Name: Louis Petrey

Title: Air Quality Superviser

Company: East Kentucky Power Cooperative

Sign Date:

Name: Mike Taylor

Title: President

Company: Catalyst Air Management

Sign Date:

Permitted Facility Representative / Date Testing Company Representative / Date

KY6041 Spurlock Unit 3

Final Test Report 

for

/ /

Based on information and belief formed 

after reasonable inquiry, I certify that the 

statements and information in this test 

report are true, accurate, and complete.

I have reviewed all testing details and 

results in this test report and hereby 

certify that the test report is authentic 

and accurate.

Monday, February 21, 2011 Page 1 of 16
KY6041 Spurlock Unit 3

Facility Information:

Spurlock

1301 West 2nd st.

Maysville KY 41056

Contact: Louis Petrey

Phone: 859-745-4157 ext. 204

Fax:

Email: louis.petrey@ekpc.coop

Testing Company:

Catalyst Air Management

2505 Byington-Solway Rd

Knoxville TN 37931

Contact:Mike Taylor

Phone: 865-531-0075

Fax: 831-531-0750

Email: mike.taylor@catalystair.com

Air Permit Number:

6041

Permitted Source ID/Name:

3 Hugh L. Spurlock Generating Station

Permitted Maximum Process Rate: Max. Normal Operation Process Rate: Target Process Test Rate

Description of the source (including control equipment). Please see the attachments for source or

 process flow diagram:

Industry/SCC/NAIS

Sampling Location Information:

Test Parameter Information:

AFS #: FRS #:

SCC / Description 10100218 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous 

Coal - Atmospheric Fluidized Bed Combustion: Circulating Bed (Bitum. Coal) 

The following state and federal regulations that apply to the proposed testing:

Location

Round

Duct

Diam.

Distance from 

upstream dist.

Distance from

downstream dist.

Number of

Traverse Ports

Equiv. 

Diam

Min.Travers 

Points

Rect. Duct 

Length /Width

KY6041 

Spulock Unit 3

176.71 0 0 0 1608 2832 4 24

Target

Parameter 

Test

Method

Number of

Test Runs

Test Run

Duration

Sample 

Location Points Comments

KY6041 Carbon Monoxide Method 10 3 120 0

Spulock Unit 3

Total organic compounds 

(TOC) as Propane

KY6041 Method 25A 3 120 0

Spulock Unit 3

KY6041 Chlorine Method 26A 3 180 0

Spulock Unit 3

Monday, February 21, 2011 Page 2 of 16
KY6041 Spurlock Unit 3

The following describes any modifications and/or deviations to the applicable test 

methods. If alternative methods were requested, see the attachments for documentation 

of request AND approval, including dates.

KY6041 Hydrogen Chloride Method 26A 3 180 0

Spulock Unit 3

KY6041 Hydrogen Fluoride Method 26A 3 180 0

Spulock Unit 3

KY6041 Total PM2.5 OTM - 27/28 3 380 0

Spulock Unit 3

Organic Condensible 

Particulate

KY6041 OTM - 27/28 3 380 0

Spulock Unit 3

Inorganic (Aqueous) 

Condensible Part.

