## 6481_INTERMOUNTAIN_MACT_ICR_PhaseIII_Process_Data

Test: Non-dioxin/furan Organic HAPS - short list Test Date: Unit 1 - 6/15/2010 Start TIMES: End TIMES:

Unit 2 - 6/16/2010 Start TIMES: End TIMES:

Data Collection 6/15/2010 8:00to 6/16/2010 18:00

PI TAG ID's Unit 1 Unit 2 Units Generation Load (gross) 1COAXI027A 2COAXI027A MWhe

Load (net) CS-U1-MW CS-U2-MW MWhe

Boiler Coal Feed 1COAXI001B 2COAXI001B tons/hr

Fuel Oil Feed 1COAXI011A 2COAXI011A klbh Heat Input 1SGAPE0047 2SGAPE0047 mmbtu/hr SteamFlow 1COAXI024 2COAXI024 klbh SteamPressure 1SGGPT0001 2SGGPT0001 psi SteamTemp 1SGGTE0002 2SGGTE0002 F Boiler O2 1COAXI187A 2COAXI187A % OFA % Flow 1COAXI172B 2COAXI172B %

CEMS CO2 1SAAKK0015 2SAAKK0015 %

Flow 1SAAKK0016 2SAAKK0016 Macfh SO2 1SAAKK0005 2SAAKK0005 lb/mmbtu NOx 1SAAKK0007 2SAAKK0007 lb/mmbtu HI 1SGAPE0049 2SGAPE0049 mmbtu/hr Stack Temp 1CCCM30022 2CCCM30022 F

Fabric Filter FF dP - A Casing 1CCBA40001 2CCBA40001 inWC

FF dP - B Casing 1CCBB40001 2CCBB40001 inWC FF dP - C Casing 1CCBC40001 2CCBC40001 inWC FF dP - Avg

Scrubber FGD dP A Module 1CCCA30006 2CCCA30006 inWC

FGD dP B Module 1CCCB30006 2CCCB30006 inWC FGD dP C Module 1CCCC30006 2CCCC30006 inWC FGD dP D Module 1CCCD30006 2CCCD30006 inWC FGD dP E Module 1CCCE30006 2CCCE30006 inWC FGD dP F Module 1CCCF30006 2CCCF30006 inWC dP Avg inWC

FGD pH A Module 1CCCA30008 2CCCA30008 FGD pH B Module 1CCCB30008 2CCCB30008 FGD pH C Module 1CCCC30008 2CCCC30008 FGD pH D Module 1CCCD30008 2CCCD30008 FGD pH E Module 1CCCE30008 2CCCE30008 FGD pH F Module 1CCCF30008 2CCCF30008 pH AvgFGD A Module ON? 1CCCA00003 2CCCA00003 FGD B Module ON? 1CCCB00003 2CCCB00003 FGD C Module ON? 1CCCC00003 2CCCC00003 FGD D Module ON? 1CCCD00003 2CCCD00003 FGD E Module ON? 1CCCE00003 2CCCE00003 FGD F Module ON? 1CCCF00003 2CCCF00003

Slurry Feed A Mod 1CCCA30016 2CCCA30016 gpm Slurry Feed B Mod 1CCCB30016 2CCCB30016 gpm Slurry Feed C Mod 1CCCC30016 2CCCC30016 gpm Slurry Feed D Mod 1CCCD30016 2CCCD30016 gpm Slurry Feed E Mod 1CCCE30016 2CCCE30016 gpm Slurry Feed F Mod 1CCCF30016 2CCCF30016 gpm Total Feed gpm

Slurry Density 1CCCM30005 2CCCM30005 %

A Module HP Spray

Amps 1CCCA30019 2CCCA30019 ohms A Module IP Spray

Amps 1CCCA30020 2CCCA30020 ohms A Module LP Spray

Amps 1CCCA30021 2CCCA30021 ohms

B Module HP Spray

Amps 1CCCB30019 2CCCB30019 ohms B Module IP Spray

Amps 1CCCB30020 2CCCB30020 ohms B Module LP Spray

Amps 1CCCB30021 2CCCB30021 ohms

C Module HP Spray

Amps 1CCCC30019 2CCCC30019 ohms C Module IP Spray

Amps 1CCCC30020 2CCCC30020 ohms C Module LP Spray

Amps 1CCCC30021 2CCCC30021 ohms

D Module HP Spray

Amps 1CCCD30019 2CCCD30019 ohms D Module IP Spray

Amps 1CCCD30020 2CCCD30020 ohms D Module LP Spray

Amps 1CCCD30021 2CCCD30021 ohms

E Module HP Spray

Amps 1CCCE30019 2CCCE30019 ohms E Module IP Spray

Amps 1CCCE30020 2CCCE30020 ohms E Module LP Spray

Amps 1CCCE30021 2CCCE30021 ohms

F Module HP Spray

Amps 1CCCF30019 2CCCF30019 ohms F Module IP Spray

Amps 1CCCF30020 2CCCF30020 ohms F Module LP Spray

Amps 1CCCF30021 2CCCF30021 ohms

Total Spray

Flow gpm Amp to gpm conv factor 603.0846

L/G RatioRun 1 6/15/2010 8:13Run 2 6/15/2010 10:55Run 3 6/15/2010 10:28 6/15/2010 13:07

Run 1 6/16/2010 8:37Run 2 6/16/2010 11:14Run 3 6/16/2010 10:47 6/16/2010 13:25

Compilation of Hourly

Averages

Current Values - Unit 1 Current Values - Unit 2Conv ValuesU1 Conv Values U2 #NAME? #NAME? #NAME? #NAME?

#NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME?

#NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME?

#NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME?

#NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME?

#NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME?#NAME? #NAME?

#NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME?

#NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME? #NAME?

#NAME? #NAME?

#NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm

#NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm

#NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm

#NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm

#NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm

#NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm #NAME? #NAME? #NAME? #NAME? gpm

#NAME? #NAME? GPM

#NAME? #NAME? g/Mcf6/15/2010 13:25:00 PM Run 4 6/15/2010 16:05:00 PM 6/15/2010 15:36:00 PM 6/15/2010 18:16:00 PM

6/16/2010 13:43:00 PM

Run 4 6/16/2010 16:00:00 PM 6/16/2010 15:54:00 PM 6/16/2010 18:00:00 PMPI TAG ID's Unit 1 Unit 2 Units Boiler Coal Feed 1COAXI001B 2COAXI001B tons/hr

Fuel Oil Feed 1COAXI011A 2COAXI011A klbh Heat Input 1SGAPE0047 2SGAPE0047 mmbtu/hr SteamFlow 1COAXI024 2COAXI024 klbh SteamPressure 1SGGPT0001 2SGGPT0001 psi SteamTemp 1SGGTE00022SGGTE0002F Boiler O2 1COAXI187A 2COAXI187A % OFA % Flow 1COAXI172B 2COAXI172B %

Test Period Coal Feed Fuel oil feed Heat Input SteamflowSteamPressure Start 6/15/2010 8:00 tons/hr klbh mmbtu/hr klbh psi Hour 1 6/15/2010 9:00 381.2524947 0.02175406 8546.354557 6658.6817 2384.231185 Hour 2 6/15/2010 10:00 381.829816 0.024524116 8558.549756 6672.3339 2383.880225 Hour 3 6/15/2010 11:00 381.13935 0.026757361 8544.364746 6688.7547 2383.714554 Hour 4 6/15/2010 12:00 380.0994714 0.026567224 8519.956071 6680.196 2384.480492 Hour 5 6/15/2010 13:00 380.4890341 0.028212339 8527.176758 6680.8673 2383.771596 Hour 6 6/15/2010 14:00 380.0935112 0.029782333 8518.912386 6701.1825 2383.315971 Hour 7 6/15/2010 15:00 379.6255844 0.031156274 8510.672314 6702.5696 2384.023512 Hour 8 6/15/2010 16:00 381.8511519 0.030901386 8554.417546 6710.6142 2380.395112 Hour 9 6/15/2010 17:00 381.993874 0.031667285 8474.30026 6702.8263 2385.585532 Hour 10 6/15/2010 18:00 379.9520254 0.034306226 8385.796794 6704.5592 2384.003533 Unit 1SteamTempBoiler O2 OFA % of Ttl Flow Test Period Coal FeedFuel oil feed

F % % 6/16/2010 8:00 tons/hr klbh 1000.886063.327042 3.667636458 6/16/2010 9:00 384.6108 0 1002.80201 3.325867 3.698044116 6/16/2010 10:00 383.9728 0 1002.319833.306944 3.736438227 6/16/2010 11:00 382.6201 0 1002.744853.285099 3.72407415 6/16/2010 12:00 381.4983 0 1001.476383.374404 3.754117786 6/16/2010 13:00 382.4303 0 999.3465733.461674 3.869214576 6/16/2010 14:00 383.0474 0 1001.22821 3.440898 3.969463765 6/16/2010 15:00 384.3265 0 1002.708753.360814 4.366419452 6/16/2010 16:00 385.1316 0 1001.14418 3.06422 4.344740353 6/16/2010 17:00 383.8119 0 1000.906323.057728 4.323908071 6/16/2010 18:00 383.1708 0Heat InputSteamflowSteamPressure SteamTempBoiler O2 OFA % of Ttl Flow

mmbtu/hr klbh psi F % % 8486.978 6477.4646 2359.143587 998.110864 3.364 3.030015934 8472.079 6492.6675 2358.226172 998.5472273.113113 3.063651917 8443.898 6497.4435 2358.008233 998.405073.041443 2.532282192 8420.734 6497.7089 2358.810336 998.270581 3.232783 1.967970018 8436.641 6508.4382 2356.556088 999.7915453.352985 1.687661247 8454.884 6526.6674 2357.102624 999.2787923.456478 1.83245254 8479.177 6522.5348 2355.826137 998.9741873.545341 2.142100287 8496.689 6504.7405 2357.364226 999.634293.555353 2.532417722 8471.365 6507.3314 2358.649518 997.3335623.409713 2.451779474 8455.391 6528.3562 2359.07142 998.9452063.386151 1.94010114 Unit 2PI TAG ID's Unit 1 Unit 2 Units Generation Load (gross)1COAXI027A 2COAXI027A MWhe

