AEP-NRC-2015-34, 2014 Annual Radioactive Effluent Release Report

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2014 Annual Radioactive Effluent Release Report
ML15121A768
Person / Time
Site: Cook  American Electric Power icon.png
Issue date: 04/28/2015
From: Scarpello M
Indiana Michigan Power Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
AEP-NRC-2015-34
Download: ML15121A768 (66)
v • d • e


Text

INDIANA Indiana Michigan Power MICHIGAN Cook Nuclear Plant

This letter contains no new or modified regulatory commitments. Should you have any questions, please contact me at (269) 466-2649.

Sincerely Michael K. Scarpello Regulatory Affairs Manager TLC/amp

Enclosure:

Donald C. Cook Nuclear Plant Units 1 and 2 2014 Annual Radioactive Effluent Release Report c: A. W. Dietrich, NRC Washington, D.C.

J. T. King - MPSC MDEQ - RMD/RPS NRC Resident Inspector C. D. Pederson, NRC Region III A. J. Williamson, AEP Ft. Wayne, w/o enclosures

ENCLOSURE to AEP-NRC-2015-34 DONALD C. COOK NUCLEAR PLANT UNITS 1 AND 2 2014 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT

TABLE OF CONTENTS Page Table of Contents i I. Introduction I II. Radioactive Releases and Radiological Impact on Man 1 Liquid Releases 2 Gaseous Releases 2 Solid Waste Disposition 2 III. Meteorological 3 IV. Offsite Dose Calculation Manual (ODCM) Changes 3 V. Total Dose 3 VI. Radiation Monitors Inoperable Greater Than 30 Days 4 VII. Noteworthy Conditions Identified in 2014 4 VIII. Conclusion 5 LIST OF APPENDICES Appendix Title AL.I 2014 Effluent and Waste Disposal Annual Report - Supplemental Information A1.2 Summary of Maximum Individual Doses: First Quarter, Second Quarter.,

Third Quarter, and Fourth Quarter 2014 A1.3 2014 Groundwater Protection Initiative (GPI) Sample Data A2.1 Hours at Each Wind Speed and Direction: First Quarter, 2014 A2.2 Hours at Each Wind Speed and Direction: Second Quarter, 2014 A2.3 Hours at Each Wind Speed and Direction: Third Quarter, 2014 A2.4 Hours at Each Wind Speed and Direction: Fourth Quarter, 2014 A3.0 Offsite Dose Calculation Manual (ODCM) Changes i

INTRODUCTION This report discusses the radioactive discharges from Unit 1 and Unit 2 of the Donald C. Cook Nuclear Plant (CNP) during 2014. This is in accordance with the requirements of CNP Technical Specification (TS) 5.6.3.

The table below summarizes the pertinent statistics concerning the Plant's operation during the period from January 1, 2014, to December 31, 2014. The data in this table and the descriptive information on plant operation are based upon the respective unit's Monthly Operating Reports, Performance Indicators and Control Room Logs for 2014.

Parameter Unit 1 Unit 2 Gross Electrical Energy Generation 8,574,834 9,631,872 (Megawatt Hour (MWH))

Unit Service Factor 91.0 97.1 (Percent (%))

Unit Capacity Factor 92.0 99.0 (Maximum Dependable Capacity (MDC)) Net (%)

Unit 1 entered the reporting period in Mode 1 at Nominal Full Power (NFP). Small power adjustments were made to facilitate main turbine valve testing throughout the year.

The unit performed a normal downpower and was manually tripped on September 24, 2014, entering the refueling outage U1C26. The unit attained criticality on October 23, 2014 and attained NFP on October 27, 2014. On November 1, 2014, a manual trip of the reactor was performed due to degraded cooling water intake conditions caused by severe weather. The unit attained criticality on November 3, 2014 and attained NFP on November 7, 2014. The unit exited the reporting period at NFP.

Unit 2 entered the reporting period in Mode 1 at NFP. Small power adjustments were made to facilitate main turbine valve testing throughout the year. The unit commenced a normal planned downpower to 25% on July 11, 2014 to support online maintenance work. The unit returned to NFP on July 15, 2014. On November 1, 2014, a manual trip of the reactor was performed due to degraded cooling water intake conditions caused by severe weather. The unit attained criticality on November 10, 2014 and attained NFP on November 13, 2014. The unit exited the reporting period at NFP.

II. RADIOACTIVE RELEASES AND RADIOLOGICAL IMPACT ON MAN Since a number of release points are common to both units, the release data from both units are combined to form this two-unit, Annual Radioactive Effluent Release Report.

Appendix ALI.1 through A2.4 of this report present the information in accordance with Section 5.6.3 of Appendix A to the Facility Operating Licenses, as specified in the Technical Specifications, Regulatory Guide 1.21, and 10 CFR Part 50, Appendix I.

The "MIDAS System" is a computer code that calculates doses due to radionuclides that were released from the CNP.

I

All liquid and gaseous releases were well within Offsite Dose Calculation Manual (ODCM) limits and federal limits.

There were no abnormal liquid releases and no abnormal gaseous releases in 2014.

The Independent Spent Fuel Storage Installation (ISFSI) impacts are included with Unit I and Unit 2 statistics. The ISFSI cask system does not create any radioactive materials or have any radioactive waste treatment systems. Therefore, specific operating procedures for the control of radioactive effluents are not required. Specification 3.1.1, Multi-Purpose Canister (MPC), provides assurance that there are not radioactive effluents from the ISFSI.

Liquid Releases During 2014 there were 71 liquid batch releases performed. The number of liquid batch releases for the four quarters in 2014 was 10, 10, 22, and 29, respectively.

Estimated doses (in mrem) to maximally exposed individuals via the liquid release pathways are given in Appendix A1.2 of this report.

Gaseous Releases During the first quarter of 2014 there were two batch releases from Gas Decay Tanks (GDT) and 90 Containment Pressure Reliefs (CPR). During the second quarter there were 109 CPR. During the third quarter there were five batch releases from GDTs, one containment purge, and 108 CPR. During the fourth quarter there were two batch releases from GDTs and 104 CPR. The CPR continue to be listed as batch releases as described in Nuclear Regulatory Commnission Inspections 50-315/89017 (DRSS); 50-316/89016 (DRSS) for CNP, dated June 13, 1989. Doses continue to be calculated utilizing continuous criteria as allowed by NUREG-0133. There were a total of nine GDT releases, one containment purge, and 411 CPR gaseous batch releases made during 2014.

In calculating the dose consequences for continuous and batch gaseous releases during 2014, the meteorological data measured at the time of the release were used.

The estimated doses (in mrem) to maximally exposed individuals via the gaseous release pathways are given in Appendix A1.2 of this report. For individuals that are within the site boundary, the occupancy time is sufficiently low to compensate for any increase in the atmospheric diffusion factor above that for the site boundary.

Solid Waste Disposition There were 31 shipments of radioactive waste made during 2014. These included shipments made from the site to various radioactive waste processors for ultimate disposal.

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III. METEOROLOGICAL Appendices A2.1, A2.2, A2.3, and A2.4 of this report contain the cumulative joint frequency distribution tables of wind speed and wind direction, corresponding to the various atmospheric stability classes for the first, second, third and fourth quarters of 2014. Hourly meteorological data is available for review and/or inspection upon request.

IV. OFFSITE DOSE CALCULATION MANUAL (ODCM) CHANGES The ODCM, PMP-601 0-OSD-001, was not revised during the report period.

V. TOTAL DOSE Section 3.2.5 of the ODCM requires that the dose or dose commitment to a real individual from all uranium fuel cycle sources in Berrien County be limited to no more than 25 mrem to the total body or any organ (except the thyroid, which is limited to no more than 75 mrem) over a period of 12 consecutive months to show conformance with the requirements of 40 CFR Part 190. The maximum cumulative dose to an individual from liquid and gaseous effluents during 2014 was well within the ODCM limits. Measurements using thermoluminescent dosimeters (TLD) at 12 onsite stations indicate that the dose due to direct radiation is consistent with preoperational and current control (background) levels.

This is fully evaluated in CNP's 2014 Annual Radiological Environmental Operating Report. Additional TLD dosimetry installed by Radiation Protection department programs monitor dose received by individuals on site as visitors.

The annual dose to the maximum individual will be estimated by first, summing the quarterly total body air dose, the quarterly skin air dose, the quarterly critical organ dose from iodines and particulates (I&P), the quarterly total body dose from liquid effluents, the quarterly critical organ dose from liquid effluents, and the Radiological Environmental Monitoring Program onsite direct radiation TLD data. These quarterly values are summed with the annual Carbon-14 dose and compared to the annual total body limit for conservative reasons. The table that follows here represents the above written description:

Dose (mrem) 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr I &P 1.02E-02 1.37E-02 3.27E-02 1.28E-02 Total Body Air 3.1OE-04 5.30E-04 1.70E-03 1.70E-04 Skin 5.1OE-04 8.60E-04 3.30E-03 2.80E-04 Liquid TB 2.80E-03 1.OOE-02 2.87E-02 2.44E-02 Liquid Organ 2.80E-03 1.OOE-02 2.87E-02 2.44E-02 C14 (Annual) 2.38E+00 Direct Radiation 0 0 0 0 Total 1.66E-02 3.51 E-02 9.51 E-02 2.44E+00 Grand Total Dose (Total Body or any other Organ) mrem 2.59E+00 Annual Dose Limit (mrem) 25 Percent of limit 1.04E+01 3

The following data reflects a comparison with 2009 annual dose data (the last year without calculating C-14 dose), 2014 annual dose data, and 2014 annual dose data with C-14 added.

This indicates that 2014 was a 'normal' single unit outage year with respect to radioactive effluents and allows for easier comparison. The table is presented as follows:

Annual Dose (mrem)  % of limit 2009 2.60E-01 1.04 2014 2.09E-01 0.84 2014 with C-14 2.59 10.4 VI. RADIATION MONITORS INOPERABLE GREATER THAN 30 DAYS There were no release pathways unmonitored for greater than 30 days.

