EPA

HAP MACT ICR PPL Montana Boiler ID 2187-2

Question 12:Mercury Emission Test Results (Note - Standard Temp 68 deg F; standard pressure - 1 atm)

(All results were taken at full load and are source test results, representative of any CMM data taken during test periods) ParticulateOxidizedElemental Total Sampling Test Port Hgp Hg+ Hgo HgT Stack Date Time Location (μg/m3) (μg/m3) (μg/m3) (μg/m3)Temp., F 12/11/05 13:03 ESP Inlet 0.12 0.34 7.62 8.08 6.7 12.8 12/11/05 13:06 Stack 0.02 1.41 5.34 6.77 6.5 na 12/14/05 11:09 ESP Inlet 0.04 0.39 6.88 7.31 6.1 13.2 12/14/05 11:20 Stack 0.00 0.77 5.30 6.07 7.2 12.3 12/16/05 16:59 ESP Inlet 1.61 0.27 2.24 4.09 6.2 13.0 12/16/05 16:59 Stack 0.07 3.14 0.69 3.90 7.2 12.4

Total Vapor Phase Hg Sampling Test Port Stack Date Time Location (μg/DSCM) Temp., F 11/1/07 9:20 Stack 5.97 289.0 11/1/07 9:20 Stack 5.90 289.0 11/1/07 10:52 Stack 5.90 287.0 11/1/07 10:52 Stack 5.79 287.0 11/1/07 12:18 Stack 5.72 292.0 11/1/07 12:18 Stack 5.70 292.0

ParticulateOxidizedElemental Total Sampling Test Port Hgp Hg+ Hgo HgT Stack
Date Time Location (μg/m3) (μg/m3) (μg/m3) (μg/m3)Temp., F 6/14/200811:04 Stack 0.01 2.04 5.95 8.00 305 11.4 7.1 13.0 6/14/200811:10 ESP Inlet 7.1 7.0 NA 6/14/200816:19 Stack 0.01 2.22 6.25 8.48 300 11.6 7.3 12.9 6/14/200816:20 ESP Inlet 6.7 7.0 NA 6/16/200810:15 Stack 0.08 4.48 0.15 4.71 300 11.4 7.3 13.3 6/16/200810:10 ESP Inlet 2.2 6.6 12.8 6/16/200816:40 Stack 0.09 5.38 0.17 5.64 312 11.5 7.2 12.8 6/16/200816:41 ESP Inlet 3.6 6.7 12.7 6/17/200811:53 Stack 0.09 5.66 0.27 6.03 312 11.9 7.1 12.9 6/17/200811:55 ESP Inlet 3.7 7.2 12.2 6/17/200816:32 Stack 0.11 3.82 2.53 6.45 314 11.5 6.9 13.5 6/17/200816:40 ESP Inlet 6.2 7.6 11.9 6/18/200810:35 Stack 0.10 5.19 0.36 5.64 309 11.5 7.1 13.4 6/18/200810:40 ESP Inlet 3.6 8.4 11.2 6/18/200816:07 Stack 0.08 4.91 0.25 5.24 313 11.4 7.2 13.7 6/18/200816:21 ESP Inlet 2.0 9.1 10.5 6/19/200810:00 Stack 0.14 4.98 0.61 5.73 307 11.2 7.0 13.9 %H2O%O2 %CO2

%H2O%O2 %CO2

%H2O%O2 %CO26/19/200810:15 ESP Inlet 3.7 9.3 10.4 6/19/200816:09 Stack 0.11 5.42 0.73 6.25 312 11.2 7.2 14.9 6/19/200816:29 ESP Inlet 2.6 9.4 10.3 6/20/200810:30 Stack 0.26 3.44 0.31 4.01 303 11.6 7.1 12.8 6/20/200810:40 ESP Inlet 4.0 9.4 10.3 6/20/200816:05 Stack 0.66 4.21 0.47 5.33 315 11.3 7.0 13.2 6/20/200816:28 ESP Inlet 3.2 7.6 11.9 6/21/2008 9:46 Stack 0.13 4.88 0.36 5.36 302 11.3 7.2 12.6 6/21/2008 9:55 ESP Inlet 2.6 7.3 12.1 6/21/200815:00 Stack 0.07 5.00 0.37 5.44 315 11.0 7.1 12.9 6/21/200815:17 ESP Inlet 2.9 7.7 11.8 6/23/200810:02 Stack 0.03 1.96 4.12 6.12 304 11.4 7.4 12.6 6/23/200810:31 ESP Inlet 5.8 7.6 11.9 6/23/200816:00 Stack 0.09 4.88 0.32 5.29 312 11.6 7.5 14.3 6/23/200816:41 ESP Inlet 2.4 7.8 11.7 6/24/200811:35 Stack 0.13 4.71 0.61 5.45 311 11.6 6.9 12.4 6/24/200810:31 ESP Inlet 2.3 7.9 11.6 6/24/200815:32 Stack 0.14 5.04 0.75 5.92 312 12.3 6.7 12.2 6/24/200815:50 ESP Inlet 2.3 7.6 11.9

Note:Tests at Stack were Ontario-Hyrdo Method, at the ESP Inlet Sorbent Trap Sampling was performed. Total Sampling Test Port HgT LOI Stack Date Time Location (μg/Nm3) % Temp., F 9/23/08 15:41 Stack 6.08 0.24 9/24/08 10:18 Stack 1.07 0.92 9/24/08 13:55 Stack 0.64 1.82 9/24/08 21:12 Stack 0.39 2.42 9/25/08 9:10 Stack 0.38 2.26 9/28/08 15:07 Stack 5.58 1.00 9/28/08 17:50 Stack 0.72 9/29/08 12:06 Stack 0.43 1.29 9/29/08 14:45 Stack 0.20 2.29 %H2O%O2 %CO2

### EPA

HAP MACT ICR PPL Montana Facility ID 6067

Question 12:Mercury Emission Test Results (Note - Standard Temp 68 deg F; standard pressure - 1 atm)

(All results were taken at full load and are source test results, representative of any CMM data taken during test periods) ParticulateOxidizedElemental Total Sampling Test Port Hgp 

### Hg+ 

### Hgo 

### HgT


### Date Time Location ppb ppb ppb ppb Boiler ID 12/19/05 9:00 FGD Inlet 0.10 1.70 6.75 8.55 3 FGD Outlet na na 5.39 5.99 3

ParticulateOxidizedElemental Total Sampling Test Port Hgp 

### Hg+ 

### Hgo 

### HgT


### Date Time Location (μg/dsm3

### ) (μgds/m3

### )(μg/dsm3

### )(μg/dsm3

### Boiler ID 03/08/06 9:33 Inlet 0.11 1.11 4.49 5.72 2 Stack 0.00 0.25 5.64 5.89 2 03/08/06 12:16 Inlet 0.05 0.95 4.45 5.45 2 Stack 0.00 0.26 6.19 6.45 2 03/09/06 7:55 Inlet 0.10 1.21 4.15 5.45 2 Stack 0.00 0.14 5.42 5.56 2 03/09/06 10:35 Inlet 0.11 0.69 4.82 5.63 2 Stack 0.00 0.22 5.61 5.82 2

ParticulateOxidizedElemental Total Sampling Test Port Hgp 

### Hg+ 

### Hgo 

### HgT


### Date Time Location (μg/Nm3

### ) (μg/Nm3

### ) (μg/Nm3

### )(μg/Nm3

### )Boiler ID 04/08/06 FGD Inlet 3.70 5.10 3

FGD Outlet 5.10 5.10 3 Stack 5.10 5.10 3 04/13/06 FGD Inlet 3.70 5.40 3

FGD Outlet 4.60 4.70 3 Stack 4.80 5.10 3 4/29/06- FGD Inlet 4.10 4.90 3 05/05/06 FGD Outlet 2.40 3.50 3 Stack 3.90 4.10 3 05/08/06 FGD Inlet 6.90 7.40 3

FGD Outlet 5.80 6.10 3

### Stack

- - 3

Elemental Total Sampling Test Port LOI Hgo 

### HgT

### (All results were taken at full load and are source test results, representative of any CMM data taken during test periods) Configuration