Load (net) CS-U1-MW CS-U2-MW MWhe

Test Period Load (gross) Load (net) Test Period Load (gross) Start 6/15/2010 8:00 MWh-e MWh-e 6/16/2010 8:00 MWh-e Hour 1 6/15/2010 9:00 949.804948896.0168056 6/16/2010 9:00 949.9037708 Hour 2 6/15/2010 10:00 949.947644 895.673297 6/16/2010 10:00 949.9116235 Hour 3 6/15/2010 11:00 950.120235895.5350544 6/16/2010 11:00 950.0119613 Hour 4 6/15/2010 12:00 949.902425 895.230087 6/16/2010 12:00 950.0533076 Hour 5 6/15/2010 13:00 950.127735 895.225686 6/16/2010 13:00 949.882389 Hour 6 6/15/2010 14:00 950.033252896.4014023 6/16/2010 14:00 950.1242034 Hour 7 6/15/2010 15:00 949.940148 896.187182 6/16/2010 15:00 950.0450369 Hour 8 6/15/2010 16:00 948.811126895.0176965 6/16/2010 16:00 949.9699095 Hour 9 6/15/2010 17:00 950.916083896.9308529 6/16/2010 17:00 949.8823792 Hour 10 6/15/2010 18:00 949.971424895.6325178 6/16/2010 18:00 949.9831064 Unit 1 Unit 2Load (net)

MWh-e 890.22202 890.49628 891.28082 889.88576 887.6479 888.15193 889.02714 889.26803 889.66918 889.56413 Unit 2PI TAG ID's Unit 1 Unit 2 Units CEMS CO2 1SAAKK0015 2SAAKK0015 % (Wet Basis) Flow 1SAAKK0016 2SAAKK0016 Macfh unadjusted SO2 1SAAKK0005 2SAAKK0005 lb/mmbtu

NOx 1SAAKK0007 2SAAKK0007 lb/mmbtu HI 1SGAPE0049 2SGAPE0049 mmbtu/hr Stack Temp 1CCCM30022 2CCCM30022 F

Test Period CO2 Flow SO2 NOx HI Stack Temp Start 6/15/2010 8:00 % Macfh lb/mmbtu lb/mmbtu mmbtu/hr F Hour 1 6/15/2010 9:00 12.4981396 105.3557825 0.081499039 0.449182 8597.345 118.7076 Hour 2 6/15/2010 10:00 12.4547343 106.0869654 0.081326407 0.447964 8599.921 118.807 Hour 3 6/15/2010 11:00 12.3574531 106.2230653 0.076053703 0.445139 8599.792 118.9064 Hour 4 6/15/2010 12:00 12.2930488 106.0129772 0.076515516 0.445135 8597.571 119.0054 Hour 5 6/15/2010 13:00 12.1894095 107.0161241 0.078624504 0.451466 8601.263 119.0539 Hour 6 6/15/2010 14:00 12.1579224 106.9237934 0.075933197 0.452331 8601.379 119.0663 Hour 7 6/15/2010 15:00 12.1203489 106.2226467 0.061182424 0.453968 8599.103 119.0788 Hour 8 6/15/2010 16:00 12.1457195 105.7554371 0.058905762 0.449702 8589.74 119.0912 Hour 9 6/15/2010 17:00 12.3534257 104.4508048 0.054708037 0.41777 8607.44 119.1036 Hour 10 6/15/2010 18:00 12.3435635 104.4004669 0.053064503 0.422295 8599.158 119.116 Unit 1Stack Temp Test Period CO2 Flow SO2 NOx HI Stack Temp 6/16/2010 8:00 % Macfh lb/mmbtu lb/mmbtu mmbtu/hr F 6/16/2010 9:00 11.59607 117.5015 0.100135 0.421529 8350.902 113.5815 6/16/2010 10:00 11.74622 116.2672 0.09213 0.403451 8351.97 113.8523 6/16/2010 11:00 11.79461 115.5037 0.088345 0.403731 8351.958 114.1232 6/16/2010 12:00 11.67481 116.8933 0.086107 0.445677 8351.884 114.394 6/16/2010 13:00 11.55097 118.0358 0.084555 0.456262 8349.821 114.6648 6/16/2010 14:00 11.49785 118.4129 0.084505 0.451142 8353.349 114.6803 6/16/2010 15:00 11.63788 118.996 0.084273 0.454502 8351.268 114.2145 6/16/2010 16:00 11.88869 119.0345 0.079616 0.445953 8351.543 113.7375 6/16/2010 17:00 11.62946 118.2631 0.081474 0.432394 8350.53 113.2605 6/16/2010 18:00 11.56509 118.0257 0.079579 0.42141 8350.09 112.7834 Unit 2PI TAG ID's Unit 1 Unit 2 Units Fabric Filter FF dP - A Casing 1CCBA40001 2CCBA40001 inWC