VII. NOTEWORTHY CONDITIONS IDENTIFIED IN 2014 There were no new noteworthy conditions identified in 2014. The past year did however validate the successful repairs of the CNP 60-Meter Meteorological Tower as previously discussed in the 2012 and 2013 Annual Radiological Effluent Release Reports.

During the Fourth Quarter of 2012, an intermittent fault was identified on the CNP 60-Meter Meteorological Tower that resulted in a large number of invalid data hours collected.

A Condition Report (2012-2305) was initiated and repair work performed. The issue appeared to be a connection to the Delta Temperature instrumentation. Repairs yielded better data collection results in December 2012, however the intermittent fault returned and the system yielded additional invalid data hours during the First and Second Quarters of 2013. Additional repair work was performed when conditions allowed for safe work on the tower, and this resulted in the problem being positively identified as cabling fault grounding out the 10 Meter Delta Temperature instrumentation on the Main 60-Meter Tower. The repairs on the cable and instrumentation were successftil at eliminating the intermittent fault and data collection has returned to near 100% valid hours. This issue is now considered corrected and closed.

Carbon-14 Supplemental Information for the 2014 Annual Radioactive Effluent Release Report.

C-14 has a 5730 year half-life and is a naturally occurring radionuclide produced by cosmic ray interactions in the atmosphere. C-14 is a relatively low energy beta emitter. Nuclear weapons testing in the 1950s and 1960s significantly increased the amount of C-14 in the atmosphere. C-14 is also produced in commercial nuclear reactors, but the amounts produced are much less than those produced naturally, from weapons testing, or coal burning power plants. The inventory of C-14 in Earth's biosphere is about 300 million Curies, of which most is in the oceans.

Since the U.S. Nuclear Regulatory Commission (NRC) published Regulatory Guide (RG) 1.21, Revision 1, in 1974, the analytical methods for determining C-14 have improved.

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Coincidentally, the radioactive effluents from commercial nuclear power plants over the samne period have decreased to the point that C-14 is likely to be a principal radionuclide in gaseous effluents. Based on these reasons and a desire to adjust policy to align with international standards, the nuclear industry was required to report, starting in 2010, the quantity and dose impact of C-14 here in the United States. The dose will be reported both with and without C- 14 so a comparison to 2009 can be made, keeping in mind the differing standards.

The quantity of C-14 released to the environment can be estimated by use of a C-14 source term scaling factor based on power generation (Ref. RG 1.21, Revision 2). A recent study recommends a source term scaling factor of approximately 9.0 to 9.8 Curies/GWe-yr for a Westinghouse Pressurized Water Reactor (Ref. EPRI 1021106 "Estimation of Carbon- 14 in Nuclear Plant Gaseous Effluents" December 23, 2010). A scaling factor of 9.4 Curies/GWe-yr was assumed for this report. Using this source term scaling factor and actual electrical generation (in MWH) produced during 2014 results in a site total of 19.54 Curies produced.

C-14 releases from PWRs occur primarily as a mix of organic carbon (methane) and inorganic carbon (carbon dioxide). As a general rule, C-14 in the primary coolant is essentially all organic with a large fraction as gas. Any time the primary coolant is exposed to an oxidizing environment (during shutdown or refueling), a slow transformation from an organic to an inorganic species occurs. Various studies documenting measured C-14 releases from PWRs suggest an average 80% organic fraction with the remainder being carbon dioxide. This equates to 3.91 Curies released as carbon dioxide which is available for the food pathway through photosynthesis to vegetation.

Dose is calculated utilizing the methodology prescribed in RG 1.109, Appendix C with the vegetation dose being the most predominant. A 'p' factor of 0.33 is determined utilizing the 185 hours0.00214 days <br />0.0514 hours <br />3.058862e-4 weeks <br />7.03925e-5 months <br /> of batch gaseous releases performed during 2014 and the assumption that 70% of the C- 14 released is from gaseous batch releases. A further reduction to the vegetation and leafy vegetable dose is warranted due to the limited growing season in Michigan, which was conservatively limited to nine months.

The final results indicated a calculated organ dose from C-14 to a child at the site boundary of 1.88 mrem to the bone and a whole body dose of 0.499 mrem, for a combined total C-14 dose of 2.38 mrem. This is less than the dose limit of 15 mreml/unit to any organ prescribed in 10 CFR 50, Appendix I, and the 40 CFR Part 190 limit of 25 mrem for total body and for any organ ( <75 rmrem for thyroid).

VIII. CONCLUSION Based on the information presented in this report, it is concluded that CNP Units I and 2 performed their intended design function with no demonstrable adverse effect on the health and safety of the general public.

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2014 Effluent and Waste Disposal Annual Report SUPPLEMENTAL INFORMATION Facility: Donald C. Cook Nuclear Plant Licensee: Indiana Michigan Power Company 1 REGULATORY LIMITS 1.1 Noble Gases The air dose in unrestricted areas due to noble gases released in gaseous effluents shall be limited to the following:

1.1.1 During any calendar quarter, to

  • 5 mrad/unit for gamma radiation and
  • 10 mrad/unit for beta radiation.

1.1.2 During any calendar year, to

  • 10 mrad/unit for gamma radiation and
  • 20 mrad/unit for beta radiation.

1.2 Iodines - Particulates The dose to a member of the public from radioiodines, radioactive materials in particulate form, and radionuclides other than noble gases with half-lives greater than eight days in gaseous effluents released to unrestricted areas shall be limited to the following:

1.2.1 During any calendar quarter to

  • 7.5 mrem/unit to any organ.

1.2.2 During any calendar year to

  • 15 mrem/unit to any organ.

1.3 Liquid Effluents The dose or dose commitment to an individual from radioactive material in liquid effluents released to unrestricted areas shall be limited:

1.3.1 During any calendar quarter to

  • 1.5 mrem/unit to the total body and to
  • 5 mrem/unit to any organ.

1.3.2 During any calendar year to

  • 3 mrem/unit to the total body and to
  • 10 mrem/unit to any organ.

A1 .1-1

2014 Effluent and Waste Disposal Annual Report 1.4 Total Dose The dose or dose commitment to a real individual from all uranium fuel cycle sources is limited to

  • 25 mrem to the total body or any organ (except the thyroid, which is limited to
  • 75 mrem) over a period of 12 consecutive months.

2 MAXIMUM PERMISSIBLE CONCENTRATIONS 2.1 Gaseous Effluents The dose rate due to radioactive materials released in gaseous effluents from the site shall be limited to the following:

2.1.1 For noble gases:

  • 500 mrem/yr to the total body and

< 3000 mrem/yr to the skin.

2.1.2 For all radioiodines and for all radioactive materials in particulate form and radionuclides (other than noble gases) with half-lives greater than eight days:

  • 1500 mrem/yr to any organ.

The above limits are provided to insure that radioactive material discharged in gaseous effluents will not result in the exposure of an individual in an unrestricted area to annual average concentrations exceeding the limits in 10 CFR Part 20, Appendix B, Table 2, Column 1.

2.2 Liquid Effluents The concentration of radioactive material released at any time from the site to unrestricted areas shall be limited to the concentrations specified in 10 CFR Part 20, Appendix B, Table 2, Column 2, for radionuclides other than dissolved or entrained noble gases. For dissolved or entrained noble gases, the concentration shall be limited to 2 x 10-4 jCi/ml total activity.

Al. 1-2

2014 Effluent and Waste Disposal Annual Report 3 AVERAGE ENERGY The average energy (E) of the radionuclide mixture in releases of fission and activation gases as defined in Regulatory Guide 1.21, Appendix B, Section A.3 is not applicable because the limits used for gaseous releases are based on calculated dose to members of the public. Release rates are calculated using an isotopic mix from actual samples rather than average energy.

4 MEASUREMENTS and APPROXIMATIONS of TOTAL RADIOACTIVITY 4.1 Fission and Activation Gases Sampled and analyzed on an 8192 channel analyzer and HpGe detector. Tritium analysis is performed using liquid scintillation counters.

4.2 Iodines Sampled on iodine adsorbing media, and analyzed on an 8192 channel analyzer and HpGe detector.

4.3 Particulates Sampled on a glass filter and analyzed on an 8192 channel analyzer and HpGe detector. Sr-89 and Sr-90 analyses are performed by offsite vendor.

4.4 Liquid Effluents Sampled and analyzed on an 8192 channel analyzer and HpGe detector. Tritium analysis is performed using liquid scintillation counters. Fe-55, Sr-89 and Sr-90 analyses are performed by an offsite vendor. Ni-63 is also currently being analyzed by the offsite vendor in response to evaluation of the 10 CFR 61 sample results.