KY6041 OTM - 27/28 3 380 0

Spulock Unit 3

KY6041 Filterable PM2.5 OTM - 27/28 3 380 0

Spulock Unit 3

KY6041 Arsenic Method 29 3 240 0

Spulock Unit 3

KY6041 Selenium Method 29 3 240 0

Spulock Unit 3

KY6041 Nickel Method 29 3 240 0

Spulock Unit 3

KY6041 Manganese Method 29 3 240 0

Spulock Unit 3

KY6041 Lead Method 29 3 240 0

Spulock Unit 3

KY6041 Filterable Particulate Method 29 3 240 0

Spulock Unit 3

KY6041 Cobalt Method 29 3 240 0

Spulock Unit 3

KY6041 Chromium Method 29 3 240 0

Spulock Unit 3

KY6041 Beryllium Method 29 3 240 0

Spulock Unit 3

KY6041 Cadmium Method 29 3 240 0

Spulock Unit 3

KY6041 Antimony Method 29 3 240 0

Spulock Unit 3

Monday, February 21, 2011 Page 3 of 16
KY6041 Spurlock Unit 3

Sampling / Stack Data Results Summary

Location KY6041 Spulock Unit 3 - Method 10

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Carbon Dioxide, %

Oxygen, %

Dry Volumetric Flow Rate, dry scfm

F-Factor, dscfm/MMBtu @ %O2

Moisture, %

Fuel Type

Fw

Fc

Location KY6041 Spulock Unit 3 - Method 25A

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Carbon Dioxide, %

Oxygen, %

Dry Volumetric Flow Rate, dry scfm

F-Factor, dscfm/MMBtu @ %O2

Moisture, %

Fuel Type

Fw

Fc

Monday, February 21, 2011 Page 4 of 16
KY6041 Spurlock Unit 3

Location KY6041 Spulock Unit 3 - Method 26A

Average

Run Number M26A-1 M26A-2 M26A-3

Test Date 5/19/2010 5/20/2010 5/20/2010

Run Start Time 12:11:00 PM 6:44:00 

AM

10:26:00 AM

Run Finish Time 3:23:00 PM 9:56:00 

AM

1:39:00 PM

Net Run Time, minutes 180 180 180

Dry Gas Meter Volume Sampled, dscf 126.368 123.333 122.992 124.231

Moisture Content of Stack Gas, % 12.51 11.83 12.55 12.297

Moisture Saturation at Stack Gas Temperature, % 34.02 45.71 43.18 40.970

Carbon Dioxide, % 14.2 14.1 14.4 14.233

Oxygen, % 5.1 5.1 5.1 5.100

Average Stack Gas Temperature, °F 161.00 173.79 171.29 168.693

Dry Volumetric Flow Rate, dry scfm 587,233.4 576,775.3 578,901.1 580,969.933

Actual Wet Volumetric Flue Gas Flow Rate, acfm 814,748.1 809,025.6 815,463.4 813,079.033

Percent Isokinetic of Sampling Rate, % 99.2 98.6 97.9 98.567

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Location KY6041 Spulock Unit 3 - Method 29