Type Nox Ctrl SO2 Ctrl Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR

Configuration

Type Nox Ctrl SO2 Ctrl Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR

Configuration

Type Nox Ctrl SO2 Ctrl Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR Tang/dry LNBODC WSCR

### Tang/dry LNBODC WSCR

ConfigurationEPA HAP MACT ICR

PPL Montana Boiler ID 2187-1 Question 12:Particulate Emission Test Results
Load* Flow Rate (GMW)lb/mmBtu lb/HR lb/mmBtu lb/HR DSCFM "Hg Atmos.Stack FStd F "Hg Atmos. 7/26/05 0724-0842 1 168 0.080 136.7 0.030 50.3 12.9 6.5 11.6 404,527 27.15 0.91 291 68 29.92 1 7/26/05 0923-1040 2 169 0.036 63.3 0.102 177.4 13.0 6.6 11.5 413,243 27.18 0.91 297 68 29.92 1 7/26/05 1110-1228 3 169 0.049 86.2 0.029 50.9 12.8 6.6 11.1 419,402 27.19 0.91 297 68 29.92 1 169 0.055 95.4 0.054 92.9 12.9 6.6 11.4 412,391 27.17 0.91 295 68 29.92 1 11/15/05 1215-1333 1 170 0.106 186.3 0.005 8.3 13.3 6.2 11.0 406,461 26.74 0.89 311 68 29.92 1 11/15/05 1421-1547 2 170 0.091 161.6 0.013 23.8 13.0 6.4 10.7 419,597 26.72 0.89 311 68 29.92 1 11/15/05 1613-1731 3 170 0.095 166.9 0.004 6.2 13.2 6.3 10.6 410,016 26.72 0.89 309 68 29.92 1 170 0.097 171.6 0.007 12.8 13.2 6.3 10.8 412,025 26.73 0.89 311 68 29.92 1 5/17/06 0530-0648 1 166 0.089 154.2 0.012 19.9 12.4 7.1 11.3 425,956 26.73 0.89 291 68 29.92 1 5/17/06 0721-0842 2 166 0.081 132.2 0.010 16.9 12.2 7.3 11.6 406,954 26.73 0.89 302 68 29.92 1 5/17/06 0916-1037 3 166 0.071 118.0 0.025 40.6 12.2 7.3 11.6 414,168 26.73 0.89 299 68 29.92 1 166 0.081 134.8 0.015 25.8 12.3 7.2 11.5 415,693 26.73 0.89 297 68 29.92 1 11/2/06 839-958 1 164 0.057 96.7 0.007 12.6 13.0 6.4 11.3 400,562 26.69 0.89 284 68 29.92 1 11/2/06 1028-1148 2 164 0.057 91.8 0.012 19.9 12.4 7.2 10.9 400,769 26.69 0.89 287 68 29.92 1 11/2/06 1256-1415 3 164 0.063 106.1 0.007 11.4 13.0 6.6 11.6 401,313 26.58 0.89 295 68 29.92 1 164 0.059 98.2 0.009 14.7 12.8 6.7 11.3 400,881 26.65 0.89 289 68 29.92 1 6/13/07 750-908 1 163 0.041 66.0 0.029 47.5 12.2 7.2 11.6 405,818 26.57 0.89 303 68 29.92 1 6/13/07 957-1115 2 163 0.043 71.9 0.023 38.4 12.8 6.8 11.4 410,544 26.60 0.89 312 68 29.92 1 6/13/07 1146-1304 3 163 0.042 70.1 0.015 25.9 12.5 7.1 11.7 415,060 26.58 0.89 314 68 29.92 1 163 0.042 69.3 0.022 37.3 12.5 7.0 11.6 410,474 26.58 0.89 310 68 29.92 1 12/18/0708:49 - 10:16 1 160 0.075 119.5 0.092 147.8 12.4 7.1 10.8 396,975 26.64 0.89 319 68 29.92 1 12/18/0711:25 - 12:48 2 159 0.051 82.6 0.069 112.5 12.6 6.9 11.2 398,223 26.64 0.89 310 68 29.92 1 12/18/0713:33 - 14:59 3 159 0.061 98.1 0.068 107.1 12.5 7.0 11.0 393,120 26.59 0.89 311 68 29.92 1 159 0.062 100.1 0.076 122.5 12.5 7.0 11.0 396,106 26.62 0.89 313 68 29.92 1 5/20/08 06:12 - 07:30 1 163 0.057 90.1 0.008 12.3 11.7 7.7 11.1 413,082 26.48 0.89 300 68 29.92 1 5/20/08 08:14 - 09:36 2 163 0.040 66.4 0.011 18.5 12.4 7.0 11.3 407,427 26.46 0.88 308 68 29.92 1 5/20/08 10:47 - 12:04 3 163 0.046 73.6 0.011 17.3 11.9 7.5 11.0 409,682 26.40 0.88 320 68 29.92 1 163 0.048 76.7 0.010 16.0 12.0 7.4 11.1 410,064 26.45 0.88 309 68 29.92 1 12/10/0807:18 - 08:41 1 161 0.059 98.4 0.010 16.8 12.3 7.1 10.5 411,194 26.68 0.89 321 68 29.92 1 12/10/0809:45 - 11:05 2 161 0.047 78.2 0.007 10.8 12.5 7.0 10.5 409,145 26.73 0.89 324 68 29.92 1 12/10/0811:50 - 13:11 3 161 0.053 87.2 0.007 13.3 12.5 7.0 10.7 408,874 26.73 0.89 328 68 29.92 1 161 0.053 87.9 0.008 13.6 12.4 7.0 10.6 409,738 26.71 0.89 325 68 29.92 1 6/25/09 08:19-09:40 1 163 0.229 375.1 0.021 34.7 12.3 7.1 11.6 406,574 26.50 0.89 315 68 29.92 1 6/25/09 10:35-11:54 2 162 0.058 92.7 0.018 29.2 12.2 7.2 11.2 401,375 26.46 0.88 322 68 29.92 1 6/25/09 12:42-14:03 3 160 0.065 106.5 0.021 33.9 12.5 7.1 10.9 403,325 26.42 0.88 325 68 29.92 1 162 0.117 191.4 0.020 32.6 12.3 7.1 11.2 403,758 26.46 0.88 321 68 29.92 1 7/15/09 06:20 - 07:40 1 163 0.072 121.8 0.012 20.3 12.2 7.4 10.9 430,697 26.70 0.89 309 68 29.92 1 7/15/09 08:16 - 09:36 2 163 0.054 91.0 0.015 25.2 11.8 7.6 11.2 431,766 26.70 0.89 314 68 29.92 1 7/15/09 10:22 - 11:49 3 163 0.057 95.7 0.015 25.0 12.0 7.5 11.2 432,105 26.72 0.89 318 68 29.92 1 163 0.061 102.8 0.014 23.5 12.0 7.5 11.1 431,523 26.71 0.89 314 68 29.92 1 12/14/09 08:48-10:09 1 151 0.065 101.6 0.004 6.3 12.2 7.3 10.7 395,620 26.56 0.89 307 68 29.92 1 12/14/09 11:42-13:05 2 151 0.062 99.4 0.005 7.3 12.0 6.9 10.8 396,020 26.62 0.89 308 68 29.92 1 12/14/09 14:18-15:41 3 151 0.057 96.9 0.003 5.6 12.4 6.9 10.1 412,706 26.72 0.89 309 68 29.92 1 151 0.061 99.3 0.004 6.4 12.2 7.0 10.5 401,449 26.63 0.89 308 68 29.92 1

*Net MWdata not readily available. Subtract 10 MWfrom GMWto get the approximate NMW

.