Al.1-3

2014 Effluent and Waste Disposal Annual Report 5 BATCH RELEASES 5.1 Liquid 5.1.1 Number of batch releases:

10 releases in the 1 st quarter, 2014 10 releases in the 2 nd quarter, 2014 22 releases in the 3 rd quarter, 2014 29 releases in the 4 th quarter, 2014 5.1.2 Total time period for batch releases:

53,606 minutes 5.1.3 Maximum time for a batch release:

1,655 minutes 5.1.4 Average time period for batch release:

755 minutes 5.1.5 Minimum time period for a batch release:

164 minutes 5.1.6 Average stream flow during periods of release of effluent into a flowing stream:

7.13E+5 gpm circulating water Al. 1-4

2014 Effluent and Waste Disposal Annual Report 5.2 Gaseous 5.2.1 Number of batch releases:

92 releases in the 1st quarter, 2014 109 releases in the 2 nd quarter, 2014 114 releases in the 3 rd quarter, 2014 106 releases in the 4 th quarter, 2014 5.2.2 Total time period for batch releases:

11,090 minutes 5.2.3 Maximum time for a batch release:

355 minutes 5.2.4 Average time period for batch release:

26 minutes 5.2.5 Minimum time period for a batch release:

5 minutes Al. 1-5

2014 Effluent and Waste Disposal Annual Report 6 ABNORMAL RELEASES 6.1 Liquid 6.1.1 Number of Releases:

1 st Quarter 2nd Quarter 3 d Quarter 4th Quarter 0 0 0 0 6.1.2 Total activity released (Ci):

1 St Quarter 2nd Quarter 3rd Quarter 4th Quarter 0 0 0 0 6.2 Gaseous 6.2.1 Number of Releases:

1 st Quarter 2 Quarter 3rd Quarter 4 h Quarter 0 0 0 0 6.2.2 Total activity released (Ci):

1 st Quarter 2nd Quarter 3 d Quarter 4th Quarter 0 0 0 0 Al. 1-6

2014 EFFLUENT AND WASTE DISPOSAL ANNUAL REPORT GASEOUS EFFLUENTS-GROUND LEVEL RELEASES CONTINUOUS MODE INuclides Releasedi Unit Ist Quarter! 2nd Quarter! 3rd Quarterl 4th Quarter)

1. FISSION GASES I I I H3 Ci 2.57E+01 j 1.85E+01 1.75E+01 2.33E+01 XEI35m Ci I --------- ----- I---------

IKESS5 I Ci I --------- --------

I-I-----I--------- I XEI31m Ci I---------I-------------------I XE133m I Ci I---------I---------I---------I XE133 Ci I---------I 1.90E-05 XE135 j Ci I---------I---------I---------I Total for Period Ci 2.57E+01 j 1.85E+01 1.75E+01 2.33E+01

12. IODINES I I I I 1131 Ci 3.91E-10 I 7.32E-06 1132 Ci I------------------ -

1133 Ci -- -------- -

Total for Period Ci I 3.91E-10 I 7.32E-06

13. PARTICULATES I I I MN54 Ci -I--------I---------I Co60 Ci I---------I---------I---------I---------I CS137 Ci I---------I---------I Total for Period Ci j----------I- -------- II
  • DENOTES SUPPLEMENTAL ISOTOPES A1.1-7

2014 EFFLUENT AND WASTE DISPOSAL ANNUAL REPORT GASEOUS EFFLUENTS-GROUND LEVEL RELEASES BATCH MODE INuclides Releasedt Unit Ist Quarterl 2nd Quarterl 3rd Quarterj 4th Quarterl I. FISSION GASES I I I I H3 Ci j 2.37E-02 2.95E-02 5.45E-02 3.20E-07 AR41 Ci 3.58E-01 3.60E-01 4.53E-01 1.55E-01 KR85 Ci j 3.18E-01 9.81E-01 2.45E-01 XE131M Ci I---------I---------I---------I XE133M I Ci -- -------- I---------I---------I XE133 Ci 5.87E-02 7.53E-02 1.17E-01 1.46E-03 XE135 Ci I-----------8.11E-07 2.56E-05 Total for Period Ci I 7.58E-01 4.65E-01 1.61E+00 4.01E-01

12. IODINES I I I I 1131 Ci I ------------------------- I 1133 Ci I---------I---------I---------I Total for Period Ci j --------------------- ----- I---------
  • BR80 Ci ---------------------------- ----- I---------
  • BR82 Ci --------------------------- I -.-----

Total for Period Ci ---------------------------- ----- I---------

  • DENOTES SUPPLEMENTAL ISOTOPES Al.I1-8

2014 EFFLUENT AND WASTE DISPOSAL ANNUAL REPORT GASEOUS EFFLUENTS-SUMMATION OF ALL RELEASES lUnits lst 2nd 3rd I4th lEst. I I Quarter I Quarter I Quarter I Quarter Total SI I I I Error,%I IA.IFISSION AND I I ACTIVATION GASES I Il.ITotal Release Ci 7.35E-011 4.35E-011 1.55E+001 4.01E-011 11.5 1 12.jAverage release luCi/secI 9.45E-021 5.54E-021 1.95E-011 5.05E-021 I I irate for period I I I I I 13.IPercent of 1% Gammal 1.03E-021 1.80E-021 6.02E-021 5.54E-031 I I applicable limit* Beta 6.12E-031 3.35E-031 3.90E-021 3.19E-031 I IB.IIODINES I I I I I i.ITotal 1-131 Ci 3.91E-1I 0.OOE+001 0.OOE+00I 7.32E-06l 18.9

2. Average release luCi/secI 5.03E-11I 0.OOE+00I 0.OOE+00I 9.21E-071 Irate for period I I I I I 3.IPercent of  % 1.43E-101 0.OOE+00I 0.OOE+00I 2.62E-061 I japplicable limit*I I I I I I I IC. IPARTICULATES I I I I I
l. lParticulates withj Ci 0.OOE+00I 0.OOE+00I 0.OOE+00 0.OOE+00I N/A I Ihalf lives>8 daysi I I I I I 12.jAverage release luCi/seci 0.OOE+00I 0.OOE+00I 0.OOE+00I 0.OOE+00I I irate for period I I I I I I I 13.IPercent of I I 0.OOE+00I 0.OOE+00I 0.OOE+00I 0.OOE+00I I I applicable limit*I I I I I I I 14.IGross alpha Ci I<7.06E-071<6.46E-071<7.67E-071<8.46E-071 I I radioactivity I I I I I I I ID.ITRITIUM I Il.ITotal Release Ci I 2.57E+011 1.85E+0l1 1.75E+011 2.33E+011 13.7 12.IAverage release luCi/secl 3.31E+001 2.36E+001 2.20E+001 2.93E+00I I I Irate for period I I I I I I 13.IPercent of I 1.89E-021 1.34E-021 1.26E-021 1.67E-021 I I applicable limit*1 I I I
  • Applicable limits are expressed in terms of dose. See Appendices A1.2-1 through A1.2-4 Al. 1-9

2014 EFFLUENT AND WASTE DISPOSAL ANNUAL REPORT LIQUID EFFLUENTS CONTINUOUS MODE Nuclides Released! Unit Ist Quarter! 2nd Quarter! 3rd Quarterj 4th Quarter!

H3 I Ci 7.26E-02 I 2.02E-02 I 1.25E-02 8.13E-02 CS137 I Ci I--------I---------I BATCH MODE INuclides Releasedj Unit I 1st Quarter! 2nd Quarterl 3rd Quarter! 4th Quarter!

H3 I I Ci 1.03E+02 3.85E+02 1.11E+03 7.29E+02 CR51 Ci I---------I---------I MN54 I Ci I---------!--------- 1.46E-06 FE55 I Ci I---------F---------!---------I C058 1 Ci I 4.52E-05 3.29E-05 I 3.98E-05 1.53E-04 CO60 I Ci I 4.41E-05 5.70E-05 I 1.66E-04 I 7.87E-05 NI63  ! Ci  !---------!--------!--------

  • KR85 Ci I---------!---------F---------I ZR95 Ci F---------!--------!--------

NB95 I Ci F---------!---------I---------I MO99  ! Ci  !------------------

TC9m I Ci I---------!-0--------!---------! ---- 7 AGII~m !Ci !8.81E-06  ! 1.43E-05 !1.58E-04 I4.23E-05

  • XE31m Ci I---------!---------!---------I SB125  ! Ci F 2.20E-06  ! --------- 2.79E-05 F 5.08E-06 C134 I Ci -- --------  !---------I CS137 !Ci !7.93E-07 F8.51E-07 I2.25E-06!
  • XE35 I Ci I---------F---------F---------I I1131  ! Ci F---------!--------!--------
  • XE133 I Ci I----05 1.76E-04 4.65E-05
  • XEl33m I Ci I---------F---------F---------I
  • DENOTES SUPPLEMENTAL ISOTOPES AlI.1-10

2014 EFFLUENT AND WASTE DISPOSAL ANNUAL REPORT LIQUID EFFLUENTS-SUMMATION OF ALL RELEASES BATCH MODE I Units 1st 2nd 3rd 4th lEst. I I Quarter Quarter I Quarter I Quarter ITotal I FError,%I I IA.IFISSION AND I I I I ACTIVATION I I I I IPRODUCTS I I I Il. Total Release I Ci 1.01E-041 1.05E-041 3.96E-041 2.80E-041 12.4

2. Average diluted IuCi/ml I 1.44E-111 4.79E-121 6.24E-121 5.35E-121 I I concentration I I I I I I I I Iduring period I F I I I I 13.IPercent of  % 2.74E-041 1.09E-041 1.37E-04j 7.86E-05I I I applicable limit I F F I I I I FB.ITRITIUM I I I F I I I II. Total Release I Ci j 1.03E+021 3.86E+021 1.11E+031 7.29E+021 10.1 F 12.FAverage diluted FuCi/ml F 1.47E-05[ 1.76E-051 1.75E-051 1.39E-051 I I Fconcentration F F F F F F during period F F F F F F3. Percent of  % F 1.47E+001 1.76E+001 1.75E+001 1.39E+001 F F applicable limit F F F F F F F IC.FDISSOLVED AND I F F F F F F I FENTRAINED GASES I F F 1. F 1 F Il.ITotal Release I Ci F--------F-------- 1.76E-041 4.65E-051 13.0 1
12. Average diluted luCi/ml F---------------F.2.77E-121 8.88E-131 F concentration F I during period F

13.1Percent of I -------- -------- 1.39E-061 4.44E-07 I Japplicable limit F I I I I I ID. IGROSS ALPHA F Ci F<5.85E-05c<5.85E-05c<1.29E-04I<1.70E-04F N/A SIRADIOACTIVITY I I I I I I ITOTAL RELEASE F F F F F IE.IVOLUME OF WASTE F Litersl 6.09E+051 6.09E+051 1.34E+06 1.77E+061 2.00 F F IRELEASED F F F F F F F IF.IVOLUME OF F Litersl 7.04E+091 2.19E+10 6.34E+101 5.23E+l01 3.48 F I IDILUTION WATER I I FUSED DURING F I IPERIOD F A1.1-11

2014 EFFLUENT AND WASTE DISPOSAL ANNUAL REPORT LIQUID EFFLUENTS-SUMMATION OF ALL RELEASES CONTINUOUS MODE I Units 1st I 2nd 3rd 4th lEst.