FF dP - B Casing 1CCBB40001 2CCBB40001 inWC FF dP - C Casing 1CCBC40001 2CCBC40001 inWC

Test Period FF dP - A Casing FF dP - B Casing FF dP - C Casing AVG Start 6/15/2010 8:00 inWC inWC inWC inWC Hour 1 6/15/2010 9:00 8.977834706 8.4748275 7.920811564 8.45782 Hour 2 6/15/2010 10:00 9.184249802 8.686397393 8.078923508 8.64986 Hour 3 6/15/2010 11:00 9.215749038 8.776194702 8.152714517 8.71489 Hour 4 6/15/2010 12:00 9.238723417 8.790960004 8.13907111 8.72292 Hour 5 6/15/2010 13:00 9.337268501 8.959205385 8.243879555 8.84678 Hour 6 6/15/2010 14:00 9.301177915 8.909205614 8.220103476 8.81016 Hour 7 6/15/2010 15:00 9.258529748 8.842857952 8.167977926 8.75646 Hour 8 6/15/2010 16:00 9.271447222 8.829890668 8.160136047 8.75382 Hour 9 6/15/2010 17:00 9.156121656 8.64512941 8.093897197 8.63172 Hour 10 6/15/2010 18:00 9.163884014 8.778888057 8.09701254 8.67993 Unit 1Test Period FF dP - A Casing FF dP - B Casing FF dP - C Casing AVG

6/16/2010 8:00 inWC inWC inWC inWC 6/16/2010 9:00 9.384865141 8.989931806 8.287419203 8.8874 6/16/2010 10:00 9.31561281 8.909653698 8.301763769 8.8423 6/16/2010 11:00 9.064237797 8.667520519 8.084509693 8.6054 6/16/2010 12:00 9.474314954 9.057963938 8.294565934 8.9423 6/16/2010 13:00 9.803642136 9.390987951 8.701061084 9.2986 6/16/2010 14:00 9.559209146 9.139302603 8.545535597 9.0813 6/16/2010 15:00 9.644304695 9.259388936 8.533548939 9.1457 6/16/2010 16:00 9.653440979 9.239886546 8.607567924 9.167 6/16/2010 17:00 9.005824894 8.591854855 8.063661242 8.5538 6/16/2010 18:00 9.318743607 8.889748658 8.22857679 8.8124 Unit 2Scrubber FGD dP A Module FGD dP B Module FGD dP C Module FGD dP D Module Test Period 1CCCA30006 1CCCB30006 1CCCC30006 1CCCD30006 Start 6/15/2010 8:00 inWC inWC inWC inWC Hour 1 6/15/2010 9:00 0 1.79544284 1.51255883 1.602740194 Hour 2 6/15/2010 10:00 0 1.821881406 1.526581088 1.61030037 Hour 3 6/15/2010 11:00 0 1.814119572 1.506317499 1.611550738 Hour 4 6/15/2010 12:00 0 1.828693906 1.526743465 1.608256988 Hour 5 6/15/2010 13:00 0 1.838303825 1.545495865 1.601977685 Hour 6 6/15/2010 14:00 0 1.863473788 1.551704241 1.585071421 Hour 7 6/15/2010 15:00 0 1.854672705 1.550308434 1.567225056 Hour 8 6/15/2010 16:00 0 1.837535725 1.550892326 1.549769968 Hour 9 6/15/2010 17:00 0 1.820265225 1.554000861 1.546084191 Hour 10 6/15/2010 18:00 0 1.823021654 1.542813359 1.549234507FGD dP E Module FGD dP F Module dP Avg FGD pH A Module FGD pH B Module

1CCCE30006 1CCCF30006 1CCCA30008 1CCCB30008 inWC inWC inWC 2.024796869 0.012683238 1.7339 7.233976197 5.708333639 2.037246721 0.013965016 1.749 7.229561352 5.711268553 2.042099111 0.015246793 1.7435 7.231645287 5.712694297 2.048165724 0.01652857 1.753 7.237369984 5.716264707 2.044474929 0.017810348 1.7576 7.242674874 5.710773831 2.055327833 0.019092125 1.7639 7.246096438 5.7140307 2.058810381 0.020373903 1.7578 7.247770546 5.716625069 2.023188105 0.02118989 1.7403 7.248954432 5.713370505 1.995500392 0.021119699 1.729 7.248489579 5.71341226 2.006582043 0.021028143 1.7304 7.245125837 5.720162878FGD pH C Module FGD pH D Module FGD pH E Module FGD pH F Module pH Avg