Average

Average Date Time (MST) Run

Average

Average

Average Average

Average

Average

Average Stack Pressure Temperature Std. Pressure

Average %H2O PM (condensible)

Average %CO2 %O2 PM (filterable)

### EPA

HAP MACT ICR PPL Montana Boiler ID 2187-1

Question 12:SO2Emission Test Results

Load

## * CO2 (RM 3a) Start End (GMW) PPM lb/mmBtuLb/Hr. % 1 7/19/05 161 164.7 0.401 776.3 11.9 2 7/19/05 161 168.9 0.411 800.1 11.8 3 7/19/05 161 162.1 0.401 770.4 11.6 4 7/19/05 161 164.8 0.402 777.7 11.8 5 7/19/05 161 169.3 0.409 796.6 11.8 6 7/19/05 161 169.6 0.410 788.8 11.9 7 7/19/05 161 173.7 0.425 809.3 11.9 8 7/19/05 161 172.7 0.426 806.1 11.7 9 7/19/05 161 173.0 0.430 805.9 11.6 10 7/19/05 161 170.6 0.436 799.0 11.2 11 7/19/05 161 175.1 0.436 819.8 11.4 12 7/19/05 161 176.3 0.440 825.9 11.4 161 170.1 0.419 798.0 11.7 1 11/16/05 171 179.6 0.464 845.5 11.6 2 11/16/05 171 183.6 0.461 854.9 11.9 3 11/16/05 170 177.4 0.443 828.9 12.0 4 11/16/05 171 180.4 0.456 835.6 11.8 5 11/16/05 171 180.2 0.456 834.4 11.8 6 11/16/05 170 174.2 0.443 807.4 11.8 7 11/16/05 171 181.7 0.464 845.5 11.7 8 11/16/05 171 177.7 0.451 826.7 11.8 9 11/16/05 170 175.3 0.443 819.3 11.8 10 11/16/05 170 178.9 0.451 11.9 11 11/16/05 170 175.0 0.443 11.8 12 11/16/05 170 179.7 0.458 11.7 170 178.6 0.453 833.1 11.8 1 5/31/06 734 755 168 141.2 0.397 667.6 10.6 2 5/31/06 834 855 166 141.5 0.384 661.9 11.0 3 5/31/06 920 941 165 141.7 0.381 666.3 11.1 4 5/31/06 1006 1027 164 139.1 0.376 661.1 11.1 5 5/31/06 1049 1110 165 144.8 0.400 688.2 10.8 6 5/31/06 1134 1155 164 149.2 0.409 703.2 10.9 7 5/31/06 1215 1236 164 152.5 0.420 719.8 10.9

9:00-9:21 10:30-10:51 11:00-11:21 11:34-11:55 12:09-12:30 12:45-13:06 13:22-13:43 13:55-14:16 14:28-14:49 15:01-15:22 SO2 (RM6c) 

### Time (MST)

8:30-8:51

1643-1703 1729-1749 1815-1835 1901-1921 15:33-15:54

1357-1417 1511-1531 1556-1616

1948-2008 2034-2054

2207-2227 2253-2313 Run Date

Average Average

2121-2141

JEC SO2 Page 10

### EPA

HAP MACT ICR PPL Montana Boiler ID 2187-1

Question 12:SO2Emission Test Results

Load

## * CO2 (RM 3a) Start End (GMW) PPM lb/mmBtuLb/Hr. % SO2 (RM6c) 

### Time (MST)

8:30-8:51 Run Date

8 5/31/06 1415 1436 162 148.9 0.406 707.6 11.0 9 5/31/06 1457 1518 162 154.0 0.424 729.3 10.9 164 145.9 0.400 689.5 10.9 1 12/19/06 8:18 8:39 164 175.3 0.455 795.1 11.5 2 12/19/06 8:58 9:19 164 175.5 0.451 794.0 11.6 3 12/19/06 9:37 9:58 164 169.3 0.438 776.2 11.6 4 12/19/0610:17 10:38 164 167.3 0.436 765.8 11.5 5 12/19/0610:57 11:18 164 169.7 0.443 779.3 11.4 6 12/19/0611:37 11:58 164 169.5 0.442 774.0 11.5 7 12/19/0612:16 12:37 164 166.6 0.432 767.5 11.5 8 12/19/0612:56 13:17 164 167.3 0.434 787.4 11.5 9 12/19/0613:36 13:57 164 170.4 0.447 792.8 11.4 10 12/19/0614:16 14:37 164 165.8 0.438 782.7 11.3 11 12/19/0614:55 15:16 163 165.0 0.436 786.9 11.3 12 12/19/0615:35 15:56 163 164.2 0.430 782.8 11.4 164 168.8 0.440 782.0 11.5 1 6/12/07 8:18 8:39 163 184.6 0.467 859.3 11.8 2 6/12/07 8:58 9:19 163 194.0 0.496 889.7 11.7 3 6/12/07 9:38 9:59 163 186.9 0.474 861.1 11.8 4 6/12/07 10:17 10:38 163 190.7 0.477 874.7 11.9 5 6/12/07 10:57 11:18 163 184.8 0.454 854.5 12.2 6 6/12/07 11:37 11:58 163 193.0 0.483 880.1 11.9 7 6/12/07 12:17 12:38 163 189.8 0.472 882.4 12.0 8 6/12/07 12:56 13:17 163 195.9 0.489 906.9 12.0 9 6/12/07 13:36 13:57 163 184.8 0.458 852.0 12.1 10 6/12/07 14:16 14:37 163 192.4 0.488 11.8 11 6/12/07 14:56 15:17 163 177.4 0.455 11.7 12 6/12/07 15:35 15:56 163 195.9 0.495 11.8 163 189.2 0.476 873.4 11.9 1 12/19/07 8:24 8:44 159 173.0 0.438 789.2 11.8 2 12/19/07 9:03 9:23 160 172.5 0.427 784.3 12.1 3 12/19/07 9:42 10:02 160 170.8 0.420 781.8 12.2 4 12/19/0710:23 10:43 160 168.6 0.417 777.3 12.1 Average Average Average

JEC SO2 Page 11

### EPA

HAP MACT ICR PPL Montana Boiler ID 2187-1

Question 12:SO2Emission Test Results

Load

## * CO2 (RM 3a) Start End (GMW) PPM lb/mmBtuLb/Hr. % SO2 (RM6c) 

### Time (MST)

8:30-8:51 Run Date

5 12/19/0711:02 11:22 160 168.8 0.418 787.5 12.1 6 12/19/0711:42 12:02 160 170.8 0.425 783.6 12.0 7 12/19/0712:22 12:42 160 170.7 0.422 788.1 12.1 8 12/19/0713:02 13:22 160 163.0 0.403 750.5 12.1 9 12/19/0713:41 14:01 160 164.6 0.409 751.5 12.0 10 12/19/0714:21 14:41 160 164.4 0.409 761.2 12.0 11 12/19/0715:01 15:21 160 164.4 0.409 12.0 12 12/19/0715:41 16:01 159 164.9 0.411 12.0 160 168.0 0.417 775.5 12.0 1 5/21/08 6:23 6:43 161 171.6 0.459 797.6 11.2 2 5/21/08 7:01 7:21 162 164.1 0.429 759.8 11.4 3 5/21/08 7:39 7:59 162 160.3 0.417 743.3 11.5 4 5/21/08 8:17 8:37 162 161.1 0.418 741.9 11.5 5 5/21/08 8:54 9:14 162 169.2 0.440 784.8 11.5 6 5/21/08 9:32 9:52 162 166.0 0.433 781.5 11.5 7 5/21/08 10:10 10:30 162 169.1 0.443 793.7 11.4 8 5/21/08 10:48 11:08 161 166.4 0.431 775.6 11.5 9 5/21/08 11:25 11:45 162 178.1 0.469 842.3 11.3 10 5/21/08 12:03 12:23 162 170.8 0.445 11.5 11 5/21/08 12:41 13:01 162 168.6 0.440 11.5 162 167.8 0.438 780.1 11.4 1 12/9/08 7:56 8:17 161 183.6 0.473 855.0 11.6 2 12/9/08 8:34 8:55 161 183.3 0.469 860.8 11.7 3 12/9/08 9:12 9:33 161 186.1 0.479 867.4 11.6 4 12/9/08 9:50 10:11 161 182.3 0.463 855.9 11.8 5 12/9/08 10:27 10:48 161 185.0 0.477 854.9 11.6 6 12/9/08 11:05 11:26 161 185.7 0.485 868.4 11.5 7 12/9/08 11:43 12:04 160 184.2 0.476 865.2 11.6 8 12/9/08 12:21 12:42 160 184.8 0.480 861.5 11.5 9 12/9/08 12:58 13:19 160 184.4 0.481 860.8 11.5 161 184.4 0.476 861.1 11.6 1 6/24/09 8:11 8:32 164 152.9 0.411 686.2 11.4 2 6/24/09 8:48 9:09 164 161.2 0.426 713.6 11.6 Average

