APPENDIX I 

ERT REPORTS 

Century Aluminum - ICR Testing

5/28/2013

Facility Information:

Century Aluminum of Kentucky

1627 State Route North

Hawesville Ky 42348

Contact: Jamie Coomes

Phone: 270-852-2818

Fax:

Email: jcoomes@centuryky.com

Testing Company:

GEL Engineering, LLC

2040 Savage Road

Charleston SC 29417

Contact:Craig McKenzie

Phone: 843-769-7378

Fax:

Email: cam2@gel.com

Air Permit Number:

V-08-012 EP84 Potline 1-4 Main Stack

Permitted Maximum Process Rate:

66,000 tons of aluminum

Max. Normal Operation Process Rate:

66,000 tons of aluminum

Target Process Test Rat

56,000 tons of aluminum

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

 process flow diagram:

NA. Previously submitted.

Industry/SCC/NAIS

Sampling Location Information:

Test Parameter Information:

AFS #: 29-091-0004 FRS #:

SCC / Description 30304001 Industrial Processes - Primary Metal Production - Alumina Processing - Bayer 

Process - Bayer Process

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

Permitted Source ID/Name:

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

Line 4 Stack 311.75 3177 1558 4 12

Line 4 

Downcomer

14 28 14 2 12

Line 4 

Downcomer-B

14 28 14 2 12

Line 4 Stack-B 311.75 3177 1558 4 12

Target

Parameter 

Test

Method

Number of

Test Runs

Test Run

Location Duration Comments

Line 4 Filterable Particulate Method 17 3 240

Downcomer

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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.

NA

Line 4 Beryllium Method 29 3 240

Downcomer

Line 4 Cobalt Method 29 3 240

Downcomer

Line 4 Selenium Method 29 3 240

Downcomer

Line 4 Chromium Method 29 3 240

Downcomer

Line 4 Cadmium Method 29 3 240

Downcomer

Line 4 Nickel Method 29 3 240

Downcomer

Line 4 Lead Method 29 3 240

Downcomer

Line 4 Arsenic Method 29 3 240

Downcomer

Line 4 Antimony Method 29 3 240

Downcomer

Line 4 Mercury Method 29 3 240

Downcomer

Line 4 Manganese Method 29 3 240

Downcomer

Line 4 Particulate Matter (PM) Method 315 3 240

Downcomer

Methylene Chloride 

Extractable Matter (MCEM)

Line 4 Method 315 3 240

Downcomer

Line 4 Filterable Particulate Method 17 3 240

Downcomer-B

Line 4 Particulate Matter (PM) Method 315 3 180

Downcomer-B

Methylene Chloride 

Extractable Matter (MCEM)

Line 4 Method 315 3 180

Downcomer-B

Line 4 Stack Cobalt Method 29 3 240

Line 4 Stack Arsenic Method 29 3 240

Line 4 Stack Selenium Method 29 3 240

Line 4 Stack Chromium Method 29 3 240

Line 4 Stack Beryllium Method 29 3 240

Line 4 Stack Antimony Method 29 3 240

Line 4 Stack Mercury Method 29 3 240

Line 4 Stack Magnesium Method 29 3 240

Line 4 Stack Lead Method 29 3 240

Line 4 Stack Nickel Method 29 3 240

Line 4 Stack Cadmium Method 29 3 240

Methylene Chloride 

Extractable Matter (MCEM)

Line 4 Stack Method 315 3 180

Line 4 Stack Particulate Matter (PM) Method 315 3 180

Methylene Chloride 

Extractable Matter (MCEM)

Line 4 Stack-B Method 315 3 180

Line 4 Stack-B Particulate Matter (PM) Method 315 3 180

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Sampling / Stack Data Results Summary

Location Line 4 Downcomer - Method 17

Average

Run Number 1 2 3

Test Date 5/7/2013 5/7/2013 5/8/2013

Run Start Time 5:30:00 PM 12:05:00 

AM

2:00:00 AM

Run Finish Time 9:10:00 PM 11:45:00 

PM

5:40:00 AM

Net Run Time, minutes 240 240 240

Dry Gas Meter Volume Sampled, dscf 166.15 163.90 167.10 165.717

Moisture Content of Stack Gas, % 1.49 1.41 1.54 1.480

Moisture Saturation at Stack Gas Temperature, % 3.77 2.91 2.45 3.043

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 82.58 74.67 69.58 75.610

Dry Volumetric Flow Rate, dry scfm 892.0 881.1 896.8 889.967

Actual Wet Volumetric Flue Gas Flow Rate, acfm 935.2 910.8 918.5 921.500

Percent Isokinetic of Sampling Rate, % 100.0 99.9 100.0 99.967

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

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Location Line 4 Downcomer - Method 29

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/13/2013

Run Start Time 7:00:00 PM 2:20:00 

AM

2:40:00 AM

Run Finish Time 10:30:00 PM 1/1/1900 

2:10:00 

AM

6:10:00 AM

Net Run Time, minutes 220 220 220

Dry Gas Meter Volume Sampled, dscf 148.99 147.14 151.32 149.150

Moisture Content of Stack Gas, % 0.35 0.35 0.38 0.360

Moisture Saturation at Stack Gas Temperature, % 1.33 1.21 0.96 1.167

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 52.45 49.82 43.82 48.697

Dry Volumetric Flow Rate, dry scfm 757.0 751.0 771.0 759.667

Actual Wet Volumetric Flue Gas Flow Rate, acfm 738.3 728.6 739.5 735.467

Percent Isokinetic of Sampling Rate, % 94.8 94.4 94.6 94.600

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

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Location Line 4 Downcomer - Method 315

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/13/2013

Run Start Time 7:00:00 PM 12:24:00 

AM

12:45:00 AM

Run Finish Time 9:30:00 PM 1/1/1900 

12:05:00 

AM

3:15:00 AM

Net Run Time, minutes 150 150 150

Dry Gas Meter Volume Sampled, dscf 109.12 107.68 109.19 108.663

Moisture Content of Stack Gas, % 0.35 0.33 0.29 0.323

Moisture Saturation at Stack Gas Temperature, % 1.34 1.21 1.16 1.237

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 52.60 49.90 48.70 50.400

Dry Volumetric Flow Rate, dry scfm 764.0 753.0 771.6 762.867

Actual Wet Volumetric Flue Gas Flow Rate, acfm 745.3 730.6 746.6 740.833

Percent Isokinetic of Sampling Rate, % 100.9 101.1 100.0 100.667

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

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Location Line 4 Downcomer-B - Method 17

Average

Run Number 4 5 6

Test Date 5/8/2013 5/8/2013 5/9/2013

Run Start Time 4:45:00 PM 12:00:00 

AM

1:15:00 AM

Run Finish Time 8:25:00 PM 11:40:00 

PM

4:35:00 AM

Net Run Time, minutes 240 240 240

Dry Gas Meter Volume Sampled, dscf 163.72 162.29 165.50 163.837

Moisture Content of Stack Gas, % 1.18 1.17 1.26 1.203

Moisture Saturation at Stack Gas Temperature, % 4.99 3.27 2.67 3.643

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 91.42 78.08 72.00 80.500

Dry Volumetric Flow Rate, dry scfm 882.2 873.2 889.2 881.533

Actual Wet Volumetric Flue Gas Flow Rate, acfm 936.4 909.5 916.6 920.833

Percent Isokinetic of Sampling Rate, % 99.6 99.8 99.9 99.767

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

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Location Line 4 Downcomer-B - Method 315

Average

Run Number 1 2 3

Test Date 3/13/2013 3/13/2013 3/14/2013

Run Start Time 7:15:00 PM 12:00:00 

AM

12:45:00 AM

Run Finish Time 9:45:00 PM 11:45:00 

PM

3:15:00 AM

Net Run Time, minutes 150 150 150

Dry Gas Meter Volume Sampled, dscf 112.03 107.08 107.91 109.007

Moisture Content of Stack Gas, % 0.28 0.30 0.31 0.297

Moisture Saturation at Stack Gas Temperature, % 0.75 0.74 0.77 0.753

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 37.30 37.00 38.10 37.467

Dry Volumetric Flow Rate, dry scfm 792.8 762.0 770.4 775.067

Actual Wet Volumetric Flue Gas Flow Rate, acfm 751.1 721.6 731.2 734.633

Percent Isokinetic of Sampling Rate, % 99.9 99.3 99.0 99.400

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

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Location Line 4 Stack - Method 29

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/12/2013

Run Start Time 8:30:00 AM 12:10:00 

PM

3:50:00 PM

Run Finish Time 12:15:00 PM 3:50:00 PM 7:40:00 PM

Net Run Time, minutes 240 240 240

Dry Gas Meter Volume Sampled, dscf 159.50 166.52 159.40 161.807

Moisture Content of Stack Gas, % 2.27 3.01 3.39 2.890

Moisture Saturation at Stack Gas Temperature, % 3.19 3.41 3.43 3.343

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 76.92 79.00 79.17 78.363

Dry Volumetric Flow Rate, dry scfm 1,330,962.5 1,321,718.1 1,338,923.5 1,330,534.70

0

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,414,672.2 1,420,079.0 1,446,158.8 1,426,970.00

0

Percent Isokinetic of Sampling Rate, % 91.7 96.4 91.1 93.067

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

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Location Line 4 Stack - Method 315

Average

Run Number 1 2 3

Test Date 3/13/2013 3/13/2013 3/13/2013

Run Start Time 9:05:00 AM 12:20:00 

PM

3:35:00 PM

Run Finish Time 12:05:00 PM 3:20:00 PM 6:35:00 PM

Net Run Time, minutes 180 180 180

Dry Gas Meter Volume Sampled, dscf 137.82 133.19 131.86 134.290

Moisture Content of Stack Gas, % 2.55 2.46 2.89 2.633

Moisture Saturation at Stack Gas Temperature, % 2.83 2.95 2.92 2.900

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 73.75 74.92 74.67 74.447

Dry Volumetric Flow Rate, dry scfm 1,392,206.1 1,387,660.3 1,368,012.7 1,382,626.36

7

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,455,382.2 1,454,428.0 1,437,571.5 1,449,127.23

3

Percent Isokinetic of Sampling Rate, % 101.0 98.0 98.4 99.133

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

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Location Line 4 Stack-B - Method 315