1CCCC30008 1CCCD30008 1CCCE30008 1CCCF30008

5.73317135 5.747941699 5.708655851 6.92424209 5.7245 5.737679529 5.751370547 5.692997415 6.90458816 5.7233 5.736211641 5.732396159 5.680812738 6.886165319 5.7155 5.776795869 5.727237375 5.646846277 6.871193417 5.7168 5.771213419 5.706744707 5.620206105 6.856461873 5.7022 5.771269229 5.730950062 5.82892814 6.841734421 5.7613 5.783561038 5.718408525 6.173774995 6.830038791 5.8481 5.791693683 5.742517963 6.020472312 6.82095723 5.817 5.805370192 5.76167168 5.871169974 6.811875669 5.7879 5.809685107 5.749119411 5.763351055 6.805494823 5.7606FGD A Module ON? FGD B Module ON? FGD C Module ON? FGD D Module ON? FGD E Module ON?

1CCCA00003 1CCCB00003 1CCCC00003 1CCCD00003 1CCCE00003

OFF ON ON ON ON OFF ON ON ON ON OFF ON ON ON ON OFF ON ON ON ON OFF ON ON ON ON OFF ON ON ON ON OFF ON ON ON ON OFF ON ON ON ON OFF ON ON ON ON OFF ON ON ON ONFGD F Module ON? Slurry Feed A Mod Slurry

Feed B Mod Slurry

Feed C Mod 1CCCF00003 1CCCA30016 1CCCB30016 1CCCC30016 gpm gpm gpm OFF 2.748458643 19.90388988 25.18922873 OFF 0.544157231 19.10443652 23.92116792 OFF 0.467250587 18.16826292 24.80049791 OFF 0.390343943 20.95784632 12.65161211 OFF 0.313437299 25.05369504 17.87326219 OFF 0.236530656 19.37594051 20.84500448 OFF 0.159624012 20.47118544 17.95908837 OFF 0.082717368 19.42237022 24.39027164 OFF 0.012738209 21.13756335 12.98340145 OFF 0 16.43315239 20.6474166Slurry

Feed D Mod Slurry

Feed E Mod Slurry

Feed F Mod Total Feed Slurry Density 1CCCD30016 1CCCE30016 1CCCF30016 1CCCM30005 gpm gpm gpm gpm % 21.60316962 63.44682004 0.053066602 130.14311 31.73051497 21.57618991 62.67575165 0.056728823 127.27755 31.72084414 22.34025396 64.24606667 0.062186722 129.55508 31.7549442 22.49768831 68.82779545 0.069510992 124.93494 31.78904426 20.48242258 63.4902547 0.076835434 126.89963 31.82096914 20.5101768 98.34958297 0.084159876 159.0807 31.71712628 21.55774528 58.0240175 0.091484318 118.01204 31.31642182 20.88857228 0 0.098808761 64.701214 30.85360651 19.6222911 0 0.10613320353.743256 31.137389 20.11774987 55.0000747 0.113457645 112.19839 31.27867599Amp to gpm conv factor 603.0846

Limestone Feed A Module HP Spray Amps A Module IP Spray Amps tons 1CCCA30019 1CCCA30020 lb/hr ohms ohms 24777.04707 0 0 24224.10719 0 0 24684.0863 0 0 23829.37444 0 0 24228.41613 0 0 30273.49681 0 0 22174.28831 0 0 11977.59481 0 0 10040.54799 0 0 21056.50319 0 0A Module LP Spray Amps conv B Module HP Spray Amps B Module IP Spray Amps 1CCCA30021 1CCCB30019 1CCCB30020 ohms gpm ohms ohms 0 0 27.35453852 24.06939121 0 0 27.34767183 24.09185243 0 0 27.34080514 24.11703015 0 0 27.3339386 24.14220787 0 0 27.32707214 24.16738559 0 0 27.32020569 24.1925633 0 0 27.31333923 24.21774102 0 0 27.30647278 24.24291874 0 0 27.29960632 24.2705602 0 0 27.29273987 24.30456881B Module LP Spray Amps conv C Module HP Spray Amps C Module IP Spray Amps 1CCCB30021 1CCCC30019 1CCCC30020 ohms gpm ohms ohms

24.40444139 45730.92 24.94326323 23.05044026 24.40215233 45738.95 24.90882093 23.00417734 24.39986328 45748.61 24.87437863 22.95791443 24.39757422 45758.27 24.83993634 22.92197181 24.39528516 45767.94 24.80549404 22.90735516 24.39299611 45777.6 24.771286 22.89338802 24.39313893 45788.73 24.77825583 22.87942087 24.42034185 45816.18 24.81551462 22.86545373 24.45506597 45849.65 24.85277341 22.85148659 24.48979008 45886.96 24.8900322 22.83751945C Module LP Spray Amps conv D Module HP Spray Amps D Module IP Spray Amps 1CCCC30021 1CCCD30019 1CCCD30020 ohms gpm ohms ohms