I Quarter I Quarter I Quarter I Quarter ITotal II I I I Error,%

IA.IFISSION AND I I I I I I I ACTIVATION I I I I I I I I PRODUCTS I I I I I I I Ii. Total Release I Ci j 0.OOE+00I 0.OOE+00I 0.OOE+00I 0.OOE+00I N/A I 2.jAverage diluted luCi/ml I 0.OOE+00I 0.OOE+00I 0.00E+001 0.OOE+00I I concentration I I I I I I I I during period I I I I I I I I3.IPercent of  % 0.00E+001 0.OOE+00I 0.OOE+00I 0.OOE+00I I applicable limit I I I I I I BB.ITRITIUM I I I I I I I Il.ITotal Release I Ci 7.26E-02l 2.02E-02l 1.25E-02I 8.13E-071 22.2

2. Average diluted juCi/ml I 1.08E-10I 3.77E-1I 1.57E-I1 4.93E-121 I I concentration I I I I I I I I during period I I I I I I I 13.IPercent of  % I 1.08E-031 3.77E-041 1.57E-041 4.93E-051 I Iapplicable limit I I I I I I IC.IDISSOLVED AND I I I ENTRAINED GASES I I il.ITotal Release I Ci I 0.OOE+00j 0.OOE+00I 0.OOE+00I 0.OOE+00I N/A
12. Average diluted IuCi/ml I 0.OOE+00I 0.OOE+00I 0.OOE+00I 0.OOE+00I I I concentration I I I I I I I Iduring period I I I I I I 13.lPercent of  % 0.OOE+00I 0.OOE+00I 0.OOE+00I 0.OOE+00I I I applicable limit I I I I I ID. GROSS ALPHA Ci 0.OOE+00I 0.OOE+00I 0.OOE+00I<5.08E-051 N/A I I RADIOACTIVITY I I I I I I I I ITOTAL RELEASE I I I I I I IE.IVOLUME OF WASTE Litersi 2.29E+061 4.81E+06I 3.08E+061 0.OOE+00I 2.00 IRELEASED I I I I I I I IF. IVOLUME OF I Litersi 7.07E+1I S.36E+II 7.95E+111 1.65E+081 3.48 IDILUTION WATER I I IUSED DURING I I PERIOD I Al.1-12

2014 Effluent and Waste Disposal Annual Report Solid Waste and Irradiated Fuel Shipments Solid Waste Shipped Offsite for Burial or Disposal

1) Type of Waste Unit Estimated amount Estimated Total Error, %

a) Spent resins, filters, sludge, m3 3.98E+01 1.OOE+00 evaporator bottoms, etc. Curies 2.82E+02 3.75E+00 b) Dry compressible waste, m3 7.39E+02 1.OOE+00 contaminated equipment, etc. Curies 2.09E+00 6.48E+00 m3 Curies c) Irradiated components, control rods, etc.

3 d) Other (contaminated soil) m Curies

2) Estimate of Principle Radionuclide Composition a) H-3 9% Co-58 1% Sb-125 1% Cs-137 5%

Mn-54 1% Co-60 12 % Cs-1 34 3%

Fe-55 9.5 % Ni-63 58 % Ni-59 0.5 %

b) Ni-59 1% Co-58 3% Sb-125 5%

Mn-54 2.5 % Co-60 39 % Zr/Nb-95 1%

Fe-55 35 % Ni-63 12 % Zn-65 1% C-14 0.5 %

3) Solid Waste Disposition No. of Shipments Mode of Transportation Destination 8 Truck Memphis, TN 18 Truck Oak Ridge, TN 2 Truck Erwin, TN 3 Truck Kingston, TN
4) Type of Containers used for Shipment: Containers used are excepted packages, Type A, Sea Land, metal boxes, drums, tankers, and high integrity containers (HICs).

F055)Solidification Agent: There were no solidifications performed during this report period.

AI.I-13

2014 Effluent and Waste Disposal Annual Report Yearly Release Rates GASES Fission and Activation Gases Total Release 3.12E+00 Curies Average Release Rate 9.89E-02 ýtCi/sec

% of Applicable Limits* 7 4.70E-02 %

3 2.11 E-02 %

lodines Total 1-131 Release 7.32E-06 Curies Average Release Rate 2.30E-07 gtCi/sec

% of Applicable Limit* 4.57E-01 %

Particulates Total Release 0.00 Curies Average Release Rate 0.00 liCi/sec

% of Applicable Limit* 0.00%

LIQUIDS Fission and Activation Products Total Release 8.82E-04 Curies Average Diluted Concentration 8.10E-12 ptCi/ml

% of Applicable Limits* Total Body 2.20E+00 %

Organ 6.59E-01 %

AI. 1-14

Site Boundary and Nearest Residence Listing The following distances were used in the calculation of the maximum individual doses:

Sector Direction Boundary (Meters) Nearest Residence (Meters)

A N 651 659 B NNE 617 660 C NE 789 943 D ENE 1497 1747 E E 1274 1716 F ESE 972 1643 G SE 629 1640 H SSE 594 964 J S 594 997 K SSW 629 942 A1.1-15

Summary of Maximum Individual Doses First Quarter 2014 EFFLUENT APPLICABLE ESTIMATED AGE LOCATION  % OF LIMIT ORGAN DOSE (mrem) GROUP DIST DIR (M) APPLICABLE (mrem)

(Toward) LIMIT QTR Liquid Total Body 2.80E-03 Child Receptor I 1.86E-01 1.5E+O Liquid Liver 2.80E-03 Child Receptor I 5.60E-02 5.0E+0 Noble Gas Air Dose 5.14E-04 Any 651 (N) 1.03E-02 5.OE+0 (Gamrma-mrad) Age Noble Gas Air dose 6.12E-04 Any 789 (NE) 6.12E-03 1.0E+I (Beta-mrad) Age lodines and Total Body 1.02E-02 Child 659 (N) 1.36E-01 7.5E+0 Particulates A 1.2-I

Summary of Maximum Individual Doses Second Quarter 2014 EFFLUENT APPLICABLE ESTIMATED AGE LOCATION  % OF LIMIT ORGAN DOSE (mrem) GROUP DIST DIR (M) APPLICABLE (mrem)

(Toward) LIMIT QTR Liquid Total Body 1.00E-02 Child Receptor 1 6.67E-01 1.5E+0 Liquid Liver 1.00E-02 Child Receptor I 2.OOE-01 5.OE+0 Noble Gas Air Dose 8.99E-04 Any 651 (N) 1.80E-02 5.OE+0 (Gamnmna-mrad) Age Noble Gas Air dose 3.35E-04 Any 651 (N) 3.35E-03 1.0E+I (Beta-mrad) Age lodines and Total Body 1.37E-02 Child 659 (N) 1.83E-01 7.5E+O Particulates A 1.2-2

Summary of Maximum Individual Doses Third Quarter 2014 EFFLUENT APPLICABLE ESTIMATED AGE LOCATION  % OF LIMIT ORGAN DOSE (mrem) GROUP DIST DIR (M) APPLICABLE (mrem)

(Toward) LIMIT QTR Liquid Total Body 2.87E-02 Child Receptor I 1.91E+00 1.5E+O Liquid Liver 2.87E-02 Child Receptor I 5.74E-01 5.OE+0 Noble Gas Air Dose 3.01 E-03 Any 651(N) 6.02E-02 5.OE+O (Garnma-mrad) Age Noble Gas Air dose 3.90E-03 Any 617 (NNE) 3.90E-02 1.OE+I (Beta-mnrad) Age lodines and Total Body 3.27E-02 Child 659 (N) 4.36E-01 7.5E+0 Particulates A 1.2-3

Summary of Maximum Individual Doses I Fourth Quarter 2014 EFFLUENT APPLICABLE ESTIMATED AGE LOCATION  % OF LIMIT ORGAN DOSE (mrem) GROUP DIST DIR (M) APPLICABLE (mrem)

(Toward) LIMIT QTR Liquid Total Body 2.44E-02 Child Receptor I 1.63E+00 1.5E+0 Liquid GI-LLI 2.44E-02 Child Receptor I 4.89E-01 5.OE+0 Noble Gas Air Dose 2.77E-04 Any 651 (N) 5.54E-03 5.OE+0 (Garnmra-m rad) Age Noble Gas Air dose 3.19E-04 Any 594(SSE) 3.19E-03 I.OE+l (Beta-mnrad) Age lodines and Thyroid 1.28E-02 Child 659 (N) 1.71 E-01 7.5E+O Particulates A 1.2-4

2014 GPI Sample Data Samples analyzed for tritium. Values noted are in microcuries per milliliter (uCi/mL)

Lower Limit of Detection LLD Date MW-22D MW- MW-22S MW-24D MW- MW-24S MW-25D MW-22M 24M 25M 02/17/2014 <LLD <LLD <LLD 02/24/2014 <LLD <LLD 03/07/2014 <LLD <LLD 03/08/2014 <LLD <LLD <LLD 03/10/2014 2.2 1E-6 1.89E-6 2.26E-6 04/23/2014 <LLD <LLD <LLD <LLD <LLD 04/28/2014 <LLD <LLD <LLD 05/20/20 14 <LLD <LLD <LLD <LLD <LLD <LLD <LLD <LLD 06/02/2014 <LLD <LLD <LLD 06/13/2014 <LLD <LLD <LLD <LLD <LLD 07/22/2014 <LLD <LLD <LLD <LLD <LLD <LLD 07/29/2014 <LLD <LLD 08/11/2014 <LLD <LLD 08/14/2014 <LLD <LLD <LLD 09/15/2014 <LLD <LLD 09/17/20 14 <LLD <LLD <LLD 09/28/2014 <LLD <LLD <LLD 10/28/2014 <LLD <LLD 10/29/2014 <LLD <LLD <LLD 11/20/2014 <LLD <LLD <LLD <LLD <LLD 12/12/2014 <LLD <LLD <LLD <LLD <LLD (Note: Wells MW-22 through MW- 27 are multi-port wells installed in the Fall of 2009, with three sample points placed at different depths. S= Shallow M= Middle D= Deep.)

