Text

2010 Radioactive Effluent Release Report
	ML11122A109
Person / Time
Site:	Braidwood
Issue date:	04/29/2011
From:	Enright D; Exelon Generation Co, Exelon Nuclear
To:	; Document Control Desk, Office of Nuclear Reactor Regulation
References
	BW110044
	Download: ML11122A109 (105)
	v • d • e

Exekoni Exelon Generation Company, LLC Braidwood Station 35100 South Route 53, Suite 84 Braceville, IL 60407-9619 www.exeloncorp.com Nuclear April 29, 2011 BW 110044 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555-0001 Braidwood Station, Units 1 and 2 Facility Operating License Nos. NPF-72 and NPF-77 NRC Docket Nos. STN 50-456 and STN 50-457

Subject:

2010 Radioactive Effluent Release Report The attached document includes the Radioactive Effluent Release Report for Braidwood Station. This report is being submitted in accordance with 10 CFR 50.36a, "Technical specifications on effluents from nuclear power reactors," and Technical Specification 5.6.3, "Radioactive Effluent Release Report," and includes a summary of radiological liquid and gaseous effluents and solid waste released from the site from January 2010 through December 2010. In addition, a copy of the Braidwood Station Offsite Dose Calculation Manual is included in accordance with Technical Specification 5.5.1, "Offsite Dose Calculation Manual (ODCM)."

If you have any questions regarding this information, please contact Chris VanDenburgh Regulatory Assurance Manager, at (815) 417-2800.

Respectfully, Daniel J. Enright Site Vice President Braidwood Station cc:

(without attachments)

US NRC Regional Administrator, Region Ill US NRC Senior Resident Inspector - Braidwood Station NRR Project Manager - Braidwood Station Illinois Emergency Management Agency - Division of Nuclear Safety

RADIOACTIVE EFFLUENT RELEASE REPORT January - December 2010 BRAIDWOOD NUCLEAR POWER STATION EXELON GENERATION COMPANY, LLC Facility:

Licensee:

1, Regulatory Limits

a.

For Noble Gases:

Dose Rate 1) 2)

Less than 500 mrem/year to the whole body.

Less than 3000 mrem/year to the skin.

Dose Gamma Radiation 1) 2)

Less than or equal to 5 mrad/quarter.

Less than or equal to 10 mrad/year.

Dose Beta Radiation 1) 2)

Less than or equal to 10 m rad/quarter.

Less than or equal to 20 mrad/year.

b.

Iodine: (summed with particulate, see below)

c.

Particulates with half-lives > 8 days:

Dose Rate

1)

Less than 1500 mrem/year to any organ.

Dose 1) 2)

Less than or equal to 7.5 mrem/quarter to any organ.

Less than or equal to 15 mrem/year to any organ.

d.

For Liquid Dose 1) 2)

3) 4)

Less than or equal to 1.5 mrem to the whole body during any calendar quarter.

Less than or equal to 5 mrem to any organ during any calendar quarter.

Less than or equal to 3 mrem to the whole body during any calendar year.

Less than or equal to 10 mrem to any organ during any calendar year.

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2.

Maximum Permissible Concentration

a.

Fission and Activation Gases: 1 0CFR20 Appendix B Table 2

b.

Iodine: 10CFR20 Appendix B Table 2

c.

Particulates: 1 OCFR20 Appendix B Table 2

d.

Liquid Effluents: 10 X 10CFR20 Appendix B Table 2

3.

Average Energy This item is not applicable. Release rates are calculated using an isotopic mix rather than average energy.

4.

Measurements and Approximations of Total Radioactivity

a.

Fission and Activation Gases. lodines, and Particulates Containment batch releases are analyzed for noble gas and tritium before being discharged by gamma isotopic and scintillation, respectively. Gaseous decay tanks are analyzed for noble gas before being discharged by gamma isotopic. Released activity is normally calculated using volume of release, which is determined by change in tank or containment pressure.

The Auxiliary Building ventilation exhaust system is continually monitored for iodines and particulates. These samples are pulled every 7 days and analyzed by gamma isotopic. The particulate samples are also analyzed quarterly for gross alpha and Sr-89/90.

Noble gas and tritium grab samples are pulled and analyzed weekly by gamma isotopic and scintillation, respectively. The average flow at the release points are used to calculate the curies released.

Volumes and activities of effluents discharged from systems that are common to both units are divided between both units.

The secondary side of both units contain tritium. Very small amounts of tritium are continually released to the atmosphere from secondary components through packing leaks, tank vents, the main condenser, etc. Bounding calculations have been performed to show that very large leaks (1000 gpd) for extended periods (1 month) at normal secondary tritium concentrations, would provide an insignificant increase (1 E-5 mrem) in offsite dose.

No gaseous effluent radiation instrumentation was inoperable beyond the time allowed in the ODCM during 2010.

The calculated offsite dose to the public from station gaseous effluents remains low and a small percentage of the quarterly and annual Offsite Dose Calculation Manual (ODCM) limits.

b.

Liquid Effluents The liquid release tanks are analyzed before discharge by gamma isotopic and for tritium. A representative portion of this sample is saved. This is composited, every 31 days, with other discharges that occurred and is analyzed for tritium and gross alpha. The batch composites are composited quarterly and sent to a vendor for Sr-89/90 and Fe-55 analysis. Circulating Water Blowdown, Condensate Polisher Sump and Waste Water Treatment are analyzed weekly by gamma isotopic and for tritium. These weekly samples are composited monthly.

The monthly composites are then composited quarterly and sent to a vendor for Sr-89/90 and Fe-55 analysis.

Tank volumes and activities are used to calculate the curies released for the tanks released.

The total volume of water released and the measured activity is used to calculate the diluted activity released at the discharge point from batch discharges.

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4.

b.

Volumes and activities of effluents discharged from systems that are common to both units are divided between both units.

On 3/29/10, the Exelon Pond composite sampler had collected a sample volume that was too small for valid analysis. Investigation showed that the pond pump had been secured 11 hours1.273148e-4 days 0.00306 hours 1.818783e-5 weeks 4.1855e-6 months after the last composite sample had been collected. This may have contributed to the low sample volume. Sample line plugging may have also contributed to the low sample volume. This issue has been entered into the Corrective Action Program as IR 1049841.

On 4/19/10, the Exelon Pond composite sampler had collected a sample volume that was too small for valid analysis. Investigation showed that the pond pump had been started and then secured a short time later. This did not allow for enough time for collection of a valid sample.

Due to these issues, appropriate changes were initiated to the Operations procedures for starting and stopping the Exelon Pond pump to reduce the chances of short run times during a sampling period. This issue has been entered into the Corrective Action Program as IR 1067027.

On 5/17/10, the Exelon Pond composite sampler had collected a sample volume that was too small for valid analysis. In this case, sampler was checked mid-week and found with a small volume in the sample bottle, as expected since the Exelon Pond pump had just been started.

However, at the end of the week, the sample volume was too small and a work order was created due to sample line plugging. The sample line solenoid valve was then cleaned and flushed. This issue has been entered into the Corrective Action Program as IR 1073527.

On 6/28/10, the Exelon Pond composite sampler had collected no sample for the previous week although the pond pump had discharged for approximately 21 hours2.430556e-4 days 0.00583 hours 3.472222e-5 weeks 7.9905e-6 months during the week.

This should have been enough time for collection of an adequate sample volume. Because the pond pump was secured at the time of the investigation into this issue, the Environmental Supervisor could not verify a reason for the lack of sample. Actions were assigned for monitoring the next startup and subsequent pump operations to verify proper sampling occurred. This issue has been entered into the Corrective Action Program as IR 1085200.

On 10/4/10, the Exelon Pond composite sampler had no sample for the previous week. The pond pump had discharged for only 11 hours1.273148e-4 days 0.00306 hours 1.818783e-5 weeks 4.1855e-6 months during the week. A request for a work order to clean the sample line solenoid valve and to flush the sample line was created from this issue.

Because the Exelon Pond pump was run for only this 11 hour1.273148e-4 days 0.00306 hours 1.818783e-5 weeks 4.1855e-6 months period during this week and was not run again during October, there was no sample to analyze for an October monthly composite. This issue has been entered into the Corrective Action Program as IR 1135050.

Exelon Pond remediation is not affected by the lack of samples in these instances. There have been no indications of additional contamination since the start of the Exelon Pond remediation and the review of results of Exelon Pond analyses indicate the tritium concentration of the pond has been and remains below the level of detectability for the values described in the ODCM. Thus, the lack of sample analyses in these cases has not affected calculated offsite dose.

On 10/30/10, it was discovered that the ODCM sampling for 2RE-PRO02 has not been completed as required. Because of a human performance error, sampling required to be completed on a twelve hour frequency was not done between 07:51 on 10/29/10 and 10:19 on 10/30/10. A chemistry technician incorrectly removed the sampling communications for the 2RE-PRO02 from the technician's turnover. Quick Human Performance Investigation was performed and actions to prevent recurrence of this error were initiated. This issue has been entered into the Corrective Action Program as IR 1132998.

The calculated offsite dose to the public from station liquid effluents remains low and a small percentage of the quarterly and annual Offsite Dose Calculation Manual (ODCM) limits.

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4.

c.

Less than the lower limit of detection (<LLD)

Samples are analyzed such that the Offsite Dose Calculation Manual (ODCM) LLD requirements are met. When a nuclide is not detected during the quarter then <LLD is reported.

d.

Errata for Previous Annual Radioactive Effluent Release Reports None.

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BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 GAS RELEASES UNIT 1 (Docket Number 50-456)

SUMMATION OF ALL RELEASES Units 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr Est. Total Error%

A. Fission and Activation Gas Releases

1. Total Release Activity Ci 7.21 E-02 6.46E-02 3.48E-01 3.71 E-02 7.59

2. Average Release Rate gCi/sec 9.27E-03 8.22E-03 4.38E-02 4.67E-03

3. Percent of ODCM Limit - gamma 1.15E-05 1.04E-05 7.73E-05 6.12E-06

4. Percent of ODCM Limit - beta 2.79E-05 2.50E-05 1.44E-04 1.45E-05 B. Iodine Releases

1. Total 1-131 Activity Ci 0.OOE+00 0.00E+00 0.00E+00 3.23E-05 33.20

2. Average Release Rate gtCi/sec 0.00E+00 0.OOE+00 0.00E+00 4.06E-06

3. Percent of ODCM Limit - gamma 0.00E+00 0.00E+00 0.00E+00 3.14E+00 C. Particulate (> 8 day half-life) Releases

1. Gross Activity Ci 5,40E-06 0.00E+00 0.OOE+00 I0.OOE+00 19.80

2. Average Release Rate gCi/sec 6.94E-07 0.OOE+00 0.00E+00 0.OOE+00

3. Percent of ODCM Limit 3.07E+00 0.OOE+00 0.OOE+00 0.OOE+00 D. Tritium Releases

1. Total Release Activity Ci 6.81E+01 5.37E+01 9.82E+01 3.77E+01 8.07

2. Average Release Rate aCi/sec 8.76E+00 6.83E+00 1.24E+01 4.74E+00

3. Percent of ODCM Limit 3.07E+00 3.11E+00 3.14E+00 3.14E+00 E. Gross Alpha Releases

1. Total Release Activity Ci

<LLD

<LLD 19.80

2. Average Release Rate

3. Percent of ODCM limit 4-giCi/sec 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 F. Carbon-14 Releases

1. Total Release Activity Ci 1.lOE+00 1.11E+00 1.12E+00 1.12E

2. Average Release Rate gCi/sec 1.41 E-01 1.41 E-01 1.41 E-01 1.41 E-01 Note: LLD Values are included in Appendix A of this report.