23.05195889 42846.54 25.64967416 25.78409344 23.02634086 42782.42 25.66123717 25.79834854 23.00072283 42718.3 25.66341506 25.80034828 22.9751048 42660.4 25.61997928 25.80034828 22.95192252 42616.84 25.57048274 25.80034828 22.97273238 42600.33 25.5209862 25.80034828 23.00987178 42618.51 25.47148966 25.80034828 23.04701118 42654.96 25.42199311 25.80034828 23.08415058 42691.4 25.39143024 25.80034828 23.12128998 42727.85 25.42952209 25.79894415D Module LP Spray Amps conv E Module HP Spray Amps E Module IP Spray Amps 1CCCD30021 1CCCE30019 1CCCE30020 ohms gpm ohms ohms

24.56994869 45836.67 25.83271205 24.27717376 24.50861261 45815.25 25.88547563 24.25868037 24.70978888 45939.1 25.9382392 24.24018698 24.50826967 45791.37 25.99100278 24.22169359 24.64235476 45842.38 26.04376635 24.2032002 24.64649485 45815.03 26.07667977 24.18597705 24.80915901 45883.28 26.08147175 24.17207087 24.4135841 45614.86 26.08605886 24.15833748 24.71776621 45779.88 26.09064598 24.1446041 24.54048974 45695.09 26.09523309 24.13087071E Module LP Spray Amps conv F Module HP Spray Amps F Module IP Spray Amps 1CCCE30021 1CCCF30019 1CCCF30020 ohms gpm ohms ohms

23.4565258 44366.77 0 0 23.4565258 44387.44 0 0 23.4565258 44408.11 0 0 23.4565258 44428.77 0 0 23.4565258 44449.44 0 0 23.44847585 44454.05 0 0 23.41952368 44431.09 0 0 23.38949491 44407.47 0 0 23.35946614 44383.84 0 0 23.32943737 44360.21 0 0F Module LP Spray Amps conv Total Spray Flow L/G Ratio 1CCCF30021 ohms gpm gpm

0.003298596 1.989333 178780.9085 101.8155 0.005759215 3.473294 178724.0584 101.0816 0.008219834 4.957255 178814.1127 101.003 0.010680453 6.441217 178638.8167 101.1039 0.013141072 7.925178 178676.5938 100.1774 0.015601691 9.409139 178647.0069 100.2473 0.011466708 6.915395 178721.6069 100.9511 0.010145979 6.118883 178493.4592 101.2677 0.021447193 12.93447 178704.7646 102.6539 0.029712099 17.91891 178670.1075 102.6835Scrubber FGD dP A Module FGD dP B Module FGD dP C Module FGD dP D Module Test Period 2CCCA30006 2CCCB30006 2CCCC30006 2CCCD30006 Start 6/16/2010 8:00 inWC inWC inWC inWC Hour 1 6/16/2010 9:00 0.176225065 0 1.678731115 1.920213483 Hour 2 6/16/2010 10:00 0.177246646 0 1.674802496 1.92079129 Hour 3 6/16/2010 11:00 0.178803091 0 1.68173353 1.921369098 Hour 4 6/16/2010 12:00 0.180359536 0 1.701339181 1.926364247 Hour 5 6/16/2010 13:00 0.181915981 0 1.697823273 1.945004581 Hour 6 6/16/2010 14:00 0.183472426 0 1.723146427 1.964610726 Hour 7 6/16/2010 15:00 0.185028871 0 1.72562208 1.981912578 Hour 8 6/16/2010 16:00 0.186585316 0 1.731092719 1.982357862 Hour 9 6/16/2010 17:00 0.187649833 0 1.71131833 1.969684203 Hour 10 6/16/2010 18:00 0.18488869 0 1.714085279 1.956011644FGD dP E Module FGD dP F Module dP Avg FGD pH A Module FGD pH B Module

2CCCE30006 2CCCF30006 2CCCA30008 2CCCB30008 inWC inWC inWC 1.798870721 1.723608514 1.7804 6.731239261 4 1.779341456 1.713052082 1.772 6.710928713 4 1.776143348 1.71636552 1.7739 6.697331595 4 1.799547327 1.741329046 1.7921 6.682592264 4 1.820042944 1.773711383 1.8091 6.668650302 4 1.831152631 1.7643737 1.8208 6.651088306 4 1.837179858 1.766951554 1.8279 6.644309137 4 1.82900557 1.75899465 1.8254 6.652150948 4 1.813563751 1.764506399 1.8148 6.687742517 4 1.819557482 1.755312023 1.8112 6.710533319 4FGD pH C Module FGD pH D Module FGD pH E Module FGD pH F Module pH Avg