(Note: A "*" symbol following a sample result denotes a gamma count was performed. Any gamma results above LLD will be additionally flagged and documented in the analysis section.)

A 1.3-1

2014 GPI Sample Data Samples analyzed for tritium. Values noted are in microcuries per milliliter (uCi/mL)

Lower Limit of Detection = LLD Date MW-25S MW-26D MW- MW-26S MW-27D MW- MW-27S EW-19 26M 27M 01/13/2014 <LLD 02/24/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD 03/07/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD 04/22/2014 <LLD 04/23/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD 05/20/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD 06/13/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD 07/22/2014 <LLD 07/29/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD 08/01/2014 <LLD 08/11/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD 09/15/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD 10/28/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD 11/20/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD 12/12/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD (Note: Wells MW-22 through MW- 27 are multi-port wells installed in the Fall of 2009, with three sample points placed at different depths. S= Shallow M= Middle D= Deep.)

(Note: A "*" symbol following a sample result denotes a gamma count was performed. Any gamma results above LLD will be additionally flagged and documented in the analysis section.)

A 1.3-2

2014 GPI Sample Data Samples analyzed for tritium. Values noted are in microcuries per milliliter (uCi/mL)

Lower Limit of Detection = LLD Date SG-I SG-2 SG-4 SG-5 OW-2 MW-20 MW-21 EW-18 02/17/2014 <LLD <LLD 02/24/2014 <LLD <LLD <LLD <LLD 03/10/2014 <LLD <LLD <LLD <LLD .I IE-6 9.74E-7 04/28/2014 <LLD <LLD 04/30/2014 <LLD <LLD <LLD <LLD 05/23/2014 <LLD <LLD <LLD <LLD <LLD <LLD <LLD 06/13/2014 <LLD <LLD <LLD <LLD <LLD <LLD 07/21/2014 <LLD <LLD 07/22/2014 <LLD <LLD <LLD <LLD 08/14/2014 <LLD <LLD <LLD <LLD <LLD <LLD 09/28/2014 <LLD <LLD 10/05/2014 <LLD 10/ 17/2014 <LLD <LLD 10/20/2014 <LLD <LLD 10/23/2014 <LLD 10/30/2014 <LLD <LLD 11/21/2014 <LLD <LLD (Note: A "*" symbol following a sample result denotes a gamma count was performed. Any gamma results above LLD will be additionally flagged and documented in the analysis section.)

A 1.3-3

2014 GPI Sample Data Samples analyzed for tritium. Values noted are in microcuries per milliliter (uCi/mL)

Lower Limit of Detection = LLD Date W-9 W-10 W-1l W-12 W-13 W-14 W-15 OW-1 01/13/2014 <LLD <LLD 01/14/2014 <LLD <LLD 01/30/2014 <LLD 02/17/2014 <LLD <LLD <LLD <LLD <LLD 02/19/2014 <LLD 03/10/2014 1.49E-6 1.65E-6 03/11/2014 <LLD <LLD <LLD 1.78E-6 03/31/2014 <LLD 04/22/2014 <LLD <LLD <LLD 04/28/2014 <LLD <LLD <LLD <LLD <LLD 04/29/2014 <LLD <LLD 04/30/2014 <LLD 05/20/2014 <LLD <LLD 05/23/2014 <LLD <LLD <LLD 05/30/2014 <LLD 06/02/2014 <LLD <LLD <LLD <LLD 06/16/2014 <LLD <LLD 07/21/2014 <LLD <LLD <LLD <LLD <LLD <LLD 08/14/2014 <LLD <LLD <LLD <LLD <LLD 09/28/2014 <LLD <LLD 09/29/2014 <LLD <LLD <LLD 09/30/2014 <LLD 10/17/2014 <LLD <LLD <LLD <LLD <LLD 10/20/2014 <LLD <LLD 10/29/2014 <LLD 11/21/2014 <LLD <LLD <LLD (Note: A "*" symbol following a sample result denotes a gamma count was performed. Any gamma results above LLD will be additionally flagged and documented in the analysis section.)

A1.3-4

2014 GPI Sample Data Samples analyzed for tritium. Values noted are in microcuries per milliliter (uCi/mL)

Lower Limit of Detection = LLD Date W-I W-2 W-3 W-4 W-5 W-6 W-7 W-8 01/13/2014 <LLD 01/30/2014 <LLD <LLD <LLD 02/03/2014 <LLD <LLD 02/04/2014 <LLD 02/17/2014 <LLD 02/19/2014 <LLD 04/22/2014 <LLD <LLD 04/28/2014 <LLD <LLD 04/29/2014 <LLD <LLD <LLD 04/30/2014 <LLD <LLD <LLD 07/21/2014 <LLD <LLD 07/22/2014 <LLD <LLD <LLD 07/23/2014 <LLD <LLD <LLD 10/17/2014 <LLD <LLD 10/18/2014 <LLD 10/20/2014 <LLD <LLD 10/21/2014 <LLD <LLD <LLD <LLD (Note: A "*" symbol following a sample result denotes a gamma count was performed. Any gamma results above LLD will be additionally flagged and documented in the analysis section.)

AI.3-5

2014 GPI Sample Data Analysis of the Sample Data The Groundwater Protection Initiative (GPI) Sample Data for 2014 indicates no groundwater contamination in excess of the reporting threshold of 2.OOE-5 uCi/mL for tritium. Gamma spectroscopy was performed on all Radiological Environmental Monitoring Program wells quarterly. Those results are not actual GPI results so are not included in the ARERR, but are part of CNP's 2014 Annual Radiological Environmental Operating Report. There were no positively identified radionuclides from plant effluents detected in any of the GPI well samples.

The LLD value used for tritium counting of the samples varied between 9.42E-7 and 9.63E-7uCi/mL, depending on which scintillation counter was used. This is well below the required maximum LLD value of2.00&E6 uCi/mL per the ODCM.

A set of samples obtained in March 2014 were found to have detectable tritium above the LLD, but these results appeared suspect as they were unusually distributed across the site, having had no prior indications of any previous groundwater tritium present in recent sampling. An investigation was initiated and documented via AR#2014-7010, to identify a cause. Subsequent samples did not indicate detectable tritium present. It was determined that the sample results were not accurate, due to a combination of factors. The samples were counted in the Plant's Hot Lab where high airborne concentrations of tritium are possible from reactor coolant samples, causing potential contamination of the samples. This lab is not the normal location used for environmental samples due to this potential. Additionally, the background in the Hot Lab was found to have changed significantly during this period, creating an environment for false positives to occur in samples with low LLDs. Corrective actions were completed to minimize the likelihood of this occurring again, including training via a Crew Event Notice to ensure personnel were aware of the condition and know how to avoid a repeat situation.

Whileno valid unsuspected tritium values were found above LLD for 2014, values found above the LLD are not abnormal, unexpected, or inconsistent with past sampling history. The samples observed above LLD historically were expected results from the release of tritiated water into the Absorption Pond, a licensed pathway and part of plant design, or the result of recapture deposition of tritium from licensed radioactive gaseous release points. The 2014 results were expected considering the reduction in tritium released to the Absorption Pond and a below average rainfall experienced.

Wells located inside the Protected Area of the plant are subject to recapture deposition of tritium and may show occasional sample results above LLD values following rainfalls and snow melt. The results observed in 2014 continue to reflect normal expectations and behaviors as they relate to recaptured tritium for the weather conditions observed in 2014.

The sample data indicates that no radioactive spills or unidentified leaks have occurred in 2014 impacting groundwater. The sample results indicate proper well placement to ensure the protection of the groundwater and early identification of any abnormal conditions involving groundwater. This is validated by the demonstrated ability to monitor percolation from the Absorption Pond and recaptured tritium in precipitation, with flow direction and behavior acting as described in the plant licensing documents.