Average

Run Number 1 3 5

Test Date 3/14/2013 3/14/2013 3/14/2013

Run Start Time 8:00:00 AM 2:30:00 PM 11:15:00 AM

Run Finish Time 11:00:00 AM 5:30:00 PM 2:15:00 PM

Net Run Time, minutes 180 180 180

Dry Gas Meter Volume Sampled, dscf 132.43 133.88 131.06 132.457

Moisture Content of Stack Gas, % 2.83 2.27 2.51 2.537

Moisture Saturation at Stack Gas Temperature, % 2.80 3.07 3.06 2.977

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 73.42 76.17 76.08 75.223

Dry Volumetric Flow Rate, dry scfm 1,373,672.6 1,397,873.5 1,362,751.5 1,378,099.20

0

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,440,752.0 1,466,195.7 1,433,118.9 1,446,688.86

7

Percent Isokinetic of Sampling Rate, % 98.4 97.8 98.2 98.133

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

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Emissions Summary

Location: Line 4 Downcomer - Method 17

Compound: Filterable Particulate

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 22.928 13.498 16.685 1.77E+01

Elb/hr 1.63E-02 9.60E-03 1.18E-02 1.26E-02

gr/dscf 2.13E-03 1.27E-03 1.54E-03 1.65E-03

Location: Line 4 Downcomer - Method 29

Compound: Antimony

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.0002 0.000387 0.000355 3.14E-04

Elb/hr 1.34E-07 2.61E-07 2.39E-07 2.11E-07

gr/dscf 2.07E-08 4.06E-08 3.62E-08 3.25E-08

mg/dscm 4.74E-05 9.29E-05 8.29E-05 7.44E-05

Compound: Arsenic

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.000569 0.000529 0.000681 5.93E-04

Elb/hr 3.82E-07 3.57E-07 4.59E-07 3.99E-07

gr/dscf 5.89E-08 5.55E-08 6.95E-08 6.13E-08

mg/dscm 1.35E-04 1.27E-04 1.59E-04 1.40E-04

Compound: Beryllium

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.000804 0.000742 0.00102 8.55E-04

Elb/hr 5.40E-07 5.01E-07 6.87E-07 5.76E-07

gr/dscf 8.33E-08 7.78E-08 1.04E-07 8.84E-08

mg/dscm 1.91E-04 1.78E-04 2.38E-04 2.02E-04

Compound: Cadmium

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.000242 0.000232 0.000338 2.71E-04

Elb/hr 1.63E-07 1.57E-07 2.28E-07 1.83E-07

gr/dscf 2.51E-08 2.43E-08 3.45E-08 2.80E-08

mg/dscm 5.74E-05 5.57E-05 7.89E-05 6.40E-05

Compound: Chromium

Average

ProcRunID

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RunNumber 1 2 3

Mass_mg 0.0049 0.00531 0.00869 6.30E-03

Elb/hr 3.29E-06 3.59E-06 5.86E-06 4.25E-06

gr/dscf 5.08E-07 5.57E-07 8.86E-07 6.50E-07

mg/dscm 1.16E-03 1.27E-03 2.03E-03 1.49E-03

Compound: Cobalt

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.00197 0.0013 0.0011 1.46E-03

Elb/hr 1.32E-06 8.78E-07 7.41E-07 9.80E-07

gr/dscf 2.04E-07 1.36E-07 1.12E-07 1.51E-07

mg/dscm 4.67E-04 3.12E-04 2.57E-04 3.45E-04

Compound: Lead

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.00332 0.00378 0.00533 4.14E-03

Elb/hr 2.23E-06 2.55E-06 3.59E-06 2.79E-06

gr/dscf 3.44E-07 3.96E-07 5.44E-07 4.28E-07

mg/dscm 7.87E-04 9.07E-04 1.24E-03 9.78E-04

Compound: Manganese

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.0347 0.0165 0.0118 2.10E-02

Elb/hr 2.33E-05 1.11E-05 7.95E-06 1.41E-05

gr/dscf 3.59E-06 1.73E-06 1.20E-06 2.17E-06

mg/dscm 8.23E-03 3.96E-03 2.75E-03 4.98E-03

Compound: Mercury

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.0005 0.0005 0.0005 5.00E-04

Elb/hr 3.36E-07 3.38E-07 3.37E-07 3.37E-07

gr/dscf 5.18E-08 5.24E-08 5.10E-08 5.17E-08

mg/dscm 1.19E-04 1.20E-04 1.17E-04 1.19E-04

Compound: Nickel

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.0965 0.0556 0.044 6.54E-02

Elb/hr 6.49E-05 3.75E-05 2.97E-05 4.40E-05

gr/dscf 1.00E-05 5.83E-06 4.49E-06 6.77E-06

mg/dscm 2.29E-02 1.33E-02 1.03E-02 1.55E-02

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Compound: Selenium

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.000269 0.000329 0.0002 2.66E-04

Elb/hr 1.81E-07 2.22E-07 1.35E-07 1.79E-07

gr/dscf 2.79E-08 3.45E-08 2.04E-08 2.76E-08

mg/dscm 6.38E-05 7.90E-05 4.67E-05 6.32E-05

Location: Line 4 Downcomer - Method 315

Compound: Methylene Chloride Extractable Mat

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 3 3.4 2 2.80E+00

Elb/hr 2.78E-03 3.15E-03 1.87E-03 2.60E-03

gr/dscf 4.24E-04 4.87E-04 2.83E-04 3.98E-04

mg/dscm 9.71E-01 1.12E+00 6.47E-01 9.13E-01

Compound: Particulate Matter (PM)

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 10.7 8.4 8.1 9.07E+00

Elb/hr 9.91E-03 7.77E-03 7.57E-03 8.42E-03

gr/dscf 1.51E-03 1.20E-03 1.14E-03 1.28E-03

mg/dscm 3.46E+00 2.76E+00 2.62E+00 2.95E+00

Location: Line 4 Downcomer-B - Method 17

Compound: Filterable Particulate

Average

ProcRunID

RunNumber 4 5 6

Mass_mg 9.709 5.615 16.461 1.06E+01

Elb/hr 6.92E-03 4.00E-03 1.17E-02 7.54E-03

gr/dscf 9.15E-04 5.34E-04 1.53E-03 9.93E-04

Location: Line 4 Downcomer-B - Method 315

Compound: Methylene Chloride Extractable Mat

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 3.2 1.4 1.7 2.10E+00

Elb/hr 3.00E-03 1.32E-03 1.61E-03 1.98E-03

gr/dscf 4.41E-04 2.02E-04 2.43E-04 2.95E-04

mg/dscm 1.01E+00 4.62E-01 5.56E-01 6.76E-01

Compound: Particulate Matter (PM)

Average

ProcRunID

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RunNumber 1 2 3

Mass_mg 6.8 7.7 10 8.17E+00

Elb/hr 6.37E-03 7.25E-03 9.44E-03 7.69E-03

gr/dscf 9.37E-04 1.11E-03 1.43E-03 1.16E-03

mg/dscm 2.14E+00 2.54E+00 3.27E+00 2.65E+00

Location: Line 4 Stack - Method 29

Compound: Antimony

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.00216 0.000894 0.000949 1.33E-03

Elb/hr 2.38E-03 9.39E-04 1.05E-03 1.46E-03

gr/dscf 2.09E-07 8.29E-08 9.19E-08 1.28E-07

mg/dscm 4.78E-04 1.90E-04 2.10E-04 2.93E-04

Compound: Arsenic

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.00433 0.00494 0.00419 4.49E-03

Elb/hr 4.78E-03 5.19E-03 4.66E-03 4.88E-03

gr/dscf 4.19E-07 4.58E-07 4.06E-07 4.28E-07

mg/dscm 9.59E-04 1.05E-03 9.28E-04 9.79E-04

Compound: Beryllium

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.00684 0.00736 0.00551 6.57E-03

Elb/hr 7.55E-03 7.73E-03 6.12E-03 7.13E-03

gr/dscf 6.62E-07 6.82E-07 5.33E-07 6.26E-07

mg/dscm 1.51E-03 1.56E-03 1.22E-03 1.43E-03

Compound: Cadmium

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.00167 0.00172 0.00106 1.48E-03

Elb/hr 1.84E-03 1.81E-03 1.18E-03 1.61E-03

gr/dscf 1.62E-07 1.59E-07 1.03E-07 1.41E-07

mg/dscm 3.70E-04 3.65E-04 2.35E-04 3.23E-04

Compound: Chromium

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.0122 0.0149 0.0048 1.06E-02

Elb/hr 1.35E-02 1.56E-02 5.33E-03 1.15E-02

gr/dscf 1.18E-06 1.38E-06 4.65E-07 1.01E-06

mg/dscm 2.70E-03 3.16E-03 1.06E-03 2.31E-03

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Compound: Cobalt

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.00182 0.00157 0.000849 1.41E-03

Elb/hr 2.01E-03 1.65E-03 9.43E-04 1.53E-03

gr/dscf 1.76E-07 1.46E-07 8.22E-08 1.35E-07

mg/dscm 4.03E-04 3.33E-04 1.88E-04 3.08E-04

Compound: Lead

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.0221 0.0241 0.0203 2.22E-02

Elb/hr 2.44E-02 2.53E-02 2.26E-02 2.41E-02

gr/dscf 2.14E-06 2.23E-06 1.97E-06 2.11E-06

mg/dscm 4.89E-03 5.11E-03 4.50E-03 4.83E-03

Compound: Magnesium

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.0144 0.0127 0.00971 1.23E-02

Elb/hr 1.59E-02 1.33E-02 1.08E-02 1.33E-02

gr/dscf 1.39E-06 1.18E-06 9.40E-07 1.17E-06

mg/dscm 3.19E-03 2.69E-03 2.15E-03 2.68E-03

Compound: Mercury

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.0005 0.0006 0.000706 6.02E-04

Elb/hr 5.52E-04 6.30E-04 7.84E-04 6.55E-04

gr/dscf 4.84E-08 5.56E-08 6.84E-08 5.75E-08

mg/dscm 1.11E-04 1.27E-04 1.56E-04 1.31E-04

Compound: Nickel

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.0691 0.0418 0.0241 4.50E-02