Average

Average

JEC SO2 Page 12

### EPA

HAP MACT ICR PPL Montana Boiler ID 2187-1

Question 12:SO2Emission Test Results

Load

## * CO2 (RM 3a) Start End (GMW) PPM lb/mmBtuLb/Hr. % SO2 (RM6c) 

### Time (MST)

8:30-8:51 Run Date

3 6/24/09 9:25 9:46 164 158.6 0.420 700.7 11.5 4 6/24/09 10:02 10:23 164 161.1 0.427 715.6 11.5 5 6/24/09 10:38 10:59 164 158.3 0.419 697.5 11.6 6 6/24/09 11:15 11:36 164 159.6 0.422 700.4 11.6 7 6/24/09 11:52 12:13 164 157.3 0.416 693.1 11.5 8 6/24/09 12:29 12:50 164 153.8 0.410 684.4 11.5 9 6/24/09 13:05 13:26 163 153.6 0.410 674.7 11.4 10 6/24/09 13:42 14:03 163 162.5 0.433 11.5 11 6/24/09 14:19 14:40 163 158.0 0.419 11.5 164 157.9 0.419 696.2 11.5 1 12/15/09 7:53 8:14 151 182.9 0.489 824.9 11.4 2 12/15/09 8:30 8:51 150 182.0 0.501 828.4 11.1 3 12/15/09 9:07 9:27 151 185.1 0.510 839.1 11.1 4 12/15/09 9:44 10:04 151 181.2 0.499 821.1 11.1 5 12/15/0910:20 10:40 151 179.9 0.495 814.7 11.1 6 12/15/0910:57 11:17 151 184.8 0.510 830.5 11.1 7 12/15/0911:34 11:54 151 179.8 0.498 808.0 11.0 8 12/15/0912:10 12:30 151 185.6 0.512 835.3 11.1 9 12/15/0912:47 13:07 151 177.1 0.495 792.9 10.9 10 12/15/0913:24 13:44 151 180.7 0.503 11.0 11 12/15/0914:00 14:20 151 179.7 0.499 11.0 12 12/15/0914:37 14:57 151 174.2 0.489 10.9 151 181.1 0.500 821.7 11.1



## *Net MWdata not readily available. Subtract 10 MWfrom GMWto get the approx NMW

.



### Average Average

JEC SO2 Page 13EPA HAP MACT ICR PPL Montana Boiler ID 6067-1

Question 12:SO2Emission Test Results

Load

## * CO2 (RM 3a) Start End (GMW) PPM lb/mmBtu % 1 4/13/05 14:0514:26 325 122.0 0.305 12.0 2 4/13/05 16:2416:45 326 123.3 0.308 12.0 3 4/13/05 17:1017:31 326 129.4 0.323 12.0 4 4/13/05 17:5618:17 326 139.7 0.349 12.0 5 4/13/05 18:41 19:02 325 127.3 0.320 11.9 6 4/13/05 19:2719:48 325 132.2 0.332 11.9 7 4/13/05 20:1320:34 328 137.7 0.342 12.0 8 4/13/05 20:5921:20 321 127.1 0.323 11.8 9 4/13/05 21:4422:05 326 135.1 0.336 12.0 10 4/13/05 22:3022:51 326 141.8 0.353 12.0 325 131.6 0.329 11.9 1 6/7/06 936 957 318 115.7 0.311 11.1 2 6/7/06 1022 1043 317 118.0 0.315 11.2 3 6/7/06 1108 1129 315 108.6 0.291 11.2 4 6/7/06 1153 1214 314 110.6 0.296 11.2 5 6/7/06 1239 1300 315 118.6 0.316 11.2 6 6/7/06 1325 1346 315 127.5 0.341 11.2 7 6/7/06 1411 1432 313 125.1 0.340 11.0 8 6/7/06 1457 1518 313 141.4 0.383 11.0 9 6/7/06 1542 1603 315 148.1 0.400 11.1 315 123.7 0.333 11.1 1 12/12/06 11:2411:45 297 127.4 0.345 11.1 2 12/12/06 12:1412:35 332 119.6 0.303 11.8 3 12/12/06 13:0313:24 336 120.1 0.307 11.7 4 12/12/06 13:5314:14 334 135.1 0.355 11.4 5 12/12/06 14:4315:04 335 133.8 0.355 11.3 6 12/12/06 15:3315:54 336 152.1 0.410 11.1 7 12/12/06 16:22 16:43 337 123.1 0.312 11.8 8 12/12/06 17:12 17:33 336 120.6 0.309 11.7 9 12/12/06 18:02 18:23 336 134.4 0.353 11.4 10 12/12/06 18:52 19:13 336 123.9 0.318 11.6 11 12/12/06 19:41 20:02 337 123.4 0.315 11.7 12 12/12/06 20:31 20:52 335 125.4 0.325 11.5 332 128.2 0.334 11.5 1 6/21/07 7:37 7:58 333 118.7 0.295 12.0 2 6/21/07 8:19 8:40 333 120.8 0.302 12.0 3 6/21/07 9:00 9:21 333 119.5 0.299 12.0 4 6/21/07 9:42 10:03 333 113.8 0.286 11.9 SO2 (RM6c)

Average Run Date

Average Average Time (MST)

U1 SO2 Page 14EPA HAP MACT ICR PPL Montana Boiler ID 6067-1

Question 12:SO2Emission Test Results

Load

## * CO2 (RM 3a) Start End (GMW) PPM lb/mmBtu % SO2 (RM6c) Run Date Time (MST)

5 6/21/07 10:2410:45 330 115.4 0.290 11.9 6 6/21/07 11:0611:27 330 109.5 0.276 11.8 7 6/21/07 11:4712:08 329 112.1 0.283 11.8 8 6/21/07 12:2912:50 334 108.4 0.274 11.8 9 6/21/07 13:11 13:32 332 107.7 0.273 11.8 10 6/21/07 13:5314:14 326 107.5 0.274 11.7 11 6/21/07 14:3414:55 311 103.9 0.264 11.7 12 6/21/07 15:1615:37 327 109.1 0.277 11.8 329 112.2 0.283 11.9 1 4/25/08 7:09 7:30 337 165.0 0.423 11.7 2 4/25/08 7:48 8:09 335 160.1 0.413 11.6 3 4/25/08 8:35 8:56 336 158.3 0.408 11.6 4 4/25/08 9:15 9:36 334 163.1 0.415 11.8 5 4/25/08 9:55 10:16 333 161.0 0.412 11.7 6 4/25/08 10:3510:56 332 162.1 0.414 11.7 7 4/25/08 11:1411:35 331 163.0 0.419 11.6 8 4/25/08 11:5412:15 329 154.6 0.401 11.5 9 4/25/08 12:3412:55 326 144.0 0.378 11.4 10 4/25/08 13:1413:35 329 144.5 0.375 11.5 332 157.6 0.406 11.6 1 4/20/09 13:1913:40 333 167.6 0.451 11.4 2 4/20/09 13:5714:18 327 169.5 0.459 11.3 3 4/20/09 14:3514:56 330 172.2 0.462 11.4 4 4/20/09 15:1315:34 330 167.8 0.451 11.4 5 4/20/09 15:5016:11 328 163.0 0.441 11.3 6 4/20/09 16:2816:49 326 159.3 0.432 11.3 7 4/20/09 17:0617:27 330 165.4 0.443 11.4 8 4/20/09 17:4418:05 330 169.3 0.452 11.4 9 4/20/09 18:21 18:42 331 170.8 0.457 11.4 10 4/20/09 18:5919:20 333 175.0 0.465 11.5 11 4/20/09 19:3719:58 333 179.7 0.477 11.5 12 4/20/09 20:1520:36 333 181.2 0.480 11.5 330 170.1 0.456 11.4



## *Net MWdata not readily available. Subtract 26 MWfrom GMWto get the approx NMW

. Average Average

Average

U1 SO2 Page 15EPA HAP MACT ICR PPL Montana Boiler ID 6067-2 Question 12:SO2Emission Test Results
Load