A 1.3-6

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 01/01/2014 - 03/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class A Delta Temperature Extremely Unstable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19-25 > 25 Total N 0 5 20 17 10 0 52 NNE 0 3 4 4 0 0 11 NE 0 5 3 6 1 0 15 ENE 0 6 6 6 0 0 18 E 0 0 4 0 0 0 4 ESE 0 1 9 9 0 0 19 SE 3 2 16 13 1 0 35 SSE 0 10 28 17 11 0 66 S 0 4 6 17 3 0 30 SSW 0 3 4 3 2 2 14 SW 0 1 7 31 10 7 56 WSW 0 11 11 24 4 3 53 W 0 7 23 18 14 0 63 WNW 0 14 14 19 2 0 49 NW 0 5 12 15 6 3 41 NNW 0 3 18 I1 6 1 39 Total 3 80 185 210 70 17 565 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 565 Total Hours for Period 2160 A2. 1-1

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 01/01/2014 - 03/31/2014 Elevation: Speed: SPD60M Direction: DIR60M L avse: DT60M Stability Class B Delta Temperature Moderately Unstable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13-19 19 -25 > 25 Total N 0 4 6 8 2 0 20 NNE 0 2 11 6 1 0 21 NE 0 7 5 0 0 0 12 ENE 0 6 7 2 0 0 15 E 0 2 1 0 0 0 3 ESE 0 2 3 0 2 0 7 SE 0 2 2 4 0 0 8 SSE 0 2 4 I 4 0 II S 0 0 2 4 3 0 9 SSW 0 1 3 3 3 11 SW 0 0 5 9 6 ?1 WSW 1 2 2 1 2 2 10 W 0 0 2 3 4 4 13 WNW 0 I 1 8 2 1 13 NW 0 1 5 2 0 9 NNW 0 2 8 2 0 13 Total 2 34 67 53 31 9 196 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 196 Total Hours for Period 2160 A2.1-2

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 01/01/2014 - 03/31/2014 Elevation: Speed: SPD60M Direction: DIR60M L anse: DT60M Stability Class C Delta Temperature Slightly Unstable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19-25 > 25 Total N 1 2 8 6 0 1 18 NNE 0 2 4 6 0 0 12 NE 1 4 6 14 0 0 25 ENE 0 3 6 6 0 0 15 E 0 2 I 0 0 0 4 ESE 0 0 3 2 3 0 8 SE 1 4 8 0 16 SSE 0 3 10 5 5 0 23 S 0 2 16 3 6 1 28 SSW 0 0 10 3 2 15 SW 0 3 5 I1 6 2 27 WSW 0 5 6 6 5 23 W 0 7 13 7 5 33 WNW 0 6 13 2 44 NW 1 6 5 .5 2 20 NNW 0 2 7 5 0 0 14 Total 5 31 108 100 63 18 325 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 325 Total Hours for Period 2160 A2.1-3

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 01/01/2014 - 03/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class D Delta Temperature Neutral Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19-25 > 25 Total N 2 5 5 1 0 14 NNE 1 4 8 5 2 0 20 NE 2 4 16 13 0 0 36 ENE 6 14 4 0 0 25 E 3 10 1 0 17 ESE 0 1 6 7 0 0 14 SE 0 5 17 10 4 0 36 SSE 0 6 8 II 14 4 43 S 2 13 17 24 36 5 97 SSW 1 9 18 16 l0 55 SW 0 3 9 26 26 I1 75 WSW 1 1 6 19 17 4 48 W 0 1 12 20 4 70 WNW 0 2 9 41 23 16 91 NW 2 3 8 16 4 4 37 NNW 2 2 11 2 0 0 17 Total 15 68 174 230 159 49 695 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 695 Total Hours for Period 2160 A2.1-4

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 01/01/2014 - 03/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class E Delta Temperature Slightly Stable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19-25 > 25 Total N 0 1 3 3 0 0 8 NNE 0 3 0 0 6 NE 0 1 3 0 0 5 ENE 1 6 6 0 0 0 13 2 3 E 0 0 0 0 ESE 0 1 8 3 0 14 SE 0 3 16 8 2 0 27 SSE 0 4 l0 7 2 0 23 S 0 9 12 3 1 27 SSW 0 II 7 0 22 SW 0 3 4 8 4 1 20 WSW 0 3 6 12 2 0 23 W 0 5 2 5 4 0 16 WNW 0 0 2 1 1 4 NW 0 2 1 2 0 2 7 NNW 0 0 2 1 0 0 3 Total 2 35 84 73 22 5 221 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 221 Total Hours for Period 2160 A2.1-5

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 01/01/2014 - 03/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class F Delta Temperature Moderately Stable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19-25 > 25 Total N 0 0 0 0 1 0 NNE 0 I 0 0 0 0 0 3 1 0 0 0 4 ENE 0 0 3 0 0 0 4 E 0 1 I 0 0 0 2 ESE 0 3 3 0 0 0 6 SE 0 6 1 0 0 8 SSE 3 l0 12 0 27 S 20 30 8 0 15 SSW 0 0 4 0 0 5 0

SW 0 7 0 0 0 9 WSW 0 0 1 0 0 0 2 W 00 1 0 0 0 0 2 WNW 1 0 0 0 0 1 NW 0 0 0 0 0 2 NNW 1 0 0 0 1 Total 6 18 44 16 3 2 *89 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 89 Total Hours for Period 2160 A2.1-6

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 01/01/2014 - 03/31/2014 Elevation: Speed: SPD60M Direction: DIR60M L*anse: DT60M Stability Class G Delta Temperature Extremely Stable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19 -25 > 25 Total N 0 0 0 0 0 0 0 NNE 0 0 0 0 0 NE 0 0 0 0 0 ENE 0 2 0 0 0 0 2 E 0 4 0 0 0 0 4 ESE 0 1 2 0 0 4 SE 0 5 3 0 0 9 SSE 0 2 7 0 0 10 S 0 5 7 0 0 0 12 SSW 0 6 4 0 0 0 10 SW 0 3 1 0 0 0 4 WSW 2 0 0 0 0 3 W 1 0 0 0 0 2 WNW 2 0 0 0 0 NW 0 0 1 0 0 0 NNW 0 0 0 0 0 0 0 Total 5 33 25 3 0 66 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 66 Total Hours for Period 2160 A2.1-7

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Summary of All Stability Classes Total Period Period of Record = 01/01/2014 - 03/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Delta Temperature Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13-19 19-25 > 25 Total N 3 17 42 35 15 1 113 NNE 3 15 29 22 3 0 72 NE 4 24 34 34 2 0 98 ENE 3 29 42 18 0 0 92 E 2 12 18 4 1 0 37 ESE 0 9 34 22 7 0 72 SE 4 22 68 39 6 0 139 SSE 1 30 77 54 37 4 203 S 3 28 65 63 52 7 218 SSW 1 21 54 32 20 4 132 SW 2 13 38 85 52 22 212 WSW 3 20 31 62 31 14 161 W 2 16 46 72 49 14 199 WNW I 21 30 82 50 21 205 NW 4 12 33 40 16 12 117 NNW 2 10 46 21 7 1 87 Total 38 299 687 685 348 100 2157 Calm Hours not Included above for : Total Period 0 Variable Direction Hours for: Total Period 0 Invalid Hours for: Total Period 3 Valid Hours for this Stability Class for: Total Period 2157 Total Hours for Period 2160 A2.1-8

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 04/01/2014 - 06/30/2014 Elevation: Speed: SPD60M Direction: DIR60M L arse: DT60M Stability Class A Delta Temperature Extremely Unstable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19 -25 > 25 Total N 0 16 31 17 3 0 67 NNE 2 6 4 0 0 0 12 NE 4 1 0 0 0 6 ENE 2 6 0 0 II E 5 14 9 1 5 35 ESE 0 2 10 14 10 2 38 SE 2 3 16 6 4 1 32 SSE 12 36 24 3 0 76 S 3 27 13 2 0 46 SSW 0 2 5 7 2 16 0

SW 2 4 29 20 2 0 57 WSW 0 13 44 22 9 0 89 W 0 24 22 9 4 0 59 WNW 5 30 13 9 1 0 58 NW 2 25 17 16 1 0 61 NNW 2 33 66 26 15 0 142 Total 20 184 341 194 57 9 805 Calm Hours not Included above for : Total Period 6 Valid Hours for this Stability Class for: Total Period 805 Total Hours for Period 2184 A2.2-1

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 04/01/2014 - 06/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class B Delta Temperature Moderately Unstable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19 -25 > 25 Total N 2 3 6 2 0 14 NNE 0 2 2 0 0 5 NE 2 0 0 0 0 3 ENE 1 1 0 0 0 3 E 0 0 3 0 0 4 ESE 0 0 4 SE 0 1 0 4 SSE 0 0 2 0 4 S 0 0 0 3 SSW 0 0 2 21 0 5 SW 0 2 3 7 0 13 WSW 0 0 0 3 0 6 3

W 9 0 01 6 WNW 23 0 0 0 5 NW 0 3 0 0 0 0 3 NNW 0 0 0 2 6 Total 7 26 24 16 12 3 88 Calm Hours not Included above for : Total Period 6 Valid Hours for this Stability Class for: Total Period 88 Total Hours for Period 2184 A2.2-2

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 04/01/2014 - 06/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class C Delta Temperature Slightly Unstable Wind Speed (mph)

Wind Direction 1 -4 4-8 8-13 13-19 19-25 > 25 Total N 2 3 5 5 2 0 17 NNE 1 4 1 0 0 0 6 NE 0 1 2 0 0 0 3 ENE 0 1 3 1 0 0 5 E 0 1 2 0 2 1 6 ESE 0 0 1 0 2 0 3 SE 0 1 1 0 0 0 2 SSE 0 0 3 3 0 0 6 S 0 3 4 5 4 0 16 SSW 0 1 2 0 1 1 5 SW 2 0 5 1 0 1 9 WSW 0 0 0 2 3 1 6 W 1 2 0 0 0 0 3 WNW 2 3 0 1 0 0 6 NW 0 3 0 0 0 0 3 NNW 0 3 1 0 0 0 4 Total 8 26 30 18 14 4 100 Calm Hours not Included above for : Total Period 6 Valid Hours for this Stability Class for: Total Period 100 Total Hours for Period 2184 A2.2-3

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 04/01/2014 - 06/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class D Delta Temperature Neutral Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13 - 19 19 -25 > 25 Total N 6 8 18 11 8 0 51 NNE 4 9 8 6 0 0 27 NE 2 5 5 0 0 0 12 ENE 0 2 5 1 0 0 8 E 2 4 11 13 16 9 55 ESE 3 4 9 16 1 34 SE 2 9 17 6 0 35 SSE 2 4 3 14 1 0 21 S 0 4 23 33 l0 0 70 SSW 0 4 8 25 8 0 45 SW 0 6 3 9 3 0 21 WSW 1 5 4 10 1 23 W 5 0 7 3 5 0 20 WNW 0 2 3 1 3 0 9 NW 2 4 7 3 3 0 19 NNW 5 4 6 4 3 0 22 Total 31 63 124 159 83 12 472 Calm Hours not Included above for : Total Period 6 Valid Hours for this Stability Class for: Total Period 472 Total Hours for Period 2184 A2.2-4

