous gamma emitters and monthly for tritium. Batch releases are sampled prior fo release for principal gaseous and particulate gamma emitters, halogens and tritium.*

The LLD's for gaseous radio-analyses, as listed in Table 13.2J-1 of the Kewaunee ODCM are: Analysis Gaseous Gamma Emitters Iodine 131 Particulate Gamma Emitters Particulate Gross Alpha Strontium 89, 90 Noble Gases, Gross Beta or Gamma Tritium (H-3) LLD (µCi/ml) 1.00E-04 3;00E-12 1.00E:.11 l.OOE-11 l.OOE-'l l The nominal "a priori" LLD values are shown below. Isotope a. Gaseous emissions:

Kr-87 Kr-88 Xe-133 Xe-133m Xe-135 Xe-138 a priori LLD (µCi/ml) . 5.61E-08 1.02E-07 6.68E-08 2.75E-07 2.99E-08 1.13E-07 Page 5 of29

b. Particulate emissions:

Mn-54 Fe-59 Co-58 Co-60 ' Zn-65 Mo-99 Cs-134 Cs-137 Ce-141 Ce-144 . l.l lE-13 2.27E-13 2.28E-13 3.57E-13 1.68E-13.

. 2*.73E-13* . .4.69E-13 l.68E-13 2.08E-13 l.24E-12 c. Other identifiable emitters:

Ar-41 3.97E-10 Kr-85 8:63E-05 Kr-85m 4.62E-08 Kr-89 2.04E-06 Xe,.127 4.20E-08 Xe-13lm 1.S2E-06 . Xe-135m l.90E-08 Xe-137 2.88E-07 1-131 l.32E-13 d. Composite particulate samples: Sr-89 Sr-90 Gross Alpha l.OOE-14 l.OOE-14 l.OOE-14 . '\ *. These "a priori" LLDs represent the capabilities of the counting*systems in use, not an after the fact "a posteriori" limit for a particular measurement.

Page 6 of29 2.2 Gaseous Batch Release Statistics The following is a summation of all gaseous batch releases made during 2015. Number of batch releases ....................................

O Total time for all batch releases (min) ..............

0.0 Maximum time for a batch release (min) ..........

0.0 Average time for a batch release (min) .............

0.0 Minimum time for a batch release (min) ...........

0.0 2.3 Gaseous Effluent Data Table 2.1 presents a quarterly summation of the total activity refeased and average release rates of gaseous effluents.

Table 2.2 lists the quarterly sums of individual gaseous radionuclide released by continuous mode. Table 2.3 lists the quarterly sums of individual gaseous radionuclide released by batch mode. Table 2.4 presents the dose limits for gaseous effluents, and the calculated doses this year from gaseous effluents.

Page 7 of29 Table 2.1 Gaseous Effluents

-Surtnilation

'of all Releases Fission and Activation Gases 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Total Total Activity Released (Ci) Average Release Rate (µCi/sec)

Iodines Total Activity Released (Ci) Average Release Rate (µCi/sec)

Particulates O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Total Activity Released (Ci} O.OOE+OO Average Release Rate (µCi/sec)

O.OOE+OO Tritium Total Activity Released (Ci) Average Release Rate (µCi/sec)

Gross Alpha Released (Ci) Carbon-14 Total Annual Activity Released (Ci) 4.78E+OO 6.07E-01 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 4.12E+OO 5.22E-01 O.OOE+OO 3.85E+OO 4.88E-01 O.OOE+OO Page 8 of29 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE-t;OO O.OOE+OO O.OOE+OO O.OOE+OO 4.90E+OO 6.22E-Ol O.OOE+OO l.77E+Ol 5.60E-01 O.OOE+OO O.OOE+OO Fission Gases Total Iodines Total Particulates Total Gross Alpha Tritium Table2.2*

Gaseous Effluents

-Ground Level.-Nuclides Released (Ci) Continuous Mode . 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Total r O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 0.00E+OO O.OOE+OO O.OOE+OO O.OOE+OO.

O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 4.78E+OO 4.12E+OO 3.85E+OO . 4.90E7-00 . 1.77E+Ol Page 9 of29 Fission Gases Total Iodines Total Particulates Total Tritium Gross Alpha '.fable'2.3 Gaseous Effluents-.;.

Ground Level .. Nuclides Released (Ci) Batch Mode (1) 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Total O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO

O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 1 -There were no gaseous b,atch discharges in 2015. Page 10 of29 Table'2A Dose from Gaseous Effluents The offsite dose limits from radioactive materials in gaseous effluents are specified in Section 13.2.2 and 13.2.3 of the Kewaunee ODCM and can be summarized as follows: Air Dose Air Dose Limit Gamma Beta Organ Quarterly

5.0 mrad 10.0.mrad 7.5 mrem Annual 10.0 mrad 20.0mrad 15.0 mrem The total releases of gaseous effluents during 2015 for each quarter and for the year were within limits. The following offsite doses were calculated using equations 2.8, and 2.11 from the Kewaunee ODCM. Calculated offsite doses versus quarterly and annual limits are shown below: 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr Annual 1. Gamma-Air Dose Specification (mrad) 5.00E+OO 5.00E+OO 5:00E+OO 5.00E+OO LOOE+Ol Actual Dose (mrad) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO % of Specification O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 2. Beta-Air Dose Specification (mrad) 1.00E+Ol 1.00E+Ol 1.00E+Ol 1.00E+Ol 2.00E+Ol Actual Dose (mrad) O.OOE+OO O.QOE+OO O.OOE+OO O.OOE+OO O.OOE+OO % of Specification O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 3. Organ Dose Specification (mrem) 7.50E+OO 7.50E+OO 7.50E+OO 7.50E+OO l.50E+Ol Total Body Actual Dose (mrem) l.27E-04 1.09E-04 l.02E-04 1.30E-04 4.67E-04 % of Specification l.69E-03 1.45E-03 1.36E-03 l.73E-03 3.llE-03 Bone _Actual Dose (mrem) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO % of Specification O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Page 11 of 29 Table 2.4 (continued)

Dose from Gaseous Effluents 1st Qtr* *2nd-Qtr 3rd Qtr 4th Qtr Annual . Liver Actual Dose (mrem) l.27E-04 l.09E-04 l.02E-04 l.30E-04 4.67E-04 % of Specification l.69E-03 l.45E-03 l.36E-03 l.73E-03 3.llE-03 Thyroid Actual Dose (mrem) l.27E-04 1.09E-04 l.02E-04 l.30E-04

% of Specification l.69E-03 l.45E-03 l.36E-03 l.73E-03 3.l lE-03 Kidney -Actual Dose(mrem) l.27E-04 -l.09E-04 l.02E-04.

1.30E-04 4.67E-04 % of Specification l.69E-03 . l.45E-03 l.36E-03 . l.73E-03 3.llE-03 Lung Actual Dose (mrem) l.27E-04 l.09E-04 l.02E-04 l.30E-04 4.67E-04 % of Specification l.69E-03 1.45E-03 l.36E-03 l.73E-03 3.l lE-03 GI-LLI Actual Dose (mrem) l.27E-04 l.09E-04 l.02E-04 l.30E-04 4.67E-04 % of Spedfication l.69E-03 l.45E-03 l.36E-03 l.73E.,Q3 3.llE-03 Page *12 of 29 2.4 Estimation of Carbon-14 in Gaseous Releases Due to permanent plant shutdown on'May 7, 2013,:there were no releases of Carbon-14 from the site. / Page 13 of29 3.0 LIQIDD EFFLUENTS . 3.1 Lower Limits of Detection (LLD) for Liquid Effluents . Liquid radioactive effluents are released as both batch releases and continuous*