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Net Run Time, minutes

Dry Gas Meter Volume Sampled, dscf

Moisture Content of Stack Gas, %

Moisture Saturation at Stack Gas Temperature, %

Carbon Dioxide, %

Oxygen, %

Average Stack Gas Temperature, °F

Dry Volumetric Flow Rate, dry scfm

Actual Wet Volumetric Flue Gas Flow Rate, acfm

Percent Isokinetic of Sampling Rate, %

F-Factor, dscfm/MMBtu @ %O2

Fw

Fc

Monday, February 21, 2011 Page 5 of 16
KY6041 Spurlock Unit 3

Location KY6041 Spulock Unit 3 - OTM - 27/28

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Net Run Time, minutes

Dry Gas Meter Volume Sampled, dscf

Moisture Content of Stack Gas, %

Moisture Saturation at Stack Gas Temperature, %

Carbon Dioxide, %

Oxygen, %

Average Stack Gas Temperature, °F

Dry Volumetric Flow Rate, dry scfm

Actual Wet Volumetric Flue Gas Flow Rate, acfm

Percent Isokinetic of Sampling Rate, %

F-Factor, dscfm/MMBtu @ %O2

Fw

Fc

Monday, February 21, 2011 Page 6 of 16
KY6041 Spurlock Unit 3

Emissions Summary

Location: KY6041 Spulock Unit 3 - Method 10

Compound: Carbon Monoxide

Average

Run M10-1 M10-2 M10-3

lb/mmBtuO2 6.47E-02 6.40E-02 6.02E-02 0.063

ppm 6.58E+01 6.63E+01 6.24E+01 64.833

ppm@7%O2 6.06E+01 5.98E+01 5.63E+01 58.900

Location: KY6041 Spulock Unit 3 - Method 25A

Compound: Total organic compounds (TOC) as 

Average

Run M25A-1 M25A-2 M25A-3

lb/mmBtuO2 2.25E-04 7.09E-05 0.00E+00 0.000

ppm 1.50E-01 4.67E-02 0.00E+00 0.066

ppm@7%O2 1.34E-01 4.22E-02 0.00E+00 0.059

Location: KY6041 Spulock Unit 3 - Method 26A

Compound: Chlorine

Average

RunNumber M26A-1 M26A-2 M26A-3

Mass_mg 1.2 1.2 1.2 1.200

lb/mmBtuO2 2.71E-04 2.78E-04 2.78E-04 0.000

Compound: Hydrogen Chloride

Average

RunNumber M26A-1 M26A-2 M26A-3

Mass_mg 0.25 0.48 0.25 0.327

lb/mmBtuO2 5.64E-05 1.11E-04 5.80E-05 0.000

Compound: Hydrogen Fluoride

Average

RunNumber M26A-1 M26A-2 M26A-3

Mass_mg 0.25 0.25 0.25 0.250

lb/mmBtuO2 5.64E-05 5.78E-05 5.80E-05 0.000

Location: KY6041 Spulock Unit 3 - Method 29

Compound: Antimony

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.0018 0.0018 0.0018 0.002

lb/mmBtuO2 3.11E-07 3.08E-07 3.06E-07 0.000

Compound: Arsenic

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.00279 0.00212 0.0018 0.002

lb/mmBtuO2 4.82E-07 3.62E-07 3.06E-07 0.000

Monday, February 21, 2011 Page 7 of 16
KY6041 Spurlock Unit 3

Compound: Beryllium

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.00046 0.00045 0.00045 0.000

lb/mmBtuO2 7.94E-08 7.69E-08 7.64E-08 0.000

Compound: Cadmium

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.00045 0.00047 0.00045 0.000

lb/mmBtuO2 7.77E-08 8.03E-08 7.64E-08 0.000

Compound: Chromium

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.0087 0.00566 0.00223 0.006

lb/mmBtuO2 1.50E-06 9.67E-07 3.79E-07 0.000

Compound: Cobalt

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.00327 0.00127 0.00054 0.002

lb/mmBtuO2 5.65E-07 2.17E-07 9.17E-08 0.000

Compound: Filterable Particulate

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 42.8 31 40.8 38.200

lb/mmBtuO2 7.39E-03 5.30E-03 6.93E-03 0.007

Compound: Lead

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.15138 0.02856 0.16979 0.117

lb/mmBtuO2 2.61E-05 4.88E-06 2.88E-05 0.000

Compound: Manganese

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.02118 0.01038 0.00538 0.012