Elb/hr 7.63E-02 4.39E-02 2.68E-02 4.90E-02

gr/dscf 6.69E-06 3.87E-06 2.33E-06 4.30E-06

mg/dscm 1.53E-02 8.87E-03 5.34E-03 9.84E-03

Compound: Selenium

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.000683 0.000707 0.00177 1.05E-03

Elb/hr 7.54E-04 7.42E-04 1.97E-03 1.16E-03

gr/dscf 6.61E-08 6.55E-08 1.71E-07 1.01E-07

Page 17 of 53
Century Aluminum - ICR Testing

5/28/2013

mg/dscm 1.51E-04 1.50E-04 3.92E-04 2.31E-04

Location: Line 4 Stack - Method 315

Compound: Methylene Chloride Extractable Mat

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 4.1 2.8 2.1 3.00E+00

Elb/hr 5.48E+00 3.86E+00 2.88E+00 4.07E+00

gr/dscf 4.59E-04 3.24E-04 2.46E-04 3.43E-04

mg/dscm 1.05E+00 7.43E-01 5.63E-01 7.85E-01

Compound: Particulate Matter (PM)

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 93.3 86.2 157.3 1.12E+02

Elb/hr 1.25E+02 1.19E+02 2.16E+02 1.53E+02

gr/dscf 1.04E-02 9.99E-03 1.84E-02 1.29E-02

mg/dscm 2.39E+01 2.29E+01 4.21E+01 2.96E+01

Location: Line 4 Stack-B - Method 315

Compound: Methylene Chloride Extractable Mat

Average

ProcRunID

RunNumber 1 5 3

Mass_mg 4.5 1.1 2.9 2.83E+00

Elb/hr 6.17E+00 1.51E+00 4.01E+00 3.90E+00

gr/dscf 5.24E-04 1.30E-04 3.34E-04 3.29E-04

mg/dscm 1.20E+00 2.96E-01 7.65E-01 7.54E-01

Compound: Particulate Matter (PM)

Average

ProcRunID

RunNumber 1 5 3

Mass_mg 113.2 123.1 199.2 1.45E+02

Elb/hr 1.55E+02 1.69E+02 2.75E+02 2.00E+02

gr/dscf 1.32E-02 1.45E-02 2.30E-02 1.69E-02

mg/dscm 3.02E+01 3.32E+01 5.26E+01 3.87E+01

Page 18 of 53
Century Aluminum - ICR Testing

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Process Run Data

APCD Run Data

Process Lab Run Data

Run Name Value UOM Comments

Target

Value

1 Aluminum Produced 24.15 Tons/hr 0

Run Name Value UOM Comments

Target

Value

1 ELECTROSTATIC PRECIPITATOR - HIGH 

EFFICIENCY

0 0

Page 19 of 53
Century Aluminum - ICR Testing

5/28/2013

Sampling / Stack Data Results Detail

Location Line 4 Downcomer - Method 17

Average

Run Number 1 2 3

Test Date 5/7/2013 5/7/2013 5/8/2013

Run Start Time 5:30:00 PM 12:05:00 AM 2:00:00 AM

Run Finish Time 9:10:00 PM 11:45:00 PM 5:40:00 AM

Net Traversing Points 12 84 108

Net Run Time, minutes 240 240 240

Nozzle Diameter, inches 0.39 0.39 0.39 0.390

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.0062 1.0062 1.0062 1.006

Barometric Pressure, inches of Mercury 29.77 29.73 29.76 29.753

Average Orifice Meter Differential, inches H2O 1.58 1.53 1.58 1.563

Dry Gas Meter Volume Sampled, cubic feet 170.948 167.624 169.858 169.477

Average Dry Gas Meter Temperature, °F 86.00 81.92 79.25 82.390

Dry Gas Meter Volume Sampled, dscf 166.15 163.90 167.10 165.717

Total Moisture Liquid collected, g 53.4 49.9 55.5 52.933

Volume of Water Vapor, standard cubic feet 2.51 2.35 2.61 2.490

Moisture Content of Stack Gas, % 1.49 1.41 1.54 1.480

Moisture Saturation at Stack Gas Temperature, % 3.77 2.91 2.45 3.043

Dry Mole Fraction 0.9851 0.9859 0.9846 0.985

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.68 28.69 28.67 28.680

Flue Gas Static Pressure, inches of H2O -0.04 -0.04 -0.04 -0.040

Absolute Flue Gas Pressure, inches of Mercury 29.77 29.73 29.76 29.753

Average Stack Gas Temperature, °F 82.58 74.67 69.58 75.610

Average Velocity Head, inches of H2O 6.4903703492

0393E-02

6.235633857

12751E-02

0.0640730450

61705

0.064

Average Stack Gas Velocity, feet/second 14.58 14.20 14.32 14.367

Stack Cross-Sectional Area, square feet 1.069 1.069 1.069 1.069

Dry Volumetric Flow Rate, dry scfm 892.0 881.1 896.8 889.967

Actual Wet Volumetric Flue Gas Flow Rate, acfm 935.2 910.8 918.5 921.500

Percent Isokinetic of Sampling Rate, % 100.0 99.9 100.0 99.967

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 14 14 14

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 20 of 53
Century Aluminum - ICR Testing

5/28/2013

Location Line 4 Downcomer - Method 29

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/13/2013

Run Start Time 7:00:00 PM 2:20:00 AM 2:40:00 AM

Run Finish Time 10:30:00 PM 1/1/1900 

2:10:00 AM

6:10:00 AM

Net Traversing Points 12 12 12

Net Run Time, minutes 220 220 220

Nozzle Diameter, inches 0.43 0.43 0.43 0.430

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.0102 1.0102 1.0102 1.010

Barometric Pressure, inches of Mercury 29.9 29.9 29.9 29.900

Average Orifice Meter Differential, inches H2O 1.66 1.63 1.71 1.667

Dry Gas Meter Volume Sampled, cubic feet 145.992 144.172 147.052 145.739

Average Dry Gas Meter Temperature, °F 64.45 64.36 60.18 62.997

Dry Gas Meter Volume Sampled, dscf 148.99 147.14 151.32 149.150

Total Moisture Liquid collected, g 11.2 10.9 12.1 11.400

Volume of Water Vapor, standard cubic feet 0.53 0.51 0.57 0.537

Moisture Content of Stack Gas, % 0.35 0.35 0.38 0.360

Moisture Saturation at Stack Gas Temperature, % 1.33 1.21 0.96 1.167

Dry Mole Fraction 0.9965 0.9965 0.9962 0.996

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.80 28.80 28.80 28.800

Flue Gas Static Pressure, inches of H2O -0.32 -0.32 -0.32 -0.320

Absolute Flue Gas Pressure, inches of Mercury 29.88 29.88 29.88 29.880

Average Stack Gas Temperature, °F 52.45 49.82 43.82 48.697

Average Velocity Head, inches of H2O 0.0431477585

51957

4.223623481

21617E-02

4.4069013614

5698E-02

0.043

Average Stack Gas Velocity, feet/second 11.51 11.36 11.53 11.467

Stack Cross-Sectional Area, square feet 1.069 1.069 1.069 1.069

Dry Volumetric Flow Rate, dry scfm 757.0 751.0 771.0 759.667

Actual Wet Volumetric Flue Gas Flow Rate, acfm 738.3 728.6 739.5 735.467

Percent Isokinetic of Sampling Rate, % 94.8 94.4 94.6 94.600

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 14 14 14

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 21 of 53
Century Aluminum - ICR Testing

5/28/2013

Location Line 4 Downcomer - Method 315

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/13/2013

Run Start Time 7:00:00 PM 12:24:00 AM 12:45:00 AM

Run Finish Time 9:30:00 PM 1/1/1900 

12:05:00 AM

3:15:00 AM

Net Traversing Points 11 11 11

Net Run Time, minutes 150 150 150

Nozzle Diameter, inches 0.43 0.43 0.43 0.430

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.0062 1.0062 1.0062 1.006

Barometric Pressure, inches of Mercury 29.9 29.9 29.9 29.900

Average Orifice Meter Differential, inches H2O 1.61 1.56 1.63 1.600

Dry Gas Meter Volume Sampled, cubic feet 107.263 106.232 107.153 106.883

Average Dry Gas Meter Temperature, °F 63.95 65.80 63.10 64.283

Dry Gas Meter Volume Sampled, dscf 109.12 107.68 109.19 108.663

Total Moisture Liquid collected, g 8 7.7 6.7 7.467

Volume of Water Vapor, standard cubic feet 0.38 0.36 0.32 0.353

Moisture Content of Stack Gas, % 0.35 0.33 0.29 0.323

Moisture Saturation at Stack Gas Temperature, % 1.34 1.21 1.16 1.237

Dry Mole Fraction 0.9965 0.9967 0.9971 0.997

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.80 28.80 28.81 28.803

Flue Gas Static Pressure, inches of H2O -0.32 -0.32 -0.32 -0.320

Absolute Flue Gas Pressure, inches of Mercury 29.88 29.88 29.88 29.880

Average Stack Gas Temperature, °F 52.60 49.90 48.70 50.400

Average Velocity Head, inches of H2O 4.3976450198

7817E-02

4.246320343

55964E-02

4.4486753236

8147E-02

0.044

Average Stack Gas Velocity, feet/second 11.62 11.39 11.64 11.550

Stack Cross-Sectional Area, square feet 1.069 1.069 1.069 1.069

Dry Volumetric Flow Rate, dry scfm 764.0 753.0 771.6 762.867

Actual Wet Volumetric Flue Gas Flow Rate, acfm 745.3 730.6 746.6 740.833

Percent Isokinetic of Sampling Rate, % 100.9 101.1 100.0 100.667

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 14 14 14

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 22 of 53
Century Aluminum - ICR Testing