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BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 GAS RELEASES UNIT 1 (Docket Number 50-456)

CONTINUOUS MODE AND BATCH MODE Nuclides Released J

Continuous Mode Batch Mode Unit Quarter Quarter Quarter Quarter Quarter Quarter Quarter Quarter 1

2 3

4 1

2 3

4

1. Fission Gases Ar-41 Ci

<LLD

<LLD 3.26E-03

<LLD Kr-85 Ci

<LLD

<LLD Kr-85m Ci

<LLD

<LLD 3.62E-04

<LLD Kr-87 Ci

<LLD

<LLD Kr-88 Ci

<LLD

<LLD Xe-1 31m Ci

<LLD

<LLD Xe-133 Ci

<LLD

<LLD 7.21E-02 6.45E-02 3.29E-01 3.68E-02 Xe-1 33m Ci

<LLD

<LLD 3.50E-03

<LLD Xe-135 Ci

<LLD

<LLD 7.64E-06 9.74E-05 1.21E-02 3.05E-04 Xe-1 35m Ci

<LLD

<LLD Xe-1 38 Ci

<LLD

<LLD Total for Period Ci

<LLD

<LLD 7.21E-02 6.46E-02 3.48E-01 3.71E-02

2. lodines 1-131 Ci

<LLD

<LLD 3.23E-05

<LLD

<LLD 1-132 Ci

<LLD

<LLD 8.60E-05

<LLD

<LLD 1-133 Ci

<LLD

<LLD 1.24E-06

<LLD

<LLD 1-134 Ci

<LLD

<LLD 1-135 Ci

<LLD

<LLD Total for Period Ci

<LLD

<LLD 1.20E-04

<LLD

3. Particulates Cr-51 Ci

<LLD

<LLD Mn-54 Ci

<LLD

<LLD Co-57 Ci

<LLD

<LLD Co-58 Ci

<LLD

<LLD Fe-59 Ci

<LLD

<LLD Co-60 Ci

<LLD

<LLD Zn-65 Ci

<LLD

<LLD Br-82 Ci

<LLD

<LLD Sr-89 Ci

<LLD

<LLD Sr-90 Ci

<LLD

<LLD Mo-99 Ci

<LLD

<LLD Ag-110m Ci

<LLD

<LLD Tc-99m Ci

<LLD

<LLD 6 of 104

BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 GAS RELEASES UNIT 1 (Docket Number 50-456)

CONTINUOUS MODE AND BATCH MODE Nuclides Released Continuous Mode Batch Mode Unit Quarter Quarter Quarter Quarter Quarter Quarter Quarter Quarter 1

2 3

4 1

2 3

4 Sn-i 17m Ci

<LLD

<LLD Cs-134 Ci

<LLD

<LLD Cs-1 37 Ci

<LLD

<LLD Ba-140 Ci

<LLD

<LLD La-140 Ci

<LLD

<LLD Ce-141 Ci

<LLD

<LLD Ce-144 Ci

<LLD

<LLD Nd-147 Ci 5.40E-06

<LLD

<LLD Te-132 Ci

<LLD

<LLD Sn-1 13

<LLD

<LLD Total for Period Ci 5.40E-06

<LLD

4. Tritium Ci 6.76E+01 5.33E+01 9.79E+01 3.52E+01 5.02E-01 3.91E-01 3.12E-01 2.45+00

5. Gross Alpha Ci

<LLD

6. Carbon-14 Ci 1.10E+00 1.11E+00 1.12E+00 1.12E+00 N/A N/A N/A N/A 7 of 104

BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 GAS RELEASES UNIT 2 (Docket Number 50-457)

SUMMATION OF ALL RELEASES Units 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr Est. Total Error%

A. Fission and Activation Gas Releases

1. Total Activity Released Ci 5.31E-02 4.97E-02 3.48E-01 3.71E-02 7.59

2. Average Release Rate 4Ci/sec 6.83E-03 6.32E-03 4.38E-02 4.67E-03

3. Percent of ODCM Limit - gamma 8.47E-06 7.99E-06 7.73E-05 6.12E-06

4. Percent of ODCM Limit - beta 2.05E-05 1.92E-05 1.44E-04 1.45E-05 B. Iodine Releases

1. Total 1-131 Activity Ci 0.00E+00 0.00E+00 0.00E+00 3.34E-05 33.20

2. Average Release Rate gCi/sec 0.00E+00 0.OOE+00 0.OOE+00 4.20E-06

3. Percent of ODCM Limit 0.OOE+00 0.OOE+00 0.OOE+00 3.15E+00 C. Particulate (> 8 day half-life) Releases 1i. Gross Activity Ci 0.00E+00 0.00E+00 0.OOE+00 0.00E+00 19.80

2. Average Release Rate 4iCi/sec 0.00E+00 0.OOE+00 0.OOE+00 0.OOE+00

3. Percent of OCDM Limit 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 D. Tritium Releases

1. Total Release Activity I

Ci 1.78E+00 1.29E+01 3.64E+01 3.44E+01 8.07

2. Average Release Rate I iCi/sec I 2.29E-01 1.64E+00 4.58E+00 4.33E+00

3. Percent of ODCM Limit I

13.08E+00 3.11 E+00 3.14E+00 3.15E+00 E. Gross Alpha Releases

1. Total Release Activity Ci 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 19.80

2. Average Release Rate

3. Percent of ODCM Limit IitCi/sec 0.OOE+00 0.OOE+00 0.OOE+00 0,00E+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 F. Carbon-14 Releases i1. Total Release Activity I

Ci 1.1OE+00 1.11E+00 1.12E+00 1.12E+00

2. Average Release Rate gCi/sec 1.41 E-01 1.41E-01 1.41E-01 1.41E-01 Note: LLD Values are included in Appendix A of this report.

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BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 GAS RELEASES UNIT 2 (Docket Number 50-457)

CONTINUOUS MODE AND BATCH MODE Nuclides Released

_Continuous Mode Batch Mode Unit Quarter Quarter Quarter Quarter Quarter Quarter Quarter Quarter 1

2 3

4 1

2 3

4

1. Fission Gases Ar-41 Ci

<LLD

<LLD 3.26E-03

<LLD Kr-85 Ci

<LLD

<LLD Kr-85m Ci

<LLD

<LLD 3.62E-04

<LLD Kr-87 Ci

<LLD

<LLD Kr-88 Ci

<LLD

<LLD Xe-131m Ci

<LLD

<LLD Xe-133 Ci

<LLD

<LLD 5.31E-02 4.96E-02 3.29E-01 3.68E-02 Xe-133m Ci

<LLD

<LLD 3.50E-03

<LLD Xe-135 Ci

<LLD

<LLD 7.64E-06 9.74E-05 1.21E-02 3.05E-04 Xe-1 35m Ci

<LLD

<LLD Xe-138 Ci

<LLD

<LLD Total for Period Ci

<LLD

<LLD 5.31 E-02 4.97E-02 3.48E-01 3.71 E-02

2. lodines 1-131 Ci

<LLD

<LLD 3.34E-05

<LLD

<LLD 1-132 Ci

<LLD

<LLD 2.63E-04

<LLD

<LLD 1-133 Ci

<LLD

<LLD 9.70E-06

<LLD

<LLD 1-134 Ci

<LLD

<LLD 1-135 Ci

<LLD

<LLD Total for Period Ci

<LLD

<LLD 3.06E-04

<LLD

3. Particulates Cr-51 Ci

<LLD

<LLD Mn-54 Ci

<LLD

<LLD Co-57 Ci

<LLD

<LLD Co-58 Ci

<LLD

<LLD Fe-59 Ci

<LLD

<LLD Co-60 Ci

<LLD

<LLD Zn-65 Ci

<LLD

<LLD Br-82 Ci

<LLD

<LLD Sr-89 Ci

<LLD

<LLD Sr-90 Ci

<LLD

<LLD Mo-99 Ci

<LLD

<LLD Ag-110m Ci

<LLD

<LLD Tc-99m Ci

<LLD

<LLD 9 of 104

BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 GAS RELEASES UNIT 2 (Docket Number 50-457)

CONTINUOUS MODE AND BATCH MODE Nuclides Released Continuous Mode Batch Mode Unit Quarter Quarter Quarter Quarter Quarter Quarter Quarter Quarter 1

2 3

4 1

2 3

4 Sn-i 17m Ci

<LLD

<LLD Cs-1 34 Ci

<LLD

<LLD Cs-1 37 Ci

<LLD

<LLD Ba-140 Ci

<LLD

<LLD La-140 Ci

<LLD

<LLD Ce-141 Ci

<LLD

<LLD Ce-144 Ci

<LLD

<LLD Nd-147 Ci

<LLD

<LLD Te-132 Ci

<LLD

<LLD Sn-1 13 Ci

<LLD

<LLD Total for Period Ci

<LLD

<LLD 4.1OE-06

<LLD

4. Tritium Ci 1.50E+00 1.27E+01 3.61E+01 3.41E+01 2.81E-01 2.18E-01 3.52E-01 3.54E-01

5. Gross Alpha Ci

<LLD

6. Carbon-14 Ci 1.10E+00 1.11E+00 1.12E+00 1.12E+00 N/A N/A N/A N/A 10 of 104

BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 LIQUID RELEASES UNIT 1 (Docket Number 50-456)

SUMMATION OF ALL RELEASES Units 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr Est Total I

I II I

IError% I A. Fission and Activation Products

1. Total Activity Released Ci 1.51E-03 4.04E-03 1.70E-03 6.24E-03 2.64

2. Average Concentration Released tCi/ml 2.48E-10 1.OOE-09 4.27E-10 2.30E-09

3. Percent of limit B. Tritium

1. Total Activity Released I

Ci J3.49E+01 11.09E+02 1.16E+02 11.35E+021 5.85

2. Average Concentration Released JCi/ml 5.74E-06 2.71 E-05 2.92E-05 4.97E-05

3. % of Limit (1E-2 iCi/ml) 5.74E-02 2.71 E-01 2.92E-01 4.97E-011 C. Dissolved Noble Gases

1. Total Activity Released Ci 0.OOE+00 0.OOE+00 0.OOE+00 5.16E-06 2.64

2. Average Concentration Released I

.Ci/ml 0.OOE+00 0.00E+00 0.OOE+00 1.90E-12

3. % of Limit (2E-4 IaCi/ml) 0.OOE+00 0.OOE+00 0.OOE+00 9.51 E-07 D. Gross Alpha

1. Total Activity Released Ci 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 14.70 E. Volume of Releases

11. Volume of Liquid Waste to Discharge Iliters I 9.43E+04 1 1.50E+05 1 2.23E+05 I 2.10E+05

2. Volume of Dilution Water liters 6.08E+09 4.02E+09 3.98E+09 2.71 E+09 Note: LLD Values are included in Appendix A of this report.

Note: % Limit Values are included in Appendix B of this report.

This limit is equal to 10 times the concentration values in Appendix B, Table 2, Column 2 to 1 OCFR20.1001-20.2402.

11 of 104

BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 LIQUID RELEASES UNIT 1 (Docket Numbers 50-456)

CONTINUOUS MODE & BATCH MODE Nuclides Released Continuous Mode Batch Mode Unit Quarter Quarter Quarter Quarter Quarter Quarter Quarter Quarter 1

2 3

4 1

2 3

4 H-3 Ci 1.08E+01 6.88E+01 2.OOE+01 2.40E+01 2.41E+01 3.98E+01 9.63E+01 1.11E+02 Gross Alpha Ci

<LLD

<LLD Ar-41 Ci

<LLD

<LLD 5.16E-06 Cr-51 Ci

<LLD

<LLD 1.32E-04 Mn-54 Ci

<LLD

<LLD 1.71E-05 1.02E-04 5.11E-05 6.97E-05 Fe-55 Ci

<LLD

<LLD Co-57 Ci

<LLD

<LLD 6.23E-06 3.28E-05 8.11E-06 3.01 E-05 Co-58 Ci

<LLD

<LLD 5.86E-04 7.99E-04 2.99E-04 2.03E-03 Fe-59 Ci

<LLD

<LLD 4.49E-05 Co-60 Ci

<LLD

<LLD 1.97E-04 2.09E-03 1.18E-03 1.06E-03 Ni-65 Ci

<LLD

<LLD Zn-65 Ci

<LLD

<LLD Kr-85 Ci

<LLD

<LLD Kr-87 Ci

<LLD

<LLD Kr-88 Ci

<LLD

<LLD Sr-89 Ci

<LLD

<LLD Sr-90 Ci

<LLD

<LLD Nb-95 Ci

<LLD

<LLD 2.83E-05

<LLD 4.50E-05 Zr-95 Ci

<LLD

<LLD 1.83E-05 Nb-97 Ci

<LLD

<LLD 5.47E-07 Zr-97 Ci

<LLD

<LLD Tc-99m Ci

<LLD

<LLD Mo-99 Ci

<LLD

<LLD Ru-103 Ci

<LLD

<LLD Ag-i 1 Om Ci

<LLD

<LLD Sn-1 13 Ci

<LLD

<LLD Sn-i 17m Ci

<LLD

<LLD Sb-122 Ci

<LLD

<LLD Te-123m Ci

<LLD

<LLD 9.32E-06

<LLD

<LLD 9.28E-06 Sb-124 Ci

<LLD

<LLD 4.18E-05 1.03E-05

<LLD

<LLD Sb-125 Ci

<LLD

<LLD 6.52E-04 9.62E-04 1.29E-04 2.02E-04 Te-125m Ci

<LLD

<LLD 2.57E-03 Xe-131m Ci

<LLD

<LLD 1-131 Ci

<LLD

<LLD 1-132 Ci

<LLD

<LLD 7.32E-06 Te-132 Ci

<LLD

<LLD 8.85E-06 12 of 104

BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 LIQUID RELEASES UNIT 1 (Docket Numbers 50-456)

CONTINUOUS MODE & BATCH MODE Nuclides Released Continuous Mode Batch Mode Unit Quarter Quarter Quarter Quarter Quarter Quarter Quarter Quarter 1

2 3

4 1

2 3

4 Ba-1 33 Ci

<LLD

<LLD 1-133 Ci

<LLD

<LLD Xe-1 33 Ci

<LLD

<LLD Xe-1 33m Ci

<LLD

<LLD Cs-134 Ci

<LLD

<LLD 4.51E-06 6.55E-06 1.20E-05 2.74E-06 Xe-135 Ci

<LLD

<LLD 1-134 Ci

<LLD

<LLD 1-135 Ci

<LLD

<LLD Cs-1 36 Ci

<LLD

<LLD Cs-137 Ci

<LLD

<LLD 7.24E-06 2.98E-05 8.64E-06 Cs-1 38 Ci

<LLD

<LLD Xe-1 38 Ci

<LLD

<LLD Ba-1 39 Ci

<LLD

<LLD Ba-140 Ci

<LLD

<LLD La-140 Ci

<LLD

<LLD Ce-141 Ci

<LLD

<LLD Ce-144 Ci

<LLD

<LLD Np-239 Ci

<LLD

<LLD Total for period Ci 1.08E+01 6.88E+01 2.OOE+01 2.40E+01 2.41E+01 3.98E+1 9.63E+O1 1.11 E+02 13 of 104

BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 LIQUID RELEASES UNIT 2 (Docket Number 50-457)

SUMMATION OF ALL RELEASES Units 1st Qtr 2nd Qtr 3rd Otr 4th Qtr Es

°Total A. Fission and Activation Products

1. Total Activity Released Ci 1.51 E-03 4.04E-03 1.70E-03 6.24E-03 2.64

2. Average Concentration Released gCi/mI 2.48E-10 1.OOE-09 4.27E-10 2.30E-09

3. Percent of Limit B. Tritium

1. Total Activity Released Ci 3.49E+01 1.09E+02 11.16E+02 1.35E+02 1 5.85

2. Average Concentration Released gCi/ml 5.74E-06 2.71 E-05 2.92E-05 4.97E-05

3. % of Limit (1E-3 iCi/m1) 5.74E-02 12.71 E-01 2.92E-01 4.97E-01 C. Dissolved Noble Gases

1. Total Activity Released Ci 0.OOE+00 I 0.OOE+00 0.OOE+00 5.16E-06 2.64

2. Average Concentration Released jiCi/ml 0.OOE+00 0.OOE+00 0.OOE+00 1.90E-12

3. % of Limit (2E-4 40Ci/ml) 0.OOE+00 0.00E+00 0.OOE+00 9.51 E-07J D. Gross Alpha

1. Total Activity Released Ci 0.OOE+00 0.OOE+00 0.OOE+00 0.00E+001 14.70-I E. Volume of Releases

11. Volume of Liquid Waste to Discharge Iliters I 9.43E+04 11.50E+051I 2.23E+051I 2.10OE+0'5

2. Volume of Dilution Water liters 6.08E+09 I 4.02E+09 3.98E+09 2.71 E+09 Note: LLD Values are included in Appendix A of this report.