lb/mmBtuO2 3.66E-06 1.77E-06 9.13E-07 0.000

Compound: Nickel

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.0579 0.007 0.0091 0.025

lb/mmBtuO2 1.00E-05 1.20E-06 1.54E-06 0.000

Compound: Selenium

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.0045 0.0045 0.0045 0.005

lb/mmBtuO2 7.77E-07 7.69E-07 7.64E-07 0.000

Monday, February 21, 2011 Page 8 of 16
KY6041 Spurlock Unit 3

Process Run Data

Location: KY6041 Spulock Unit 3 - OTM - 27/28

Compound: Filterable PM2.5

Average

RunNumber OTM27-1 OTM27-2 OTM27-3

Mass_mg 16.6 17.7 18.3 17.533

lb/mmBtuO2 3.58E-03 3.84E-03 3.97E-03 0.004

Compound: Inorganic (Aqueous) Condensible Pa

Average

RunNumber OTM27-1 OTM27-2 OTM27-3

Mass_mg 39 30 30 33.000

lb/mmBtuO2 8.41E-03 6.50E-03 6.50E-03 0.007

Compound: Organic Condensible Particulate

Average

RunNumber OTM27-1 OTM27-2 OTM27-3

Mass_mg 1.3 1.2 1.9 1.467

lb/mmBtuO2 2.80E-04 2.60E-04 4.12E-04 0.000

Compound: Total PM2.5

Average

RunNumber OTM27-1 OTM27-2 OTM27-3

Mass_mg 56.9 48.9 50.2 52.000

lb/mmBtuO2 1.23E-02 1.06E-02 1.09E-02 0.011

Monday, February 21, 2011 Page 9 of 16
KY6041 Spurlock Unit 3

Process Run Data

APCD Run Data

Process Lab Run Data

Run Name Value UOM Comments

Target

Value

1 Bituminous Coal Burned 113.7 Tons/hr 0 5-11-2010

2 Bituminous Coal Burned 114.2 Tons/hr 0 5-12-2010

3 Bituminous Coal Burned 118.3 Tons/hr 0 5-18-2010

1 Unit Load 242.6 MW 0 5-11-2010

2 Unit Load 246.9 MW 0 5-12-2010

3 Unit Load 291.8 MW 0 5-18-2010

1 Steam Rate 2017 1000 lbs/hr 0 5-11-2010

2 Steam Rate 2028 1000 lbs/hr 0 5-12-2010

3 Steam Rate 2030 1000 lbs/hr 0 5-18-2010

1 Heat Input 2690 mmBtu/hr 0 5-11-2010

2 Heat Input 2666 mmBtu/hr 0 5-12-2010

3 Heat Input 2677 mmBtu/hr 0 5-18-2010

4 Bituminous Coal Burned 118 Tons/hr 0 5-19-2010

4 Unit Load 297.9 MW 0 5-19-2010

4 Steam Rate 2032 1000 lbs/hr 0 5-19-2010

4 Heat Input 2696 mmBtu/hr 0 5-19-2010

5 Bituminous Coal Burned 115.4 Tons/hr 0 5-20-2010

5 Unit Load 296.9 MW 0 5-20-2010

5 Steam Rate 2029 1000 lbs/hr 0 5-20-2010

5 Heat Input 2714 mmBtu/hr 0 5-20-2010

Run Name Value UOM Comments

Target

Value

1 SPRAY DRYER 80318 lb/hr 0

6 SPRAY DRYER 82531 lb/hr 0

7 SPRAY DRYER 65258 lb/hr 0

8 SPRAY DRYER 67213 lb/hr 0

9 SPRAY DRYER 66035 lb/hr 0

1 BAGHOUSE 0 0

6 BAGHOUSE 0 0

7 BAGHOUSE 0 0

8 BAGHOUSE 0 0

9 BAGHOUSE 0 0

Monday, February 21, 2011 Page 10 of 16
KY6041 Spurlock Unit 3

Process Lab Run Data

Run Name Value UOM Comments

1 0

Monday, February 21, 2011 Page 11 of 16
KY6041 Spurlock Unit 3

Sampling / Stack Data Results Detail

Location KY6041 Spulock Unit 3 - Method 10

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Carbon Dioxide, %

Oxygen, %

Fuel Factor

Dry Volumetric Flow Rate, dry scfm

F-Factor, dscfm/MMBtu @ %O2

Moisture, %

Analyzer Make

Analyzer Model

Analyzer Serial Number

Operating Range

Operating Units

No. Readings/Avg.