5/28/2013

Location Line 4 Downcomer-B - Method 17

Average

Run Number 4 5 6

Test Date 5/8/2013 5/8/2013 5/9/2013

Run Start Time 4:45:00 PM 12:00:00 AM 1:15:00 AM

Run Finish Time 8:25:00 PM 11:40:00 PM 4:35:00 AM

Net Traversing Points 12 12 12

Net Run Time, minutes 240 240 240

Nozzle Diameter, inches 0.39 0.39 0.39 0.390

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.0062 1.0062 1.0062 1.006

Barometric Pressure, inches of Mercury 29.79 29.62 29.62 29.677

Average Orifice Meter Differential, inches H2O 1.54 1.52 1.57 1.543

Dry Gas Meter Volume Sampled, cubic feet 169.182 169.094 171.280 169.852

Average Dry Gas Meter Temperature, °F 88.67 90.04 86.42 88.377

Dry Gas Meter Volume Sampled, dscf 163.72 162.29 165.50 163.837

Total Moisture Liquid collected, g 41.4 40.7 45.1 42.400

Volume of Water Vapor, standard cubic feet 1.95 1.92 2.12 1.997

Moisture Content of Stack Gas, % 1.18 1.17 1.26 1.203

Moisture Saturation at Stack Gas Temperature, % 4.99 3.27 2.67 3.643

Dry Mole Fraction 0.9882 0.9883 0.9874 0.988

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.71 28.71 28.70 28.707

Flue Gas Static Pressure, inches of H2O -0.04 -0.04 -0.04 -0.040

Absolute Flue Gas Pressure, inches of Mercury 29.79 29.62 29.62 29.677

Average Stack Gas Temperature, °F 91.42 78.08 72.00 80.500

Average Velocity Head, inches of H2O 6.4073045061

7049E-02

6.161316860

66885E-02

6.3247736437

3683E-02

0.063

Average Stack Gas Velocity, feet/second 14.60 14.18 14.29 14.357

Stack Cross-Sectional Area, square feet 1.069 1.069 1.069 1.069

Dry Volumetric Flow Rate, dry scfm 882.2 873.2 889.2 881.533

Actual Wet Volumetric Flue Gas Flow Rate, acfm 936.4 909.5 916.6 920.833

Percent Isokinetic of Sampling Rate, % 99.6 99.8 99.9 99.767

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 14 14 14

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 23 of 53
Century Aluminum - ICR Testing

5/28/2013

Location Line 4 Downcomer-B - Method 315

Average

Run Number 1 2 3

Test Date 3/13/2013 3/13/2013 3/14/2013

Run Start Time 7:15:00 PM 12:00:00 AM 12:45:00 AM

Run Finish Time 9:45:00 PM 11:45:00 PM 3:15:00 AM

Net Traversing Points 11 11 11

Net Run Time, minutes 150 150 150

Nozzle Diameter, inches 0.43 0.43 0.43 0.430

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.0062 1.0062 1.0062 1.006

Barometric Pressure, inches of Mercury 29.85 29.85 29.85 29.850

Average Orifice Meter Differential, inches H2O 1.67 1.57 1.60 1.613

Dry Gas Meter Volume Sampled, cubic feet 106.391 103.387 104.387 104.722

Average Dry Gas Meter Temperature, °F 45.45 53.75 54.75 51.317

Dry Gas Meter Volume Sampled, dscf 112.03 107.08 107.91 109.007

Total Moisture Liquid collected, g 6.5 6.8 7.2 6.833

Volume of Water Vapor, standard cubic feet 0.31 0.32 0.34 0.323

Moisture Content of Stack Gas, % 0.28 0.30 0.31 0.297

Moisture Saturation at Stack Gas Temperature, % 0.75 0.74 0.77 0.753

Dry Mole Fraction 0.9972 0.997 0.9969 0.997

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.81 28.81 28.81 28.810

Flue Gas Static Pressure, inches of H2O -0.3 -0.3 -0.3 -0.300

Absolute Flue Gas Pressure, inches of Mercury 29.83 29.83 29.83 29.830

Average Stack Gas Temperature, °F 37.30 37.00 38.10 37.467

Average Velocity Head, inches of H2O 4.5978932768

8082E-02

4.246320343

55964E-02

0.0434690908

85901

0.044

Average Stack Gas Velocity, feet/second 11.71 11.25 11.40 11.453

Stack Cross-Sectional Area, square feet 1.069 1.069 1.069 1.069

Dry Volumetric Flow Rate, dry scfm 792.8 762.0 770.4 775.067

Actual Wet Volumetric Flue Gas Flow Rate, acfm 751.1 721.6 731.2 734.633

Percent Isokinetic of Sampling Rate, % 99.9 99.3 99.0 99.400

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 14 14 14

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 24 of 53
Century Aluminum - ICR Testing

5/28/2013

Location Line 4 Stack - Method 29

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/12/2013

Run Start Time 8:30:00 AM 12:10:00 PM 3:50:00 PM

Run Finish Time 12:15:00 PM 3:50:00 PM 7:40:00 PM

Net Traversing Points 12 12 12

Net Run Time, minutes 240 240 240

Nozzle Diameter, inches 0.23 0.23 0.23 0.230

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 0.9968 0.9968 0.9968 0.997

Barometric Pressure, inches of Mercury 29.25 29.27 29.24 29.253

Average Orifice Meter Differential, inches H2O 1.71 1.73 1.75 1.730

Dry Gas Meter Volume Sampled, cubic feet 160.247 168.572 160.623 163.147

Average Dry Gas Meter Temperature, °F 59.17 63.50 60.58 61.083

Dry Gas Meter Volume Sampled, dscf 159.50 166.52 159.40 161.807

Total Moisture Liquid collected, g 78.8 109.9 118.7 102.467

Volume of Water Vapor, standard cubic feet 3.71 5.17 5.59 4.823

Moisture Content of Stack Gas, % 2.27 3.01 3.39 2.890

Moisture Saturation at Stack Gas Temperature, % 3.19 3.41 3.43 3.343

Dry Mole Fraction 0.9773 0.9699 0.9661 0.971

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.59 28.51 28.47 28.523

Flue Gas Static Pressure, inches of H2O 0.55 0.53 0.56 0.547

Absolute Flue Gas Pressure, inches of Mercury 29.29 29.31 29.28 29.293

Average Stack Gas Temperature, °F 76.92 79.00 79.17 78.363

Average Velocity Head, inches of H2O 0.5984104119

59839

0.599281687

945134

0.6197981368

7384

0.606

Average Stack Gas Velocity, feet/second 44.48 44.65 45.47 44.867

Stack Cross-Sectional Area, square feet 530.078 530.078 530.078 530.078

Dry Volumetric Flow Rate, dry scfm 1,330,962.5 1,321,718.1 1,338,923.5 1,330,534.7

00

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,414,672.2 1,420,079.0 1,446,158.8 1,426,970.0

00

Percent Isokinetic of Sampling Rate, % 91.7 96.4 91.1 93.067

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 311.75 311.75 311.75

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 25 of 53
Century Aluminum - ICR Testing

5/28/2013

Location Line 4 Stack - Method 315

Average

Run Number 1 2 3

Test Date 3/13/2013 3/13/2013 3/13/2013

Run Start Time 9:05:00 AM 12:20:00 PM 3:35:00 PM

Run Finish Time 12:05:00 PM 3:20:00 PM 6:35:00 PM

Net Traversing Points 12 12 12

Net Run Time, minutes 180 180 180

Nozzle Diameter, inches 0.23 0.23 0.23 0.230

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 0.9968 0.9968 0.9968 0.997

Barometric Pressure, inches of Mercury 29.65 29.61 29.65 29.637

Average Orifice Meter Differential, inches H2O 1.75 1.76 1.72 1.743

Dry Gas Meter Volume Sampled, cubic feet 132.835 130.225 128.174 130.411

Average Dry Gas Meter Temperature, °F 44.88 51.50 49.17 48.517

Dry Gas Meter Volume Sampled, dscf 137.82 133.19 131.86 134.290

Total Moisture Liquid collected, g 76.7 71.5 83.499999999

9999

77.233

Volume of Water Vapor, standard cubic feet 3.61 3.36 3.93 3.633

Moisture Content of Stack Gas, % 2.55 2.46 2.89 2.633

Moisture Saturation at Stack Gas Temperature, % 2.83 2.95 2.92 2.900

Dry Mole Fraction 0.9745 0.9754 0.9711 0.974

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.56 28.57 28.53 28.553

Flue Gas Static Pressure, inches of H2O 0.56 0.56 0.53 0.550

Absolute Flue Gas Pressure, inches of Mercury 29.69 29.65 29.69 29.677

Average Stack Gas Temperature, °F 73.75 74.92 74.67 74.447

Average Velocity Head, inches of H2O 0.6450726075

54976

0.642176507

917585

0.6276759500

51147

0.638

Average Stack Gas Velocity, feet/second 45.76 45.73 45.20 45.563

Stack Cross-Sectional Area, square feet 530.078 530.078 530.078 530.078

Dry Volumetric Flow Rate, dry scfm 1,392,206.1 1,387,660.3 1,368,012.7 1,382,626.3

67

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,455,382.2 1,454,428.0 1,437,571.5 1,449,127.2

33

Percent Isokinetic of Sampling Rate, % 101.0 98.0 98.4 99.133

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 311.75 311.75 311.75

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 26 of 53
Century Aluminum - ICR Testing

5/28/2013

Location Line 4 Stack-B - Method 315

Average

Run Number 1 3 5

Test Date 3/14/2013 3/14/2013 3/14/2013

Run Start Time 8:00:00 AM 2:30:00 PM 11:15:00 AM

Run Finish Time 11:00:00 AM 5:30:00 PM 2:15:00 PM

Net Traversing Points 12 12 12

Net Run Time, minutes 180 180 180

Nozzle Diameter, inches 0.23 0.23 0.23 0.230

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 0.9968 0.9968 0.9968 0.997

Barometric Pressure, inches of Mercury 29.61 29.6 29.59 29.600

Average Orifice Meter Differential, inches H2O 1.73 1.79 1.70 1.740

Dry Gas Meter Volume Sampled, cubic feet 128.563 131.567 128.297 129.476

Average Dry Gas Meter Temperature, °F 47.83 53.96 51.71 51.167

Dry Gas Meter Volume Sampled, dscf 132.43 133.88 131.06 132.457

Total Moisture Liquid collected, g 81.9 66.1 71.9 73.300

Volume of Water Vapor, standard cubic feet 3.85 3.11 3.38 3.447

Moisture Content of Stack Gas, % 2.83 2.27 2.51 2.537

Moisture Saturation at Stack Gas Temperature, % 2.80 3.07 3.06 2.977

Dry Mole Fraction 0.972 0.9773 0.9749 0.975

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.54 28.59 28.57 28.567

Flue Gas Static Pressure, inches of H2O 0.52 0.54 0.54 0.533

Absolute Flue Gas Pressure, inches of Mercury 29.65 29.64 29.63 29.640

Average Stack Gas Temperature, °F 73.42 76.17 76.08 75.223

Average Velocity Head, inches of H2O 0.6312786209

00213

0.651195189

018393

0.6216350591

45932

0.635

Average Stack Gas Velocity, feet/second 45.30 46.10 45.06 45.487

Stack Cross-Sectional Area, square feet 530.078 530.078 530.078 530.078

Dry Volumetric Flow Rate, dry scfm 1,373,672.6 1,397,873.5 1,362,751.5 1,378,099.2

00

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,440,752.0 1,466,195.7 1,433,118.9 1,446,688.8

67

Percent Isokinetic of Sampling Rate, % 98.4 97.8 98.2 98.133

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 311.75 311.75 311.75

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 27 of 53
Century Aluminum - ICR Testing

5/28/2013

Included Attachments:

Page 28 of 53
5/28/2013

Facility Information:

Contact:

Phone:

Fax:

Email:

Testing Company:

Contact:

Phone:

Fax:

Email:

Air Permit Number:

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

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

 process flow diagram:

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.