Note: % Limit Values are included in Appendix B of this report.

This limit is equal to 10 times the concentration values in Appendix B, Table 2, Column 2 to 1 OCFR20.1001-2402.

14 of 104

BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 LIQUID RELEASES UNIT 2 (Docket Numbers 50-457)

CONTINUOUS MODE & BATCH MODE Nuclides Released Continuous Mode Batch Mode Unit Quarter Quarter Quarter Quarter Quarter Quarter Quarter Quarter 1

2 3

4 1

2 3

4 H-3 Ci 1.08E+01 6.88E+01 2.OOE+01 2.40E+01 2.41E+01 3.98E+01 9.63E+01 1.11E+02 Gross Alpha Ci

<LLD

<LLD Ar-41 Ci

<LLD

<LLD 5.16-06 Cr-51 Ci

<LLD

<LLD 1.32E-04 Mn-54 Ci

<LLD

<LLD 1.71E-05 1.02E-04 5.11E-05 6.97E-05 Fe-55 Ci

<LLD

<LLD Co-57 Ci

<LLD

<LLD 6.23E-06 3.28E-05 8.11 E-06 3.01 E-05 Co-58 Ci

<LLD

<LLD 5.86E-04 7.99E-04 2.99E-04 2.03E-03 Fe-59 Ci

<LLD

<LLD 4.49E-05 Co-60 Ci

<LLD

<LLD 1.97E-04 2.09E-03 1.18E-03 1.06E-03 Ni-65 Ci

<LLD

<LLD Zn-65 Ci

<LLD

<LLD Kr-85 Ci

<LLD

<LLD Kr-87 Ci

<LLD

<LLD Kr-88 Ci

<LLD

<LLD Sr-89 Ci

<LLD

<LLD Sr-90 Ci

<LLD

<LLD Nb-95 Ci

<LLD

<LLD 2.83E-05

<LLD 4.50E-05 Zr-95 Ci

<LLD

<LLD 1.83E-05 Nb-97 Ci

<LLD

<LLD 5.47E-07 Zr-97 Ci

<LLD

<LLD Tc-99m Ci

<LLD

<LLD Mo-99 Ci

<LLD

<LLD Ru-103 Ci

<LLD

<LLD Ag-110m Ci

<LLD

<LLD Sn-113 Ci

<LLD

<LLD Sn-117m Ci

<LLD

<LLD Sb-122 Ci

<LLD

<LLD Te-123m Ci

<LLD

<LLD 9.32E-06

<LLD

<LLD 9.28E-06 Sb-124 Ci

<LLD

<LLD 4.18E-05 1.03E-05

<LLD

<LLD Sb-125 Ci

<LLD

<LLD 6.52E-04 9.62E-04 1.29E-04 2.02E-04 Te-125m Ci

<LLD

<LLD 2.57E-03 Xe-1 31m Ci

<LLD

<LLD 1-131 Ci

<LLD

<LLD 1-132 Ci

<LLD

<LLD 7.32E-06 Te-132 Ci

<LLD

<LLD 8.85E-06 15 of 104

BRAIDWOOD NUCLEAR POWER STATION ANNUAL EFFLUENT REPORT FOR 2010 LIQUID RELEASES UNIT 2 (Docket Numbers 50-457)

CONTINUOUS MODE & BATCH MODE Nuclides Released Continuous Mode Batch Mode Unit Quarter Quarter Quarter Quarter Quarter Quarter Quarter Quarter 1

2 3

4 1

2 3

4 Ba-1 33 Ci

<LLD

<LLD 1-133 Ci

<LLD

<LLD

<LLD Xe-133 Ci

<LLD

<LLD Xe-1 33m Ci

<LLD

<LLD Cs-134 Ci

<LLD

<LLD 4.51E-06 6.55E-06 1.20E-05 2.74E-06 Xe-135 Ci

<LLD

<LLD 1-134 Ci

<LLD

<LLD 1-135 Ci

<LLD

<LLD Cs-136 Ci

<LLD

<LLD Cs-137 Ci

<LLD

<LLD 7.24E-06 2.98E-05 8.64E-06 Cs-138 Ci

<LLD

<LLD Xe-1 38 Ci

<LLD

<LLD Ba-1 39 Ci

<LLD

<LLD Ba-140 Ci

<LLD

<LLD La-140 Ci

<LLD

<LLD Ce-141 Ci

<LLD

<LLD Ce-144 Ci

<LLD

<LLD Np-239 Ci

<LLD

<LLD Total for period Ci 1.08E+01 6.88E+01 2.OOE+01 2.40E+01 2.41E+01 3.98E+01 9.63E+01 1.11 E+02 16 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 SOLID RADIOACTIVE WASTE UNIT 1 AND 2 COMBINED (Docket Numbers 50-456 and 50-457)

A. Solid Waste Shipped Offsite for Burial or Disposal (Not irradiated fuel)

1. Types of Waste Total Types of Waste Quantity Total Activity Period Est. Total (m3)

(Ci)

Error %

Jan - Dec

a. Spent resins, filter sludges, evaporator bottoms, etc 1.08E+02 3.30E+01 2010 25 Jan - Dec

b. Dry compressible waste, contaminated equip, etc 3.63E+02 1.01 E+00 Jan01De 25

c. Irradiated components, control rods, etc 1.75E-01 4.81E-02 2010 N/A

d. Other (oil, reverse osmosis reject water, soil, Lagoon 1.13E+02 1.08E-02 Jan - Dec 25 sediment) 2010

2. Estimate of major nuclide composition (by waste type)

Major Nuclide Composition

a.

H-3 27.22 Ni-63 24.00 Fe-55 16.29 Cs-137 10.44 Cs-134 10.00 Co-60 6.39 Co-58 3.66 Mn-54 0.89 17 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 SOLID RADIOACTIVE WASTE UNIT 1 AND 2 COMBINED (Docket Numbers 50-456 and 50-457)

2. Estimate of major nuclide composition (by waste type) cont.

Major Nuclide Composition

b.

Fe-55 41.70 H-3 22.69 Ni-63 14.47 Co-60 12.04 Co-58 4.66 Mn-54 1.69 Cs-1 37 0.82

c.

Co-60 89.80 Fe-55 6.06 Ni-63 3.98 C-14 0.11

d.

Fe-55 45.46 Co-58 17.45 Ni-63 10.92 Co-60 10.38 H-3 10.19 Mn-54 1.41 Cs-1 37 0.97

3. Solid Waste Disposition Number of Shipments Mode of Transportation Destination 2

Hittman Transportation Clive Disposal Facility (bulk) - Clive, UT 7

TClive Disposal Facility (containerized),

7Hittman Transportation Clive, UT 10 Hittman Transportation Duratek, Oak Ridge, TN 16 Hittman Transportation Duratek, Kingston, TN B. Irradiated Fuel Shipments (disposition)

No irradiated fuel shipments for January through December, 2010.

C. Changes to the Process Control Proqram There were no changes to the process control program in 2010.

18 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 UNIT 1 AND 2 COMBINED (Docket Numbers 50-456 and 50-457)

1.

In 2010, there were no changes to the Process Control Program.

2.

In 2010, there were no changes to the station's radioactive waste systems.

3.

There were no liquid release tanks or gas decay tanks which exceeded the limits addressed in the ODCM 2010.

4.

There were no abnormal liquid releases in 2010 resulting in offsite discharge.

One abnormal gaseous release occurred in 2010 and is described below.

On August 16, 2010, following a trip of Unit 1, steam containing tritium was released to the atmosphere through a Main Steam line safety relief valve. The release took place over approximately 27 hours3.125e-4 days 0.0075 hours 4.464286e-5 weeks 1.02735e-5 months . At the time of the release, Unit 1 secondary system tritium concentration was 3.64E-05 gCi/cc. A conservative release permit was performed in the Radioactive Effluent Dose Tracking and Dose Assessment Software (RETDAS). This permit #2010201, was used to calculate the offsite dose from the gaseous release. Condensation of the steam reached the ground near the gaseous release. This condensation was limited to a small area and did not reach offsite. Previously installed site groundwater monitoring wells will be used to monitor the potential migration of this material. This issue has been entered into the Corrective Action Program as IR 1102248.

5.

The following effluent monitoring instruments exceeded their specified inoperability time.

Liquid Radwaste Effluent Line Loop WX001 (flow instrument OF-WX001) exceeded its inoperability time on 4/27/07. At that time, required surveillances for this effluent instrument were taken to "suspend" and were not performed because the effluent flow path was no longer in use at Braidwood Station. A design change and modification to this flow path and this instrument were started in October 2010, and was in progress with final testing incomplete as of 12/31/10. Testing includes effluent releases through the flow path following the requirements described in the ODCM for effluent releases with the instrument inoperable. This issue has been entered into the Corrective Action Program as IR 723658.

Liquid Radwaste Effluent Line Radiation Monitor, ORE-PROO1, exceeded its inoperability time on 11/7/10. The instrument was removed from service for modification related to the installation of an additional Liquid Radwaste Effluent Line Radiation Monitor, ORE-PRO90. Modification testing was in progress with final testing incomplete as of 12/31/10. Testing includes effluent releases through the flow path. Those releases were performed in accordance with the requirements described in the ODCM for effluent releases with the instrument inoperable. This issue has been entered into the Corrective Action Program as IR 1136983.

Liquid Radwaste Effluent Line Radiation Monitor, ORE-PRO90, was installed in October 2010 during modification work on the liquid radwaste effluent path. This rad monitor exceeded its inoperability time on 12/28/10 due to continued installation and modification testing. The testing was incomplete as of 12/31/10. Testing includes effluent releases through the flow path. Those releases were performed in accordance with the requirements described in the ODCM for effluent releases with the instrument inoperable. This issue has been entered into the Corrective Action Program as IR 1206147.

6.

The ODCM was changed in 2010 to include the installation of a new liquid radwaste effluent radiation monitor, ORE-PRO90. The ODCM change also included several editorial and administrative changed to correct spelling, font and format discrepancies, and to include commitments as required by Exelon procedures. An administrative change was made to the sampling frequency of Radiological Environmental Monitoring Program (REMP) air iodine from bi-weekly to weekly. No changes were made to the manner in which offsite dose is calculated.

19 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 UNIT 1 AND 2 COMBINED (Docket Numbers 50-456 and 50-457)

7.

NUREG-0543, Methods for Demonstrating LWR Compliance with the EPA Uranium Fuel Cycle Standard (40 CFR Part 190) states in section IV, "As long as a nuclear plant site operates at a level below the Appendix I reporting requirements, no extra analysis is required to demonstrate compliance with the 40 CFR Part 190." The organ and whole body doses reported on pages 28 through 47 are determined using 10 CFR 50 Appendix I methodology. The doses are below the limits of Appendix I.

20 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 UNIT 1 AND 2 (Docket Numbers 50-456 and 50-457)

APPENDIX A LLD Tables 21 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2009 UNIT 1 AND 2 (Docket Numbers 50-456 and 50-457)

LLD VALUES FOR GASEOUS RELEASES Isotope Alpha H-3 Ar-41 Mn-54 Co-57 Co-58 Fe-59 Co-60 Zn-65 Br-82 Kr-85 Kr-85m Kr-87 Kr-88 Sr-89 Sr-90 Mo-99 1-131 1-132 1-133 Xe-1 31 m Xe-1 33 Xe-1 33m Cs-1 34 1-135 Xe-135 Xe-135m Cs-137 Xe-138 Ba-139 Ba-1 40 La-140 Ce-141 Ce-144 LLD (Ci/ml) 7.11E-19 8.03E-14 7.63E-13 1.89E-18 1.02E-18 5.67E-19 3.64E-18 8.94E-19 4.80E-1 8 7.44E-1 9 5.83E-1 1 7.03E-1 3 7.59E-1 3 3.18E-12 1.41 E-20 2.71 E-21 9.37E-19 8.96E-19 2.38E-1 7 1.17E-18 1.82E-11 1.27E-12 4.87E-12 2.25E-18 2.88E-18 5.17E-13 1.48E-11 2.18E-18 4.65E-1 1 1.04E-15 4.45E-18 3.64E-18 1.78E-18 7.93E-18 NOTE:

LLD Value for total activity released is based on LLD values for individual isotopes used in the calculation.