## * CO2 (RM 3a) Start End (GMW) PPM lb/mmBtu % 1 7/20/05 324 179.7 0.459 11.6 2 7/20/05 324 180.2 0.457 11.9 3 7/20/05 325 179.3 0.460 11.5 4 7/20/05 326 176.0 0.452 11.5 5 7/20/05 325 176.1 0.450 11.6 6 7/20/05 326 181.8 0.460 11.9 7 7/20/05 325 176.3 0.450 11.9 8 7/20/05 325 175.8 0.450 11.8 9 7/20/05 324 175.9 0.450 11.8 10 7/20/05 325 176.6 0.454 11.7 11 7/20/05 324 176.4 0.455 11.8 12 7/20/05 325 183.2 0.469 11.8 325 178.1 0.456 11.7 1 5/23/0611:11 11:32 323 101.0 0.251 12.0 2 5/23/0611:5712:18 322 100.4 0.250 12.0 3 5/23/0612:4313:04 322 101.6 0.252 12.0 4 5/23/0613:2913:50 323 102.9 0.256 12.0 5 5/23/0614:1614:37 323 100.7 0.250 12.0 6 5/23/0615:02 15:23 325 103.3 0.255 12.1 7 5/23/0615:4816:09 325 109.1 0.269 12.1 8 5/23/0616:3416:55 323 106.9 0.265 12.1 9 5/23/0617:21 17:42 325 113.2 0.277 12.2 10 5/23/0618:0718:28 324 106.9 0.262 12.2 11 5/23/0618:5319:14 324 101.5 0.250 12.2 12 5/23/0619:3920:00 326 97.2 0.239 12.2 324 103.7 0.256 12.1 1 12/4/0618:0318:24 330 169.4 0.435 11.6 2 12/4/0618:5319:14 326 168.5 0.429 11.8 3 12/4/0619:4320:04 330 177.4 0.452 11.7 4 12/4/0620:3320:54 329 178.0 0.451 11.8 5 12/4/0621:2221:43 328 170.3 0.431 11.8 6 12/4/0622:1222:33 329 175.4 0.444 11.8 7 12/4/0623:0223:23 292 141.0 0.396 10.6 8 12/4/0623:52 0:13 304 115.3 0.316 10.9 9 12/5/06 0:41 1:02 307 114.7 0.319 10.8 10 12/5/06 1:31 1:52 327 144.7 0.368 11.8 11 12/5/06 2:21 2:42 329 158.6 0.402 11.8 12 12/5/06 3:11 3:32 328 159.4 0.405 11.8 322 156.1 0.404 11.5 1 6/19/07 9:45 10:06 319 117.6 0.287 12.2

14:06-14:27 SO2 (RM6c)

Average Time (MST)

15:09-15:30 15:40-16:01 16:12-16:33 14:38-14:59 12:01-12:22 12:32-12:53 Run Date

Average

Average 10:28-10:49 10:59-11:20 11:30-11:51

13:04-13:25 13:35-13:56

U2 SO2 Page 16EPA HAP MACT ICR PPL Montana Boiler ID 6067-2 Question 12:SO2Emission Test Results
Load

## * CO2 (RM 3a) Start End (GMW) PPM lb/mmBtu % SO2 (RM6c) Time (MST) Run Date

10:28-10:49 2 6/19/0710:2610:47 318 84.2 0.206 12.2 3 6/19/0711:0811:29 318 87.3 0.211 12.4 4 6/19/0711:5012:11 319 94.5 0.226 12.5 5 6/19/0712:4013:01 316 104.3 0.251 12.4 6 6/19/0713:22 13:43 316 80.8 0.196 12.3 7 6/19/0714:5615:17 318 89.7 0.215 12.4 8 6/19/0715:3815:59 316 94.9 0.228 12.4 9 6/19/0716:2016:41 314 81.6 0.202 12.1 10 6/19/0717:02 17:23 319 81.0 0.197 12.3 11 6/19/0717:4418:05 319 91.7 0.222 12.4 12 6/19/0718:2618:47 317 88.6 0.214 12.4 317 91.4 0.221 12.3 1 7/17/08 7:20 7:41 326 141.9 0.385 11.0 2 7/17/08 9:21 9:42 329 135.4 0.350 11.6 3 7/17/0810:0510:26 332 129.6 0.340 11.4 4 7/17/0810:4911:10 329 127.4 0.335 11.4 5 7/17/0811:3411:55 330 125.5 0.330 11.4 6 7/17/0812:1812:39 331 125.8 0.330 11.4 7 7/17/0813:02 13:23 328 121.2 0.322 11.3 8 7/17/0813:4614:07 326 122.8 0.323 11.4 9 7/17/0814:31 14:52 327 129.2 0.341 11.3 10 7/17/0815:1515:36 326 106.2 0.279 11.4 11 7/17/0815:5916:20 327 109.5 0.289 11.3 12 7/17/0816:4317:04 328 109.3 0.290 11.3 328 123.7 0.326 11.3 1 4/27/0915:5016:11 318 119.2 0.327 11.2 2 4/27/0916:2816:49 320 120.6 0.331 11.1 3 4/27/0917:0617:27 318 120.1 0.330 11.1 4 4/27/0917:4418:05 322 119.8 0.328 11.2 5 4/27/0918:21 18:42 322 124.1 0.340 11.2 6 4/27/0918:5919:20 321 121.9 0.335 11.1 7 4/27/0919:3719:58 325 123.3 0.338 11.1 8 4/27/0920:1520:36 322 122.4 0.336 11.1 9 4/27/0920:5221:13 318 120.8 0.334 11.1 10 4/27/0921:3021:51 319 127.2 0.350 11.1 11 4/27/0922:0822:29 242 94.1 0.269 10.7 12 4/27/0922:4623:07 242 81.2 0.234 10.6 307 116.2 0.321 11.0 Average

Average



## *Net MWdata not readily available. Subtract 26 MWfrom GMWto get the approximate NMW

. Average Runs 1-12

U2 SO2 Page 17EPA HAP MACT ICR PPL Montana Boiler ID 6067-3 Question 12:SO2Emission Test Results
Load

## * CO2 (RM 3a) Start End (GMW) PPM lb/mmBtu % 1 7/21/2005 753 31.4 0.087 10.6 2 7/21/2005 754 31.7 0.088 10.6 3 7/21/2005 754 31.6 0.087 10.7 4 7/21/2005 756 32.6 0.089 10.7 5 7/21/2005 755 31.7 0.088 10.7 6 7/21/2005 755 31.9 0.088 10.8 7 7/21/2005 754 31.7 0.088 10.8 8 7/21/2005 755 29.1 0.081 10.4 9 7/21/2005 755 29.4 0.081 10.7 10 7/21/2005 755 31.7 0.088 10.6 11 7/21/2005 754 31.6 0.088 10.6 12 7/21/2005 756 31.7 0.088 10.6 755 31.3 0.087 10.7 1 6/13/06 1321 1342 750 33.8 0.102 10.0 2 6/13/06 1410 1431 753 30.2 0.087 10.4 3 6/13/06 1500 1521 748 31.1 0.090 10.3 4 6/13/06 1550 1611 748 30.2 0.086 10.5 5 6/13/06 1640 1701 736 29.8 0.086 10.3 6 6/14/06 926 947 754 35.0 0.100 10.5 7 6/14/06 1016 1037 757 28.8 0.083 10.4 8 6/14/06 1106 1127 763 26.3 0.076 10.3 9 6/14/06 1156 1217 756 29.5 0.085 10.3 10 6/14/06 1245 1306 763 30.1 0.087 10.3 11 6/14/06 1353 1414 751 32.3 0.093 10.3 12 6/14/06 1443 1504 757 31.4 0.091 10.3 753 30.7 0.089 10.3 1 6/26/07 9:14 9:35 801 43.3 0.118 11.0 2 6/26/07 10:01 10:22 803 33.5 0.087 11.6 3 6/26/07 10:4711:08 802 38.1 0.097 11.7 4 6/26/07 11:32 11:53 804 40.3 0.102 11.8 5 6/26/07 12:1812:39 806 43.7 0.110 11.8 6 6/26/07 13:0413:25 804 51.8 0.127 12.2 7 6/26/07 13:5014:11 804 34.4 0.089 11.6 8 6/26/07 14:3514:56 804 33.5 0.087 11.6 9 6/26/07 15:21 15:42 804 37.4 0.097 11.6 10 6/26/07 16:0716:28 804 33.9 0.087 11.7 11 6/26/07 16:5317:14 805 31.5 0.081 11.6 12 6/26/07 17:4018:01 804 38.9 0.100 11.6 804 38.4 0.098 11.6 12:38-12:59 13:09-13:30 Run Date