Industry/SCC/NAIS

Sampling Location Information:

Test Parameter Information:

AFS #: FRS #:

SCC / Description

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

Permitted Source ID/Name:

Page 29 of 53
5/28/2013

Sampling / Stack Data Results Summary

Location Line 4 Downcomer - Method 17

Average

Run Number 1 2 3

Test Date 5/7/2013 5/7/2013 5/8/2013

Run Start Time 5:30:00 PM 12:05:00 

AM

2:00:00 AM

Run Finish Time 9:10:00 PM 11:45:00 

PM

5:40:00 AM

Net Run Time, minutes 240 240 240

Dry Gas Meter Volume Sampled, dscf 166.15 163.90 167.10 165.717

Moisture Content of Stack Gas, % 1.49 1.41 1.54 1.480

Moisture Saturation at Stack Gas Temperature, % 3.77 2.91 2.45 3.043

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 82.58 74.67 69.58 75.610

Dry Volumetric Flow Rate, dry scfm 892.0 881.1 896.8 889.967

Actual Wet Volumetric Flue Gas Flow Rate, acfm 935.2 910.8 918.5 921.500

Percent Isokinetic of Sampling Rate, % 100.0 99.9 100.0 99.967

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 30 of 53
5/28/2013

Location Line 4 Downcomer - Method 29

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/13/2013

Run Start Time 7:00:00 PM 2:20:00 

AM

2:40:00 AM

Run Finish Time 10:30:00 PM 1/1/1900 

2:10:00 

AM

6:10:00 AM

Net Run Time, minutes 220 220 220

Dry Gas Meter Volume Sampled, dscf 148.99 147.14 151.32 149.150

Moisture Content of Stack Gas, % 0.35 0.35 0.38 0.360

Moisture Saturation at Stack Gas Temperature, % 1.33 1.21 0.96 1.167

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 52.45 49.82 43.82 48.697

Dry Volumetric Flow Rate, dry scfm 757.0 751.0 771.0 759.667

Actual Wet Volumetric Flue Gas Flow Rate, acfm 738.3 728.6 739.5 735.467

Percent Isokinetic of Sampling Rate, % 94.8 94.4 94.6 94.600

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 31 of 53
5/28/2013

Location Line 4 Downcomer - Method 315

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/13/2013

Run Start Time 7:00:00 PM 12:24:00 

AM

12:45:00 AM

Run Finish Time 9:30:00 PM 1/1/1900 

12:05:00 

AM

3:15:00 AM

Net Run Time, minutes 150 150 150

Dry Gas Meter Volume Sampled, dscf 109.12 107.68 109.19 108.663

Moisture Content of Stack Gas, % 0.35 0.33 0.29 0.323

Moisture Saturation at Stack Gas Temperature, % 1.34 1.21 1.16 1.237

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 52.60 49.90 48.70 50.400

Dry Volumetric Flow Rate, dry scfm 764.0 753.0 771.6 762.867

Actual Wet Volumetric Flue Gas Flow Rate, acfm 745.3 730.6 746.6 740.833

Percent Isokinetic of Sampling Rate, % 100.9 101.1 100.0 100.667

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 32 of 53
5/28/2013

Location Line 4 Downcomer-B - Method 17

Average

Run Number 4 5 6

Test Date 5/8/2013 5/8/2013 5/9/2013

Run Start Time 4:45:00 PM 12:00:00 

AM

1:15:00 AM

Run Finish Time 8:25:00 PM 11:40:00 

PM

4:35:00 AM

Net Run Time, minutes 240 240 240

Dry Gas Meter Volume Sampled, dscf 163.72 162.29 165.50 163.837

Moisture Content of Stack Gas, % 1.18 1.17 1.26 1.203

Moisture Saturation at Stack Gas Temperature, % 4.99 3.27 2.67 3.643

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 91.42 78.08 72.00 80.500

Dry Volumetric Flow Rate, dry scfm 882.2 873.2 889.2 881.533

Actual Wet Volumetric Flue Gas Flow Rate, acfm 936.4 909.5 916.6 920.833

Percent Isokinetic of Sampling Rate, % 99.6 99.8 99.9 99.767

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 33 of 53
5/28/2013

Location Line 4 Downcomer-B - Method 315

Average

Run Number 1 2 3

Test Date 3/13/2013 3/13/2013 3/14/2013

Run Start Time 7:15:00 PM 12:00:00 

AM

12:45:00 AM

Run Finish Time 9:45:00 PM 11:45:00 

PM

3:15:00 AM

Net Run Time, minutes 150 150 150

Dry Gas Meter Volume Sampled, dscf 112.03 107.08 107.91 109.007

Moisture Content of Stack Gas, % 0.28 0.30 0.31 0.297

Moisture Saturation at Stack Gas Temperature, % 0.75 0.74 0.77 0.753

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 37.30 37.00 38.10 37.467

Dry Volumetric Flow Rate, dry scfm 792.8 762.0 770.4 775.067

Actual Wet Volumetric Flue Gas Flow Rate, acfm 751.1 721.6 731.2 734.633

Percent Isokinetic of Sampling Rate, % 99.9 99.3 99.0 99.400

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 34 of 53
5/28/2013

Location Line 4 Stack - Method 29

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/12/2013

Run Start Time 8:30:00 AM 12:10:00 

PM

3:50:00 PM

Run Finish Time 12:15:00 PM 3:50:00 PM 7:40:00 PM

Net Run Time, minutes 240 240 240

Dry Gas Meter Volume Sampled, dscf 159.50 166.52 159.40 161.807

Moisture Content of Stack Gas, % 2.27 3.01 3.39 2.890

Moisture Saturation at Stack Gas Temperature, % 3.19 3.41 3.43 3.343

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 76.92 79.00 79.17 78.363

Dry Volumetric Flow Rate, dry scfm 1,330,962.5 1,321,718.1 1,338,923.5 1,330,534.70

0

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,414,672.2 1,420,079.0 1,446,158.8 1,426,970.00

0

Percent Isokinetic of Sampling Rate, % 91.7 96.4 91.1 93.067

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 35 of 53
5/28/2013

Location Line 4 Stack - Method 315

Average

Run Number 1 2 3

Test Date 3/13/2013 3/13/2013 3/13/2013

Run Start Time 9:05:00 AM 12:20:00 

PM

3:35:00 PM

Run Finish Time 12:05:00 PM 3:20:00 PM 6:35:00 PM

Net Run Time, minutes 180 180 180

Dry Gas Meter Volume Sampled, dscf 137.82 133.19 131.86 134.290

Moisture Content of Stack Gas, % 2.55 2.46 2.89 2.633

Moisture Saturation at Stack Gas Temperature, % 2.83 2.95 2.92 2.900

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 73.75 74.92 74.67 74.447

Dry Volumetric Flow Rate, dry scfm 1,392,206.1 1,387,660.3 1,368,012.7 1,382,626.36

7

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,455,382.2 1,454,428.0 1,437,571.5 1,449,127.23

3

Percent Isokinetic of Sampling Rate, % 101.0 98.0 98.4 99.133

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 36 of 53
5/28/2013

Location Line 4 Stack-B - Method 315

Average

Run Number 1 3 5

Test Date 3/14/2013 3/14/2013 3/14/2013

Run Start Time 8:00:00 AM 2:30:00 PM 11:15:00 AM

Run Finish Time 11:00:00 AM 5:30:00 PM 2:15:00 PM

Net Run Time, minutes 180 180 180

Dry Gas Meter Volume Sampled, dscf 132.43 133.88 131.06 132.457

Moisture Content of Stack Gas, % 2.83 2.27 2.51 2.537

Moisture Saturation at Stack Gas Temperature, % 2.80 3.07 3.06 2.977

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Average Stack Gas Temperature, °F 73.42 76.17 76.08 75.223

Dry Volumetric Flow Rate, dry scfm 1,373,672.6 1,397,873.5 1,362,751.5 1,378,099.20

0

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,440,752.0 1,466,195.7 1,433,118.9 1,446,688.86

7

Percent Isokinetic of Sampling Rate, % 98.4 97.8 98.2 98.133

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 37 of 53
5/28/2013

Emissions Summary

Location: Line 4 Downcomer - Method 17

Compound: Filterable Particulate

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 22.928 13.498 16.685 1.77E+01

Elb/hr 1.63E-02 9.60E-03 1.18E-02 1.26E-02

gr/dscf 2.13E-03 1.27E-03 1.54E-03 1.65E-03

Location: Line 4 Downcomer - Method 29

Compound: Antimony

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.0002 0.000387 0.000355 3.14E-04

Elb/hr 1.34E-07 2.61E-07 2.39E-07 2.11E-07

gr/dscf 2.07E-08 4.06E-08 3.62E-08 3.25E-08

mg/dscm 4.74E-05 9.29E-05 8.29E-05 7.44E-05

Compound: Arsenic

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.000569 0.000529 0.000681 5.93E-04

