GrossNetGross Net Feeder AFeeder BFeeder CTotal

End Time mmBTUhrMW MW MW MW TPH KPPH KPPH KPPHKPPHKPPHdeg F deg F deg F deg F PPHRUN=ON% PPH acfm deg FInches w.c.Inches w.c.Inches w.c.RUN=ONPPHInches w.c.Inches w.c. 2/17/10 2,720 288 236 288 N/A 250 6.9 6.7 6.8 20.4 1,8951,571 1,587 1,572 1,577 734 RUN 8.8 58.8 996,997 175 -21.6 -25.0 3.5 RUN 1,059 -32.6 7.6 2/18/10 2,577 602 551 300 N/A 221 N/A 7.7 7.9 15.6 1,902 1,576 1,583 1,580 1,580 620 RUN 8.7 58.5 913,220 175 -18.9 -21.8 2.9 RUN 1,047 -27.6 5.8 2/19/10 2,733 633 574 324 N/A 231 13.0 13.1 0.0 26.02,064 1,618 1,612 1,598 1,609 702 RUN 9.6 64.0 993,975 175 -23.1 -26.9 3.8 RUN 1,115 -33.0 6.2 2/20/10 2,719 642 590 319 N/A 231 11.1 11.1 0.0 22.22,060 1,611 1,619 1,603 1,611 880 RUN 9.8 65.6 1,017,823175 -23.6 -27.3 3.7 RUN 1,000 -33.3 6.0 2/21/10 2,698 642 585 320 N/A 228 7.3 7.3 7.0 21.72,026 1,601 1,608 1,592 1,601 510 RUN 9.8 65.5 994,497 174 -21.5 -25.3 3.8 RUN 2,487 -32.0 6.8 2/22/10 2,730 645 581 320 N/A 228 14.0 3.9 4.2 22.22,0251,592 1,601 1,582 1,592 551 RUN 9.5 63.6 1,003,152 175 -22.0 -25.5 3.6 RUN 1,056 -32.6 7.1 2/23/10 2,795 645 592 325 N/A 251 12.3 12.3 N/A 24.52,062 1,638 1,622 1,619 1,626 607 RUN 9.8 65.4 993,042 174 -22.5 -26.3 3.8 RUN 1,002 -32.6 6.3 2/24/10 2,771 649 589 326 N/A 232 5.4 7.4 5.3 18.1 2,066 1,620 1,618 1,602 1,614 662 RUN 9.6 64.4 988,249 199 -21.9 -25.6 3.7 RUN 2,500 -33.5 7.9 2/25/10 2,762 645 587 318 N/A 239 8.2 8.0 7.8 24.02,0381,602 1,602 1,587 1,597 443 RUN 9.7 64.8 962,215 174 -20.6 -24.3 3.7 RUN 1,247 -31.1 6.8 2/26/10 2,796 647 584 324 N/A 227 8.2 8.2 8.2 24.52,043 1,632 1,619 1,595 1,615 756 RUN 9.8 65.4 997,925 175 -21.9 -25.5 3.6 RUN 1,070 -31.7 6.2 2/27/10 2,684 635 580 311 N/A 230 8.0 7.9 8.0 23.9 1,971 1,599 1,609 1,582 1,597 677 RUN 9.5 63.6 976,808 175 -21.1 -25.1 4.0 RUN 1,081 -30.9 5.8 2/28/10 2,759 641 583 316 N/A 234 9.0 9.0 8.9 26.92,013 1,602 1,608 1,582 1,597 656 RUN 9.7 64.9 983,756 176 -21.1 -24.6 3.6 RUN 1,015 -31.8 7.2 3/1/10 2,623 596 548 299 N/A 238 6.7 6.6 6.6 19.9 1,897 1,577 1,590 1,569 1,579 354 RUN 9.5 63.7 946,776 177 -19.1 -22.7 3.6 RUN 1,031 -28.2 5.5 3/2/10 2,794 591 531 322 N/A 239 6.6 6.6 6.6 19.82,0091,582 1,590 1,582 1,585 799 RUN 9.7 65.1 1,023,054 175 -22.5 -26.1 3.7 RUN 1,020 -35.6 9.5 3/3/10 2,798 583 521 321 N/A 237 7.3 7.3 7.5 22.1 2,0191,600 1,610 1,592 1,600 945 RUN 9.8 65.3 1,009,814 175 -22.0 -25.6 3.7 RUN 1,267 -32.0 6.4 3/4/10 2,789 642 585 323 N/A 238 7.3 7.3 7.2 21.82,050 1,607 1,613 1,584 1,601 976 RUN 9.8 65.3 1,013,195175 -22.3 -26.0 3.6 RUN 1,014 -32.9 7.0 3/5/10 2,516 608 553 296 N/A 210 7.4 0.2 7.3 15.0 1,883 1,579 1,596 