releases .. Each batch is sampled prior to release and analyzed for gamma emitters and tritium. A fraction of each sample is retained for a monthly proportional composite which is then analyzed for Gross Alpha, Strontium 89, Strontium 90, Iron 55 and Nickel 63. The LLD's for liquid batch release radio-analyses, as listed in Table 13.1.1-1 of the Kewaunee ODCM are: Analysis Principal Gamma Emitters Iodine 131 Tritium (H-3) Gross Alpha Strontium 89, 90 Iron 55 LLD (µCi/ml) 1.00 E-06 1.00 E-06 1.00 E-05 5.00 E-07 5.00 E-08 1.00 E-'06 The actual obtained "a priori" LLD values for batch releases are shown below. Isotope 1st Quarter, 2nd Quarter 3rd Quarter 4th Quarter Mn-54 9.74E-08 l.31E-07 9.63E-08 9.63E-08 Fe-59 3.89E-08 3.89E-08 3.82E-08 3.82E-08 Co-58 l.28E-07 l.28E-07 l.51E-07 9.45E-08 Co-60 l.32E-07 2.33E-08 l.29E-07 2.28E-08 Zn-65 2.48E-07 2.48E-07 2.44E-07 3.27E-07 Mo-99 6.83E-07 6.83E-07 l.20E-07 6.78E-07 Cs-134 l.93E-08 l.09E-07 9.98E-08 9.98E-08 ,; Cs-137 l.64E-.08 l.64E-08 l.24E-07 9.24E-08 Ce-141 l.12E-07 l.12E-07 l.20E-07 5.lOE-08 Ce-144 5.33E-07 3.63E-07 5.36E-07 4.59E-07 1-131 1.0lE-08 l.25E-07 l.04E-07 5.69E-08 H-3 3.39E-06 2.65E-06 3.36E-06 3.08E-06 Sr-89 NA NA 3.96E-08 9.26E-09 Sr-90 NA NA 6.89E-09 5.57E-09 Gross Alpha NA NA 4.82E-09 6.28E-09 Fe-55 NA NA 7.21E-07 6.85E-07 Ni-63 NA NA 9.62E-08 9.47E-08 Page 14 of29 Average a priori LLD (µCi/ml) l.OSE-07 3.86E-08 l.25E-07 7.68E-08 2.67E-07 5.41E-07 8.20E-08 6.23E-08 9.88E-08 4.73E-07 7.40E-08 3.12E-06 2.44E-08 6.23E-09 5.55E-09 7.03E-07 9.55E-08 Continuous liquid releases are grab-sampled weekly and analyzed for principal gamma emitters.

A fraction of each weekly sample is retained for a monthly proportional composite which is then analyzed for Gross Alpha, Strontium 89, Strontium 90, Iron.§55iand Nickel 63. The LLD's for liquid continuous release radioanalyses, as listed in Table 13 .1.1-1 of the Kewaunee ODCMare: Analysis Principal Gamma Emitters

Iodine 131 Tritium (H-3) Gross Alpha Strontium 89, 90 Iron 55 LLD (µCi/ml) 5.00 E-.07 1.00 E-06 1.00 E-05 5.00 E-07 5.00 E:-08 1.00 E-06 The actual obtained "a priori" LLD values for continuous releases are shown below. Isotope 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter Average a priori LLD (µCi/ml) Mn-54 l.44E-08 l.02E-08 8.98E-09 9.76E-09 l.08E-08 Fe-59 . 2.64E-08 9.79E-09 2.0lE-08 2.49E-08 2.03E-08 Co-58 l.12E-08 7.50E-10 l.09E-08 l.21E-08 8.74E-09 Co-60 2.17E-08 1.05E-08 6.58E-09 l.06E-08 l.23E-08 Zn-65 2.98E-08 2.60E-d8 , 2.04E-08 2.26E-08 2.47E-08 ; Mo-99 1.33E-07 8.lOE-08 6.93E-08 7.42E-08 8.94E-08 Cs-134 1.42E-08 8.89E-08 1.13E-08 9.18E-09 3.09E-08 Cs-137 1.47E-08 1.lOE-08 l.30E-08 l.14E-08 l.25E-08 Ce-141 1.83E-08 l.59E-08 l.62E-08 l.92E-08 1.74E:-08 Ce-144 8.68E-08 7.68E-08 6.74E-08 7.34E-08 7.61E-08 I-131 l.52E-08 8.44E-08 8.69E-09 9.58E-09 2.95E-08 H-3 3.39E-06 2.65E-06 3.36E-06 . 3.08E-06 3.12E-06 Sr-89 9.72E-09 7.77E-09 4.39E-08 9.83E-09 l.78E-08 Sr-90 6.20E-09 5.87E-09 7.90E-09 6.20E-09 6.54E-09 Gross Alpha 5.13E-09 4.99E-09 4.62E-09 7.93E-09 5.67E-09 Fe-55 6.68E-07 7.40E-07 7.08E-07 6.57E-07 6.93E-07 Ni-63 l.04E-07 8.96E.:07 l.06E-07 l.02E-07 3.02E-07 Page 15 of29 3.2 Liquid Batch Release Statistics The following is a summation of all liquid batch releases during 2015. Number of batch releases .........................................

2 Total time for all batch releases (min) ..............

.4,370 Maximum time for a batch release (min) ...........

2,370 Minimum time for a batch release (min) ............

2,000 Average time for a batch release (min) ...............

2, 180 3.3 Liquid Effluent Data The following Table 3.1 presents a quarterly summation of the total activity released and average concentration for all liquid effluents.

It also presents the gross alpha activity released, volume of waste released and volume of dilution water used. Table 3.2 contains the quantity of the individual isotopes released to the unrestricted area for batch releases.

Table 3.3 contains the quantity of the individual isotopes released to the unrestricted area for continuous releases.

Table 3.4 presents the doses from liquid effluents for each quarter and the calculated doses this year from liquid effluents.

Page 16 of29 Table3.1 Liquid Effluents Summation, of all.Releases 1st Qtr 2ndQtr 3rd Qtr 4th Qtr Total Fission and Activation Products Total Release (Ci) O.OOE+OO O.OOE+OO 5.78E-04 l.15E-03 1.73E-03 Average Concentration

(µCi/ml) : *

O.OOE+OO O.OOE+OO 1.34E-09 2.67E-09 1.05E-09 Tritium Total Release (Ci) O.OOE+OO O.OOE+OO 2.98E+oo*

l.80E+OO.

4.78E+OO.

Average Concentration

(µCi/ml)

O.OOE+OO 0.00E+OO 6.91E-06 4.18E-06 2.89E-06 % of Tech. Spec. Limit(3.0E-3

µCi/ml) O.OOE+OO O.OOE+OO 2.30E-01 1.39E-01 9.63E-02

Dissolved and Entrained Gases

Total Release (Ci) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Average Concentration

(µCi/ml) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO %ofTech. Spec. Limit(2.0E-4

µCi/ml) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO , Gross Alpha Activity Total Release (Ci) O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Volume of Waste Released Total (liters) 2.53E+06 2.20E+06 3.91E+06 2.39E+06 1.1 OE+07 Volume of Dilution Water Total (liters) 4.00E+08 3.99E+08 4.31E+08 4.31E+08 l.65E+09 Page 17 of29

Table3.2 Liquid Effluents,....

Nuclides Released (Ci) .. Batch Mode

1st Qtr* 2nd Qtr* 3rd Qtr Fission and Activation Products Fe-55 NA NA 2.53E-04 NA NA 2.91E-04 Ni-63 NA NA 3.39E-05 Total Release NA NA 5.78E-04 Dissolved and Entrained Gases Total Release NA **NA O.OOE+OO Tritium 4th Qtr Total 8.66E-04*

l.12E-03 2.12E-04 5.03E-04 7.llE-05 l.05E-04 l.15E-03 l.73E-03 O.OOE+OO O.OOE+OO Total Release NA NA 2.98E+OO.

l.80E+OO 4.78E+OO Gross Alpha Activity Total Release NA NA O.OOE+OO O.OOE+OO O.OOE+OO *There were no batch releases in the 1st or 2nd quarter. Page 18of29 .

Table3.3 Liquid Released (Ci) Continuous Mode . ,fat Qtr

2ndQtr Fission and Activation Products.