22 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 UNIT 1 AND 2 (Docket Numbers 50-456 and 50-457)

LLD VALUES FOR LIQUID RELEASES Isotope LLD (Ci/ml)

Alpha 4.90E-14 H-3 8.OOE-12 Ar-41 3.73E-14 Cr-51 4.46E-13 Mn-54 1.56E-14 Fe-55 6.99E-13 Co-57 4.64E-14 Co-58 4.39E-14 Fe-59 3.94E-14 Co-60 9.40E-14 Zn-65 4.04E-14 Sr-89 4.OOE-14 Sr-90 9.23E-1 5 Nb-95 1.64E-14 Zr-95 1.22E-13 Nb-97 1.51E-13 Mo-99 2.94E-1 3 Tc-99m 3.OOE-13 Ag-110m 7.89E-14 Sb-124 5.43E-14 Sb-125 1.87E-13 Te-125m 1.62E-11 I-131 1.36E-13 Xe-133 1.41E-13 Cs-134 5.02E-14 Cs-137 6.50E-14 Ba-139 3.57E-1 3 Ba-140 1.50E-13 La-140 5.89E-1 3 Ce-141 9.35E-14 Ce-144 3.48E-1 3 Kr-85 9.29E-12 Nb-95 1.64E-14 Sb-122 4.32E-1 3 Te-1 23m 4.92E-14 Te-1 32 2.28E-13 1-132 5.93E-14 1-133 2.37E-1 1 Cs-1 36 9.72E-14 Xe-1 33m 3.81 E-1 3 Xe-1 31 m 1.72E-12 Np-239 1.64E-12 Ba-133 6.31E-14 Xe-135 2.43E-13 NOTE:

LLD Value for Total Activity Released is based on LLD Values for individual isotopes used in the calculation.

23 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 UNIT 1 AND 2 (Docket Numbers 50-456 and 50-457)

APPENDIX B Supplemental Information 24 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 UNIT COMMON GASEOUS EFFLUENTS SUPPLEMENTAL RELEASE INFORMATION A. Batch Release 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr Total

1. Total Number of Batch Releases

2. Total Time Period for Batch Releases (minutes)

3. Maximum Time Period for a Batch Release (minutes)

4. Average Time Period for a Batch Release (minutes)

5. Minimum Time Period for a Batch Release (minutes)

B. Abnormal Releases

1. Number of Releases

2. Total Activity Released (Ci) 3 2,914 2,590 971 1

7 2,704 1,580 386 129 7

1,363 665 195 47 5

22 752 7,733 206 N/A 150 N/A N/A 91 0

0 0

0 25 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 UNIT 1 (Docket Number 50-456)

GASEOUS EFFLUENTS SUPPLEMENTAL RELEASE INFORMATION A. Batch Release

1. Total Number of Batch Releases

2. Total Time Period for Batch Releases (minutes)

3. Maximum Time Period for a Batch Release (minutes)

4. Average Time Period for a Batch Release (minutes)

5. Minimum Time Period for a Batch Release (minutes) 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr 20 1,158 305 18 984 414 20 778 103 23 35,138 14,400 Total 81 38,058 N/A 58 20 55 22 39 1,528 N/A N/A 21 22 B. Abnormal Releases

1. Number of Releases 0

0 0

1 0

0 1

2. Total Activity Released (Ci) 0 4.31 E+04 0

26 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 UNIT 2 (Docket Number 50-457)

GASEOUS EFFLUENTS SUPPLEMENTAL RELEASE INFORMATION A. Batch Release

1. Total Number of Batch Releases

2. Total Time Period for Batch Releases (minutes)

3. Maximum Time Period for a Batch Release (minutes)

4. Average Time Period for a Batch Release (minutes)

5. Minimum Time Period for a Batch Release (minutes) 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr Total 22 978 286 44 13 18 537 58 30 7

22 671 41 31 16 23 1,721 961 75 17 87 3,970 N/A N/A N/A B. Abnormal Releases

1. Number of Releases

2. Total Activity Released (Ci) 0 0

0 0

27 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 UNIT 1 AND 2 COMBINED (Docket Numbers 50-456 and 50-457)

BRAIDWOOD NUCLEAR POWER STATION LIQUID EFFLUENTS A.

Batch Release SUPPLEMENTAL RELEASE INFORMATION 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr

1.

Total Number of Batch Releases 5

8 12 14

2.

Total Time Period for Batch Releases (minutes)

3.

Maximum Time Period for a Batch Release (minutes)

4.

Average Time Period for a Batch Release

5.

Minimum Time Period for a Batch Release (minutes)

6.

Average Stream Flow During Periods of Release of Effluent into a Flowing Stream (lite rs/min)

B.

Abnormal Releases

1.

Number of Releases

2.

Total Activity Released (Ci) 1,123 236 225 211 1,921 287 240 220 2,713 3,374 260 226 192 327 241 10 Total 39 9,131 N/A N/A N/A N/A 1.36E+07 1.48E+07 3.51E+06 2.40E+06 0

0 0

0.00+00 0.00+00 0.00+00 0.OOE+00 0.OOE+00 28 of 104

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VSSI GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -

BY UNIT (Composite Critical Receptor - Limited Analysis)

Release ID.............

1 All Gas Release Types Period Start Date....

01/01/2010 00:00 Period End Date.......

01/01/2011 00:00 Period Duration (min): 5.256E+05 Coefficient Type..... :.Historical Unit....................

1 RELEASE DATA Total Release Duration (minutes)......................................

9.500E+05 Total Release Volume (cf).............................................

1.401E+11 Average Release Flowrate (cfm)........................................

1.474E+05 Average Period Flowrate (cfm)D..................................

2.665E+05

==NUCLIDE DATA Nuclide AR-41 KR-85M XE-133M XE-131M XE-135 XE-133 F&AG 1-131 1-132 1-133 Iodine H-3 H-3 C-14 ND-147 P>=8 Total uCi

3. 26E+03 3 62E+02 3.50E+03

0. OOE+00 1.25E+04

5. 02E+05

5. 22E+05 3. 23E+01 8.60E+01 1.24E+00 1.20E+02 2.58E+08

2. 58E+08

4. 44E+06

5. 40E+00

4. 44E+06 Average uCi/cc

8. 23E-13 9.12E-14

8. 83E-13 0 OOE+00 3.15E-12 1.27E-10 1.32E-10 8.14E-15 2.17E-14 3.13E-16 3.01E-14 6.50E-08 6.50E-08 1.12E-09 1.36E-15 1.12E-09 ECrcent Ratio 8.23E-05 9.12E-07 1.47E-06 0.OOE+00 4.50E-05 2.53E-04 3.83E-04 4.07E-05 1.08E-06 3.13E-07 4.21E-05 6.50E-01 6.50E-01 3.74E-01 1.36E-06 3.74E-01 EC

1. OOE-08

1. OOE-07

6. OOE-07 2.OOE-06

7. OOE-08 5.OOE-07

2. OOE-10

2. OOE-08 1.OOE-09 1.OOE-07 3. OOE-09 1.00E-09 2.63E+08 6.62E-08 1.02E+00 29 of 104

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SUMMARY

REPORT -

BY UNIT (Composite Critical Receptor -

Limited Analysis)

Release ID.............

1 All Gas Release Types Period Start Date....

.01/01/2010 00:00 Period End Date......

.01/01/2011 00:00 Period Duration (min): 5.256E+05 Coefficient Type..... :.Historical Unit..................

1 Receptor................

5 Composite Crit. Receptor -

IP Distance (meters)....

.0.0 Compass Point..........

0.0 PERIOD DOSE BY AGEGROUP,

PATHWAY, ORGAN (mrem)

Age/Path Bone Liver Thyroid Kidney Lung GI-Lli Skin AGPD AINHL AVEG ACMEAT ACMILK TGPD TINHL TVEG TCMEAT TCMILK CGPD CINHL CVEG CCMEAT CCMILK IGPD IINHL ICMILK 3.71E-07

2. 98E-03 1.47E-01 5.45E-02

5. 94E-02 3.71E-07 4.25E-03 2.37E-01

4. 60E-02

1. l0E-01 3.71E-07

5. 87E-03 5.73E-01

8. 65E-02 2.70E-01 3.71E-07 4.33E-03 5.28E-01 3.71E-07 7.37E-03

4. 15E-02 1.27E-02

1. 60E-02 3.71E-07

7. 67E-03

6. 16E-02 1.02E-02 2.73E-02 3.71E-07 7.17E-03 1.36E-01 1.86E-02 6.24E-02 3.71E-07

4. 36E-03 1.26E-01 3.71E-07 7. 39E-03 4.21E-02 1.27E-02 1.83E-02

3. 71E-07

7. 69E-03 6.21E-02 1.03E-02

3. 1OE-02 3.71E-07

7. 19E-03 1.37E-01 1.87E-02

6. 96E-02 3.71E-07

4. 38E-03 1.43E-01

3. 71E-07 7.37E-03

4. 15E-02

1. 27E-02 1.60E-02

3. 71E-07

7. 67E-03

6. 16E-02 1.02E-02 2.73E-02 3.71E-07

7. 17E-03 1.36E-01 1.86E-02 6.24E-02

3. 71E-07

4. 36E-03 1.26E-01 3.71E-07 7.37E-03

4. 15E-02

1. 27E-02

1. 60E-02

3. 71E-07

7. 67E-03

6. 16E-02

1. 02E-02 2. 73E-02

3. 71E-07

7. 17E-03

1. 36E-01

1. 86E-02 6.23E-02

3. 71E-07

4. 36E-03 1.26E-01 3.71E-07 7.37E-03

4. 15E-02 1.27E-02 1.60E-02 3.71E-07

7. 67E-03

6. 16E-02

1. 02E-02

2. 73E-02 3.71E-07

7. 17E-03 1.36E-01

1. 86E-02

6. 23E-02 3.71E-07

4. 36E-03 1.26E-01

0. OOE+00 0 OOE+00

0. OOE+00 0 OOE+00 0 OOE+00 0 OOE+00 0 OOE+00

0. OOE+00

0. OOE+00 TB 3.71E-07

7. 37E-03 4.15E-02 1.27E-02

1. 60E-02

3. 71E-07

7. 67E-03

6. 16E-02

1. 02E-02

2. 73E-02 3.71E-07 7.17E-03 1.36E-01

1. 86E-02

6. 23E-02 3.71E-07 4.36E-03 1.26E-01 PERIOD DOSE BY AGEGROUP, ORGAN (mrem)

Agegroup Bone Liver Thyroid Kidney Lung GI-Lli Skin TB ADULT 2.64E-01 7.75E-02 8.06E-02 7.76E-02 7.75E-02 7.75E-02 0.OOE+00 7.75E-02 TEEN 3.97E-01 1.07E-01 1.11E-01 1.07E-01 1.07E-01 1.07E-01 0.OOE+00 1.07E-01 CHILD 9.35E-01 2.25E-01 2.33E-01 2.25E-01 2.25E-01 2.25E-01 0.OOE+00 2.25E-01 INFANT 5.33E-01 1.30E-01 1.48E-01 1.30E-01 1.30E-01 1.30E-01 0.OOE+00 1.30E-01 30 of 104

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VSSI GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -

BY UNIT (Composite Critical Receptor - Limited Analysis)

Release ID...........

Period Start Date....

Period End Date......

Period Duration (min)

Coefficient Type.....

Unit.................

Receptor.............

Distance (meters)....

Compass Point........

1 All Gas Release Types 01/01/2010 00:00 01/01/2011 00:00 5.256E+05 Historical

1 5

Composite Crit. Receptor -

IP 0.0 0.0 MAXIMUM PERIOD DOSE TO LIMIT (Any Organ)

Dose Age Dose Limit Admin Admin

% T.Spec T.Spec %

Period Group Organ (mrem)

Period Limit of Limit Limit of Limit Strt->End CHILD BONE 9.35E-01 31-day 2.25E-01 4.15E+02 3.OOE-01 3.12E+02 Qrtr->End CHILD BONE 9.35E-01 Quarter 5.63E+00 1.66E+01 7.50E+00 1.25E+01 Year->End CHILD BONE 9.35E-01 Annual 1.13E+01 8.31E+00 1.50E+01 6.23E+00 Critical Pathway........

.2 Vegetation (VEG)

Major Contributors......

.0.0

% or greater to total Nuclide Percentage H-3 0.OOE+00 C-14 1.OOE+02 1-131 2.66E-03 1-132 6.69E-06 1-133 1.68E-06 ND-147 2.80E-06 MAXIMUM PERIOD DOSE TO LIMIT (Tot Body))

Dose Period Strt->End Qrtr->End Year->End Age Group CHILD CHILD CHILD Organ TBODY TBODY TBODY Dose (mrem) 2.25E-01 2.25E-01 2.25E-01 Limit Period 31-day Quarter Annual Admin Limit

1. 50E-01

5. 25E+00

1. 05E+01 Admin of Limit

1. 50E+02 4.28E+00

2. 14E+00 T. Spec Limit

2. OOE-01

7. 50E+00

1. 50E+01 T.Spec %

of Limit

1. 12E+02 2. 99E+00

1. 50E+00 Critical Pathway........

Major Contributors.......

Nuclide Percentage H-3 1.67E+01 C-14 8.33E+01 1-131 6.41E-03 1-132 2.75E-05 1-133 3.66E-06 ND-147 1.07E-05 2

Vegetation (VEG) 0.0

% or greater to total 31 of 104

RETDAS v3.6.3

<BRA>

VSSI GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -

BY UNIT (Composite Critical Receptor - Limited Analysis)

Release ID.............

1 All Gas Release Types Period Start Date....

.01/01/2010 00:00 Period End Date......

01/01/2011 00:00 Period Duration (min): 5.256E+05 Coefficient Type..... :.Historical Unit.....................

1 Receptor...............

4 Composite Crit. Receptor -

NG Distance (meters)....

.0.0 Compass Point..........