Elb/hr 3.82E-07 3.57E-07 4.59E-07 3.99E-07

gr/dscf 5.89E-08 5.55E-08 6.95E-08 6.13E-08

mg/dscm 1.35E-04 1.27E-04 1.59E-04 1.40E-04

Compound: Beryllium

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.000804 0.000742 0.00102 8.55E-04

Elb/hr 5.40E-07 5.01E-07 6.87E-07 5.76E-07

gr/dscf 8.33E-08 7.78E-08 1.04E-07 8.84E-08

mg/dscm 1.91E-04 1.78E-04 2.38E-04 2.02E-04

Compound: Cadmium

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.000242 0.000232 0.000338 2.71E-04

Elb/hr 1.63E-07 1.57E-07 2.28E-07 1.83E-07

gr/dscf 2.51E-08 2.43E-08 3.45E-08 2.80E-08

mg/dscm 5.74E-05 5.57E-05 7.89E-05 6.40E-05

Compound: Chromium

Average

ProcRunID

Page 38 of 53
5/28/2013

RunNumber 1 2 3

Mass_mg 0.0049 0.00531 0.00869 6.30E-03

Elb/hr 3.29E-06 3.59E-06 5.86E-06 4.25E-06

gr/dscf 5.08E-07 5.57E-07 8.86E-07 6.50E-07

mg/dscm 1.16E-03 1.27E-03 2.03E-03 1.49E-03

Compound: Cobalt

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.00197 0.0013 0.0011 1.46E-03

Elb/hr 1.32E-06 8.78E-07 7.41E-07 9.80E-07

gr/dscf 2.04E-07 1.36E-07 1.12E-07 1.51E-07

mg/dscm 4.67E-04 3.12E-04 2.57E-04 3.45E-04

Compound: Lead

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.00332 0.00378 0.00533 4.14E-03

Elb/hr 2.23E-06 2.55E-06 3.59E-06 2.79E-06

gr/dscf 3.44E-07 3.96E-07 5.44E-07 4.28E-07

mg/dscm 7.87E-04 9.07E-04 1.24E-03 9.78E-04

Compound: Manganese

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.0347 0.0165 0.0118 2.10E-02

Elb/hr 2.33E-05 1.11E-05 7.95E-06 1.41E-05

gr/dscf 3.59E-06 1.73E-06 1.20E-06 2.17E-06

mg/dscm 8.23E-03 3.96E-03 2.75E-03 4.98E-03

Compound: Mercury

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.0005 0.0005 0.0005 5.00E-04

Elb/hr 3.36E-07 3.38E-07 3.37E-07 3.37E-07

gr/dscf 5.18E-08 5.24E-08 5.10E-08 5.17E-08

mg/dscm 1.19E-04 1.20E-04 1.17E-04 1.19E-04

Compound: Nickel

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.0965 0.0556 0.044 6.54E-02

Elb/hr 6.49E-05 3.75E-05 2.97E-05 4.40E-05

gr/dscf 1.00E-05 5.83E-06 4.49E-06 6.77E-06

mg/dscm 2.29E-02 1.33E-02 1.03E-02 1.55E-02

Page 39 of 53
5/28/2013

Compound: Selenium

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 0.000269 0.000329 0.0002 2.66E-04

Elb/hr 1.81E-07 2.22E-07 1.35E-07 1.79E-07

gr/dscf 2.79E-08 3.45E-08 2.04E-08 2.76E-08

mg/dscm 6.38E-05 7.90E-05 4.67E-05 6.32E-05

Location: Line 4 Downcomer - Method 315

Compound: Methylene Chloride Extractable Mat

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 3 3.4 2 2.80E+00

Elb/hr 2.78E-03 3.15E-03 1.87E-03 2.60E-03

gr/dscf 4.24E-04 4.87E-04 2.83E-04 3.98E-04

mg/dscm 9.71E-01 1.12E+00 6.47E-01 9.13E-01

Compound: Particulate Matter (PM)

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 10.7 8.4 8.1 9.07E+00

Elb/hr 9.91E-03 7.77E-03 7.57E-03 8.42E-03

gr/dscf 1.51E-03 1.20E-03 1.14E-03 1.28E-03

mg/dscm 3.46E+00 2.76E+00 2.62E+00 2.95E+00

Location: Line 4 Downcomer-B - Method 17

Compound: Filterable Particulate

Average

ProcRunID

RunNumber 4 5 6

Mass_mg 9.709 5.615 16.461 1.06E+01

Elb/hr 6.92E-03 4.00E-03 1.17E-02 7.54E-03

gr/dscf 9.15E-04 5.34E-04 1.53E-03 9.93E-04

Location: Line 4 Downcomer-B - Method 315

Compound: Methylene Chloride Extractable Mat

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 3.2 1.4 1.7 2.10E+00

Elb/hr 3.00E-03 1.32E-03 1.61E-03 1.98E-03

gr/dscf 4.41E-04 2.02E-04 2.43E-04 2.95E-04

mg/dscm 1.01E+00 4.62E-01 5.56E-01 6.76E-01

Compound: Particulate Matter (PM)

Average

ProcRunID

Page 40 of 53
5/28/2013

RunNumber 1 2 3

Mass_mg 6.8 7.7 10 8.17E+00

Elb/hr 6.37E-03 7.25E-03 9.44E-03 7.69E-03

gr/dscf 9.37E-04 1.11E-03 1.43E-03 1.16E-03

mg/dscm 2.14E+00 2.54E+00 3.27E+00 2.65E+00

Location: Line 4 Stack - Method 29

Compound: Antimony

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.00216 0.000894 0.000949 1.33E-03

Elb/hr 2.38E-03 9.39E-04 1.05E-03 1.46E-03

gr/dscf 2.09E-07 8.29E-08 9.19E-08 1.28E-07

mg/dscm 4.78E-04 1.90E-04 2.10E-04 2.93E-04

Compound: Arsenic

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.00433 0.00494 0.00419 4.49E-03

Elb/hr 4.78E-03 5.19E-03 4.66E-03 4.88E-03

gr/dscf 4.19E-07 4.58E-07 4.06E-07 4.28E-07

mg/dscm 9.59E-04 1.05E-03 9.28E-04 9.79E-04

Compound: Beryllium

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.00684 0.00736 0.00551 6.57E-03

Elb/hr 7.55E-03 7.73E-03 6.12E-03 7.13E-03

gr/dscf 6.62E-07 6.82E-07 5.33E-07 6.26E-07

mg/dscm 1.51E-03 1.56E-03 1.22E-03 1.43E-03

Compound: Cadmium

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.00167 0.00172 0.00106 1.48E-03

Elb/hr 1.84E-03 1.81E-03 1.18E-03 1.61E-03

gr/dscf 1.62E-07 1.59E-07 1.03E-07 1.41E-07

mg/dscm 3.70E-04 3.65E-04 2.35E-04 3.23E-04

Compound: Chromium

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.0122 0.0149 0.0048 1.06E-02

Elb/hr 1.35E-02 1.56E-02 5.33E-03 1.15E-02

gr/dscf 1.18E-06 1.38E-06 4.65E-07 1.01E-06

mg/dscm 2.70E-03 3.16E-03 1.06E-03 2.31E-03

Page 41 of 53
5/28/2013

Compound: Cobalt

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.00182 0.00157 0.000849 1.41E-03

Elb/hr 2.01E-03 1.65E-03 9.43E-04 1.53E-03

gr/dscf 1.76E-07 1.46E-07 8.22E-08 1.35E-07

mg/dscm 4.03E-04 3.33E-04 1.88E-04 3.08E-04

Compound: Lead

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.0221 0.0241 0.0203 2.22E-02

Elb/hr 2.44E-02 2.53E-02 2.26E-02 2.41E-02

gr/dscf 2.14E-06 2.23E-06 1.97E-06 2.11E-06

mg/dscm 4.89E-03 5.11E-03 4.50E-03 4.83E-03

Compound: Magnesium

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.0144 0.0127 0.00971 1.23E-02

Elb/hr 1.59E-02 1.33E-02 1.08E-02 1.33E-02

gr/dscf 1.39E-06 1.18E-06 9.40E-07 1.17E-06

mg/dscm 3.19E-03 2.69E-03 2.15E-03 2.68E-03

Compound: Mercury

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.0005 0.0006 0.000706 6.02E-04

Elb/hr 5.52E-04 6.30E-04 7.84E-04 6.55E-04

gr/dscf 4.84E-08 5.56E-08 6.84E-08 5.75E-08

mg/dscm 1.11E-04 1.27E-04 1.56E-04 1.31E-04

Compound: Nickel

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.0691 0.0418 0.0241 4.50E-02

Elb/hr 7.63E-02 4.39E-02 2.68E-02 4.90E-02

gr/dscf 6.69E-06 3.87E-06 2.33E-06 4.30E-06

mg/dscm 1.53E-02 8.87E-03 5.34E-03 9.84E-03

Compound: Selenium

Average

ProcRunID 1

RunNumber 1 2 3

Mass_mg 0.000683 0.000707 0.00177 1.05E-03

Elb/hr 7.54E-04 7.42E-04 1.97E-03 1.16E-03

gr/dscf 6.61E-08 6.55E-08 1.71E-07 1.01E-07

Page 42 of 53
5/28/2013

mg/dscm 1.51E-04 1.50E-04 3.92E-04 2.31E-04

Location: Line 4 Stack - Method 315

Compound: Methylene Chloride Extractable Mat

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 4.1 2.8 2.1 3.00E+00

Elb/hr 5.48E+00 3.86E+00 2.88E+00 4.07E+00

gr/dscf 4.59E-04 3.24E-04 2.46E-04 3.43E-04

mg/dscm 1.05E+00 7.43E-01 5.63E-01 7.85E-01

Compound: Particulate Matter (PM)

Average

ProcRunID

RunNumber 1 2 3

Mass_mg 93.3 86.2 157.3 1.12E+02

Elb/hr 1.25E+02 1.19E+02 2.16E+02 1.53E+02

gr/dscf 1.04E-02 9.99E-03 1.84E-02 1.29E-02

mg/dscm 2.39E+01 2.29E+01 4.21E+01 2.96E+01

Location: Line 4 Stack-B - Method 315

Compound: Methylene Chloride Extractable Mat

Average

ProcRunID

RunNumber 1 5 3

Mass_mg 4.5 1.1 2.9 2.83E+00

Elb/hr 6.17E+00 1.51E+00 4.01E+00 3.90E+00

gr/dscf 5.24E-04 1.30E-04 3.34E-04 3.29E-04

mg/dscm 1.20E+00 2.96E-01 7.65E-01 7.54E-01

Compound: Particulate Matter (PM)