Total Release . O.OOE+OO O.OOE+OO O.OOE+OO Dissolved and.Entrained Gases . Total Release O.OOE+OO O.OOE+OO O.OOE+OO Tritium Total Release O.OOE+OO O.OOE+OO O.OOE+OO Gross* Alpha Activity Total Release 0.00E+OO 0.00E+OO O.OOE+OO Page 19 of 2.9 ' 4th Qtr Total O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 0.00E+OO O.OOE+OO

- 'Table 3.4 . . Dose from Liquid Effluents The dose to a member of the public from total liquid radioactive releases for each quarter was below the Kewaunee ODCM limits of 1.5 mrem to the total body and less than or equal to 5 mrem to any organ. Additionally, the dose to a member of the public from total liquid radioactive releases for the year was below the Kewaunee ODCM limits of 3 mrem to the total body and ler;;s than or equal to 10 mrem to any organ. Instantaneous release concentrations are limited by the individual radionuclide concentrations established in 10 CPR 20, Appendix B, for unrestricted areas. During the report period, none of the isotopes released exceed the concentrations specified in Appendix B. The following offsite doses were calculated using equation 1. 7 from the Kewaunee ODCM.

1st Qtr 2nd Qtr 3rd Qtr 4th Qtr Annual Total Body Specification (mrem) l.50E+OO l.50E+OO l.50E+OO l.50E+OO 3.00E+OO Actual Dose (mrem) O.OOE+OO O.OOE+OO l.27E-03 l. l lE-03 2.83E-03 % of Specification O.OOE+OO O.OOE+OO 8.46E-02 7.39E-02*

9.43E-02 Organs Specification (mrem) 5.00E+OO 5.00E+OO 5.00E+OO 5.00E+OO LOOE+Ol Bone Actual Dose (mrem) O.OOE+OO O.OOE+OO l.29E-03 3.52E-03 4.SOE-03 % of Specification O.OOE+OO O.OOE+OO 2.57E-02 7.03E-02 4.SOE-02 Liver Actual Dose (mrem) O.OOE+OO O.OOE+OO l.31E-03 l.51E-03 2.82E-03 % of Specification O.OOE+OO O.OOE+OO 2.61E-02 3.02E-02 2.82E-02 Thyroid Actual Dose (mrem) O.OOE+OO O.OOE+OO l.03E-03 7.48E-04 1.78E-03 % of Specification O.OOE+OO O.OOE+OO 2.06E-02 l.50E-02 l.78E-02 Kidney Actual Dose (mrem) O.OOE+OO O.OOE+OO l.03E-03 7.48E-04 l.78E-03 % of Specification O.OOE+OO O.OOE+OO 2.06E-02 l.50E-02 l.78E-02 *Page 20 of 29 Table 3.4 (continued)

Dose from Liquid Effluents 1st Qtr 2nd Qtr 3rd Qtr .. 4th Qtr Annual Lung Actual Dose (mrem) O.OOE+OO O.OOE+OO 1.IOE-03 1.03E-03 2.12E.;03*

% of Specification O.OOE+OO.

.* *O.OOE+OO 2.20E-02.

2.0SE-02 2.12E-02 GI-LLI Actual Dose (mrem) O.OOE+OO O.OOE+OO 2.60E-03 2.37E-03 4.96E-03 % of Specification O.OOE+OO*

O.OOE+OO 5.19E-02 . 4.73E-02 4.96E-02 Page 21 *of29

,):,; 3.4 Ground Water Monitoring

Sample Point ' Tritium ... Total Gamma Activity Sample Date -pCilL *µCi/ml AB-707 -.... 03/10/15 : 1226. None Detected 06/03/15 1591 *.

None Detected -. 09/10/15 500 *None Detected ll/04/15 664 None Detected A.B-708 03/10/15 825 None DeteCted 06/03/15 797 None Detected 09/09/!'5 264 None Detected 11/04/15 653 None Detected AB-709 03/11/15 513 None Detected 06./03/15 690 None Detected 09/10/15 <254 Nope Detected 11105/15 675 Nc;me Detected AB-710 .. 03/09/15 813 ]'f one Detected 06/03/15 854 None Detected . 09/09/15 307 None Detected 11104/15 709 None Detected AB-711 03/09/15 615 None Detected 06/02/15 540 None Detected .. 09/09/15 <254 None Detected . 11/04115 419 None Detected AB-712* 03/11/15 3.86 None Detected 06/03/15 578 None Detected 09/10/15 <254 None Detected 11/05/15 537 None Detected Page 22 of 29.

Sample Point Tritium Total Gamma Activity Sample Date uCi/L . * µCi/ml AB-715 03/10/15 390' None Detected 06103115 ... <321 None Detected*

09/09/15 <254 None Detected 11/04/15 .. <287 .. None Detected .. AB-717 ... ' . 03/l0/15 .. <264 N orie Detected * .. .06/05/15

<321. None Detected 09/10/15 <254 None Detected -i 1/05/15 <287 None Detected MW-701 *" 03/11/15 <248 .. '.None Detected 06i05/l5 <247 None Detected 09/10/15 <267 None Detected 11105!i5 , <287 , None Detected MW-702 . 03/12/15 <248 None Detected I 06/10/15 <247 None Detected 09/10/15 <261 *None Detected 11/05/15 <287 None Detected .. MW-703

03/i2/15 . None Detected ... <248 06/11/15 <247 None Detected 09/10/15 <267 . None Detected 11/05/15 <287 None Detected MW-704 " 03/11115 <248 None Detected 06/10/15 <247 *. None Detected 09/10/15 . <267 .* None Detected 11/05/15 <287 None Detected MW-705 03/11/15 <248 None Detected 06/10/15 <247 None Detected 09/09/15 <267 None Detected 11/05/15 <287 None Detected MW-706 03/11/15 <248

None Detected 06/10/15 <247 None Detected 09/09/15 <267 None Detected 11/05/15 <287 None Detected Page 23 of29 4.0 METEOROLOGICAL DATA See Appendix A for missing meteorological data and the joint frequency distribution tables for the report period. 5.0 SOLID WASTE DISPOSAL Table 5.1 is a summation of solid radioactive waste shipped during 2015. Presented are the types of waste, major nuclide composition, disposition of the waste and shipping colitaillers used. Table 5.1 also contains the radionuclide content (curies) and percent abundance for each type of waste. \,. There was no solid radioactive waste shipped in 2015. Page 24 of29

5.1 Solid Waste and Irradiat.ed Fuel Shipments A. Solid Radioactive Waste Shipped Off-Site for Burial or Disposal 1. Type of Waste with Estimate ofMajor Nuclide Composition Resins, Filters, antl ; Volume Evaporator Bottoms 1;, Waste Class ft3 m3 A O.OOE+OO O.OOE+OO B O.OOE+OO O.OOE+OO c O.OOE+OO O.OOE+OO All O.OOE+OO O.OOE+OO Estimate of Major Nuclides for Resins, Filters, and Evaporator Bottoms: Nuclide None Dry Active Waste .. Waste Class A B c All %Abundance NA Curies NA '. Volume , ft3 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO . Estimate of Major Nuclides for Dry Active Waste: Nuclide None %Abundance NA Curies NA Page 25 of29 m 3 -*O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Curies Shipped . Curies O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Curies Shipped Curies \ O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO l (continued)

Solid Waste and Irradiated Fuel Shipments Irradiated Components

., Volume Waste Class ft3 A O.OOE+OO B O.OOE+OO c O.OOE+OO All O.OOE+OO Estimate of Major Nuclides for lftadiated Components:

Nuclide None Other Waste (DAW-Asbestos)

Waste Class A B c All %Abundance NA. Curies NA Volume ft3 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Estimate of Major Nuclides for Other Waste: Nuclide None %Abundance NA Curies NA Sum of All Low-Level Volmne Waste* Waste Class ft3 A O.OOE+OO B O.OOE+OO c O.OOE+OO All O.OOE+OO Estimate of Major Nuclides for All Low-Level Waste: Nuclide None %Abundance NA Curies NA Page 26 of29 m3 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO m3 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO m.3 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Curies Shipped Curies O.OOE+OO O.OOE+OO O.OOE+OO O:OOE+OO Curies Shipped Curies O.OOE+OO O.OOE+OO 0.00E+OO O.OOE+OO Curies Shipped Curies O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Solid Waste an<J