0.0

=== MAXIMUM PERIOD NG DOSE TO LIMIT Dose Dose Period Dose Type (mrad)

Strt->End Gamma 5.26E-06 Qrtr->End Gamma 5.26E-06 Year->End Gamma 5.26E-06 Major Contributors......

0.0

% or Nuclide Percentage (Gamma)

Limit Period 31-day Quarter Annual Admin Admin

% T.Spec T.Spec %

Limit of Limit Limit of Limit 1.50E-01 3.51E-03 2.OOE-01 2.63E-03 3.75E+00 1.40E-04 5.OOE+00 1.05E-04 7.50E+00 7.02E-05 1.OOE+01 5.26E-05 greater to total AR-41 KR-85M XE-133M XE-131M XE-135 XE-133 1.30E+01 1.91E-01 4.91E-01

0. OOE+00

1. 03E+01 7.60E+01 MAXIMUM PERIOD NG DOSE TO LIMIT Dose Dose Period Dose Type (mrad)

Strt->End Beta 2.11E-05 Qrtr->End Beta 2.11E-05 Year->End Beta 2.11E-05 Major Contributors......

0.0

% or (Beta))

Limit Admin Admin Period Limit of Limit 31-day 3.OOE-01 7.05E-03 Quarter 7.50E+00 2.82E-04 Annual 1.50E+01 1.41E-04 greater to total T.Spec T.Spec %

Limit of Limit

4. OOE-01

1. OOE+01

2. OOE+01 5.29E-03 2.11E-04 1.06E-04 Nuclide AR-41 KR-85M XE-133M XE-131M XE-135 XE-133 Percentage 1.86E+00 1.24E-01 9.02E-01 0.OOE+00 5.35E+00 9.18E+01 32 of 104

RETDAS v3.6.3

<BRA>

VSSI GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -

BY UNIT (Composite Critical Receptor - Limited Analysis)

Release ID.............

1 All Gas Release Types Period Start Date....

.01/01/2010 00:00 Period End Date......

.01/01/2011 00:00 Period Duration (min): 5.256E+05 Coefficient Type..... :.Historical Unit.....................

2 RELEASE DATA Total Release Duration (minutes)......................................

7.511E+05 Total Release Volume (cf).............................................

6.123E+10 Average Release Flowrate (cfm)........................................

8.152E+04 Average Period Flowrate (cfm).........................................

1.165E+05 NUCLIDE DATA Nuclide AR-41 KR-85M XE-133M KR-88 XE-131M XE-135 XE-133 F&AG 1-131 1-132 1-133 Iodine H-3 H-3 BA-139 P<8 C-14 P>=8 Total uCi 3.26E+03 3. 62E+02 3. 50E+03

0. OOE+00

0. OOE+00 1.25E+04

4. 68E+05

4. 88E+05 3.34E+01 2. 63E+02

9. 70E+00

3. 06E+02

8. 55E+07

4. 10E+01

4. 45E+06

4. 45E+06 Average uCi/cc

1. 88E-12 2.09E-13 2.02E-12 0 OOE+00 0 OOE+00 7.21E-12

2. 70E-10 2.81E-10 1.92E-14 1.52E-13 5.60E-15

1. 77E-13

4. 93E-08

2. 37E-14 2.37E-14

2. 57E-09 2.57E-09 ECrcent Ratio 1.88E-04 2.09E-06 3.37E-06 0.OOE+00 0.OOE+00 1.03E-04 5.40E-04 8.37E-04 9.62E-05 7.59E-06 5.60E-06

1. 09E-04

4. 93E-01

5. 92E-07 5.92E-07

8. 55E-01

8. 55E-01 EC

1. OOE-08

1. OOE-07

6. OOE-07

9. OOE-09 2.OOE-06 7.OOE-08

5. OOE-07

2. OOE-10 2. OOE-08 1.OOE-09 1.OOE-07

4. OOE-08

3. OOE-09 9.05E+07 5.22E-08 1.35E+00 33 of 104

RETDAS v3.6.3

<BRA>

VSSI GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -

BY UNIT (Composite Critical Receptor - Limited Analysis)

Release ID.............

1 All Gas Period Start Date......

01/01/2010 Period End Date......

.01/01/2011 Period Duration (min): 5.256E+05 Coefficient Type.....

Historical Unit....................

2 Release Types 00:00 00:00 34 of 104

RETDAS v3.6.3

<BRA>

VSSI GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -

BY UNIT (Composite Critical Receptor - Limited Analysis)

Release ID...........

Period Start Date....

Period End Date......

Period Duration (min)

Coefficient Type.....

1 All Gas Release Types 01/01/2010 00:00 01/01/2011 00:00 5.256E+05 Historical Unit.....................

2 Receptor...............

5 Composite Crit. Receptor -

IP Distance (meters)......

0.0 Compass Point.........

0.0 PERIOD DOSE BY AGEGROUP,

PATHWAY, ORGAN (mrem)

Age/Path Bone Liver Thyroid Kidney Lung GI-Lli Skin TB AGPD AINHL AVEG ACMEAT ACMILK TGPD TINHL TVEG TCMEAT TCMILK CGPD CINHL CVEG CCMEAT CCMILK IGPD IINHL ICMILK

4. 84E-07 2. 98E-03 1.47E-01 5.45E-02

5. 94E-02

4. 84E-07 4.26E-03 2.37E-01

4. 60E-02 1.10E-01

4. 84E-07 5.88E-03 5.73E-01

8. 66E-02 2.70E-01

4. 84E-07

4. 34E-03 5.29E-01

4. 84E-07

2. 82E-03 3.34E-02

1. 15E-02

1. 33E-02

4. 84E-07

3. 08E-03

5. 23E-02

9. 55E-03

2. 37E-02

4. 84E-07

3. 12E-03

1. 22E-01

1. 78E-02

5. 67E-02

4. 84E-07

2. 03E-03 1.17E-01

4. 84E-07

2. 84E-03 3.40E-02 1.16E-02 1.57E-02

4. 84E-07 3. lOE-03 5.28E-02 9. 61E-03 2.75E-02

4. 84E-07

3. 14E-03 1.23E-01 1.79E-02

6. 42E-02

4. 84E-07

2. 05E-03 1.35E-01

4. 84E-07 2.82E-03 3.34E-02

1. 15E-02 1.33E-02

4. 84E-07 3.08E-03

5. 23E-02

9. 55E-03 2. 37E-02

4. 84E-07

3. 12E-03 1.22E-01

1. 78E-02

5. 67E-02

4. 84E-07 2. 03E-03 1.17E-01

4. 84E-07

2. 82E-03 3.34E-02

1. 15E-02 1.33E-02

4. 84E-07

3. 08E-03

5. 23E-02

9. 55E-03 2 37E-02

4. 84E-07

3. 12E-03 1.22E-01

1. 78E-02

5. 67E-02

4. 84E-07

2. 03E-03

1. 17E-01

4. 84E-07

2. 82E-03 3.34E-02 1.15E-02

1. 33E-02

4. 84E-07 3.08E-03 5.23E-02

9. 55E-03

2. 37E-02

4. 84E-07

3. 12E-03 1.22E-01 1.78E-02

5. 67E-02 4.84E-07 2. 03E-03 1.17E-01

0. OOE+00

0. OOE+00 0.OOE+00

0. OOE+00

0. OOE+00 0.OOE+00

0. OOE+00

4. 84E-07

2. 82E-03

3. 34E-02

1. 15E-02

1. 33E-02

4. 84E-07

3. 08E-03

5. 23E-02

9. 55E-03 2.37E-02

4. 84E-07 3.12E-03

1. 22E-01

1. 78E-02

5. 67E-02

4. 84E-07

2. 03E-03

1. 17E-01 PERIOD DOSE BY AGEGROUP, ORGAN (mrem)

Agegroup Bone Liver Thyroid Kidney Lung GI-Lli Skin TB ADULT 2.64E-01 6.09E-02 6.41E-02 6.10E-02 6.09E-02 6.09E-02 0.OOE+00 6.09E-02 TEEN 3.97E-01 8.87E-02 9.31E-02 8.87E-02 8.86E-02 8.86E-02 0.OOE+00 8.87E-02 CHILD 9.36E-01 2.OOE-01 2.08E-01 2.OOE-01 2.OOE-01 2.OOE-01 0.OOE+00 2.OOE-01 INFANT 5.33E-01 1.19E-01 1.38E-01 1.19E-01 1.19E-01 1.19E-01 0.OOE+00 1.19E-01 35 of 104

RETDAS v3.6.3

<BRA>

VSSI GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -

BY UNIT (Composite Critical Receptor -

Limited Analysis)

Release ID.............

1 All Gas Release Types Period Start Date......

01/01/2010 00:00 Period End Date......

.01/01/2011 00:00 Period Duration (min): 5.256E+05 Coefficient Type..... :.Historical Unit....................

2 Receptor...............

5 Composite Crit. Receptor -

IP Distance (meters)....

.0.0 Compass Point..........

0.0 MAXIMUM PERIOD DOSE Dose Age Period Group Organ Strt->End CHILD BONE Qrtr->End CHILD BONE Year->End CHILD BONE TO LIMIT (Any Organ)

Dose Limit Admin Admin

% T.Spec T.Spec %

(mrem)

Period Limit of Limit Limit of Limit 9.36E-01 31-day 2.25E-01 4.16E+02 3.OOE-01 3.12E+02 9.36E-01 Quarter 5.63E+00 1.66E+01 7.50E+00 1.25E+01 9.36E-01 Annual 1.13E+01 8.32E+00 1.50E+01 6.24E+00 Critical Pathway........

.2 Vegetation (VEG)

Major Contributors......

.0.0

% or greater to total Nuclide Percentage H-3 0.OOE+00 C-14 1.OOE+02 1-131 2.76E-03 1-132 2.04E-05 1-133 1.31E-05 BA-139 2.43E-07 MAXIMUM PERIOD DOSE Dose Age Period Group Organ Strt->End CHILD TBODY Qrtr->End CHILD TBODY Year->End CHILD TBODY TO LIMIT Dose (mrem) 2.OOE-0 2.OOE-0 2.OOE-0 (Tot Body))

Limit Admin Admin

% T.Spec T.Spec %

Period Limit of Limit Limit of Limit 1

31-day 1.50E-01 1.33E+02 2.OOE-01 9.98E+01 1

Quarter 5.25E+00 3.80E+00 7.50E+00 2.66E+00 1

Annual 1.05E+01 1.90E+00 1.50E+01 1.33E+00 Critical Pathway........

.2 Vegetation (VEG)

Major Contributors......

.0.0

% or greater to total Nuclide Percentage H-3 6.26E+00 C-14 9.37E+01 1-131 7.46E-03 1-132 9.47E-05 1-133 3.22E-05 BA-139 1.13E-06 36 of 104

RETDAS v3.6.3

<BRA>

VSSI GASEOUS RELEASE AND DOSE

SUMMARY

REPORT -

BY UNIT (Composite Critical Receptor -

Limited Analysis)

Release ID............

Period Start Date....

Period End Date.......

Period Duration (min):

Coefficient Type......

Unit..................

Receptor..............

Distance (meters)....

Compass Point........

1 All Gas Release Types 01/01/2010 00:00 01/01/2011 00:00 5.256E+05 Historical 2

4 Composite Crit. Receptor -

NG 0.0 0.0

=== MAXIMUM PERIOD NG DOSE TO LIMIT Dose Dose Period Dose Type (mrad)

Strt->End Gamma 4.99E-06 Qrtr->End Gamma 4.99E-06 Year->End Gamma 4.99E-06 Major Contributors......

.0.0

% or Nuclide Percentage AR-41 1.37E+01 KR-85M 2.01E-01 XE-133M 5.18E-01 KR-88 0.OOE+00 XE-131M 0.OOE+00 XE-135 1.09E+01 XE-133 7.47E+01 MAXIMUM PERIOD NG DOSE TO LIMIT Dose Dose Period Dose Type (mrad)

Strt->End Beta 1.98E-05 Qrtr->End Beta 1.98E-05 Year->End Beta 1.98E-05 Major Contributors......

.0.0

% or Nuclide Percentage AR-41 1.99E+00 KR-85M 1.32E-01 XE-133M 9.62E-01 KR-88 0.OOE+00 XE-131M 0.OOE+00 XE-135 5.71E+00 XE-133 9.12E+01 (Gamma)

Limit Period 31-day Quarter Annual greater Admin Admin

% T.Spec T.Spec %

Limit of Limit Limit of Limit 1.50E-01 3.33E-03 2.00E-01 2.50E-03 3.75E+00 1.33E-04 5.OOE+00 9.99E-05 7.50E+00 6.66E-05 1.OOE+01 4.99E-05 to total (Beta))

Limit Period 31-day Quarter Annual greater Admin Admin

% T.Spec T.Spec %

Limit of Limit Limit of Limit 3.OOE-01 6.61E-03 4.OOE-01 4.96E-03 7.50E+00 2.64E-04 1.OOE+01 1.98E-04 1.50E+01 1.32E-04 2.OOE+01 9.92E-05 to total 37 of 104

RETDAS v3.6.3

<BRA>

VSSI LIQUID RELEASE AND DOSE

SUMMARY

REPORT

(PERIOD BASIS -

BY UNIT)

Release ID..............

1 All Liquid Release Types Period Start Date..... :.01/01/2010 00:00 Period End Date........

01/01/2011 00:00 Period Duration (mins): 5.256E+05 Unit...................

1

=== MULTIPLE RELEASE POINT MESSAGE Undiluted and Diluted Flowrate(s) and Concentration(s) cannot be combined.

=== RELEASE DATA Total Release Duration (minutes).....................................

1.536E+06 Total Undiluted Volume Released (gallons)............................

NA Average Undiluted Flowrate (gpm).....................................