Average

ProcRunID

RunNumber 1 5 3

Mass_mg 113.2 123.1 199.2 1.45E+02

Elb/hr 1.55E+02 1.69E+02 2.75E+02 2.00E+02

gr/dscf 1.32E-02 1.45E-02 2.30E-02 1.69E-02

mg/dscm 3.02E+01 3.32E+01 5.26E+01 3.87E+01

Page 43 of 53
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Process Run Data

APCD Run Data

Process Lab Run Data

Run Name Value UOM Comments

Target

Value

1 Aluminum Produced 24.15 Tons/hr 0

Run Name Value UOM Comments

Target

Value

1 ELECTROSTATIC PRECIPITATOR - HIGH 

EFFICIENCY

0 0

Page 44 of 53
5/28/2013

Sampling / Stack Data Results Detail

Location Line 4 Downcomer - Method 17

Average

Run Number 1 2 3

Test Date 5/7/2013 5/7/2013 5/8/2013

Run Start Time 5:30:00 PM 12:05:00 AM 2:00:00 AM

Run Finish Time 9:10:00 PM 11:45:00 PM 5:40:00 AM

Net Traversing Points 12 84 108

Net Run Time, minutes 240 240 240

Nozzle Diameter, inches 0.39 0.39 0.39 0.390

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.0062 1.0062 1.0062 1.006

Barometric Pressure, inches of Mercury 29.77 29.73 29.76 29.753

Average Orifice Meter Differential, inches H2O 1.58 1.53 1.58 1.563

Dry Gas Meter Volume Sampled, cubic feet 170.948 167.624 169.858 169.477

Average Dry Gas Meter Temperature, °F 86.00 81.92 79.25 82.390

Dry Gas Meter Volume Sampled, dscf 166.15 163.90 167.10 165.717

Total Moisture Liquid collected, g 53.4 49.9 55.5 52.933

Volume of Water Vapor, standard cubic feet 2.51 2.35 2.61 2.490

Moisture Content of Stack Gas, % 1.49 1.41 1.54 1.480

Moisture Saturation at Stack Gas Temperature, % 3.77 2.91 2.45 3.043

Dry Mole Fraction 0.9851 0.9859 0.9846 0.985

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.68 28.69 28.67 28.680

Flue Gas Static Pressure, inches of H2O -0.04 -0.04 -0.04 -0.040

Absolute Flue Gas Pressure, inches of Mercury 29.77 29.73 29.76 29.753

Average Stack Gas Temperature, °F 82.58 74.67 69.58 75.610

Average Velocity Head, inches of H2O 6.4903703492

0393E-02

6.235633857

12751E-02

0.0640730450

61705

0.064

Average Stack Gas Velocity, feet/second 14.58 14.20 14.32 14.367

Stack Cross-Sectional Area, square feet 1.069 1.069 1.069 1.069

Dry Volumetric Flow Rate, dry scfm 892.0 881.1 896.8 889.967

Actual Wet Volumetric Flue Gas Flow Rate, acfm 935.2 910.8 918.5 921.500

Percent Isokinetic of Sampling Rate, % 100.0 99.9 100.0 99.967

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 14 14 14

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 45 of 53
5/28/2013

Location Line 4 Downcomer - Method 29

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/13/2013

Run Start Time 7:00:00 PM 2:20:00 AM 2:40:00 AM

Run Finish Time 10:30:00 PM 1/1/1900 

2:10:00 AM

6:10:00 AM

Net Traversing Points 12 12 12

Net Run Time, minutes 220 220 220

Nozzle Diameter, inches 0.43 0.43 0.43 0.430

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.0102 1.0102 1.0102 1.010

Barometric Pressure, inches of Mercury 29.9 29.9 29.9 29.900

Average Orifice Meter Differential, inches H2O 1.66 1.63 1.71 1.667

Dry Gas Meter Volume Sampled, cubic feet 145.992 144.172 147.052 145.739

Average Dry Gas Meter Temperature, °F 64.45 64.36 60.18 62.997

Dry Gas Meter Volume Sampled, dscf 148.99 147.14 151.32 149.150

Total Moisture Liquid collected, g 11.2 10.9 12.1 11.400

Volume of Water Vapor, standard cubic feet 0.53 0.51 0.57 0.537

Moisture Content of Stack Gas, % 0.35 0.35 0.38 0.360

Moisture Saturation at Stack Gas Temperature, % 1.33 1.21 0.96 1.167

Dry Mole Fraction 0.9965 0.9965 0.9962 0.996

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.80 28.80 28.80 28.800

Flue Gas Static Pressure, inches of H2O -0.32 -0.32 -0.32 -0.320

Absolute Flue Gas Pressure, inches of Mercury 29.88 29.88 29.88 29.880

Average Stack Gas Temperature, °F 52.45 49.82 43.82 48.697

Average Velocity Head, inches of H2O 0.0431477585

51957

4.223623481

21617E-02

4.4069013614

5698E-02

0.043

Average Stack Gas Velocity, feet/second 11.51 11.36 11.53 11.467

Stack Cross-Sectional Area, square feet 1.069 1.069 1.069 1.069

Dry Volumetric Flow Rate, dry scfm 757.0 751.0 771.0 759.667

Actual Wet Volumetric Flue Gas Flow Rate, acfm 738.3 728.6 739.5 735.467

Percent Isokinetic of Sampling Rate, % 94.8 94.4 94.6 94.600

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 14 14 14

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 46 of 53
5/28/2013

Location Line 4 Downcomer - Method 315

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/13/2013

Run Start Time 7:00:00 PM 12:24:00 AM 12:45:00 AM

Run Finish Time 9:30:00 PM 1/1/1900 

12:05:00 AM

3:15:00 AM

Net Traversing Points 11 11 11

Net Run Time, minutes 150 150 150

Nozzle Diameter, inches 0.43 0.43 0.43 0.430

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.0062 1.0062 1.0062 1.006

Barometric Pressure, inches of Mercury 29.9 29.9 29.9 29.900

Average Orifice Meter Differential, inches H2O 1.61 1.56 1.63 1.600

Dry Gas Meter Volume Sampled, cubic feet 107.263 106.232 107.153 106.883

Average Dry Gas Meter Temperature, °F 63.95 65.80 63.10 64.283

Dry Gas Meter Volume Sampled, dscf 109.12 107.68 109.19 108.663

Total Moisture Liquid collected, g 8 7.7 6.7 7.467

Volume of Water Vapor, standard cubic feet 0.38 0.36 0.32 0.353

Moisture Content of Stack Gas, % 0.35 0.33 0.29 0.323

Moisture Saturation at Stack Gas Temperature, % 1.34 1.21 1.16 1.237

Dry Mole Fraction 0.9965 0.9967 0.9971 0.997

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.80 28.80 28.81 28.803

Flue Gas Static Pressure, inches of H2O -0.32 -0.32 -0.32 -0.320

Absolute Flue Gas Pressure, inches of Mercury 29.88 29.88 29.88 29.880

Average Stack Gas Temperature, °F 52.60 49.90 48.70 50.400

Average Velocity Head, inches of H2O 4.3976450198

7817E-02

4.246320343

55964E-02

4.4486753236

8147E-02

0.044

Average Stack Gas Velocity, feet/second 11.62 11.39 11.64 11.550

Stack Cross-Sectional Area, square feet 1.069 1.069 1.069 1.069

Dry Volumetric Flow Rate, dry scfm 764.0 753.0 771.6 762.867

Actual Wet Volumetric Flue Gas Flow Rate, acfm 745.3 730.6 746.6 740.833

Percent Isokinetic of Sampling Rate, % 100.9 101.1 100.0 100.667

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 14 14 14

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 47 of 53
5/28/2013

Location Line 4 Downcomer-B - Method 17

Average

Run Number 4 5 6

Test Date 5/8/2013 5/8/2013 5/9/2013

Run Start Time 4:45:00 PM 12:00:00 AM 1:15:00 AM

Run Finish Time 8:25:00 PM 11:40:00 PM 4:35:00 AM

Net Traversing Points 12 12 12

Net Run Time, minutes 240 240 240

Nozzle Diameter, inches 0.39 0.39 0.39 0.390

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.0062 1.0062 1.0062 1.006

Barometric Pressure, inches of Mercury 29.79 29.62 29.62 29.677

Average Orifice Meter Differential, inches H2O 1.54 1.52 1.57 1.543

Dry Gas Meter Volume Sampled, cubic feet 169.182 169.094 171.280 169.852

Average Dry Gas Meter Temperature, °F 88.67 90.04 86.42 88.377

Dry Gas Meter Volume Sampled, dscf 163.72 162.29 165.50 163.837

Total Moisture Liquid collected, g 41.4 40.7 45.1 42.400

Volume of Water Vapor, standard cubic feet 1.95 1.92 2.12 1.997

Moisture Content of Stack Gas, % 1.18 1.17 1.26 1.203

Moisture Saturation at Stack Gas Temperature, % 4.99 3.27 2.67 3.643

Dry Mole Fraction 0.9882 0.9883 0.9874 0.988

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.71 28.71 28.70 28.707

Flue Gas Static Pressure, inches of H2O -0.04 -0.04 -0.04 -0.040

Absolute Flue Gas Pressure, inches of Mercury 29.79 29.62 29.62 29.677

Average Stack Gas Temperature, °F 91.42 78.08 72.00 80.500

Average Velocity Head, inches of H2O 6.4073045061

7049E-02

6.161316860

66885E-02

6.3247736437

3683E-02

0.063

Average Stack Gas Velocity, feet/second 14.60 14.18 14.29 14.357

Stack Cross-Sectional Area, square feet 1.069 1.069 1.069 1.069

Dry Volumetric Flow Rate, dry scfm 882.2 873.2 889.2 881.533

Actual Wet Volumetric Flue Gas Flow Rate, acfm 936.4 909.5 916.6 920.833

Percent Isokinetic of Sampling Rate, % 99.6 99.8 99.9 99.767

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 14 14 14

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 48 of 53