2CCCC30008 2CCCD30008 2CCCE30008 2CCCF30008

5.898381129 5.901534957 5.878942213 5.915710232 5.8986 5.898964733 5.902012155 5.87739268 5.926069156 5.9011 5.901696034 5.909195089 5.883882767 5.926840018 5.9054 5.901169997 5.90839308 5.880749792 5.923738124 5.9035 5.898405211 5.903082266 5.880903184 5.922594533 5.9012 5.903554046 5.910462745 5.889819307 5.897229514 5.9003 5.902902574 5.902434229 5.890045449 5.888803767 5.896 5.902230133 5.899964685 5.878803368 5.879606072 5.8902 5.90233808 5.892647442 5.86168073 5.854858093 5.8779 5.902175993 5.858209168 5.84124162 5.831076346 5.8582FGD A Module ON? FGD B Module ON? FGD C Module ON? FGD D Module ON? FGD E Module ON?

2CCCA00003 2CCCB00003 2CCCC00003 2CCCD00003 2CCCE00003

OFF OFF ON ON ON OFF OFF ON ON ON OFF OFF ON ON ON OFF OFF ON ON ON OFF OFF ON ON ON OFF OFF ON ON ON OFF OFF ON ON ON OFF OFF ON ON ON OFF OFF ON ON ON OFF OFF ON ON ONFGD F Module ON? Slurry Feed A Mod Slurry

Feed B Mod Slurry

Feed C Mod 2CCCF00003 2CCCA30016 2CCCB30016 2CCCC30016 gpm gpm gpm ON 0.004172898 0.831622047 27.3832401 ON 0.01149734 0.614740029 29.69239395 ON 0.018821782 0.397858012 31.04562951 ON 0.026146224 0.180975994 31.31248469 ON 0.033470667 0.012129462 33.80154429 ON 0.040795109 0 27.42840135 ON 0.048119551 0 25.24536906 ON 0.055408388 0 24.33638397 ON 0.054422641 0 24.80611498 ON 0.047098198 0 23.0764332Slurry

Feed D Mod Slurry

Feed E Mod Slurry

Feed F Mod Total Feed Slurry Density 2CCCD30016 2CCCE30016 2CCCF30016 2CCCM30005 gpm gpm gpm gpm % 33.53721445 31.94280626 20.35965524 113.22292 33.35363525 31.95862095 33.09673485 1.963721551 96.711471 33.28521173 33.967953 35.29796455 7.827362041 108.13891 33.21678821 24.85409634 35.24697896 7.634504191 99.048064 33.14836469 33.4764057 31.63388201 10.37474323 109.28658 33.07994117 28.76615255 30.96672361 7.88005646395.041334 33.01151765 37.80419535 23.12020458 9.92894788596.098717 32.96599599 34.30628522 28.31196452 3.5343203790.488954 32.95347433 17.2929559 25.12548861 6.387642861 73.612202 32.9412166 35.22871705 13.11388783 8.34510652379.764145 32.92895887Amp to gpm conv factor 603.0846

Limestone Feed A Module HP Spray Amps A Module IP Spray Amps tons 2CCCA30019 2CCCA30020 lb/hr ohms ohms 22658.37506 0 0 19314.37079 0 0 21552.16344 0 0 19699.68812 0 0 21691.16087 0 0 18824.75204 0 0 19007.93949 0 0 17891.55255 0 0 14549.25301 0 0 15759.30142 0 0A Module LP Spray Amps conv B Module HP Spray Amps B Module IP Spray Amps 2CCCA30021 2CCCB30019 2CCCB30020 ohms gpm ohms ohms 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0B Module LP Spray Amps conv C Module HP Spray Amps C Module IP Spray Amps 2CCCB30021 2CCCC30019 2CCCC30020 ohms gpm ohms ohms 0 0 25.38594651 26.33916873 0 0 25.34916073 26.41383401 0 0 25.35483874 26.47547667 0 0 25.44145942 26.49108063 0 0 25.53004271 26.50265273 0 0 25.61862601 26.51422484 0 0 25.7072093 26.52579694 0 0 25.79579259 26.53736905 0 0 25.88437588 26.54894116 0 0 25.97295918 26.56051326C Module LP Spray Amps conv D Module HP Spray Amps D Module IP Spray Amps 2CCCC30021 2CCCD30019 2CCCD30020 ohms gpm ohms ohms

22.26726216 44623.66 26.10927549 24.58762075 22.25352901 44638.23 26.07465132 24.65287416 22.23979586 44670.54 26.04002716 24.71812757 22.24608248 44735.98 26.00540299 24.78338099 22.29909726 44828.36 25.97077882 24.8486344 22.35403057 44921.89 25.93615465 24.89283969 22.40896388 45015.42 25.92548907 24.86830881 22.46389719 45108.95 25.97322351 24.83844978 22.5188305 45202.49 26.02359644 24.80859075 22.57376381 45296.02 26.07396936 24.77873172D Module LP Spray Amps conv E Module HP Spray Amps E Module IP Spray Amps 2CCCD30021 2CCCE30019 2CCCE30020 ohms gpm ohms ohms