2. Solid Waste Disposition Number of Shipments None B. . Irradiated Fuel Shipments.

Number of Shipments

None Mode of Transportation

NA Mode of Transportation NA Destination NA Destination NA No irradiated fuel shipments were made from the Kewaunee Power Station during 2015. Page 27 of29 6.0 SUPPLEMENTAL INFORMATION 6.1 Abnormal Releases or Abnormal Discharges

. . No abnormal releases or abnormal dischargeswei:emade from the Kewaunee Power Station during the . . ' ... . . report period. 6.2 Non-routine Planned Discharges No non-routine planned discharges were made from the Kewaunee Power Station during the period. 6.3 Program Revisions In accordance with Technical Specification 5.6.2, the revisions to the Process Control Program, Offsite Dose Calculation Manual, Radiological Environmental Monitoring Program and radioactive waste treatment systems are listed below. 6.3.1 Process Control Program There were no revisions made to the Process Control Program during this report period. 6.3.2 Offsite Dose Calculation Manual The Kewaunee Power Station Offsite Dose Calculation Manual (ODCM) was not revised during this report period. 6.3.3 Radiological Environmental Monitoring Manual The Kewaunee Power Station Radiological Environmental Monitoring Manual (REMM) was not revised during this report period. 6.4 Major Changes to the Radioactive Liquid, Gaseous and Solid Waste Treatment Systems There were no changes made to the radioactive waste systems (liquid, gaseous or solids) during this report period. 6.5 Effluent Monitoring System Inoperability 6.5 .1 There were no effluent radiation monitors inoperable for the consecutive time period listed in the ODCM for this report period. 6.6 Corrections to Previous Reports 6.6.1 None. Page 28 of29 6.7 Other 6. 7.1 The sample pump flow totalizer used for strontium sampling of the effluent from the auxiliary ventilation stack was found to be at zero flow on 5/31/2015.

Sample flow volume was calculated manually using the start and stop time of the sample collection and then multiplying this vahie by the pump flow rate. The probable cause of the totalizer reading a zero value was loss of power due to electrical breaker cycling activities occurring five days earlier. CR5811l7.

Page 29 of29 This page intentionally left blank __J App*endixA Kewaunee Power Station *.

2015 Meteorological Data Missing Data First Quarter: 2. 7 5 hours5.787037e-5 days 0.00139 hours 8.267196e-6 weeks 1.9025e-6 months Second Quarter: 95.75 hours8.680556e-4 days 0.0208 hours 1.240079e-4 weeks 2.85375e-5 months Third Quarter: 20.75 hours8.680556e-4 days 0.0208 hours 1.240079e-4 weeks 2.85375e-5 months Fourth Quarter: 105.50 hours5.787037e-4 days 0.0139 hours 8.267196e-5 weeks 1.9025e-5 months Note: A total of 224.75 hours8.680556e-4 days 0.0208 hours 1.240079e-4 weeks 2.85375e-5 months of data is missing or otherwise unavailable.

This represents the availability of 97.43 o/o of the data for the year.

APPENDIX A Kewaunee Power Station 2015 Meteorological Data First Quarter 2015 Stability Class A Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0.75 20.5 24.25 19.25 0.25 o* 65 NNE 0 0.5 8.5 15.75 18.75 6.75 3.25 53.5 NE 0 2 13.25 5.25 11.75 1 0 33.25 ENE 0 0 13:25 18.75 1 0 0 33 E 0 0.75 7 .. 25 6.75 0 0 0 14.75 ESE 0 1.5 6 5.25 1.25 0 0 14 SE 0 1.5 4.75 7.75 3 . 0 0 17 SSE 0 0.75 1 4.25 18.25 6.5 4 34.75 s 0 0.5 9 27.25 12.75 2.25 0 51.75 SSW 0 0.25 14 20.25 2.75 0 0 37.25 SW 0 1.5 21..75 36 10.75 0 0 70 WSW 0 1.25 26;5 28.75 17.75 0.25 0 74.5 w 0 0.5 27.25 17 6.75 0 0 51.5 WNW 0 0.75 17.25 20 4.5 0 0 42.5 NW 0 1 14 36.25 22 0.25 0 73.5 NNW *o 1.25 20,5 32.25 19.75 6.75 0.25 80.75 TOTAL 0 14.75 224.75 305.75 170.25 24 7.5 747 Stability Class B Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24* TOTAL N 0 1.25 0.75 5 '8.5 1 0 16.5 NNE 0 0.25 . 0.5 0.5 1 0.5 0 2.75 NE 0 0 1.75 1 0 0 0 2.75 ENE 0 0.25 2.25 0.5-0 0 0 3 E o* 0 1.5 0.25 o. 0 0 1.75 ESE 0 0 1.5 0.25 0 0 0 1.75 SE 0 0 3.25 0.75 0 0 0 4 SSE 0 0 1.5 1 0.5 3.25 0.25 6.5 s 0 0 1 5.25 1.75 0.5 0 8.5 SSW 0 0.25 3.5 3 0.5 0 0 7.25 SW 0 0 2.75 5.75 3.75 0 0 12.25 WSW 0 1 2.75 7.75 2.25 0 0 13.75 *w 0 1.75 6 6.75 4.25 0.25 0 19 WNW 0 1.25 2.75 7.5 3.5 0 0 15 NW 0 0.25 2.75 4.5 2 0 0 9.5 NNW 0 0.25 2 7.25 7.25 0.75 0 17.5 TOTAL 0 6.5 36.5 57 35.25 6.25 0.25 141.75 Page A2 of Al 7 APPENDIX A Kewaunee PowerStatfon 2015 Meteorological Data Stabilitv Class C Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0.5 1.5 *2.25 5 0 0 9.25 NNE 0 0 0.5 1 2 1 0 4.5 NE 0 0 3.75 3.25 2.25 0 0 9.25 ENE 0 .. .0' 1.75 '7.25 ,0 0 -0 9 E 0 0 1.5 0.5 0 0 0 2 ESE 0 "' 0 3.25 0.25 0 0 0 3.5 SE 0 :o.5 2.5 1.5 0.25 0 0 4.75 SSE 0 0 0.25 2.25 1.5 0.5 0 4.5 s 0 0 1.25 2.5 1 0 0 4.75 SSW 0 0.25 5.25 5 0.75 0 0 11.25 SW 0 0.25 3 7.5 8.5 0 0 19.25 WSW 0 .0 6.25 14.25 1.5 :0 0 22 w 0 0.25 4 17.75 5.25 0 0 27.25 WNW 0 0.25 3.5 11.75 6.75 0 0 22.25 NW 0 0 1.25 5.25 5.25 0 0 11.75 NNW 0 0.75 3.25 6.75 IO 0.5 o* 21.25 TOTAL 0 2.75 42.75 89 50 2 0 186.5 Stability Class D *Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 1 9.75 7.5 4.25 0 0 22.5 NNE 0 0.75 2.75 2 2.5 1 0 9 NE 0 1.25 3.5 1 0.25 0 0 6 ENE 0 0.5 1.25 1.75 0 0 0 3.5 E 0 0.5 2.5 0.25 0 0 0 3.25 ESE 0 1 2.75 2.25 0 0 0 6 SE 0 0.5 2 8.5 1 0 0 12 SSE 0 0.25 1.25 *' 6.5 5.75 0 0 13.75 s 0 0.25 4.5 '9.25 0.5 0 0 14.5 SSW 0 0.75 19 12.25 '2 0 0 34 SW 0 1.25 13.5 12.5 4.25 0 0 31.5 WSW 0 1.75 13.75 9.5 4 0.5 o. 29.5 w 0 1.25: 22 34.25 4.75 .2.25 0 64.5 WNW 0 3.25 11.25 17.75 11 0 0 43.25 NW 0 3.5 13.75 32.5 18.25 0 0 68 *NNW \ 0 2.25 8.5 30.25 16.5 0 0 57.5 TOTAL 0 20 132 188 75 3.75 0 418.75 Page A3 of Al 7 APPENDIX' A Kewaunee Power Sfatiori r2015 'Meteorological Data Stability Class E ; ***Wind Speed Wind Direction CALM 1-3 , 4-7 '8-12 13-18 19-24 >24 TOTAL N 0 l.75 8.75 2 *o 0 0 12.5 NNE 0 1 2 . 3.5 1 0 0 7.5 NE 0 1 2.75 0 0 0 0 3.75 ENE 0.25 0.25 4.25 0 0 0 0 4.75 E 0 0 0.5 0 0 0 0 0.5 ESE 0 0.25 1.25 'O 0 0 0 1.5 SE 0 0.5 5 2.5 0 0 0 8 SSE 0 *0.25 2 4.75 4.25 0 0 11.25 s 0 1.75 3.75 t.25 0.25 0 0 7 SSW 0 3 17.75 '3.5 0 0 0 24.25 SW 0 4.25 \,.14 10.5 0.25 0 0 29 WSW 0.25 4 *18.5 1'3.75 1.25 0 0 37.75 w 0 4.5 17.5 26.25 1.75 0 0 50 WNW 0 2.25 13.75 16.75 7.5 0 0 40.25 NW 0 5.5 8.5 9.5 2 0 O' 25.5 NNW 0 4 14.5 5.25 0 0 0 23.75 TOTAL 0.5 34.25 134.75 99.5 ' 18.25 0 0 287.25 Stabilitv Class F Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 1.25 2.5 0 0 0 0 3.75 NNE 0 0.75 1.25 0.25 0.25 0 0 2.5 NE 0 0.5 0.25 0.25 0 0 0 1 ENE 0 0 0.75 0 0 0 0 0.75 E 0 0.25 0 0 0 0 0 0.25 ESE 0 0 0.5 0 0 0 0 0.5 SE 0 0.5 2.5 0 0 0 0 3 SSE 0 0 0.75 3 1.25 0 0 5 s. 0 0.25 2.75 1 0 0 0 4 SSW 0 1.75 12.75 2.5 0 0 0 17 SW 0 4.25 15.75 2.75 0 0 0 22.75 WSW 0 4.5 8.75 7 05 0 0 20.75 w 0 2.5 18.75 7.5 1.15 0 0 30 WNW 0 5 19.75 1.75 0 0 0 26.5 NW 0 5 15.75 1.75 0.25 0 0 22.75 NNW 0 3 7.5 1.75 0 0 0 12.25 TOTAL 0 29.5 110.25 29.5 3.5 0 0 172.75 Page A4 of Al 7