5/28/2013

Location Line 4 Downcomer-B - Method 315

Average

Run Number 1 2 3

Test Date 3/13/2013 3/13/2013 3/14/2013

Run Start Time 7:15:00 PM 12:00:00 AM 12:45:00 AM

Run Finish Time 9:45:00 PM 11:45:00 PM 3:15:00 AM

Net Traversing Points 11 11 11

Net Run Time, minutes 150 150 150

Nozzle Diameter, inches 0.43 0.43 0.43 0.430

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.0062 1.0062 1.0062 1.006

Barometric Pressure, inches of Mercury 29.85 29.85 29.85 29.850

Average Orifice Meter Differential, inches H2O 1.67 1.57 1.60 1.613

Dry Gas Meter Volume Sampled, cubic feet 106.391 103.387 104.387 104.722

Average Dry Gas Meter Temperature, °F 45.45 53.75 54.75 51.317

Dry Gas Meter Volume Sampled, dscf 112.03 107.08 107.91 109.007

Total Moisture Liquid collected, g 6.5 6.8 7.2 6.833

Volume of Water Vapor, standard cubic feet 0.31 0.32 0.34 0.323

Moisture Content of Stack Gas, % 0.28 0.30 0.31 0.297

Moisture Saturation at Stack Gas Temperature, % 0.75 0.74 0.77 0.753

Dry Mole Fraction 0.9972 0.997 0.9969 0.997

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.81 28.81 28.81 28.810

Flue Gas Static Pressure, inches of H2O -0.3 -0.3 -0.3 -0.300

Absolute Flue Gas Pressure, inches of Mercury 29.83 29.83 29.83 29.830

Average Stack Gas Temperature, °F 37.30 37.00 38.10 37.467

Average Velocity Head, inches of H2O 4.5978932768

8082E-02

4.246320343

55964E-02

0.0434690908

85901

0.044

Average Stack Gas Velocity, feet/second 11.71 11.25 11.40 11.453

Stack Cross-Sectional Area, square feet 1.069 1.069 1.069 1.069

Dry Volumetric Flow Rate, dry scfm 792.8 762.0 770.4 775.067

Actual Wet Volumetric Flue Gas Flow Rate, acfm 751.1 721.6 731.2 734.633

Percent Isokinetic of Sampling Rate, % 99.9 99.3 99.0 99.400

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 14 14 14

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 49 of 53
5/28/2013

Location Line 4 Stack - Method 29

Average

Run Number 1 2 3

Test Date 3/12/2013 3/12/2013 3/12/2013

Run Start Time 8:30:00 AM 12:10:00 PM 3:50:00 PM

Run Finish Time 12:15:00 PM 3:50:00 PM 7:40:00 PM

Net Traversing Points 12 12 12

Net Run Time, minutes 240 240 240

Nozzle Diameter, inches 0.23 0.23 0.23 0.230

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 0.9968 0.9968 0.9968 0.997

Barometric Pressure, inches of Mercury 29.25 29.27 29.24 29.253

Average Orifice Meter Differential, inches H2O 1.71 1.73 1.75 1.730

Dry Gas Meter Volume Sampled, cubic feet 160.247 168.572 160.623 163.147

Average Dry Gas Meter Temperature, °F 59.17 63.50 60.58 61.083

Dry Gas Meter Volume Sampled, dscf 159.50 166.52 159.40 161.807

Total Moisture Liquid collected, g 78.8 109.9 118.7 102.467

Volume of Water Vapor, standard cubic feet 3.71 5.17 5.59 4.823

Moisture Content of Stack Gas, % 2.27 3.01 3.39 2.890

Moisture Saturation at Stack Gas Temperature, % 3.19 3.41 3.43 3.343

Dry Mole Fraction 0.9773 0.9699 0.9661 0.971

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.59 28.51 28.47 28.523

Flue Gas Static Pressure, inches of H2O 0.55 0.53 0.56 0.547

Absolute Flue Gas Pressure, inches of Mercury 29.29 29.31 29.28 29.293

Average Stack Gas Temperature, °F 76.92 79.00 79.17 78.363

Average Velocity Head, inches of H2O 0.5984104119

59839

0.599281687

945134

0.6197981368

7384

0.606

Average Stack Gas Velocity, feet/second 44.48 44.65 45.47 44.867

Stack Cross-Sectional Area, square feet 530.078 530.078 530.078 530.078

Dry Volumetric Flow Rate, dry scfm 1,330,962.5 1,321,718.1 1,338,923.5 1,330,534.7

00

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,414,672.2 1,420,079.0 1,446,158.8 1,426,970.0

00

Percent Isokinetic of Sampling Rate, % 91.7 96.4 91.1 93.067

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 311.75 311.75 311.75

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 50 of 53
5/28/2013

Location Line 4 Stack - Method 315

Average

Run Number 1 2 3

Test Date 3/13/2013 3/13/2013 3/13/2013

Run Start Time 9:05:00 AM 12:20:00 PM 3:35:00 PM

Run Finish Time 12:05:00 PM 3:20:00 PM 6:35:00 PM

Net Traversing Points 12 12 12

Net Run Time, minutes 180 180 180

Nozzle Diameter, inches 0.23 0.23 0.23 0.230

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 0.9968 0.9968 0.9968 0.997

Barometric Pressure, inches of Mercury 29.65 29.61 29.65 29.637

Average Orifice Meter Differential, inches H2O 1.75 1.76 1.72 1.743

Dry Gas Meter Volume Sampled, cubic feet 132.835 130.225 128.174 130.411

Average Dry Gas Meter Temperature, °F 44.88 51.50 49.17 48.517

Dry Gas Meter Volume Sampled, dscf 137.82 133.19 131.86 134.290

Total Moisture Liquid collected, g 76.7 71.5 83.499999999

9999

77.233

Volume of Water Vapor, standard cubic feet 3.61 3.36 3.93 3.633

Moisture Content of Stack Gas, % 2.55 2.46 2.89 2.633

Moisture Saturation at Stack Gas Temperature, % 2.83 2.95 2.92 2.900

Dry Mole Fraction 0.9745 0.9754 0.9711 0.974

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.56 28.57 28.53 28.553

Flue Gas Static Pressure, inches of H2O 0.56 0.56 0.53 0.550

Absolute Flue Gas Pressure, inches of Mercury 29.69 29.65 29.69 29.677

Average Stack Gas Temperature, °F 73.75 74.92 74.67 74.447

Average Velocity Head, inches of H2O 0.6450726075

54976

0.642176507

917585

0.6276759500

51147

0.638

Average Stack Gas Velocity, feet/second 45.76 45.73 45.20 45.563

Stack Cross-Sectional Area, square feet 530.078 530.078 530.078 530.078

Dry Volumetric Flow Rate, dry scfm 1,392,206.1 1,387,660.3 1,368,012.7 1,382,626.3

67

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,455,382.2 1,454,428.0 1,437,571.5 1,449,127.2

33

Percent Isokinetic of Sampling Rate, % 101.0 98.0 98.4 99.133

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 311.75 311.75 311.75

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 51 of 53
5/28/2013

Location Line 4 Stack-B - Method 315

Average

Run Number 1 3 5

Test Date 3/14/2013 3/14/2013 3/14/2013

Run Start Time 8:00:00 AM 2:30:00 PM 11:15:00 AM

Run Finish Time 11:00:00 AM 5:30:00 PM 2:15:00 PM

Net Traversing Points 12 12 12

Net Run Time, minutes 180 180 180

Nozzle Diameter, inches 0.23 0.23 0.23 0.230

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 0.9968 0.9968 0.9968 0.997

Barometric Pressure, inches of Mercury 29.61 29.6 29.59 29.600

Average Orifice Meter Differential, inches H2O 1.73 1.79 1.70 1.740

Dry Gas Meter Volume Sampled, cubic feet 128.563 131.567 128.297 129.476

Average Dry Gas Meter Temperature, °F 47.83 53.96 51.71 51.167

Dry Gas Meter Volume Sampled, dscf 132.43 133.88 131.06 132.457

Total Moisture Liquid collected, g 81.9 66.1 71.9 73.300

Volume of Water Vapor, standard cubic feet 3.85 3.11 3.38 3.447

Moisture Content of Stack Gas, % 2.83 2.27 2.51 2.537

Moisture Saturation at Stack Gas Temperature, % 2.80 3.07 3.06 2.977

Dry Mole Fraction 0.972 0.9773 0.9749 0.975

Carbon Dioxide, % 0 0 0 0.000

Oxygen, % 20.9 20.9 20.9 20.900

Carbon Monoxide & Nitrogen, % 79.1 79.1 79.1 79.100

Fuel Factor

Dry Molecular Weight, lb/lb-Mole 28.84 28.84 28.84 28.840

Wet Molecular weight, lb/lb-Mole 28.54 28.59 28.57 28.567

Flue Gas Static Pressure, inches of H2O 0.52 0.54 0.54 0.533

Absolute Flue Gas Pressure, inches of Mercury 29.65 29.64 29.63 29.640

Average Stack Gas Temperature, °F 73.42 76.17 76.08 75.223

Average Velocity Head, inches of H2O 0.6312786209

00213

0.651195189

018393

0.6216350591

45932

0.635

Average Stack Gas Velocity, feet/second 45.30 46.10 45.06 45.487

Stack Cross-Sectional Area, square feet 530.078 530.078 530.078 530.078

Dry Volumetric Flow Rate, dry scfm 1,373,672.6 1,397,873.5 1,362,751.5 1,378,099.2

00

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,440,752.0 1,466,195.7 1,433,118.9 1,446,688.8

67

Percent Isokinetic of Sampling Rate, % 98.4 97.8 98.2 98.133

Percent Excess Air, % -118,750.0 -118,750.0 -118,750.0 -

118,750.000

F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000

Round Duct Diameter, inches 311.75 311.75 311.75

Rectangular Duct Width, inches

Rectangular Duct Length, inches

Fw 0 0 0 0.000

Fc 0 0 0 0.000

Page 52 of 53
5/28/2013

Included Attachments:

Page 53 of 53