23.16666015 44545.97 26.17657291 25.28526407 23.16208228 44561.68 26.18578215 25.24252506 23.1575044 44577.4 26.19499138 25.26662363 23.15292653 44593.11 26.20420061 25.29368703 23.14834865 44608.82 26.21340984 25.32075044 23.15234837 44617.01 26.22261907 25.34781384 23.17285482 44608.15 26.23182831 25.37756944 23.19377303 44631.54 26.24560923 25.44096419 23.21469124 44656.53 26.27611395 25.51445349 23.23560945 44681.52 26.30815837 25.58794278E Module LP Spray Amps conv F Module HP Spray Amps F Module IP Spray Amps 2CCCE30021 2CCCF30019 2CCCF30020 ohms gpm ohms ohms

24.13159882 45589.24 27.71159108 24.13168415 24.06976016 45531.72 27.73210978 24.11466806 24.00792151 45514.52 27.69540939 24.18040337 23.94608286 45499.1 27.61438117 24.25389779 23.88424421 45483.68 27.53335294 24.32739221 23.82240555 45468.26 27.45232472 24.40088663 23.76060149 45454.49 27.3712965 24.47438105 23.75682907 45498.75 27.29026828 24.54787546 23.80565865 45590.92 27.20924006 24.62136988 23.85448823 45684.01 27.12995319 24.66916345F Module LP Spray Amps conv Total Spray Flow L/G Ratio 2CCCF30021 ohms gpm gpm

25.08234175 46392.65 181151.5286 92.50174 25.09149758 46400.29 181131.921 93.47363 25.10065341 46423.32 181185.7757 94.11948 25.10980924 46424.3 181252.4881 93.0348 25.11896507 46425.28 181346.1336 92.18192 25.1281209 46426.26 181433.4154 91.93259 25.13738729 46427.3 181505.3586 91.51839 25.16783661 46441.12 181680.3744 91.57699 25.21407357 46464.46 181914.3999 92.2931 25.26031052 46473.35 182134.9043 92.59079

### AS FIRED COAL SAMPLE ANALYSES - IPSC FUELS LAB

Dry Dry Dry Dry Dry Dry Dry Dry A/R Fix ed Dry Fixed AFS ID Date Sample ID Moist% Ash% Volatile% S% Btu/lb Res Mois% C% H% N% O% Ash% S% C% H% N% O% Btu/lb MAF BTU Volatile Carbon Carbon 1ST CUT 16:30-19:00 6/14/2010 45428 8.85 12.72 37.36 0.64 11202 1.99 62.73 4.45 1.31 9.30 13.96 0.70 68.82 4.88 1.44 10.20 12290 14283 40.99 41.07 45.06 2ND CUT 19:00-22:00 6/14/2010 45429 8.72 12.82 37.52 0.65 11216 2.02 62.81 4.50 1.35 9.15 14.04 0.71 68.81 4.93 1.48 10.02 12287 14295 41.10 40.94 44.85 3RD CUT 22:00-01:00 6/14-15/10 45430 8.34 13.84 36.76 0.60 11085 2.00 62.25 4.45 1.32 9.20 15.10 0.65 67.91 4.85 1.44 10.04 12094 14244 40.10 41.06 44.80 4TH CUT 01:00-04:00 6/15/2010 45431 7.44 13.84 37.65 0.70 11231 2.24 62.73 4.47 1.33 9.49 14.95 0.76 67.77 4.83 1.44 10.25 12134 14267 40.68 41.07 44.37 1ST CUT 16:15-19:00 6/15/2010 45436 8.00 13.62 37.46 0.70 11196 1.88 62.44 4.46 1.33 9.45 14.80 0.76 67.87 4.85 1.45 10.27 12170 14284 40.72 40.92 44.48 2ND CUT 19:00-22:00 6/15/2010 45437 6.62 14.73 36.64 0.79 11397 1.52 63.39 4.48 1.42 8.57 15.77 0.85 67.88 4.80 1.52 9.18 12205 14491 39.24 42.01 44.99 3RD CUT 22:00-01:00 6/15-16/10 45438 5.82 15.24 36.35 0.88 11514 1.28 64.13 4.52 1.48 7.93 16.18 0.93 68.09 4.80 1.57 8.42 12226 14586 38.60 42.59 45.22 4TH CUT 01:00-04:00 6/16/2010 45439 6.19 14.49 36.52 0.84 11592 1.40 64.68 4.68 1.48 7.64 15.45 0.90 68.95 4.99 1.58 8.14 12357 14614 38.93 42.8 45.62 5TH CUT 04:00-06:00 6/16/2010 45440 6.21 14.90 37.16 0.90 11479 1.48 64.17 4.65 1.47 7.70 15.89 0.96 68.42 4.96 1.57 8.21 12239 14551 39.62 41.73 44.49

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