Average

Average SO2 (RM6c)

Average Time (MST)

12:08-12:29 11:37-11:58 7:30-7:51 8:02-8:23 8:32-8:53 9:03-9:24 9:35-9:56 10:05-10:26 10:36-10:57 11:07-11:28

U3 SO2 Page 18EPA HAP MACT ICR PPL Montana Boiler ID 6067-3 Question 12:SO2Emission Test Results
Load

## * CO2 (RM 3a) Start End (GMW) PPM lb/mmBtu % Run Date SO2 (RM6c)

Time (MST)

7:30-7:51 1 4/29/08 7:13 7:34 800 30.9 0.083 11.1 2 4/29/08 7:55 8:16 798 48.0 0.130 11.0 3 4/29/08 8:37 8:58 797 30.6 0.083 11.0 4 4/29/08 9:18 9:39 797 32.9 0.089 11.0 5 4/29/08 10:0010:21 800 28.5 0.078 11.0 6 4/29/08 10:42 11:03 798 25.7 0.069 11.2 7 4/29/08 11:2411:45 800 31.1 0.082 11.3 8 4/29/08 12:0512:26 800 29.1 0.078 11.1 9 4/29/08 12:4713:08 799 28.1 0.077 10.9 10 4/29/08 13:2913:50 799 25.0 0.069 10.9 11 4/29/08 14:1014:31 799 31.6 0.087 10.8 799 31.0 0.084 11.0 1 4/29/09 10:1910:40 801 31.8 0.088 11.0 2 4/29/09 11:0311:24 800 30.1 0.085 10.9 3 4/29/09 11:4712:08 796 34.7 0.098 10.8 4 4/29/09 12:31 12:52 801 38.2 0.108 10.8 5 4/29/09 13:1413:35 799 26.7 0.076 10.8 6 4/29/09 13:5814:19 797 27.6 0.078 10.8 7 4/29/09 14:42 15:03 797 38.0 0.106 10.9 8 4/29/09 15:2615:47 794 24.4 0.068 10.9 9 4/29/09 16:0916:30 799 19.6 0.055 10.9 798 30.1 0.085 10.9 1 12/8/09 17:2617:47 806 34.1 0.097 10.8 2 12/8/09 18:0818:29 806 41.0 0.115 10.9 3 12/8/09 18:5019:11 804 34.2 0.096 10.8 4 12/8/09 19:32 19:53 805 33.7 0.095 10.9 5 12/8/09 20:1320:34 804 37.1 0.104 10.9 6 12/8/09 20:5521:16 804 36.6 0.103 10.9 7 12/8/09 21:3721:58 803 40.1 0.113 10.8 8 12/8/09 22:1922:40 804 35.1 0.099 10.8 9 12/8/09 23:0023:21 804 35.8 0.101 10.8 10 12/8/09 23:42 0:03 799 31.9 0.090 10.9 11 12/9/09 0:24 0:45 798 31.7 0.089 10.9 12 12/9/09 1:06 1:27 740 30.6 0.088 10.6 798 35.2 0.099 10.8 1 12/31/09 12:21 12:42 806 25.6 0.075 10.5 2 12/31/09 13:0013:21 806 30.8 0.090 10.4 3 12/31/09 13:3813:59 804 33.6 0.098 10.5 4 12/31/09 14:1714:38 805 20.7 0.061 10.4 Average

Average

Average

U3 SO2 Page 19EPA HAP MACT ICR PPL Montana Boiler ID 6067-3 Question 12:SO2Emission Test Results
Load

## * CO2 (RM 3a) Start End (GMW) PPM lb/mmBtu % Run Date SO2 (RM6c)

Time (MST)

7:30-7:51 5 12/31/09 14:5615:17 804 33.3 0.098 10.4 6 12/31/09 15:3515:56 804 24.5 0.072 10.5 7 12/31/09 16:1316:34 803 21.5 0.063 10.4 8 12/31/09 16:52 17:13 804 23.3 0.069 10.4 9 12/31/09 17:31 17:52 804 29.0 0.085 10.4 10 12/31/09 18:1018:31 799 21.8 0.064 10.4 11 12/31/09 18:4819:09 798 21.4 0.063 10.4 12 12/31/09 19:2719:48 740 27.2 0.080 10.4 798 26.1 0.076 10.4



## *Net MWdata not readily available. Subtract 63 MWfrom GMWto get the approximate NMW

.

Average

U3 SO2 Page 20EPA HAP MACT ICR PPL Montana Boiler ID 6067-4 Question 12:SO2Emission Test Results
Load

## * CO2 (RM 3a) Start End (GMW)PPM lb/mmBtu % 1 6/29/2005 786 27.6 0.070 11.8 2 6/29/2005 762 24.7 0.064 11.6 3 6/29/2005 787 32.7 0.083 11.8 4 6/29/2005 781 30.1 0.077 11.6 5 6/29/2005 783 38.4 0.099 11.6 6 6/29/2005 786 40.2 0.103 11.7 7 6/29/2005 777 32.3 0.083 11.6 8 6/29/2005 780 33.3 0.086 11.6 9 6/29/2005 781 43.5 0.112 11.6 10 6/29/2005 782 41.7 0.109 11.4 11 6/29/2005 783 39.2 0.102 11.4 12 6/29/2005 784 38.7 0.101 11.5 781 35.2 0.091 11.6 1 4/25/2006 1619 1640 755 26.2 0.068 11.5 2 4/26/2006 702 723 773 32.3 0.082 11.8 3 4/26/2006 825 846 778 24.5 0.064 11.5 4 4/26/2006 912 933 776 23.2 0.059 11.7 5 4/26/2006 958 1019 766 23.9 0.062 11.5 6 4/26/2006 1044 1105 771 24.2 0.062 11.6 7 4/26/2006 1130 1151 765 25.0 0.066 11.3 8 4/26/2006 1217 1238 767 23.9 0.063 11.3 9 4/26/2006 1303 1324 771 25.5 0.066 11.5 10 4/26/2006 1349 1410 771 30.4 0.079 11.5 11 4/26/2006 1435 1456 764 28.4 0.074 11.4 12 4/26/2006 1522 1543 764 31.9 0.084 11.3 768 26.6 0.069 11.5 1 6/15/07 7:32 7:53 812 30.0 0.076 11.8 2 6/15/07 8:18 8:39 815 29.8 0.076 11.7 3 6/15/07 9:03 9:24 812 30.1 0.077 11.7 4 6/15/07 9:49 10:10 812 30.5 0.078 11.7 5 6/15/07 10:3510:56 809 42.4 0.104 12.2 6 6/15/07 11:21 11:42 810 35.2 0.090 11.7 7 6/15/07 12:0612:27 774 32.7 0.084 11.6 8 6/15/07 12:52 13:13 773 34.1 0.087 11.7 9 6/15/07 13:3813:59 780 33.6 0.085 11.8 10 6/15/07 14:2414:45 779 39.4 0.098 12.1 798 33.8 0.085 11.8 1 4/15/08 6:39 7:00 804 34.0 0.091 11.2 2 4/15/08 7:19 7:40 804 35.6 0.095 11.2 3 4/15/08 7:58 8:19 805 36.8 0.098 11.2 Run Date

0711-0738

0804-0825 0850-0911

Average Average Time (MST) SO2 (RM6c)

Average 0936-0957

1218-1239 1304-1325 1045-1106

1523-1544 1437-1458 1350-1411

1609-1630 1132-1153

U4 SO2 Page 21EPA HAP MACT ICR PPL Montana Boiler ID 6067-4 Question 12:SO2Emission Test Results
Load

## * CO2 (RM 3a) Start End (GMW)PPM lb/mmBtu % Run Date

0711-0738

Time (MST) SO2 (RM6c)