\_ APPENO.IX,A Ke:waunee Pow;er. Statioll' 2015 Met¥orologi.cal Data Stability Class G Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0_:75 3 0 0 0 0 3.75 .NNE 0 0 .1.25 0.25 o* 0 o. 1.5 NE 0 0.25 0.25 0.5 0 0 o. 1 ENE 0 0 0.5 0 0 0 0 0.5 E* 0 0 0.75 *O 0 0 0 0.75 ESE 0 0 2.25 0.25 0 0 o* 2.5 SE 0 025 1.5 0 0 0 o* 1.75 SSE 0 0.5 4.5 4.75 "1.25 0 O* 11 s 0 1 1 1:5 0 0 0 3.5 SSW 0 1.75 6 b25 0 0 0 9 SW 0 4 15.75 2 0 0 o* 21.75 WSW 0 4.5 33.25 4.5 0 0 0 42.25 w 0 5 34 5.75 0 0 0 44.75 WNW 0 . 4 10.75 2.75 0 0 0 17.5 . NW. 0 4 . 20 1.75 0 0 0 25.75 NNW 0 3.5 11.5 1.25 0 0 0 16.25 TOTAL 0 29.5 146.25 26.5 1.25 0 0 203.5 Page A5 of Al 7 APPENDIX A Kewaunee*Power'8tation 2015 Meteorological.Data Second Quarter 2015 Stability Class A Wind Speed Wind.Direction CALM 1-3 '4-7 8-12 13-18 19-24 >24 TOTAL N 0 0.5 0.25 2.5 .1.25 0 0 4.5 NNE 0 0.25 7.25 . 34 40 28.75 0.25 110.5 NE 0 0.25 16.25 31.25 4.75 0 0 52.5 ENE 0 1 10.75 3.25 0.25 0 o* 15.25 E" 0 1.75 10.75 0.5 0.75 0 O* 13.75 ESE 0 2.25 4.75 0.75 *0.25 0 0 8 SE 0 1.5 7 1.5 0.5 0 0 10.5 SSE 0 0 5.75 10.25 2.25 0 0 ., 18.25 s 0 0 6.25 4.25 2 0 0 12.5 SSW 0 0.25 4.5 -0 0 0 0 4.75 SW 0.25 0 2.25 1.5 1.75 0 o. 5.75 WSW 0 0 9.5 11.75 "3.25 0.5 0 25 w 0 0 4 9.25 ' 10.5 0 0.5 24.25 WNW 0.25 0 1.5 12.25 5 0 0.25 19.25 NW 0 0.25 1.75 14.75 4.75 0 0 21.5 NNW 0 0.5 0.5 3.75 1.5 0 0 6.25 TOTAL 0.5 8.5 93 141.5 78.75 29.25 1 352.5 Stability Class B Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0 0 3 0.5 0 0 3.5 NNE 0 0 5 7.25 5 1.5 0 18.75 NE 0 0.25 3.5 4.5 0 0 0 8.25 ENE 0 0 2.5 1.25 0 0 0 3.75 E 0 *0.75 1.25 1 .. 25 0).5 0 0 3.5 ESE 0 0.75 0.75 0.25 0 0 0 1.75 SE 0 0 0.75 0:25 0 0 0 1 SSE 0 0.25 1.25 0.5 0.25 0 0 2.25 s 0 0 1.5 2.5 0.25 0 0 4.25 SSW 0 0 2 0.25 0 0 0 2.25 SW 0 0 0.5 0.5 0.25 0 0 1.25 WSW 0 0 0.75 0.75 1 0 0 2.5 w 0 0 1.25 4.25 3.25 0 0 8.75 WNW 0 0 0.5 6.25 1.5 0 0 8.25 NW 0 0 0.25 1.5 0.75 0 0 2.5 NNW 0 0 0 0.75 0.25 0 0 1 TOTAL 0 2 21.75 35 13.25 1.5 0 73.5 Page A6 of A'l 7 APPENDIX A Kewaunee Power.Station.2015 Meteorological Data Stability Class C Wind Speed Wind Direction CALM 1-3 '4-7 ' , . 8-12 13-18 19-24 >24 TOTAL N 0 0 0.75 3.25 0.75 0 0 4.75 NNE 0 0 5.75 10.25 8 0.75 0 24.75 NE 0 *O . 6.5 5.75 0 0 O* 12.25 ENE 0 1 *2.5 0.25 .o 0 0 3.75 E 0 1 4.75, 0.75 0 0 0 6.5 ESE 0 ,, 1.25 4.5 0.25 0 0 0 6 SE 0 0 1 1 0 0 0 2 SSE 0 0.5 . 1.5 0.75 0.75 0 0 3.5 s 0 0 0.25 2.5 0 0 0 2.75 SSW 0 0 1.75 1 0 0 0 2.75 SW 0 0 1.25 0.75 0.5 0 0 2.5 WSW 0 0 0.25 4.75 4 0 0 9 w 0 0 0.25 . , 9 7 0 0 16.25 WNW 0 0 1.25 4:25 5.25 0 *O. 10.75 NW 0 0 0 1.5 0.75 0 0 2.25 NNW 0 0 1 1 1 0 0 3 TOTAL 0 . 3.75 33.25 47 28 ) 0.75 0 112.75 Stability Class D Wind Speed Wind Direction CALM 1-3 . 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0.75 5.25 9.75 0.5 0 0 16.25 NNE 0 0.75 16 67.5 34 11.25 0 129.5 NE 0 2 18.5 0 0 0 31.25 ENE 0 2.5 6.25 1.75 0 0 0 10.5 E 0 1.25 5.5 0.5 0 0 0 7.25 ESE 0 1.75 3.75 0'.25 0 0 0 5.75 SE 0 1.25 3.25 0:75 0 0 0 5.25 SSE 0 0 5.5 3.75 1.25 0 0 10.5 s 0 1.25 7.25 7.75 1.25 0.25 0 17.75 SSW 0 0.75 5.25 3.25 0 0 0 9.25 SW 0 0.25 3.25 1.25 1.5 0 0 6.25 WSW 0 0 4 4 0.5 0 0 8.5 w 0 "0.5 1 8 3.25 0 0 12.75 WNW 0.25 0.5 1.75 9.25 4.75 0 *O 16.5 NW 0 0.5 0.75 2 , 3.25 0 O' 6.5 NNW 0 0.5 2.75 5 0 0 0 8.25 TOTAL 0.25 14.5 90 135.5 50.25 11.5 0 302 Page A7 of A17 APPENDIX A Kewaunee .PowerStation:

2015 Meteorological Data Stability Class E ; W,ind Speed Wind Direction CALM 1-3 A-1 8-12 13-18 19-24 >24 TOTAL N 0 . 3.75 5 5:25 0.25 0 0 14.25 NNE 0 4 17 46.25 18.25 0.75 O* 86.25 NE 0 2.75 19.25 7 *O 0 0 29 ENE 0.25 5.75 7.75 0.5 0 0 0 14.25 E 0.25 7 5.25 .. 0 0 0 0 12.5 ESE 0 4.75 8.25 0 0.25 0 0 13.25 SE 0.25 '4.75 5 1 0 0 0 11 SSE 0.25 2 8.5 5.75 1.25 0 o* 17.75 s 0.25 5.5 24 *17 1.5 0 0 48.25 SSW 0 . 4.75 13.75 10 *o.5 0 0 29 SW 0.25 1.75 2.5 3.5 ' 1.75 0 0 9.75 WSW 0 1 0.75 8.25 4.25 0 0 14.25 w 0 . 1.75 3.25 3.75 0.5 0 0 9.25 WNW 0 1.5 5.25 12.75 0.75 0 0 20.25 NW 0 1:75 1.5 9 1.75 0 0 14 NNW 0 '2.75 7.5 6.5 0.25 0 0 17 TOTAL 1.5 55.5 134.5 136.5 31.25 0.75 0 360 Stability Class F Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0.25 4 6 0.25 0.25 0 0 10.75 NNE 0 3.5 7.5 10.5 3 0 0 24.5 NE 0.25 6.25 17.75 3.75 0 0 0 28 ENE 0.25 4.25 6.75 1 0 0 0 12.25 E 0.5 3.5 4.25 0.25 0 0 0 8.5 ESE 0 5 3.75 0 0 0 0 8.75 SE 0 2.25 7 0.75 0 0 0 10 SSE 0.25 3.5 10.5 8.25 4 0 0 26.5 s 0 4.25 24 16 1.75 0 0 46 SSW 0 4.75 14 9.25 '0.25 0 0 .28.25 SW 0.5 2.75 2.25 1.5 0.75 0 0 7.75 WSW 0 3.5 1.25 1.25 0.25 0 0 6.25 w 0.25 2.25 2.25 3 0.25 0 0 8 WNW 0.5 3 6 2.25 0 0 0 11.75 NW 0 1 2 0.5 0.25 0 0 3.75 NNW 0.5 5 8.75 8.25 0 0 0 22.5 TOTAL 3.25 58.75 124 66.75 10.75 .o 0 263.5 Page A8 of A17

-APPENDIX A Kewaunee Power Station2015.

Meteorological Data Stability Class G , Wind Speed Wind Direction CALM 1-3 : 4-7 8-12 13-18 19-24 >24 TOTAL N 0.5 7.75 13.75 . 1.5 0.75 0 0.25:* 24.5 NNE 0.5 ; 7 8)5 2.75 0.5 0 0. 19 NE 0.25 8.75 31.75 6.25 *o 0 0 47 ENE 0.25 6.5 9.25 1.75 0 0 0 17.75 E 0.75 7 4.75 0.25 0 0 0 12.75 ESE 0.5 '8.75 5.75 0.25 0 0 0 15.25 SE 0.5 6 10.25 3.5 0 0 0 20.25 SSE 0.25 12.25 62 43.25 7.75 0 0 125.5 S' 0.25 9.5 58.75 37 .1.25 0 0 106.75 SSW 1 18.75 25.25 3.75 .0 0 0 ..

48.75 SW 0.5 12.25 24.25 1.75 0 0 0 38.75 WSW 1.25 11.5 20.75 2 0 0 0 35.5 w 1 .10.5 21 1.75 0 0 0.5 34.75 WNW 0.75 10.25 9.25 1 0 0 0 21.25 NW 0 14 15.75 0.5 0 0 0 30.25 NNW 0.75 13 11.25 1 0 0 *O 26 TOTAL 9 163.75 332 108.25 10.25 0 0.75 624 PageA9'ofA17 APPENDIX A Kewaunee PowerStation.2015 Meteorological Data Third Ouarter 2015 . "' ,, ' Stability Class A

WindSpeed Wind *Direction CALM 1-3 4-7 8:..12 13-18 19-24 >24 TOTAL N 0 0 0.5 8.25 0.5 0 0 9.25 NNE 0 0.25 7.5 5.25 6 0 0 19 NE 0 0 15 2.5 0 0 0 17.5. ENE 0 1 8.75 0 0 0 0 9.75 E 0 1.5 12.5 1.25 0 0 0 15.25 ESE 0 . 1.5 4.75 0 0 0 0 6.25 SE 0 1.75 8.75 0 0 0 0 10.5 SSE 0 0.25 4.5 7 3.25 0 0 15 s 0 0 5.25 2.5 2.25 O* 0 10 SSW 0 0.75 3 3.75 0 0 O* 7.5 SW 0 0.25 3.5 5.5 . 0 0 0 9.25 WSW 0 0.75 8.25 9.5 2.25 0 0 20.75 w 0 0.75 5.25 17 4 0 0 27 WNW 0 1 15.5 21.75 2.75 0 0 41 NW 0 0 8.75 16.75 0 0 0 25.5 NNW 0 0 8.25 13.25 0 0 0 21.5 TOTAL 0 9.75 120 1 i4.25 21 0 0 265 Stability Class B Wind Speed Wind Direction CALM l'-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0 0.25 0.75 0 0 0 0 1 NNE 0 0 2.75: 0.5 1.5 0 0 4.75 NE 0 0.25 3 0 0 0 0 3.25 ENE 0 0.25 1.5 0 0 0 0 1.75 E 0 1.5 0.5 0 0 0 0 2 ESE 0 1.25 1 0 0 0 0 2.25 SE 0 0.25 0.25 0 0 0 0 0.5 SSE 0 0 1.25 0 0 0 0 1.25 s 0 0 0.5 1.5 0 0 0 2 SSW 0 0 0.75 0 0 0 0 0.75 SW 0 0 0.25 0 0 0 0 0.25 WSW 0 0 1 4.25 0.25 0 0 5.5 w 0 0.25 0.75 3.75 0.25 0 0 5 -WNW 0 0.25 4.75 1 0 0 0 6 NW 0 0 2.75 1 . 0.25 0 0 4 NNW 0 0 1.25 1.75 0 0 0 3 TOTAL 0 4.25 23 13.75 2.25 0 0 43.25 Page AlO of Al 7 APPE_NDIXA Kewaunee Power