1,580 1,585 944 RUN 9.8 65.3 916,413 172 -18.9 -22.3 3.4 RUN 1,022 -27.7 5.4 3/6/10 2,650 558 502 309 N/A 218 9.2 0.3 9.1 18.6 1,962 1,583 1,604 1,600 1,5961,255RUN 9.7 65.0 979,177 175 -21.2 -24.9 3.7 RUN 1,024 -30.5 5.6 3/7/10 2,905 644 578 328 N/A 242 8.6 8.6 8.3 25.52,084 1,614 1,615 1,599 1,6091,004RUN 9.8 65.7 1,035,634 174 -22.9 -26.6 3.7 RUN 1,024 -32.8 6.1 3/8/10 2,839 643 584 324 N/A 231 8.6 8.6 8.6 25.72,064 1,621 1,619 1,600 1,6131,211RUN 9.9 66.0 1,047,125175 -22.6 -26.2 3.6 RUN 1,024 -32.6 6.4 3/9/10 2,842 639 578 322 N/A 250 6.6 6.5 6.5 19.62,047 1,596 1,600 1,585 1,594 925 RUN 9.7 65.2 1,048,881 176 -22.7 -26.4 3.7 RUN 1,024 -33.4 6.9 3/10/10 2,811 633 570 326 N/A 238 8.1 8.1 8.0 24.22,064 1,605 1,613 1,602 1,6071,307RUN 9.9 66.4 1,088,428177 -24.1 -28.4 4.3 RUN 1,024 -36.1 7.7 3/11/10 2,807 636 573 325 N/A 228 8.7 9.0 8.9 26.72,0691,615 1,622 1,594 1,6101,118RUN 9.8 65.9 1,032,950 175 -22.8 -26.9 4.1 RUN 1,000 -33.8 6.9 3/12/10 2,764 635 571 326 N/A 235 8.5 8.5 8.4 25.42,053 1,619 1,623 1,604 1,6151,248RUN 9.9 66.2 1,034,437175 -23.0 -27.0 4.0 RUN 1,032 -34.4 7.4 3/13/10 2,800 625 575 324 N/A 231 8.2 8.1 8.2 24.52,056 1,603 1,611 1,595 1,6031,141RUN 9.9 66.2 1,036,090 175 -22.8 -26.7 3.9 RUN 1,023 -34.2 7.5 3/14/10 2,840 637 579 325 N/A 235 7.4 7.3 7.3 22.02,053 1,611 1,623 1,600 1,611 1,141RUN 9.8 65.7 1,047,508176 -22.8 -26.5 3.7 RUN 1,654 -33.7 7.3 3/15/10 2,798 644 587 323 N/A 235 2.3 9.9 9.8 22.1 2,043 1,613 1,619 1,603 1,6121,194RUN 9.9 66.1 1,033,250 175 -22.0 -25.8 3.8 RUN 1,009 -32.9 7.1 3/16/10 2,817 645 582 327 N/A 239 2.0 12.5 12.7 27.22,0681,623 1,628 1,598 1,6161,449RUN 9.9 66.2 1,053,777175 -23.2 -26.8 3.6 RUN 1,007 -33.8 7.0 3/17/10 2,795 631 564 325 N/A 234 6.4 6.4 6.1 18.92,054 1,617 1,628 1,607 1,6171,235RUN 9.8 65.7 1,024,849175 -22.2 -26.0 3.8 RUN 1,066 -32.7 6.7 3/18/10 2,445 592 530 282 N/A 197 8.3 8.2 0.0 16.4 1,740 1,559 1,570 1,588 1,572 492 RUN 8.2 54.6 917,674 180 -19.1 -22.6 3.6 RUN 2,467 -27.2 4.5 

### Sandow Unit 5 EGU ICR Testing - A BOILER

March, 2010 Metco Report # 10-140

Total Heat Input Boiler Specific

Electric Generation Entire Unit 5

Coal Feed Rate Steam Output Limestone Feed Rate ACyclone Inlet TempB Cyclone

Inlet Temp Scrubber Inlet PressureScrubber

Outlet Pressure Aq. Ammonia Flow RateACI

Carbon Injection ON/OFFACI

Carbon Injection DemandBrominated Carbon

Injection Rate Hydrated Lime Injection ON/OFF Baghouse Outlet PressureBaghouse

Pressure Drop Total Electric Generation Scrubber Pressure Drop Hydrated Lime Injection Rate Inlet Air Flow RateExit Flue

Gas Temp C Cyclone Inlet TempAvg.

Cyclone Temp