4 4/15/08 8:38 8:59 803 37.3 0.100 11.2 5 4/15/08 9:18 9:39 802 37.2 0.099 11.2 6 4/15/08 9:58 10:19 806 38.3 0.102 11.2 7 4/15/08 10:3710:58 811 39.8 0.106 11.3 8 4/15/08 11:1711:38 810 38.2 0.101 11.3 9 4/15/08 11:5712:18 810 35.8 0.095 11.2 10 4/15/08 12:3612:57 811 41.2 0.110 11.2 11 4/15/08 13:1613:37 809 39.4 0.105 11.2 12 4/15/08 13:5614:17 810 40.9 0.109 11.2 807 37.9 0.101 11.2 1 11/2/09 17:4518:06 801 23.2 0.066 10.7 2 11/2/09 18:2718:48 801 21.7 0.062 10.7 3 11/2/09 19:0919:30 801 26.3 0.075 10.7 4 11/2/09 19:5020:11 800 30.2 0.087 10.7 5 11/2/09 20:3220:53 801 34.1 0.098 10.7 6 11/2/09 21:1421:35 801 36.4 0.104 10.7 7 11/2/09 21:5622:17 801 37.6 0.108 10.6 8 11/2/09 22:3722:58 801 44.3 0.128 10.6 9 11/2/09 23:1923:40 801 44.5 0.128 10.6 10 11/3/09 0:01 0:22 801 6.8 0.020 10.6 11 11/3/09 0:43 1:04 800 5.7 0.017 10.5 12 11/3/09 1:24 1:45 802 7.5 0.022 10.6 801 26.5 0.076 10.6



## *Net MWdata not readily available. Subtract 63 MWfrom GMWto get the approximate NMW

.

Average Average

U4 SO2 Page 22EPA HAP MACT ICR PPL Montana Boiler ID 6067 - Units 1-4

Question 12:Particulate Emission Test Results

Load

### * Flow Rate (GMW)lb/mmBtu lb/HR DSCFM "Hg Atmos.Stack FStd F "Hg Atmos. 1 4/14/05 0900-1020 1 327 0.047 155.5 13.2 6.2 16.4 769,980 26.12 0.87 195 68 29.92 1 1 4/14/05 1120-1241 2 326 0.039 132.2 13.2 6.2 16.7 781,980 26.16 0.87 195 68 29.92 1 1 4/14/05 1325-1444 3 325 0.040 132.1 13.1 6.4 17.7 775,442 26.21 0.88 195 68 29.92 1 1 326 0.042 139.9 13.2 6.3 16.9 775,801 26.16 0.87 195 68 29.92 1 1 5/11/06 0739-0857 1 309 0.046 140.0 12.9 6.5 18.4 721,922 26.55 0.89 207 68 29.92 1 1 5/11/06 1020-1138 2 309 0.039 122.8 13.1 6.3 17.9 726,273 26.52 0.89 207 68 29.92 1 1 5/11/06 1255-1413 3 310 0.040 125.6 13.0 6.4 18.1 736,798 26.46 0.88 208 68 29.92 1 1 309 0.042 129.5 13.0 6.4 18.1 728,331 26.51 0.89 207 68 29.92 1 1 5/2/07 07:06-08:25 1 320 0.043 140.8 13.4 6.0 19.2 744,553 26.15 0.87 203 68 29.92 1 1 5/2/07 08:57-10:15 2 320 0.049 158.8 13.6 5.8 19.2 736,732 26.13 0.87 203 68 29.92 1 1 5/2/07 10:38-11:55 3 320 0.054 173.1 13.4 6.0 19.2 737,832 26.11 0.87 203 68 29.92 1 1 320 0.049 157.6 13.5 5.9 19.2 739,706 26.13 0.87 203 68 29.92 1 1 5/1/08 07:20 - 08:39 1 340 0.034 111.5 13.0 6.6 17.6 780,866 26.28 0.88 199 68 29.92 1 1 5/1/08 09:34 - 10:53 2 341 0.036 121.8 13.2 6.2 17.4 781,108 26.29 0.88 198 68 29.92 1 1 5/1/08 11:36 - 12:53 3 340 0.035 120.1 13.2 6.2 17.4 803,323 26.28 0.88 198 68 29.92 1 1 341 0.035 117.8 13.1 6.3 17.4 788,433 26.28 0.88 198 68 29.92 1 1 4/22/09 08:25-09:49 1 327 0.036 116.9 13.5 5.9 18.1 732,016 26.32 0.88 205 68 29.92 1 1 4/22/09 10:44-12:04 2 329 0.033 107.0 13.4 6.0 18.1 740,720 26.27 0.88 205 68 29.92 1 1 4/22/09 12:58-14:19 3 328 0.033 108.8 13.7 5.7 17.0 750,645 26.28 0.88 205 68 29.92 1 1 328 0.034 110.9 13.5 5.9 17.7 741,127 26.29 0.88 205 68 29.92 1 2 4/20/05 0741-0903 1 317 0.046 151.1 12.8 6.6 17.3 785,709 26.42 0.88 199 68 29.92 1 2 4/20/05 1039-1204 2 316 0.045 147.5 13.2 6.3 17.7 767,594 26.42 0.88 199 68 29.92 1 2 4/20/05 1249-1409 3 314 0.043 142.3 13.1 6.0 17.8 765,112 26.41 0.88 199 68 29.92 1 2 316 0.045 147.0 13.0 6.3 17.6 772,805 26.42 0.88 199 68 29.92 1 2 5/24/06 0621-0742 1 322 0.042 135.7 13.3 6.1 19.0 747,783 26.65 0.89 202 68 29.92 1 2 5/24/06 0849-1011 2 321 0.044 150.8 13.6 5.7 19.1 761,737 26.68 0.89 203 68 29.92 1 2 5/24/06 1034-1155 3 320 0.041 132.4 13.2 6.3 19.2 747,258 26.67 0.89 203 68 29.92 1 2 321 0.042 139.6 13.4 6.0 19.1 752,259 26.67 0.89 203 68 29.92 1 2 4/25/07 07:08-08:26 1 310 0.056 176.9 13.0 6.6 17.7 760,237 26.40 0.88 196 68 29.92 1 2 4/25/07 09:15-10:33 2 309 0.058 185.2 13.0 6.4 19.0 750,619 26.38 0.88 197 68 29.92 1 2 4/25/07 11:21-12:39 3 309 0.065 205.9 13.0 6.4 18.8 748,616 26.38 0.88 197 68 29.92 1 Stack Pressure Temperature Std. Pressure %CO2 %O2 %H2O RM 5B