NA Total Dilution Volume (gallons)......................................

NA Average Dilution Flowrate (gpm)......................................

NA

=== NUCLIDE DATA Nuclide uCi CO-57 7.71E+01 NB-97 5.47E-01 SB-124 5.20E+01 SB-125 1.95E+03 TE-123M 1.86E+01 CR-51 1.31E+02 MN-54 2.40E+02 FE-59 4.50E+01 CO-58 3.72E+03 CO-60 4.52E+03 ZR-95 1.83E+01 NB-95 7.34E+01 TE-125M 2.57E+03 TE-132 8.85E+00 1-132 7.32E+00 CS-134 2.58E+01 CS-137 4.57E+01 Gamma 1.35E+04 AR-41 5.16E+00 D&EG 5.16E+00 H-3 3.95E+08 Beta 3.95E+08 38 of 104

RETDAS v3.6.3

<BRA>

VSSI LIQUID RELEASE AND DOSE

SUMMARY

REPORT

(PERIOD BASIS -

BY UNIT)

Release ID..............

1 All Liquid Release Types Period Start Date..... :.01/01/2010 00:00 Period End Date.......

.01/01/2011 00:00 Period Duration (mins): 5.256E+05

=== NUCLIDE DATA Nuclide uci Total 3.95E+08 39 of 104

RETDAS v3.6.3

<BRA>

VSSI LIQUID RELEASE AND DOSE

SUMMARY

REPORT

(PERIOD BASIS -

BY UNIT)------

Release ID..............

1 All Liquid Release Types Period Start Date..... :.01/01/2010 00:00 Period End Date.......

.01/01/2011 00:00 Period Duration (mins): 5.256E+05 Unit..................

1 Receptor.................

0 Liquid Receptor PERIOD DOSE BY AGEGROUP,

PATHWAY, ORGAN (mrem)

Age/Path Bone Liver Thyroid Kidney Lung GI-Lli Skin TB APWtr 1.70E-06 7.88E-03 7.87E-03 7.88E-03 7.87E-03 7.91E-03 0.OOE+00 7.88E-03 AFWFSp 8.42E-04 4.51E-03 3.32E-03 4.36E-03 3.39E-03 7.77E-03 0.OOE+00 4.19E-03 TPWtr 1.67E-06 5.55E-03 5.55E-03 5.55E-03 5.55E-03 5.57E-03 0.OOE+00 5.55E-03 TFWFSp 8.95E-04 3.79E-03 2.56E-03 2.90E-03 2.65E-03 5.75E-03 0.OOE+00 3.08E-03 CPWtr 4.91E-06 1.07E-02 1.07E-02 1.07E-02 1.07E-02 1.07E-02 0.OOE+00 1.07E-02 CFWFSp 1.12E-03 3.21E-03 2.14E-03 2.41E-03 2.19E-03 3.26E-03 0.OOE+00 2.39E-03 IPWtr 5.91E-06 1.05E-02 1.05E-02 1.05E-02 1.05E-02 1.05E-02 0.OOE+00 1.05E-02 PERIOD DOSE BY AGEGROUP, ORGAN (mrem)

Agegroup Bone Liver Thyroid Kidney Lung GI-Lli Skin TB ADULT 8.43E-04 1.24E-02 1.12E-02 1.22E-02 1.13E-02 1.57E-02 0.OOE+00 1.21E-02 TEEN 8.97E-04 9.34E-03 8.11E-03 8.44E-03 8.20E-03 1.13E-02 0.OOE+00 8.63E-03 CHILD 1.13E-03 1.39E-02 1.28E-02 1.31E-02 1.28E-02 1.39E-02 0.OOE+00 1.30E-02 INFANT 5.91E-06 1.05E-02 1.05E-02 1.05E-02 1.05E-02 1.05E-02 0.OOE+00 1.05E-02 40 of 104

RETDAS v3.6.3

<BRA>

VSSI LIQUID RELEASE AND DOSE

SUMMARY

REPORT (PERIOD BASIS -

BY UNIT)------

Release ID............... 1 All Liquid Release Types Period Start Date....... 01/01/2010 00:00 Period End Date.........- 01/01/2011 00:00 Period Duration (mins): 5.256E+05 Unit..................... 1 Receptor................. 0 Liquid Receptor

==MAXIMUM PERIOD DOSE TO LIMIT (Any Organ)---------------------

Dose Period Strt->End Qrtr->End Year->End Age Group ADULT ADULT ADULT Organ GILLI GILLI GILLI Dose (mrem)

1. 57E-02

1. 57E-02 Limit Period 31-day Quarter Annual Admin Limit

1. 50E-01

3. 75E+00

7. 50E+00 Admin of Limit

1. 05E+01 4.18E-01

2. 09E-01 T.Spec Limit

2. OOE-01

5. OOE+00

1. OOE+01 T.Spec %

of Limit

7. 84E+00 3.14E-01

1. 57E-01 Critical Pathway.......

Major Contributors.....

Nuclide Percentage H-3 7.08E+01 CR-51 7.20E-03 MN-54 5.46E-01 FE-59 6.31E-02 CO-58 1.19E+00 CO-60 3.83E+00 ZR-95 1.25E-03 NB-95 1.87E+01 TE-125M 4.47E+00 TE-132 1.11E-01 1-132 5.18E-06 CS-134 5.41E-02 CS-137 7.78E-02 0

Potable Water (PWtr) 0.0

% or greater to total

=== MAXIMUM PERIOD DOSE TO LIMIT Dose Age Dose Period Group Organ (mrem)

Strt->End CHILD TBODY

-. 30E-0 Qrtr->End CHILD TBODY 1.30E-0 Year->End CHILD TBODY 1.30E-0 (Tot Body)

Limit Period 2

31-day 2

Quarter 2

Annual Admin Admin

% T.Spec T.Spec %

Limit of Limit Limit of Limit 4.50E-02 2.90E+01 6.OOE-02 2.17E+01 1.13E+00 1.16E+00 1.50E+00 8.70E-01 2.25E+00 5.80E-01 3.OOE+00 4.35E-01 Critical Pathway........

Major Contributors......

Nuclide Percentage H-3 9.73E+01 CR-51 3.82E-05 MN-54 4.41E-02 FE-59 9.96E-03 CO-58 1.79E-01 0

Potable Water (PWtr) 0.0

% or greater to total 41 of 104

RETDAS v3.6.3

<BRA>

VSSI LIQUID RELEASE AND DOSE

SUMMARY

REPORT

(PERIOD BASIS -

BY UNIT)

Release ID..............

1 All Liquid Release Types Period Start Date..... :.01/01/2010 00:00 Period End Date.......

01/01/2011 00:00 Period Duration (mins): 5.256E+05 Major Contributors......

0.0

% or greater to total Nuclide Percentage CO-60 6.14E-01 ZR-95 5.24E-07 NB-95 2.20E-03 TE-125M 2.52E-01 TE-132 3.08E-03 1-132 1.55E-05 CS-134 6.68E-01 CS-137 6.74E-01 42 of 104

RETDAS v3.6.3

<BRA>

VSSI LIQUID RELEASE AND DOSE

SUMMARY

REPORT

(PERIOD BASIS -

BY UNIT)

Release ID..............

1 All Liquid Release Types Period Start Date.......

01/01/2010 00:00 Period End Date.......

.01/01/2011 00:00 Period Duration (mins): 5.256E+05 Unit..................

2

=== MULTIPLE RELEASE POINT MESSAGE Undiluted and Diluted Flowrate(s) and Concentration(s) cannot be combined.

RELEASE DATA Total Release Duration (minutes).....................................

1.536E+06 Total Undiluted Volume Released (gallons)............................

NA Average Undiluted Flowrate (gpm).....................................

NA Total Dilution Volume (gallons)......................................

NA Average Dilution Flowrate (gpm)......................................

NA NUCLIDE DATA Nuclide uCi CO-57 7.71E+01 NB-97 5.47E-01 SB-124 5.20E+01 SB-125 1.95E+03 TE-123M 1.86E+01 CR-51 1.31E+02 MN-54 2.40E+02 FE-59 4.50E+01 CO-58 3.72E+03 CO-60 4.52E+03 ZR-95 1.83E+01 NB-95 7.34E+01 TE-125M 2.57E+03 TE-132 8.85E+00 1-132 7.32E+00 CS-134 2.58E+01 CS-137 4.57E+01 Gamma 1.35E+04 AR-41 5.16E+00 D&EG 5.16E+00 H-3 3.95E+08 Beta 3.95E+08 43 of 104

RETDAS v3.6.3

<BRA>

VSSI LIQUID RELEASE AND DOSE

SUMMARY

REPORT

(PERIOD BASIS -

BY UNIT)

Release ID..............

1 All Liquid Release Types Period Start Date..... :.01/01/2010 00:00 Period End Date.......

.01/01/2011 00:00 Period Duration (mins): 5.256E+05 NUCLIDE DATA Nuclide uCi Total 3.95E+08 44 of 104

RETDAS v3.6.3

<BRA>

VSSI LIQUID RELEASE AND DOSE

SUMMARY

REPORT

(PERIOD BASIS -

BY UNIT)------

Release ID...............1I All Liquid Release Types Period Start Date....... 01/01/2010 00:00 Period End Date......... 01/01/2011 00:00 Period Duration (mins): 5.256E+05 Unit..................... 2 Receptor................. 0 Liquid Receptor

==PERIOD DOSE BY AGEGROUP,

PATHWAY, ORGAN (mrem)--------

Age/Path Bone APWtr 1.70E-06 AFWFSp 8.42E-04 TPWtr 1.67E-06 TFWFSp 8.95E-04 CPWtr 4.91E-06 CFWFSp 1.12E-03 IPWtr 5.91E-06 Liver

7. 88E-03

4. 51E-03

5. 55E-03 3.79E-03 1.07E-02 3.21E-03

1. 05E-02 Thyroid

7. 87E-03

3. 32E-03

5. 55E-03

2. 56E-03 1.07E-02

2. 14E-03

1. 05E-02 Kidney

7. 88E-03

4. 36E-03

5. 55E-03 2.90E-03 1.07E-02 2.41E-03

1. 05E-02 Lung

7. 87E-03 3.39E-03 5.55E-03 2. 65E-03

1. 07E-02 2. 19E-03

1. 05E-02 GI-Lli 7.91E-03

7. 77E-03 5.57E-03

5. 75E-03

1. 07E-02 3. 26E-03

1. 05E-02 Skin 0 OOE+00

0. OOE+00

0. OOE+00 TB

7. 88E-03

4. 19E-03

5. 55E-03

3. 08E-03

1. 07E-02 2.39E-03

1. 05E-02 PERIOD DOSE BY AGEGROUP, ORGAN (mrem)

Agegroup Bone Liver Thyroid Kidney Lung GI-Lli Skin TB ADULT 8.43E-04 1.24E-02 1.12E-02 1.22E-02 1.13E-02 1.57E-02 0.OOE+00 1.21E-02 TEEN 8.97E-04 9.34E-03 8.11E-03 8.44E-03 8.20E-03 1.13E-02 0.OOE+00 8.63E-03 CHILD 1.13E-03 1.39E-02 1.28E-02 1.31E-02 1.28E-02 1.39E-02 0.OOE+00 1.30E-02 INFANT 5.91E-06 1.05E-02 1.05E-02 1.05E-02 1.05E-02 1.05E-02 0.OOE+00 1.05E-02 45 of 104

RETDAS v3.6.3

<BRA>

VSSI LIQUID RELEASE AND DOSE

SUMMARY

REPORT (PERIOD BASIS -

BY UNIT)------

Release ID..............

1 All Liquid Release Types Period Start Date.......

01/01/2010 00:00 Period End Date.......

.01/01/2011 00:00 Period Duration (mins): 5.256E+05 Unit..................

2 Receptor.................

0 Liquid Receptor MAXIMUM PERIOD DOSE TO LIMIT Dose Period Strt->End Qrtr->End Year->End Age Group ADULT ADULT ADULT Organ GILLI GILLI GILLI Dose (mrem)

1. 57E-0 1.57E-0 1.57E-0 (Any Organ)

Limit Admin Admin

% T.Spec T.Spec %

Period Limit of Limit Limit of Limit 2

31-day 1.50E-01 1.05E+01 2.OOE-01 7.84E+00 2

Quarter 3.75E+00 4.18E-01 5.OOE+00 3.14E-01 2

Annual 7.50E+00 2.09E-01 1.00E+01 1.57E-01 Critical Pathway.........

Major Contributors.......

Nuclide Percentage H-3 7.08E+01 CR-51 7.20E-03 MN-54 5.46E-01 FE-59 6.31E-02 CO-58 1.19E+00 CO-60 3.83E+00 ZR-95 1.25E-03 NB-95 1.87E+01 TE-125M 4.47E+00 TE-132 1.lE-01 1-132 5.18E-06 CS-134 5.41E-02 CS-137 7.78E-02 0

Potable Water (PWtr) 0.0

% or greater to total MAXIMUM PERIOD DOSE TO LIMIT (Tot Body))

Dose Period Strt->End Qrtr->End Year->End Age Group CHILD CHILD CHILD Organ TBODY TBODY TBODY Dose (mrem) 1.30E-02 1.30E-02

1. 30E-02 Limit Period 31-day Quarter Annual Admin Limit

4. 50E-02

1. 13E+00

2. 25E+00 Admin of Limit 2. 90E+01

1. 16E+00

5. 80E-01 T. Spec Limit

6. OOE-02

1. 50E+00

3. OOE+00 T. Spec %

of Limit 2.17E+01 8.70E-01 4.35E-01 Critical Pathway.........

Major Contributors.......