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 04/01/2014 - 06/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class E Delta Temperature Slightly Stable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13-19 19-25 > 25 Total N 1 4 7 2 1 0 15 NNE 0 7 7 1 0 0 15 NE I 6 17 2 0 0 26 ENE 0 8 7 5 0 0 20 E 0 2 14 2 1 0 19 ESE 2 4 18 6 0 0 30 SE I 7 30 15 0 0 53 SSE I 6 21 17 3 0 48 S 1 5 18 12 5 0 41 SSW I 2 7 6 1 1 18 SW 2 4 5 10 1 0 22 WSW 0 2 3 4 0 0 9 W 0 0 2 5 0 0 7 WNW 0 2 9 5 4 0 20 NW 0 4 4 3 0 0 II NNW 0 4 1 I 0 0 6 Total 10 67 170 96 16 1 360 Calm Hours not Included above for : Total Period 6 Valid Hours for this Stability Class for: Total Period 360 Total Hours for Period 2184 A2.2-5

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 04/01/2014 - 06/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class F Delta Temperature Moderately Stable Wind Speed (mph)

Wind Direction 1 -4 4-8 8-13 13- 19 19 -25 > 25 Total N 5 5 0 0 0 11 0

NNE 0 4 10 0 0 0 5 NE 3 I 0 0 15 ENE 6 5 5 0 0 17 E 1 7 0 0 10 ESE 1 3 16 0 0 22 SE 0 5 9 4 0 0 18 SSE 0 3 10 13 0 0 26 S 2 9 18 0 0 30 SSW 0 3 7 4 0 0 14 SW 0 0 0 0 0 0 0 WSW 0 2 0 0 0 3 W 0o 2 1 0 0 5 WNW 0 2 0 0 0 4 NW 2 0 0 0 4 NNW 3 2 0 0 6 Total 7 43 89 51 0 0 190 Calm Hours not Included above for : Total Period 6 Valid Hours for this Stability Class for: Total Period 190 Total Hours for Period 2184 A2.2-6

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 04/01/2014 - 06/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class G Delta Temperature Extremely Stable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19 - 25 > 25 Total N 0 4 4 0 0 0 8 NNE 0 2 0 0 0 3 NE 1 5 0 0 0 7 ENE 0 6 14 4 0 0 24 E 2 2 9 0 0 13 ESE 0 17 3 0 0 24 SE 2 5 15 1 0 0 23 SSE 0 3 3 0 0 9 S 0 1 4 0 0 6 SSW 0 0 10 2 0 0 12 SW 0 2 0 0 4 WSW 0 2 0 0 4 W 0 0 0 0 2 WNW 0 0 0 0 NW 3 0 0 0 0 4 NNW 0 3 0 0 0 0 3 Total 7 44 82 15 0 0 148 Calm Hours not Included above for : Total Period 6 Valid Hours for this Stability Class for: Total Period 148 Total Hours for Period 2184 A2.2-7

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Summary of All Stability Classes Total Period Period of Record 04/01/2014 - 06/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Delta Temperature Wind Speed (mph)

Wind Direction 1 -4 4-8 8-13 13-19 19-25 > 25 Total N 12 43 76 36 16 0 183 NNE 7 34 24 8 0 0 73 NE 8 25 36 3 0 0 72 ENE 3 26 41 18 0 0 88 E 5 15 60 26 20 16 142 ESE 4 19 67 33 28 4 155 SE 6 24 81 44 II I 167 SSE 4 25 78 75 8 0 190 S 3 19 85 83 22 0 212 SSW 1 12 41 46 13 2 115 SW 6 17 47 48 7 I 126 WSW 1 26 54 39 16 4 140 W 8 32 34 19 9 0 102 WNW 9 42 29 16 8 0 104 NW 6 43 30 22 4 0 105 NNW 7 51 77 33 20 1 189 Total 90 453 860 549 182 29 2163 Calm Hours not Included above for : Total Period 6 Variable Direction Hours for: Total Period 0 Invalid Hours for: Total Period 15 Valid Hours for this Stability Class for: Total Period 2163 Total Hours for Period 2184 A2.2-8

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 07/01/2014 - 09/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class A Delta Temperature Extremely Unstable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19-25 > 25 Total N 4 6 27 22 0 0 60 NNE 0 2 0 0 0 3 NE 6 5 0 0 0 12 ENE 2 5 9 0 0 0 16 E 0 8 10 0, 0 0 18 ESE 1 7 10 0 0 0 18 SE 2 10 2 0 0 0 14 SSE 3 3 14 7 0 0 27 S 1 6 II 5 0 0 23 SSW 0 3 6 0 0 0 9 SW 0 7 6 0 0 16 WSW 1 23 29 6 1 1 61 W 4 22 27 6 0 0 59 WNW 2 29 18 0 0 0 49 NW 3 15 22 2 0 43 NNW 9 24 37 12 1 84 Total 34 170 236 66 4 2 512 Calm Hours not Included above for : Total Period 26 Valid Hours for this Stability Class for: Total Period 512 Total Hours for Period 2208 A2.3-1

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 07/01/2014 - 09/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class B Delta Temperature Moderately Unstable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19 -25 > 25 Total N 1 1 3 3 1 0 9 NNE 0 0 0 0 0 0 0

NE 0 1 0 0 2 0

ENE 0 0 0 3 01 0 0 E 0 0 0 0 0

ESE 0 4 0 0 5 1 0 SE 0 4 4 0 SSE 6 9 0 13 3 0 12 S 0 5 4 0 SSW 0 4 6 00 0 13 SW 1 3 3 7 0 14 3 0 WSW 7 4 0 15 2 0 W 3 2 0 8 0 3 0 0 WNW 0 0 3 0 1 0 NW 2 0 5 1 2 29 3 0 NNW 0 8 Total 12 41 35 24 2 0 114 Calm Hours not Included above for : Total Period 26 Valid Hours for this Stability Class for: Total Period 114 Total Hours for Period 2208 A2.3-2

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 07/01/2014 - 09/30/2014 Elevation: Speed: SPD60M Direction: DIR60M L,anse: DT60M Stability Class C Delta Temperature Slightly Unstable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19-25 > 25 Total N 0 0 2 4 1 0 7 NNE 0 0 0 0 0 2 NE 0 0 0 0 0 9 ENE 0 1 0 0 0 1

E 0 2 0 0 0 3 ESE 0 2 0 0 0 0 2 SE 2 0 0 0 0 3 SSE 0 1 2 0 0 6 S 01 6 3 0 0 10 SSW 02 4 5 0 0 10 SW 3 5 2 0 0 9 9

WSW 2 3 3 3 0 0 II W 3 0 0 0 0 2 WNW 3 0 0 1 0 6 NW 3 0 0 0 1 5 NNW 3 3 4 0 0 11 Total 10 34 25 18 2 1 90 Calm Hours not Included above for : Total Period 26 Valid Hours for this Stability Class for: Total Period 90 Total Hours for Period 2208 A2.3-3

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 07/01/2014 - 09/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class D Delta Temperature Neutral Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19-25 > 25 Total N 0 14 15 26 6 0 62 NNE 0 2 5 4 0 0 12 NE 0 6 6 0 0 0 12 ENE 0 4 7 0 0 0 11 E 0 5 5 0 0 0 10 ESE 0 6 0 0 0 7 SE 30 7 12 0 0 0 19 SSE 0 1 10 5 1 0 17 S 3 6 12 8 0 0 SSW 2 8 13 14 0 39 0 2 SW 0 10 17 21 0 50 WSW 1 7 10 7 3 0 29 W 0 6 3 0 0 0 9 WNW 1 6 7 2 5 1 16 NW 3 0 1 2 7 0 13 NNW 2 10 7 20 10 1 50 Total 14 92 130 109 37 3 385 Calm Hours not Included above for : Total Period 26 Valid Hours for this Stability Class for: Total Period 385 Total Hours for Period 2208 A2.3-4

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 07/01/2014 - 09/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class E Delta Temperature Slightly Stable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19 - 25 > 25 Total N 3 11 11 0 0 0 26 NNE 3 6 8 0 0 0 17 NE 0 7 16 0 0 0 23 ENE 0 5 8 0 0 0 13 E 0 5 5 0 0 0 10 ESE 4 14 2)1 0 3 0 0 SE 0 6 24 2 0 0 32 SSE 1 6 13 9 0 0 29 S 3 II 32 14 0 0 60 SSW 7 24 9 0 0 41 SW 3 13 8 0 0 25 WSW 0 2 5 6 0 0 13 W 4 3 0 0 0 8 WNW 7 3 0 0 0 11 NW 5 5 1 1 0 14 NNW 0 3 5 1 0 0 9 Total 16 92 189 54 1 0 352 Calm Hours not Included above for : Total Period 26 Valid Hours for this Stability Class for: Total Period 352 Total Hours for Period 2208 A2.3-5

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 07/01/2014 - 09/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class F Delta Temperature Moderately Stable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19 - 25 > 25 Total N 2 4 1 0 0 8 NNE 6 4 0 0 12 NE 5 12 0 0 0 18 ENE 0 4 14 0o 0 0 18 E 1 4 9 0 0 15 ESE 0 4 17 5 0 0 26 SE 2 1 15 1 0 0 20 SSE 0 6 18 0 0 0 24 S 0 3 23 3 0 0 29 SSW 0 4 8 0 0 13 SW 0 4 6 0 0 11 WSW 0 0 4 3 0 W 0 0 5 0

WNW 0 0 0 0 2 0

00 1 NW 0 0 0 0 NNW 1 0 1 0 0 2 Total 10 49 133 14 I 0 207 Calm Hours not Included above for : Total Period 26 Valid Hours for this Stability Class for: Total Period 207 Total Hours for Period 2208 A2..3-6