Average Average

Average

Average

Average Average Date Time (MST) Run

Average Boiler ID#

Colstrip PM Page 23EPA HAP MACT ICR PPL Montana Boiler ID 6067 - Units 1-4

Question 12:Particulate Emission Test Results

Load

### * Flow Rate (GMW)lb/mmBtu lb/HR DSCFM "Hg Atmos.Stack FStd F "Hg Atmos. Stack Pressure Temperature Std. Pressure %CO2 %O2 %H2O RM 5B Date Time (MST) Run Boiler ID#
2 309 0.060 189.3 13.0 6.5 18.5 753,157 26.39 0.88 197 68 29.92 1 2 8/27/08 06:44-08:53 1 331 0.026 80.2 12.5 7.1 16.9 776,155 26.17 0.87 197 68 29.92 1 2 8/27/08 09:36-10:57 2 330 0.023 73.4 12.9 6.5 17.2 745,778 26.12 0.87 197 68 29.92 1 2 8/27/08 11:31-12:49 3 330 0.026 79.4 12.4 7.0 17.2 750,417 26.12 0.87 197 68 29.92 1 2 330 0.025 77.7 12.6 6.9 17.1 757,450 26.14 0.87 197 68 29.92 1 2 4/29/09 07:30-08:52 1 329 0.032 108.4 13.2 6.2 16.1 777,388 26.21 0.88 200 68 29.92 1 2 4/29/09 09:50-11:12 2 330 0.034 114.8 13.2 6.2 17.5 781,812 26.21 0.88 200 68 29.92 1 2 4/29/09 11:54-13:16 3 330 0.033 110.4 13.1 6.3 17.7 773,087 26.23 0.88 200 68 29.92 1 2 329 0.033 111.2 13.2 6.2 17.1 777,429 26.22 0.88 200 68 29.92 1 3 4/7/05 1000-1127 1 771 0.033 250.4 11.7 7.5 15.2 1,909,005 26.04 0.87 195 68 29.92 1 3 4/7/05 1234-1357 2 769 0.032 243.9 12.3 7.1 15.2 1,889,328 25.97 0.87 194 68 29.92 1 3 4/7/05 1450-1610 3 762 0.034 270.6 12.6 6.8 15.4 1,949,128 25.89 0.87 195 68 29.92 1 3 767 0.033 255.0 12.2 7.1 15.3 1,915,820 25.97 0.87 195 68 29.92 1 3 7/6/06 07:00-08:22 1 758 0.036 270.7 11.8 7.5 15.9 1,927,864 26.72 0.89 195 68 29.92 1 3 7/6/06 08:83-10:13 2 752 0.034 265.5 11.8 7.4 15.0 1,966,432 26.74 0.89 195 68 29.92 1 3 7/6/06 10:38-11:58 3 750 0.033 250.0 12.1 7.3 16.1 1,919,361 26.74 0.89 195 68 29.92 1 3 753 0.034 262.1 11.9 7.4 15.7 1,937,886 26.73 0.89 195 68 29.92 1 3 7/19/07 6:40-8:06 1 808 0.026 201.3 13.3 6.2 17.3 1,796,409 26.33 0.88 192 68 29.92 1 3 7/19/07 9:10-10:29 2 806 0.023 181.7 13.3 6.3 17.4 1,839,545 26.30 0.88 192 68 29.92 1 3 7/19/07 10:59-12:17 3 803 0.022 175.1 13.3 6.3 17.2 1,818,680 26.30 0.88 192 68 29.92 1 3 806 0.024 186.0 13.3 6.3 17.3 1,818,211 26.31 0.88 192 68 29.92 1 3 5/14/08 07:14 - 08:32 1 796 0.022 163.5 12.5 6.9 15.9 1,854,153 26.11 0.87 196 68 29.92 1 3 5/14/08 9:17 - 10:35 2 793 0.019 147.5 12.6 6.8 15.9 1,852,480 26.19 0.88 196 68 29.92 1 3 5/14/08 11:14 - 12:32 3 792 0.018 138.3 12.5 6.9 15.8 1,840,591 26.20 0.88 195 68 29.92 1 3 794 0.020 149.8 12.5 6.9 15.9 1,849,075 26.17 0.87 196 68 29.92 1 3 5/6/09 06:57-08:19 1 787 0.017 131.9 12.3 7.2 15.0 1,896,032 26.05 0.87 198 68 29.92 1 3 5/6/09 09:17-10:37 2 787 0.018 135.3 12.1 7.4 14.8 1,920,150 26.05 0.87 199 68 29.92 1 3 5/6/09 11:33-12:54 3 799 0.018 133.5 12.3 7.3 15.1 1,918,764 26.03 0.87 200 68 29.92 1 3 791 0.018 133.5 12.2 7.3 14.9 1,911,649 26.04 0.87 199 68 29.92 1 4 2/16/05 0800-0921 1 793.2 0.034 246.0 13.0 6.4 15.2 1,718,250 26.31 0.88 193 68 29.92 1

Average

Average Average Average

Average

Average

Average

Average

Colstrip PM Page 24EPA HAP MACT ICR PPL Montana Boiler ID 6067 - Units 1-4

Question 12:Particulate Emission Test Results

Load

### * Flow Rate (GMW)lb/mmBtu lb/HR DSCFM "Hg Atmos.Stack FStd F "Hg Atmos. Stack Pressure Temperature Std. Pressure %CO2 %O2 %H2O RM 5B Date Time (MST) Run Boiler ID#
4 2/16/05 1021-1141 2 793.2 0.035 269.9 13.7 5.6 15.5 1,733,722 26.33 0.88 195 68 29.92 1 4 2/16/05 1242-1401 3 793.3 0.033 247.4 13.6 5.8 16.1 1,699,520 26.30 0.88 195 68 29.92 1 4 793.2 0.034 254.4 13.4 5.9 15.6 1,717,164 26.31 0.88 194 68 29.92 1 4 11/10/05 08:33-10:10 1 769.9 0.035 258.6 13.0 6.3 16.3 1,712,166 26.25 0.88 195 68 29.92 1 4 11/10/05 10:58-12:29 2 769.0 0.034 271.9 13.6 5.7 16.6 1,804,075 26.23 0.88 195 68 29.92 1 4 11/10/05 13:03-14:29 3 765.0 0.028 207.0 13.4 6.0 16.7 1,702,594 26.22 0.88 193 68 29.92 1 4 768.0 0.032 245.8 13.3 6.0 16.5 1,739,612 26.23 0.88 194 68 29.92 1 4 4/5/06 0749-0911 1 776.1 0.032 230.6 12.6 6.8 15.9 1,742,933 25.90 0.87 196 68 29.92 1 4 4/5/06 1029-1203 2 774.8 0.028 202.0 12.7 6.7 16.1 1,765,289 25.85 0.86 196 68 29.92 1 4 4/5/06 1333-1454 3 774.3 0.027 199.1 12.8 6.6 16.1 1,776,916 25.77 0.86 196 68 29.92 1 4 775.1 0.029 210.6 12.7 6.7 16.0 1,761,713 25.84 0.86 196 68 29.92 1 4 10/11/06 7:20-8:43 1 812.4 0.032 245.2 12.7 6.6 15.5 1,808,244 26.19 0.88 194 68 29.92 1 4 10/11/06 09:17-10:36 2 811.7 0.030 217.6 12.9 6.5 15.6 1,737,822 26.11 0.87 194 68 29.92 1 4 10/11/06 11:07-12:27 3 810.2 0.029 211.4 13.1 6.4 16.0 1,727,418 26.24 0.88 193 68 29.92 1 4 811.4 0.030 224.7 12.9 6.5 15.7 1,757,828 26.18 0.88 194 68 29.92 1 4 4/18/07 07:00-08:20 1 807.8 0.029 223.1 12.7 6.9 15.6 1,853,212 25.92 0.87 196 68 29.92 1 4 4/18/07 09:06-10:26 2 807.9 0.040 303.6 12.5 7.1 16.0 1,863,797 25.81 0.86 196 68 29.92 1 4 4/18/07 11:08-12:29 3 807.2 0.027 204.6 12.6 7.0 16.1 1,859,285 25.79 0.86 197 68 29.92 1 4 807.6 0.032 243.8 12.6 7.0 15.9 1,858,764 25.84 0.86 196 68 29.92 1 4 4/22/08 07:33-08:54 1 801.7 0.038 269.2 11.8 7.5 14.9 1,825,391 26.20 0.88 194 68 29.92 1 4 4/22/08 09:35-10:53 2 801.8 0.033 246.4 12.5 6.9 15.3 1,848,400 26.20 0.88 194 68 29.92 1 4 4/22/08 11:30-12:48 3 802.1 0.034 248.8 12.6 7.0 15.1 1,818,594 26.19 0.88 194 68 29.92 1 4 801.9 0.035 254.8 12.3 7.1 15.1 1,830,795 26.20 0.88 194 68 29.92 1 4 11/24/09 08:47-10:08 1 808.3 0.021 162.2 12.3 6.9 15.0 1,880,914 26.32 0.88 192 68 29.92 1 4 11/24/09 13:33-14:56 2 809.4 0.020 153.4 12.7 6.6 15.3 1,871,149 26.28 0.88 192 68 29.92 1 4 11/24/09 15:35-16:56 3 810.8 0.025 193.9 12.7 7.0 15.2 1,898,081 26.27 0.88 194 68 29.92 1 4 809.5 0.022 169.9 12.6 6.8 15.2 1,883,382 26.29 0.88 193 68 29.92 1



### *Net MWdata not readily available. For Units 1&2 subtract 26 MWfrom GMWto get the approximate NMW

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### *Net MWdata not readily available. For Units 3&4 subtract 63 MWfrom GMWto get the approximate NMW

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Average

Average Average

Average

Average

Average Average

Colstrip PM Page 25