Metyorologjcal Data Stability Class C Wind Speed Wind Direction CALM 1-3 4._7 . 8-12 13-18 19-24 >24 TOTAL N 0 0.25 0.25 0.75 0.5 0 0 1.75 NNE 0 0 3 0.75 0.25 0 0 4 NE 0 0 . 9 0 0 0 0 9 ENE 0 0 1.5 0 0 0 0 1.5 E 0 . 0.5 2 0 0 0 0 2.5 ESE 0 0.5 0.25 0 0 0 0 0.75 SE ' 0 1 1 0.5 0 0 0 2.5 SSE 0 0 0.5 0.5 0 0 0 1 s 0 0 1.5 l. *O 0 0 2.5 SSW 0 0 0.25 0 0 0 o. 0.25 SW 0 0.25 0.25 0.5 0 0 0 1 WSW' 0 0 1.25 2 Q.75 0 o. 4 w 0 0 0.5 -3.5 0.25 0 0 4.25 WNW 0 0.25 3.5 3 0 0 0 6.75 NW 0.25 0 1.75 2 *O 0 0 4 NNW 0 0.25 0.5 0 0 O* 1 TOTAL 0.25 3 27 14.75. 1.75 0 *o 46.75 Stability Class D Wind Speed Wind Direction CALM 4-7 .8-12 13-18 19-24 >24 TOTAL N 0 . 1 4.5 9 1.75 0 0 16.25 NNE 0 0.75 14 11 7.5 0 0 33.25 NE 0 1.75 7 1 0 0 0 9.75 ENE 0 1.75 2.75 0.25 0 0 o* 4.75 E 0 0.75 3 3.5 0.75 0 0 8 ESE 0 2.25 1 1.75 3.5 0 0 8.5 SE 0 1.5 ' 8 0 0.75 0 0 10.25 SSE 0 0.5 3.75 3 2.75 0 .o 10 s ' 0.25 0.75 7 0.75 0 0 15.5 SSW 0 :o.5 3 0.75 0 0 0 4.25 SW 0 2.5 l.5 1.75 0 0 () 5.75 WSW 0 0.25 4.5 5.5 0.25 0 ' . o* 10.5 w 0 0.75 4.75 5 0.5 \ *o 0 11 WNW 0 0.25 8 6.25 0:5 0 0 15-NW 0 0.75 3 3 0.25 0 0 7 NNW 0 1.25 4.5 1.5 1 0 0 8.25 TOTAL 0.25 17.25 80.25 60 20.25 0 0 178 Page All of Al 7 Stability Class E Wind Direction CALM N NNE NE ENE E ESE SE SSE s SSW 0.25 0 1.25 0.5 1.5 0 0.25 0.25 0 0 SW o WSW 0 w 0 WNW 0 NW 0 NNW 0 TOTAL 4 Stability Class F Wind Direction CALM N. NNE NE ENE E ESE SE SSE s SSW SW WSW w WNW NW I NNW TOTAL 0.75 0.5 . 0.25 0.5 0.25 0.75 0.25 0 0.25 0.75 0 0.25 0.25 0.25 0 0 5 APPENDIX A Power.Station 2015 Meteorological Data .l-3. 2.75 4.25 5 4.75 5.5 7.25 9 6.75 4.75 4.75 2 2 2.5 6.25 4.25 3.75 75.5 1-3 4.5 2.75 3.5 4 4 3.25 6 4:75 8.75 13.5 7 6 4.75 4.5 4.5 3 84,75 *.,*,*Wind Speed 4-T 11.25 19.75 11.75 3.75 4.5 4.75 '11 13.25 27.75 28.75 5.25 13.75 14.75 18.5 .9.5 18.5 216.75 8-t2 14.5 22.5 1.75 . 1.75 2.5 1.75 0 8.25 26.75 9.5 1.75 6.5 4.25 8 4 4.5 118.25 Wind Speed 4-7 7 9.25 9 4.25 3.25 2.5 8'.25 13.25 32.25 37.75 *8 15/75 17.75 . 9.75. 3.75 15.25 1.97 8-12 0.5 3 0.5 0 0.5 0 0 4.75 14.75 3.25 0.25 2.5 0.75 2.75 0.75 1.75 36 Page Al2 of.Al 7 13-18 1.5 5.25 0 0 0 1 0.75 1.75 2 0 0 0.75 0.25 l *O 0.*75 15 13-18 0.75 0.5 0 0 0 0 0 0.25 0.25 0 0 0 0 0.5 0 0.75 3 19-:24 0 1 0 0 0 o* 0 0 0 0 0 0 0 0 0 0 1 19.,24 0 0 0 0 0 0 0 0 -o 0 0 0 0.25 0 0.25 0 0.5 >24 0 0. o* 0 0 0 0 0 0 0 0 o* 0 0 0.25 0 0.25 TOTAL 30.25 52.75 19.75 10.75 14 s 14.75 l 21 \

i 61.25 1' 43 9 23 21.75 33.75 18 27.5 430.75 >24 TOTAL 0 13.5 0 16 0 13.25 0 8.75 0 8 0 6.5 0 14.5 0 23 0 56.25 0 55.25 0 15.25 0 -24.5 0 23.75 0 17.75 0 9.25 0 20.75 . 0 326.25 APPENDIX A Kewaunee Power Station 2015.Meteorological Data Stability Class G Wind Speed Wind Direction CALM 1-3 *4-7 8:.12 13-18 ')9-24 >24 TOTAL N 1 5 5 0.25 1.25 0.75 O* 13.25 NNE 0.5 4 3.25 1.75 0.25 .0 0 9.75 NE 1 5.5 10.75 0.5 0 0 0 17.75 ENE 0.5 1.75 2.75 0 0 0 0 5 E 0.75 4.75 3.25 1.25 0 0 0 10 ESE 0.75 ' 7 l.5 *0.75 0 0 0 10 SE 1 .8 7:75 0.75 0 0 0 17.5 SSE *0.25 15.25 77.5 33.75 . 0 0 0 126.75 s ' 0.5 27.25 105.75 65.75 0.25 0 0 199.5 SSW 0.25 57.25 39.25 0.25 0 0 0 97 SW 1 52.75 23.5 0.5 0 0 o. 77.75 WSW 1.75 36.5 54 0 0 0 0 92.25 w 1.75 23 60 0.25 0 0 0 85 WNW 0.75 20.5 31.75 0.75 0 0 0 53.75 NW 0.75 25 19 1 0 0 0 45.75 NNW 1 21.5 13 0.25 0.5 0 *o 36.25 TOTAL 13.5 . *315 458 107.75 2.25 0.75 0 897.25 Page Al3 of Al 7 APPENDIX A Kewaunee Power.Statibh2015 Meteorological Data Fourth Quarter 2015 Stability Class A Wind Speed Wind Direction; CALM 1-3 4-7 8-12 13-18 19-24

>24 TOTAL N 0 0.5 0.25 2.75 2.75 0 0 6.25 NNE 0 0 0.75 4,5 3.75 1 0 10 NE 0 *O 2.75 4.75 1 0 0 8.5 ENE 0 0.25 2.25 8 1.5 0 0 12 E 0 1.5 1.5 0.25 0.25 3.75 0 7.25 ESE o. 3.75 3.25 0 o* 0 0 7 SE 0 0.25 0.75 o.25

0 0 0 1.25 SSE 0 0 0:5 1.5 1.5 1 0 *4.5 s 0 0.25 1.5 5.75 1.25 1.5 0 10.25 SSW 0 0 6 7.5 0.75 0 0 14.25 SW 0 0.25 2 16.5 3.75 0 0 22.5 WSW 0 0.25 7.25 12 5.25 1.75 0.25* 26.75 w 0 0.5 11 20.75 15.75 0.75 0 48.75 WNW 0 0 5.5 12 10 0 0 27.5 NW 0 0.5 0.75 6.5 2.5 0 0 10.25 NNW 0 0 0.75 8.5 0.5 0 0 9.75 TOTAL 0 8 46.75 111.5 50.5 9.75 0.25 226.75 Stability Class B

Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 .* TOTAL N 0 0 0 0.5 0.5 0 0 1 NNE 0 0 0 0.25 0.25 0 0 0.5 NE 0 0 3 0.75 0 0 0 3.75 ENE 0 0 0.75 1 2 0 0 3.75 E 0 0 0 0.25 1 2.75 0 4 ESE 0 0 0.25 0.25 0 0 0 0.5 SE 0 0 0 0.25 0 0 0 0.25 SSE 0 0 0.25 0 0.25 0.25 0 0.75 s 0 0 2 4.25 0.25 0 0 6.5 SSW 0 0 4 7 0 0 0 11 SW 0 0 2.5 2.75 0.25 0 0 5.5 WSW 0 0.25 1.25 2 0.25 0.25 0.25 4.25 w 0 0.25 1.25 3.75 2.25 0 0 7.5 WNW 0 0 1.5 2.25 1.5 0 0 5.25 NW 0 0.5 0 1 0.5 0 0 2 NNW 0 0 0.5 2.75 0 0 0 3.25 TOTAL 0 1 17.25 29 9 3.25 0.25 59.75 Page Al4 of Al 7 APPENDIX A Kewaunee Power Station Data Stability Class C Wind Speed Wind Direction CALM 1-3 : 4-7. 8-J2 13-18 19-24 >24 TOTAL N 0 0 0 1 1 0 0 2 NNE 0 0 0.25 0:75 1 0 0 2 NE 0 0 '1.75 0.75 0 0 0 2.5 ... ENE 0 0 2.75 1.25 1 0 0 5 E 0 0.5 0.25 0.25 1.25 0.75 0 3 ESE 0 0.25 ., 1 0.5 0 0 0 1.75 SE 0 0 0.5 1.75 0.25 0 0 2.5 SSE 0 ' 0 0.25 0.25 0 0.25 o. 0.75 s 0 0:75 2.75 0.25 0.75 0 6.75 SSW 0 0.25 4.25 4.75 0.5 0 o. 9.75 SW 0 0 2 2 0 0 o. 4 WSW 0 0.25 0.5 2.25 0.5 0 0 3.5 w 0 0:75 1.5 2.25 2.5 0 0 7 WNW 0 0.75 2.75 1.5 3.5 ' 0 0 8.5 NW 0 .o 0.25 0 0.25 0 0 0.5 NNW 0 '0 :0.5 3.75 0 0 0 " 4.25 TOTAL *o 35 20.75 25.75 12 1.75 0 63.75 Stability Class D Wind Speed Wind Direction CALM 1-3 4-7 8-12 13-18 19,..24 >24 TOTAL N 0 0.75 5:75 19.25 2.5 0 0 28.25 NNE 0 0 3:75 7.75 5.75 ' 0.25 0 17.5 NE 0 0.25 5.5 2.75 6.25 , 3.75 0.5 19 ENE 0 1.25 8.5 8.5 5.5 2.75 0.25 26.75 E 0 4 6.5 18 13.25 3.25 O* 45 ESE 0.25 2.75 6 5 1.5 . 3.5 0.25 19.25 SE' 0 0.25 3 ' 8 7.5 **2.75 0.5 ' 22 SSE 0 *o 2 -4.75 10.25 7.75 o; ... 24.75 s* 0 0.25 8 18 4 2 0.25 32.5 SSW 0 0.75 20.25 16 0.75 0 0 37.75 SW 0 0.5 6.75 . 5.5 3.75 0 o* 16.5 WSW 0 *3.75 4.25 12.75 7.5 2.25 0.5 31 w 0 2.5 9.75 19.75 11 0.75 0 43.75 WNW 0 2.25 5.75 10.25 11 0 0 29.25 NW' 0 1.25 7 3 0.5 0 0 11.75 NNW *o 0.75 13 23.5 4.25 0 0 41.5 TOTAL 0.25 2L25 115.75 182.75 95.25 29 2.25 446.5 Page A15 of Al 7 Stability Class E Wind Direction CALM N 0 NNE 0 NE 0.25 ENE 0 E: 0.25 ESE 0 SE 0.25 SSE 0 s 0.25 SSW 0 SW 0.25 WSW 0.25 w 0 WNW ' 0.25 NW 0.25 NNW 0.25 TOTAL 2.25 Stability Class F Wind Direction CALM N 0.25 NNE 0 NE 0 ENE 0.25 E 0 ESE 0.25 SE > 0.25 SSE 0 s ' 0 SSW 0 SW 0 WSW. .o w 0 WNW 0.25 NW 0 NNW 0 TOTAL 1.25 APPENDlXA Kewaunee 'Power$tation 2015 Data * * * -Wind Speed 1-3 ' . 4-7 '8-12 I ,' 7.25 17.75 0.75 . 8.5 7.25 1.5 4 '1.5 0.25 ' 3.75 5 0.5 6.5 7.5 0.75 3.5 5 ' 0.5 '4.25 7.25 1.25 7.75 16.2'5 3.5 . 31.75 28.25 7.5 60.5 33 *5.75 25'.25 15.75 7.5 > 17.5 38.75 11 18.75 44:25 3.75 22.75 23.25 7.5 12.25 16 3.5 > 17.5 8.5 56.5 251.75 275.25 Wind Speed 1-3 4-7 8-12 ' 1 1.25 *O 1.5 0.75 1.5 1 10.75 0 > 1.5 4.25 0.5 ' 1.25 1.5 1.75 1 1 1.25 0.5 2.75 2.75 3 15.75 20.5 4 17.75 5.25 6.75 -22.5 2.75 4.25 8.5 1 7 11.25 7.5 6.5 17.25 4.5 7.25 33 2.25 5.75 8 1.5 2 6.25 0.75 54.25 162.5 53.75 Page A16 of Al 7 13-18 : 10 5.5 0.5 4.5 3 1 *1.75 12 9.5 0.5 6 27 14 11.25 1.25 1.5 109.25 13-18 0 0 0 0 0 0.25 1.25 9.75 3.5 0 0.25 0 0 0 0.25 0 15.25 19-24 >24 TOTAL 0 0 36 0 0 22 0 0 7.75 0.25 0 13.75 0 0. 17.75 0.25 0 10.5 .l 0.5 0 14.5 5 0.25 42.5 2.5 0 75.75 0 0 101.5 . 0.25 0 53.25 5.75 2 98.75 1 o. 89 0 0 61.25 0.25 0 37.5 0 0 31.25 15.75 2.25 713 19-24 >24 TOTAL 0 0 2.5 0 0 3.75 0 0 11.75 0 0 6.5 0 0 4.5 0 0 3.75 0 0 7.5 2.5 0.25 51.75 0.25 0 30.75 0 o. 32 0 0 14 0.25 0 26 0 0 28.25 0 0 42.75 0 0 15.5 0 0 9 3 0.25 290.25 ( ___ r

'APPENDIX A Kewaunee Power Station 2015 Meteorological Data Stability Class G WirtdSpeed Wind Direction CALM 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 0.25 1.75 0.75 *o 0 0 0 2.75 NNE 0 1 0 .0.25 *2 0.25 0 3.5 NE 0.25 0:25 1.25 0 0 0 0 1.75 ENE 0.25 0.25 1.25 0 0 0 O* 1.75 E 0.25 0.5 0 1.5 0 0 0 2.25 ESE 0 0.5 0 0.25 1 0 0 1.75 SE 0

o*.5 0.5 0.75 1.5 0 0 3.25 SSE 0 1 18.5 13 3 0 0 35.5 s 0.25 6.75 15.75 6.5 0.75 0 0 30 SSW 0.25 11.5 29.25 0 0 0 0 41 SW 0 10.75 27.25 ' 1.25 0 0 0 39.25 WSW 0.25 9 46.25 5.5 0 0 0 61 w 0.25 2.5 28.75 2.25 0 0 0 33.75 WNW 0 3 18.25 0.5 0 0 0 21.75 NW 0 5 9.5 0 0 0 o* 14.5 NNW 0 1.5 7.25 0 0 0 0 8.75 TOTAL 2 55.75 204.5 31.75 *8.25 0.25 0 302.5 ., r I [ PageA17ofA17

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