Nuclide Percentage H-3 9.73E+01 CR-51 3.82E-05 MN-54 4.41E-02 FE-59 9.96E-03 CO-58 1.79E-01 0

Potable Water (PWtr) 0.0

% or greater to total 46 of 104

RETDAS v3.6.3

<BRA>

VSSI LIQUID RELEASE AND DOSE

SUMMARY

REPORT

(PERIOD BASIS -

BY UNIT)

Release ID..............

1 All Liquid Release Types Period Start Date..... :.01/01/2010 00:00 Period End Date.......

.01/01/2011 00:00 Period Duration (mins): 5.256E+05 Major Contributors......

0.0

% or greater to total Nuclide Percentage CO-60 6.14E-01 ZR-95 5.24E-07 NB-95 2.20E-03 TE-125M 2.52E-01 TE-132 3.08E-03 1-132 1.55E-05 CS-134 6.68E-01 CS-137 6.74E-01 47 of 104

BRAIDWOOD NUCLEAR POWER STATION RADIOACTIVE EFFLUENT RELEASE REPORT FOR 2010 UNIT 1 AND 2 (Docket Numbers 50-456 and 50-457)

ATTACHMENT 1 Tables 7-11 Wind Direction and Stability Classes 48 of 104

Braidwood Generating Station Period of Record: January -

March 2010 Stability Class - Extremely Unstable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 1

1 2

4 2

3 0

0 0

2 14 8

13 2

0 0

2 4

1 0

2 1

0 5

0 1

6 10 19 24 3

0 2

4 6

5 2

5 1

0 10 1

1 8

25 27 40 5

0 Total 2

52 78 10 0

0 142 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

3 all stability classes:

1 49 of 104

Braidwood Generating Station Period of Record: January - March 2010 Stability Class - Moderately Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 3

7 2

4 6

4 4

0 1

2 2

8 12 7

10 8

0 Total 3

39 34 4

0 0

80 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

1 50 of 104

Braidwood Generating Station Period of Record: January - March 2010 Stability Class - Slightly Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 1

4 1

0 0

0 6

0 2

4 1

0 0

7 2

4 3

0 0

0 9

0 1

0 0

1 1

3 0

0 0

0 4

2 2

1 0

0 0

5 0

1 0

0 0

0 1

0 0

1 0

0 0

1 0

0 2

1 0

0 3

0 5

1 2

0 0

8 0

1 0

2 0

0 3

0 2

3 0

0 0

5 0

5 4

2 0

0 11 0

4 3

0 0

0 7

0 5

6 0

0 0

11 1

1 3

1 0

0 6

0 0

0 Total 7

40 32 9

0 0

88 Hours of calm in Hours of missing this stability class:

0 wind measurements in this stability class:

all stability cl 0

asses:

Hours of missing stability measurements in 1

51 of 104

Braidwood Generating Station Period of Record: January - March 2010 Stability Class - Neutral -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 4

2 7

9 10 1

1 1

3 2

1 4

5 8

7 5

2 21 16 23 26 31 15 25 12 3

5 14 19 74 54 43 29 0

10 46 48 2

14 2

15 8

7 5

27 20 34 25 23 24 0

0 39 10 0

0 0

0 3

6 13 6

8 12 0

4 3

0 35 103 88 37 55 18 41 24 20 26 48 51 125 87 77 61 2

Total 72 410 310 104 2

0 898 Hours of calm in this stability class:

1 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

1 52 of 104

Braidwood Generating Station Period of Record: January - March 2010 Stability Class - Slightly Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet

.Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable Total 1-3 4-7 8-12 13-18 19-24

> 24 Total 10 4

10 9

20 8

2 2

2 3

7 7

17 22 20 15 1

159 27 33 24 27 17 28 11 14 2

0 13 18 50 53 39 24 0

380 2

23 18 2

0 9

27 8

17 12 3

5 0

3 2

2 0

133 0

0 2

0 0

0 1

9 0

0 0

1 0

0 0

14 39 60 54 38 37 45 41 24 22 24 23 30 67 79 61 41 1

0 686 Hours of calm in Hours of missing Hours of missing this stability class:

5 wind measurements in this stability measurements in stability class:

0 all stability classes:

1 53 of 104

Braidwood Generating Station Period of Record: January - March 2010 Stability Class - Moderately Stable - 199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable Total 1-3 4-7 8-12 13-18 19-24

> 24 Total 6

2 3

11 19 3

1 0

0 0

2 6

24 23 23 9

0 132 0

0 0

1 1

6 5

0 1

22 35 8

0 2

0 82 6

2 3

12 20 9

6 0

1 1

3 28 59 31 23 11 0

0 0

215 Hours of calm in this stability class:

5 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

1 54 of 104

Braidwood Generating Station Period of Record: January - March 2010 Stability Class -

Extremely Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable Total 1-3 4-7 8-12 13-18 19-24

> 24 Total 0

0 2

2 2

1 0

0 0

1 4

13 5

1 0

31 0

36 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

1 55 of 104

Braidwood Generating Station Period of Record: January -

March 2010 Stability Class - Extremely Unstable -

199Ft-3OFt Delta-T (F) winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 0

0 0

3 1

5 0

0 0

0 1

6 8

17 13 2

0 0

2 4

1 1

1 0

0 5

1 0

0 5

12 24 1

0 2

3 7

4 3

6 0

0 10 1

1 7

22 30 42 4

0 Total 1

19 56 57 9

0 142 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

3 all stability classes:

1 56 of 104

Braidwood Generating Station Period of Record: January - March 2010 Stability Class - Moderately Unstable - 199Ft-30Ft Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 2

8 2

3 7

4 4

0 1

2 1

5 11 12 7

0 Total 3

22 27 24 3

1 80 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

1 57 of 104

Braidwood Generating Station Period of Record: January - March 2010 Stability Class - Slightly Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 5

5 8

2 4

4 1

2 4

7 3

3 12 8

12 8

0 Total 3

30 25 20 10 0

88 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

1 58 of 104

Braidwood Generating Station Period of Record: January -

March 2010 Stability Class - Neutral -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 9

8 7

10 11 2

5 1

4 3

6 16 22 15 19 13 0

16 16 17 14 22 16 22 12 2

0 23 11 43 41 26 24 0

5 39 36 4

7 5

9 8

4 8

10 14 27 40 29 17 0

262 0

31 17 0

0 0

4 2

5 12 4

2 14 6

11 2

0 110 31 103 79 31 42 24 40 25 19 25 45 45 114 105 86 56 2

Total 28 151 305 16 872 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

27 all stability classes:

1 59 of 104

Braidwood Generating Station Period of Record: January - March 2010 Stability Class - Slightly Stable - 199Ft-30Ft Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction 1-3 4-7 8-12 13-18 19-24

> 24 Total N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 9

5 5

14 5

3 5

1 3

1 11 8

6 6

12 17 1

28 27 20 20 30 17 8

9 6

0 6

2 28 46 40 19 0

306 3

27 19 3

3 16 15 8

13 9

5 13 7

27 15 13 0

196 0

1 5

0 0

5 13 5

7 11 0

0 0

2 2

0 0

51 43 61 52 37 40 43 42 23 29 26 23 25 42 81 69 50 1

Total 18 112 4

687 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

4 all stability classes:

1 60 of 104

Braidwood Generating Station Period of Record: January - March 2010 Stability Class - Moderately Stable - 199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 11 3

3 1

6 5

4 5

0 0

0 1

21 30 14 17 0

1 0

0 0

3 4

3 1

1 1

0 1

11 20 3

2 0

51 15 6

5 11 11 13 8

8 1

1 1

3 36 56 24 21 0

Total 12 36 121 0

0 220 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

1 61 of 104

Braidwood Generating Station Period of Record: January - March 2010 Stability Class -

Extremely Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction 1-3 4-7 8-12 13-18 19-24

> 24 Total N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable Total 0

11 13 12 0

0 36 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stal Hours of missing stability measurements in all bility class:

stability cl 0

asses:

1 62 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class - Extremely Unstable - 199Ft-30Ft Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction 1-3 4-7 8-12 13-18 19-24

> 24 Total N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 6

11 13 11 12 9

8 10 11 7

3 3

5 15 8

16 1

5 18 13 0

3 5

9 2

6 8

8 14 23 22 11 4

0 151 1

0 0

1 3

2 11 5

4 0

0 3

0 30 13 29 27 12 17 16 17 14 23 23 22 23 34 38 19 23 1

Total 12 149 9

0 351 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

5 63 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class - Moderately Unstable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 2

10 8

7 8

2 4

9 14 20 7

6 12 3

5 4

1 Total 10 58 34 12 8

0 122 Hours of calm in this stability class:

0 Hours of missing wind measurements in this sta Hours of missing stability measurements in all bility class:

stability cl 0

asses:

5 64 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class - Slightly Unstable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction 1-3 N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 4-7 2

5 3

7 5

5 5

5 2

2 0

2 10 2

2 2

0 8-12 13-18 19-24

> 24 Total 4

10 9

11 8

10 9

6 5

8 8

7 14 4

7 7

1 Total 16 59 39 13 1

0 128 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

5 65 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class - Neutral -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction 1-3 4-7 8-12 13-18 19-24

> 24 Total N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 2

1 6

13 12 6

3 1

2 1

1 1

2 3

5 3

0 8

26 53 47 24 18 27 19 10 8

16 15 18 17 9

10 0

6 24 20 9

8 14 17 9

14 17 33 18 19 11 7

16 0

242 1

5 1

0 0

1 1

3 6

13 10 2

8 4

0 0

0 17 56 80 69 44 39 48 32 41 45 61 36 47 35 21 29 0

Total 62 325 55 16 0

700 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

5 66 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class - Slightly Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable Total 1-3 4-7 8-12 13-18 19-24

> 24 Total 9

10 15 29 29 13 2

2 2

4 1

8 6

16 8

6 0

160 13 17 10 22 25 43 26 35 32 7

15 33 23 16 6

9 0

332 1

2 1

8 17 17 45 19 14 8

3 1

1 3

0 143 0

0 0

0 13 11 1

0 1

0 0

26 23 29 26 53 55 64 45 54 93 44 31 49 33 33 15 18 0

0 665 Hours of calm in this stability class:

9 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

5 67 of 104

Braidwood Generating Station Period of Record: April -

June 2010 Stability Class - Moderately Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 7

3 0

10 6

11 5

2 2

0 4

5 10 16 5

7 0

10 3

0 10 6

13 10 5

2 7

4 16 13 17 5

8 0

Total 93 29 7

0 0

0 129 Hours of calm in this stability class:

18 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

5 68 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class -

Extremely Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction 1-3 4-7 8-12 13-18 19-24

> 24 Total N

3 0

0 0

3 NNE 1

0 0

0 1

NE 1

0 0

0 1

ENE 0

0 0

E 2

0 0

0 2

ESE 2

2 0

0 0

0 4

SE 0

0 0

SSE 0

0 0

S 0

0 0

SSW 0

2 0

0 0

0 2

SW 1

0 0

0 1

WSW 2

4 0

0 0

0 6

W 9

0 0

0 9

WNW 6

0 0

0 6

NW 6

0 0

0 6

NNW 1

0 0

0 1

Variable 0

0 0

Total 34 8

0 0

42 Hours of calm in this stability class:

15 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

5 69 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class - Extremely Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 3

1 5

11 8

4 2

6 4

6 2

1 3

6 11 5

1 8

12 9

3 6

6 5

6 10 4

6 6

7 11 4

7 0

1 11 12 0

4 6

4 1

3 3

6 12 14 20 5

6 0

12 25 27 15 19 19 13 14 23 22 22 23 28 39 29 20 1

Total 7

79 110 108 35 12 351 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

5 70 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class - Moderately Unstable -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 1

8 9

6 8

3 4

8 15 18 5

9 8

8 4

7 1

Total 6

35 33 28 11 9

122 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

5 71 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class - Slightly Unstable -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 4

10 8

11 7

12 9

6 5

7 7

9 12 5

10 5

1 Total 7

39 35 27 12 8

128 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

5 72 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class - Neutral - 199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph) wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 4

9 12 14 10 4

3 3

3 1

5 4

4 7

8 2

0 7

16 29 39 17 8

18 13 11 12 23 16 12 10 6

9 0

5 19 20 14 17 16 17 6

9 13 25 11 10 10 13 13 0

1 6

5 1

2 5

4 5

11 10 2

2 8

10 1

0 0

0 6

0 1

10 12 3

0 4

5 0

0 0

17 51 68 70 47 42 43 29 44 48 58 34 40 42 28 24 0

Total 14 93 246 218 73 41 685 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

all stability cl 15 asses:

5 73 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class - Slightly Stable - 199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE B

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 3

9 10 10 10 3

4 3

3 2

9 5

1 2

3 3

0 14 16 20 34 30 13 17 12 15 8

13 17 26 23 11 9

0 3

5 4

4 12 31 25 32 30 25 19 5

15 9

7 5

0 0

0 2

5 1

7 28 14 1

0 1

0 0

21 31 35 48 55 52 47 54 84 57 42 27 44 35 24 17 0

Total 9

80 278 231 59 16 673 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

1 Hours of missing stability measurements in all stability classes:

5 74 of 104

Braidwood Generating Station Period of Record: April -

June 2010 Stability Class - Moderately Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 6

5 2

1 3

6 4

5 5

1 1

0 13 3

8 4

0 12 14 5

8 4

8 6

10 9

4 7

5 26 11 12 6

0 Total 7

44 67 27 2

0 147 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

all stability cl 0

asses:

5 75 of 104

Braidwood Generating Station Period of Record: April - June 2010 Stability Class -

Extremely Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total Total 7

24 18 8

0 0

57 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

5 76 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Extremely Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction 1-3 4-7 8-12 13-18 19-24