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 07/01/2014 - 09/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class G Delta Temperature Extremely Stable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13 - 19 19-25 > 25 Total N 0 5 1 0 0 0 6 NNE 3 4 3 0 0 0 10 NE 7 7 8 0 0 0 22 ENE 2 15 10 1 0 0 27 E 2 9 13 4 0 0 28 ESE 2 4 16 6 0 0 28 SE 6 9 19 2 0 0 36 SSE 3 8 25 2 0 0 38 S 1 6 18 14 0 0 39 SSW 2 6 17 11 0 0 36 SW 3 7 17 0 0 0 27 WSW 0 9 7 0 0 0 16 W 2 7 0 *0 0 0 9 WNW .. 9 0 .0 0 0 10 NW 3 3 0 0 0 0 7 NNW 2 7 0 0 0 0 9 Total 38 115 155 40 0 0 348 Calm Hours not Included above for : Total Period 26 Valid Hours for this Stability Class for: Total Period 348 Total Hours for Period 2208 A2.3-7

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Summary of All Stability Classes Total Period Period of Record = 07/01/2014 - 09/30/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Delta Temperature Wind Speed (mph)

Wind Direction 1-4 4-8 8- 13 13-19 19-25 > 25 Total N 11 41 60 57 9 0 178 NNE 8 19 22 6 1 0 56 NE 9 33 48 0 0 0 90 ENE 5 35 49 1 0 0 90 E 3 32 44 5 0 0 84 ESE 4 25 64 14 0 0 107 SE 13 35 73 6 I 0 128 SSE 8 31 87 27 1 0 154 S 8 43 103 48 0 0 202 SSW 5 36 79 38 3 0 161 SW 6 31 68 45 2 0 152 WSW 8 52 60 23 4 2 149 W 1I 44 38 7 0 0 100 WNW 7 58 22 2 6 I 96 NW 12 29 31 6 9 I 88 NNW 16 49 55 40 11 2 173 Total 134 593 903 325 47 6 2008 Calm Hours not Included above for : Total Period 26 Variable Direction Hours for: Total Period 0 Invalid Hours for: Total Period 174 Valid Hours for this Stability Class for: Total Period 2008 Total Hours for Period 2208 A2.3-8

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 10/01/2014 - 12/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class A Delta Temperature Extremely Unstable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19-25 > 25 Total N 0 I 15 3 0 0 19 NNE 0 0 3 0 0 4 NE 0 2 5 0 0 8 ENE 0 3 3 0 0 0 6 E 0 2 1 0 0 0 3 ESE 0 4 6 0 0 0 l0 SE 0 1 8 0 0 20 SSE 0 2 8 8 2 1 21 S 0 2 8 7 0 0 17 SSW 0 0 2 2 0 0 4 SW 0 2 6 5 0 0 13 WSW 0 5 9 7 4 0 25 W 0 4 II 15 8 0 38 WNW 0 3 16 12 4 0 35 NW 0 10 5 0 0 17 NNW 0 13 3 0 0 17 Total 0 33 127 77 19 1 257 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 257 Total Hours for Period 2208 A2.4-1

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 10/01/2014 - 12/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class B Delta Temperature Moderately Unstable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19-25 > 25 Total N 0 1 2 6 0 0 9 NNE 0 2 4 0 0 7 NE 2 0 0 0 0 3 ENE 0 1 1 0 0 0 2 E 0 4 2 0 0 0 6 ESE 0 3 1 0 0 5 SE 1 0 0 0 4 2

SSE 4 4 6 0 0 17 0

S 0 9 5 0 0 14 00 10 SSW 0 6 7 0 17 0 1 SW 8 3 0 0 12 0 3 1 2)1 WSW 2 13 0 12 7 W 3 7 .4 33 WNW 0 0 4 10 3 0 19 NW 0 3 1 0 1 5 0 1 1 3 1 0 NNW 6 Total 7 24 67 61 15 6 180 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 180 Total Hours for Period 2208 A2..4-2

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 10/01/2014 - 12/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class C Delta Temperature Slightly Unstable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19 -25 > 25 Total N 0 0 5 3 0 0 9 NNE 0 0 2 4 0 0 6 NE 0 3 0 0 0 0 3 ENE 0 1 0 0 0 2 E 0 7 0 0 0 8 ESE 0 5 5 2"6 0 0 12 SE 0 2 8 3 0 0 13 SSE 1 6 8 6 0 22 S 0 3 22 0 31 5 0 SSW 0 5 17 0 29 SW 0 4 10 3 1 15 2 20 WSW 3 14 6 10 49 W 4 33 23 17 57 WNW 0 8 8 3 53 NW 0 6 13 8 0 28 NNW 1 2 4 6 5 0 18 Total 5 44 115 101 62 33 360 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 360 Total Hours for Period 2208 A2.4-3

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 10/01/2014 - 12/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class D Delta Temperature Neutral Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13- 19 19-25 > 25 Total N 0 4 26 24 3 3 60 NNE 0 1 17 5 1 5 29 NE 0 12 10 8 5 0 35 ENE 0 3 4 0 0 0 8 E 0 6 7 0 0 0 13 ESE 0 8 8 II 0 0 27 SE 0 6 29 26 1 0 63 SSE 0 I1 20 46 6 0 83 S 1 17 53 55 3 0 129 SSW 0 13 54 72 14 0 153 SW 1 18 19 5 2 46 WSW 6 12 31 9 60 W 0 1 20 48 43 10 122 WNW 0 8 19 42 31 4 104 NW 0 2 20 28 17 2 69 NNW 1 9 17 18 11 58 Total 6 101 326 432 156 38 1059 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 1059 Total Hours for Period 2208 A2.4-4

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 10/01/2014 - 12/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class E Delta Temperature Slightly Stable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13-19 19-25 > 25 Total N 2 I 1 0 0 0 4 NNE I 8 3 0 0 0 12 NE 0 7 5 0 0 0 12 ENE 2 2 5 0 0 0 9 E 0 1 8 1 0 0 10 ESE I I 1 3 0 0 6 SE 0 2 9 15 1 0 27 SSE 0 2 5 9 I I 18 S I 2 25 I1 0 0 39 SSW I I 13 3 0 0 18 SW 0 2 0 1 0 0 3 WSW 0 0 I 3 0 0 4 W 0 0 2 2 0 0 4 WNW 0 2 0 3 1 0 6 NW 0 2 5 6 2 0 15 NNW 0 0 13 2 1 0 16 Total 8 33 96 59 6 1 203 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 203 Total Hours for Period 2208 A2.4-5

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 10/01/2014 - 12/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class F Delta Temperature Moderately Stable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13 - 19 19-25 > 25 Total N 0 0 0 0 0 0 0 NNE 0 1 3 0 0 0 4 2

NE 0 2 0 0 0 4 ENE 0 0 4 0 0 0 4 E 0 4 1 0 0 6 ESE 1 3 0 0 0 5 SE 0 6 1 0 0 8 SSE 0 3 5 0 0 8 S 0 0 0 5 SSW 0 2 0 0 4 SW 0 0 0 0 2 WSW 0 0 0 0 2 W 2 0 0 0 0 3 WNW 0 0 0 0 0 0 0 NW 0 1 0 0 0 0 0 NNW 0 0 0 0 0 0 0 Total 3 14 30 10 0 0 57 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 57 Total Hours for Period 2208 A2.4-6

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Total Period Period of Record = 10/01/2014 - 12/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Stability Class G Delta Temperature Extremely Stable Wind Speed (mph)

Wind Direction 1-4 4-8 8-13 13 - 19 19 -25 > 25 Total N 0 0 0 0 0 0 0 NNE 0 0 0 0 0 0 0 NE 0 4 0 0 0 5 ENE 2 7I 0 0 0 14 E 0 3 7 1 0 0 12 ESE 0 4 7 0 0 0 II SE 0 I 5 2 0 0 8 SSE 0 2 2 0 0 5 S 0 0 4 0 0 6 SSW 0 0 1 0 0 4 0

SW 0 0 0 0 0 0 0

WSW 0 0 0 0 0 0 0

W 0 0 0 0 0 0 00 WNW 0 0 0 0 0 0 0 0 0 NW 0 0 0 0 0 NNW 0 1 0 0 0 1 Total 4 14 41 7 0 0 66 Calm Hours not Included above for : Total Period 0 Valid Hours for this Stability Class for: Total Period 66 Total Hours for Period 2208 A2.4-7

Site: AEP Cook Joint Frequency Distribution Hours at Each Wind Speed and Direction Summary of All Stability Classes Total Period Period of Record = 10/01/2014 - 12/31/2014 Elevation: Speed: SPD60M Direction: DIR60M Lapse: DT60M Delta Temperature Wind Speed (mph)

Wind Direction 1 -4 4-8 8-13 13-19 19-25 > 25 Total N 2 7 49 36 3 4 101 NNE 2 10 30 14 1 5 62 NE 1 29 26 9 5 0 70 ENE 5 II ,29 0 0 0 45 E 1 24 30 3 0 0 58 ESE 2 26 31 17 0 0 76 SE 3 14 68 56 2 0 143 SSE 3 28 49 81 11 2 174 S 2 26 124 85 4 0 241 SSW 3 20 99 92 15 0 229 SW 1 II 42 32 6 4 96 WSW 3 17 49 50 30 12 161 W 2 11 44 88 81 31 257 WNW 1 15 47 100 47 7 217 NW 0 7 45 53 28 3 136 NNW 2 7 40 31 25 I1 116 Total 33 263 802 747 258 79 2182 Calm Hours not Included above for : Total Period 0 Variable Direction Hours for: Total Period 0 Invalid Hours for: Total Period 26 Valid Hours for this Stability Class for: Total Period 2182 Total Hours for Period 2208 A2.4-8

OFF-SITE DOSE CALCULATION MANUAL CHANGES The Off-Site Dose Calculation Manual, PMP-6010-OSD-001, was not revised during this reporting period.

A3.0-1

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