Calibration Set

Calibration Pre Zero Cylinder ID

Calibration Pre Zero Cylinder Instrument Response

Calibration Pre Zero Cylinder Bias

Calibration Pre Zero Cylinder Drift

Calibration Pre High Cylinder ID

Calibration Pre High Cylinder Instrument Response

Calibration Pre High Cylinder Bias

Calibration Pre High Cylinder Drift

Calibration Post Zero Cylinder ID

Calibration Post Zero Cylinder Instrument Response

Calibration Post Zero Cylinder Bias

Calibration Post Zero Cylinder Drift

Calibration Post High Cylinder ID

Calibration Post High Cylinder Instrument Response

Calibration Post High Cylinder Bias

Calibration Post High Cylinder Drift

Cavg

Cavg Units

Cgas

Cgas Units

Fuel Type

Fw

Fc

Cgasw

Cgasw Units

Monday, February 21, 2011 Page 12 of 16
KY6041 Spurlock Unit 3

Location KY6041 Spulock Unit 3 - Method 25A

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Carbon Dioxide, %

Oxygen, %

Fuel Factor

Dry Volumetric Flow Rate, dry scfm

F-Factor, dscfm/MMBtu @ %O2

Moisture, %

Analyzer Make

Analyzer Model

Analyzer Serial Number

Operating Range

Operating Units

No. Readings/Avg.

Calibration Set

Calibration Pre Zero Cylinder ID

Calibration Pre Zero Cylinder Instrument Response

Calibration Pre Zero Cylinder Bias

Calibration Pre Zero Cylinder Drift

Calibration Pre High Cylinder ID

Calibration Pre High Cylinder Instrument Response

Calibration Pre High Cylinder Bias

Calibration Pre High Cylinder Drift

Calibration Post Zero Cylinder ID

Calibration Post Zero Cylinder Instrument Response

Calibration Post Zero Cylinder Bias

Calibration Post Zero Cylinder Drift

Calibration Post High Cylinder ID

Calibration Post High Cylinder Instrument Response

Calibration Post High Cylinder Bias

Calibration Post High Cylinder Drift

Cavg

Cavg Units

Cgas

Cgas Units

Fuel Type

Fw

Fc

Cgasw

Cgasw Units

Monday, February 21, 2011 Page 13 of 16
KY6041 Spurlock Unit 3

Location KY6041 Spulock Unit 3 - Method 26A

Average

Run Number M26A-1 M26A-2 M26A-3

Test Date 5/19/2010 5/20/2010 5/20/2010

Run Start Time 12:11:00 PM 6:44:00 AM 10:26:00 AM

Run Finish Time 3:23:00 PM 9:56:00 AM 1:39:00 PM

Net Traversing Points 24 24 24

Net Run Time, minutes 180 180 180

Nozzle Diameter, inches 0.194 0.194 0.194 0.194

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.01 1.01 1.01 1.010

Barometric Pressure, inches of Mercury 29.1 29.15 29.15 29.133

Average Orifice Meter Differential, inches H2O 1.51 1.47 1.49 1.490

Dry Gas Meter Volume Sampled, cubic feet 130.081 125.593 126.440 127.371

Average Dry Gas Meter Temperature, °F 75.94 71.04 76.13 74.370

Dry Gas Meter Volume Sampled, dscf 126.368 123.333 122.992 124.231

Total Moisture Liquid collected, g 383.9 351.4 374.9 370.067

Volume of Water Vapor, standard cubic feet 18.07 16.54 17.65 17.420

Moisture Content of Stack Gas, % 12.51 11.83 12.55 12.297

Moisture Saturation at Stack Gas Temperature, % 34.02 45.71 43.18 40.970

Dry Mole Fraction 0.8749 0.8817 0.8745 0.877

Carbon Dioxide, % 14.2 14.1 14.4 14.233

Oxygen, % 5.1 5.1 5.1 5.100

Carbon Monoxide & Nitrogen, % 80.7 80.8 80.5 80.667

Fuel Factor 1.11 1.12 1.10

Dry Molecular Weight, lb/lb-Mole 30.48 30.46 30.51 30.483

Wet Molecular weight, lb/lb-Mole 28.92 28.99 28.94 28.950

Flue Gas Static Pressure, inches of H2O -1.5 -1.5 -1.5 -1.500

Absolute Flue Gas Pressure, inches of Mercury 28.99 29.04 29.04 29.023

Average Stack Gas Temperature, °F 161.00 173.79 171.29 168.693

Average Velocity Head, inches of H2O 1.6642674052

169

1.614498761

87256

1.644049154

30904

1.641

Average Stack Gas Velocity, feet/second 79.73 79.17 79.80 79.567

Stack Cross-Sectional Area, square feet 170.314 170.314 170.314 170.314

Dry Volumetric Flow Rate, dry scfm 587,233.4 576,775.3 578,901.1 580,969.933

Actual Wet Volumetric Flue Gas Flow Rate, acfm 814,748.1 809,025.6 815,463.4 813,079.033