> 24 Total N

1 7

10 1

0 0

19 NNE 1

9 3

0 0

0 13 NE 1

23 3

0 0

0 27 ENE 3

11 0

0 0

0 14 E

1 9

0 0

10 ESE 2

12 0

0 0

0 14 SE 0

11 1

0 0

0 12 SSE 1

17 3

0 0

0 21 S

0 20 28 4

0 0

52 SSW 1

14 21 13 2

0 51 SW 0

5 14 10 0

0 29 WSW 2

8 14 7

2 0

33 W

0 26 13 7

0 0

46 WNW 3

40 13 0

0 0

56 NW 8

24 14 0

0 0

46 NNW 2

16 14 0

0 0

32 Variable 1

0 0

0 1

Total 27 252 151 42 4

0 476 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

2 77 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Moderately Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW variable 1-3 4-7 8-12 13-18 19-24

> 24 Total Total 21 52 19 4

0 0

96 Hours of calm in Hours of missing Hours of missing this stability class:

0 wind measurements in this stability measurements in stability class:

0 all stability classes:

2 78 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Slightly Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph) wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 3

6 7

1 1

2 10 10 15 11 12 8

12 5

6 6

0 Total 17 61 28 7

2 0

115 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

2 79 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class -

Neutral -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 1

2 10 7

9 7

3 5

3 1

2 0

1 4

4 4

2 9

17 21 5

6 8

24 27 21 7

11 19 16 11 20 11 0

4 6

0 0

0 1

22 22 27 12 7

6 0

3 0

14 25 31 12 15 15 27 33 48 41 51 33 27 21 24 18 2

Total 65 233 110 21 8

0 437 Hours of calm in Hours of missing Hours of missing this stability class:

0 wind measurements in this stability measurements in stability class:

0 all stability classes:

2 80 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Slightly Stable - 199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 15 12 26 26 28 23 14 13 15 2

4 6

21 11 11 12 0

15 13 2

10 5

20 40 56 100 15 23 21 19 17 8

17 0

381 3

0 0

4 34 12 13 3

2 1

2 2

0 0

0 2

12 1

0 0

33 25 28 36 33 43 54 73 151 43 41 30 42 29 21 31 0

Total 239 76 15 2

0 713 Hours of calm in this stability class:

4 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

2 81 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Moderately Stable - 199Ft-30Ft Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable Total 1-3 4-7 8-12 13-18 19-24

> 24 Total 20 8

7 7

26 17 11 4

5 9

5 10 27 18 6

5 0

185 1

2 0

0 2

6 8

4 0

7 4

17 2

0 1

0 0

54 21 10 7

7 28 23 19 8

5 16 11 27 29 18 7

5 0

0 241 Hours of calm in this stability class:

13 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

2 82 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Extremely Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 2

3 3

2 5

2 1

0 0

0 2

10 14 12 5

4 0

2 3

3 2

5 2

1 0

0 0

2 18 19 12 5

4 0

Total 65 13 0

0 0

0 78 Hours of calm in this stability class:

33 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

2 83 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Extremely Unstable - 199Ft-30Ft Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 5

1 6

9 3

5 5

10 9

4 3

6 10 23 18 8

0 7

7 21 3

6 8

6 12 23 22 12 8

12 28 16 13 0

204 5

0 1

0 0

1 0

0 19 8

10 8

7 15 12 6

0 0

0 4

10 4

4 7

1 0

0 0

18 8

29 12 12 14 11 23 55 48 29 29 38 71 49 29 1

Total 16 125 92 30 9

476 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

2 84 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Moderately Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 7

5 5

7 6

5 2

4 6

10 8

6 4

10 8

2 1

Total 13 39 26 13 3

2 96 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

2 85 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Slightly Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 2

5 8

2 2

2 9

7 14 14 13 8

10 8

5 6

0 Total 7

38 38 23 6

3 115 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

2 86 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class -

Neutral -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph) wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 8

8 20 5

5 4

12 23 12 11 14 15 11 6

13 9

0 3

3 4

0 0

2 5

2 19 21 13 12 3

4 5

3 0

17 16 35 13 13 13 28 33 41 55 39 38 27 22 27 18 2

Total 28 86 176 99 33 15 437 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

all stability cl 0

asses:

2 87 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Slightly Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 8

7 13 22 7

15 6

10 7

8 8

5 2

8 6

6 0

17 13 13 14 25 17 37 30 36 23 19 14 14 14 12 26 0

3 0

0 1

1 2

5 30 89 30 10 7

10 16 7

3 0

0 0

1 12 0

0 0

31 20 27 37 34 34 49 70 143 78 40 27 26 40 25 36 0

Total 15 138 324 214 13 13 717 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

2 88 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Moderately Stable - 199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 2

5 3

2 2

6 7

5 11 6

0 5

4 2

0 5

11 5

4 9

15 9

4 5

6 5

9 11 17 20 1

0 7

17 9

9 16 25 17 12 15 11 19 17 18 29 29 4

0 Total 10 68 136 40 0

0 254 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

2 89 of 104

Braidwood Generating Station Period of Record: July - September 2010 Stability Class - Extremely Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 7

1 10 3

1 3

0 0

0 4

3 8

2 0

0 11 2

10 5

2 6

3 5

4 3

2 16 5

18 12 7

0 Total 13 46 42 10 0

0 ill Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability Hours of missing stability measurements in all stabi class:

0 lity classes:

2 90 of 104

Braidwood Generating Station Period of Record: October -

December 2010 Stability Class - Extremely Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 4

2 1

0 6

0 1

2 0

6 3

14 16 19 16 16 0

Total 0

39 49 18 0

0 106 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

2 91 of 104

Braidwood Generating Station Period of Record: October -

December 2010 Stability Class - Moderately Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 1

5 3

5 4

2 1

4 2

7 3

15 7

7 4

5 0

Total 1

29 27 13 5

0 75 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

2 92 of 104

Braidwood Generating Station Period of Record: October -

December 2010 Stability Class - Slightly Unstable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph) wind Direction N

NNE NE ENE F

ESE SE SSE S

SSW SW WSW W

WNW NW NNW variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 7

9 0

2 0

3 4

12 17 11 9

6 8

8 0

Total 4

34 42 16 2

0 98 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

2 93 of 104

Braidwood Generating Station Period of Record: October -

December 2010 Stability Class - Neutral -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 16 9

7 17 24 26 9

4 1

10 16 24 19 41 16 17 0

28 6

0 1

0 12 20 35 24 17 14 19 36 48 9

38 0

5 0

0 0

0 1

10 11 9

14 19 26 28 4

0 7

0 56 16 12 25 30 40 41 50 39 48 59 73 85 97 31 75 0

Total 49 256 307 134 30 1

777 Hours of calm in Hours of missing this stability class:

0 wind measurements in this stability class:

0 all stability classes:

Hours of missing stability measurements in 2

94 of 104

Braidwood Generating Station Period of Record: October December 2010 Stability Class - Slightly Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 14 7

8 15 4

4 3

1 3

0 0

1 5

7 14 9

0 16 14 4

14 4

3 11 40 35 12 22 20 22 33 20 29 0

14 3

0 1

0 3

21 31 46 24 16 12 9

14 0

19 0

0 0

1 10 11 15 8

0 4

0 0

49 44 24 12 30 8

10 36 83 96 53 46 34 40 54 34 57 0

Total 95 299 213 5

0 661 Hours of calm in this stability class:

0 Hours of missing wind measurements in this sta Hours of missing stability measurements in all bility class:

stability cl 0

asses:

2 95 of 104

Braidwood Generating Station Period of Record: October -

December 2010 Stability Class - Moderately Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable Total 1-3 4-7 8-12 13-18 19-24

> 24 Total 8

5 10 16 18 9

6 4

4 2

3 6

9 17 13 6

0 136 3

3 0

0 0

1 10 13 10 16 6

31 16 10 5

4 0

128 0

0 0

9 6

0 0

15 11 8

10 16 18 10 16 17 14 27 15 37 25 27 18 10 0

0 279 Hours of calm in this stability class:

5 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

2 96 of 104

Braidwood Generating Station Period of Record: October - December 2010 Stability Class -

Extremely Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 34 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable Total 1-3 9

4 4

10 12 4

1 0

0 11 5

8 37 36 12 8

3 164 4-7 1

1 0

0 0

1 0

0 1

1 1

17 2

0 1

0 0

26 8-12 0

0 0

3 0

0 0

3 13-18 0

0 0

0 19-24 0

0 0

0

> 24 0

0 0

Total 10 5

4 10 12 5

1 0

1 15 6

25 39 36 13 8

3 0

193 Hours of calm in this stability class:

12 Hours of missing Hours of missing wind measurements in th stability measurements stability class:

0 in all stability classes:

2 97 of 104

Braidwood Generating Station Period of Record: October -

December 2010 Stability Class - Extremely Unstable - 199Ft-3OFt Delta-T (F) winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction 1-3 4-7 8-12 13-18 19-24

> 24 Total N

0 0

1 2

1 0

4 NNE 0

0 1

0 0

0 1

NE 0

0 2

0 0

0 2

ENE 0

0 0

E 0

0 5

1 0

0 6

ESE 0

0 0

SE 0

1 0

0 0

0 1

SSE 0

0 1

1 0

0 2

S 0

0 0

SSW 0

0 3

1 2

0 6

SW 0

1 0

1 3

WSW 0

1 6

4 2

0 13 W

0 0

6 5

4 0

15 WNW 0

3 7

10 0

0 20 NW 0

5 6

11 0

0 22 NNW 0

1 3

7 0

0 11 Variable 0

0 0

Total 0

12 41 43 9

1 106 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

2 98 of 104

Braidwood Generating Station Period of Record: October - December 2010 Stability Class ' Moderately Unstable - 199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 1

6 1

5 5

1 1

4 2

7 3

11 10 8

5 5

0 Total 0

13 24 25 7

6 75 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

all stability cl 0

asses:

2 99 of 104

Braidwood Generating Station Period of Record: October -

December 2010 Stability Class - Slightly Unstable -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction 1-3 4-7 8-12 13-18 19-24

> 24 Total N

0 2

1 4

0 0

7 NNE 0

1 1

3 1

0 6

NE 0

0 0

ENE 1

2 0

0 0

0 3

E 0

0 0

ESE 0

2 0

0 0

0 2

SE 0

0 0

SSE 0

0 0

3 0

0 3

S 0

0 3

1 0

0 4

SSW 0

1 6

3 3

0 13 SW 0

2 5

3 2

2 14 WSW 0

3 6

0 2

0 11 W

0 3

6 1

1 0

11 WNW 0

0 3

1 1

0 5

NW 0

3 4

3 0

0 10 NNW 0

0 2

4 3

0 9

Variable 0

0 0

Total 1

19 37 26 13 2

98 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

2 100 of 104

Braidwood Generating Station Period of Record: October -

December 2010 Stability Class - Neutral - 199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph) wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 7

3 4

12 7

5 3

2 4

4 6

5 13 9

9 5

0 14 8

5 11 16 11 4

4 2

14 15 14 12 35 16 18 0

23 3

1 1

6 19 14 18 15 11 10 23 17 42 20 30 0

253 2

0 0

4 15 25 8

12 13 17 28 24 3

7 0

158 2

0 0

0 6

0 9

7 6

5 1

0 0

13 0

48 16 11 26 30 41 42 50 38 49 51 65 74 ill 50 75 0

Total 20 98 199 49 777 Hours of calm in this stability class:

0 Hours of missing wind measurements in this Hours of missing stability measurements in stability class:

0 all stability classes:

2 101 of 104

Braidwood Generating Station Period of Record: October - December 2010 Stability Class - Slightly Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction 1-3 4-7 8-12 13-18 19-24

> 24 Total N

0 10 15 21 0

0 46 NNE 1

2 10 6

0 0

19 NE 0

3 10 3

0 0

16 ENE 1

5 17 3

0 0

26 E

1 1

7 0

0 0

9 ESE 1

3 2

3 1

0 10 SE 0

5 2

11 15 0

33 SSE 0

1 17 21 22 9

70 S

0 1

18 45 24 3

91 SSW 0

2 18 33 18 10 81 SW 0

2 10 22 0

2 36 WSW 0

0 18 18 1

1 38 W

0 1

15 10 2

0 28 WNW 0

3 19 29 4

0 55 NW 0

4 14 22 0

0 40 NNW 0

11 25 25 2

0 63 Variable 0

0 0

Total 4

54 217 272 89 25 661 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

2 102 of 104

Braidwood Generating Station Period of Record: October -

December 2010 Stability Class - Moderately Stable -

199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 6

4 6

5 13 5

2 3

11 13 12 3

8 9

11 7

0 3

4 1

0 5

2 3

10 1

5 16 16 16 9

11 3

0 12 15 13 14 20 8

8 14 16 21 33 22 27 20 26 15 0

Total 3

58 118 105 0

0 284 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

2 103 of 104

Braidwood Generating Station Period of Record: October - December 2010 Stability Class - Extremely Stable - 199Ft-3OFt Delta-T (F)

Winds Measured at 203 Feet Wind Speed (in mph)

Wind Direction N

NNE NE ENE E

ESE SE SSE S

SSW SW WSW W

WNW NW NNW Variable 1-3 4-7 8-12 13-18 19-24

> 24 Total 7

3 1

4 3

2 1

0 1

5 11 17 21 6

0 5

0 0

2 1

1 0

1 3

7 11 13 5

1 0

19 5

7 6

7 11 10 6

5 6

8 16 29 30 28 12 0

Total 19 53 83 50 0

0 205 Hours of calm in this stability class:

0 Hours of missing wind measurements in this stability class:

0 Hours of missing stability measurements in all stability classes:

2 104 of 104

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