Percent Isokinetic of Sampling Rate, % 99.2 98.6 97.9 98.567

Percent Excess Air, % 31.5 31.4 31.6 31.500

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Round Duct Diameter, inches 176.71 176.71 176.71

Rectangular Duct Width, inches 0 0 0

Rectangular Duct Length, inches 0 0 0

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Monday, February 21, 2011 Page 14 of 16
KY6041 Spurlock Unit 3

Location KY6041 Spulock Unit 3 - Method 29

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Net Traversing Points

Net Run Time, minutes

Nozzle Diameter, inches

Pitot Tube Coefficient

Dry Gas Meter Calibration Factor

Barometric Pressure, inches of Mercury

Average Orifice Meter Differential, inches H2O

Dry Gas Meter Volume Sampled, cubic feet

Average Dry Gas Meter Temperature, °F

Dry Gas Meter Volume Sampled, dscf

Total Moisture Liquid collected, g

Volume of Water Vapor, standard cubic feet

Moisture Content of Stack Gas, %

Moisture Saturation at Stack Gas Temperature, %

Dry Mole Fraction

Carbon Dioxide, %

Oxygen, %

Carbon Monoxide & Nitrogen, %

Fuel Factor

Dry Molecular Weight, lb/lb-Mole

Wet Molecular weight, lb/lb-Mole

Flue Gas Static Pressure, inches of H2O

Absolute Flue Gas Pressure, inches of Mercury

Average Stack Gas Temperature, °F

Average Velocity Head, inches of H2O

Average Stack Gas Velocity, feet/second

Stack Cross-Sectional Area, square feet

Dry Volumetric Flow Rate, dry scfm

Actual Wet Volumetric Flue Gas Flow Rate, acfm

Percent Isokinetic of Sampling Rate, %

Percent Excess Air, %

F-Factor, dscfm/MMBtu @ %O2

Round Duct Diameter, inches

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw

Fc

Monday, February 21, 2011 Page 15 of 16
KY6041 Spurlock Unit 3

Location KY6041 Spulock Unit 3 - OTM - 27/28

Average

Run Number

Test Date

Run Start Time

Run Finish Time

Net Traversing Points

Net Run Time, minutes

Nozzle Diameter, inches

Pitot Tube Coefficient

Dry Gas Meter Calibration Factor

Barometric Pressure, inches of Mercury

Average Orifice Meter Differential, inches H2O

Dry Gas Meter Volume Sampled, cubic feet

Average Dry Gas Meter Temperature, °F

Dry Gas Meter Volume Sampled, dscf

Total Moisture Liquid collected, g

Volume of Water Vapor, standard cubic feet

Moisture Content of Stack Gas, %

Moisture Saturation at Stack Gas Temperature, %

Dry Mole Fraction

Carbon Dioxide, %

Oxygen, %

Carbon Monoxide & Nitrogen, %

Fuel Factor

Dry Molecular Weight, lb/lb-Mole

Wet Molecular weight, lb/lb-Mole

Flue Gas Static Pressure, inches of H2O

Absolute Flue Gas Pressure, inches of Mercury

Average Stack Gas Temperature, °F

Average Velocity Head, inches of H2O

Average Stack Gas Velocity, feet/second

Stack Cross-Sectional Area, square feet

Dry Volumetric Flow Rate, dry scfm

Actual Wet Volumetric Flue Gas Flow Rate, acfm

Percent Isokinetic of Sampling Rate, %

Percent Excess Air, %

F-Factor, dscfm/MMBtu @ %O2

Round Duct Diameter, inches

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw

Fc

Monday, February 21, 2011 Page 16 of 16