CO Emissions Analysis: O2 vs. Damper Position

OFA Portion to Total Airflow (%) 1COAXI172B

Hour of Operation: 720 Inlet Damper Positions (%open) Tons of CO 110.20 SWDamper1SGBKS0169 Average Hourly

Rate 306.12 SE Damper1SGBKS0170

Data Repl. Ratio (%) NWDamper1SGBKS0171 System Shut Down 0.00 NE Damper1SGBKS0172 Substituted Data 0.00 East Side O2 1COAXI079A Start Time Interval East Side O2 1SGAAZ0050 9/1/08 0:00 0:15:00

Run Date Period East Side West Side Boiler Excess O2%

9/16/08 0:00 3.07 2.51 2.83 9/16/08 0:15 3.07 2.64 2.85 9/16/08 0:30 3.12 2.93 3.04 9/16/08 0:45 3.18 2.83 3.01 9/16/08 1:00 3.01 2.84 2.93 9/16/08 1:15 2.86 2.69 2.79 9/16/08 1:30 3.31 3.00 3.14 9/16/08 1:45 3.22 2.74 3.00 9/16/08 2:00 3.07 2.58 2.82 9/16/08 2:15 3.20 2.66 2.94 9/16/08 2:30 3.14 2.58 2.85 9/16/08 2:45 3.33 2.67 3.02 9/16/08 3:00 3.30 2.70 3.03 9/16/08 3:15 3.28 2.62 2.97 9/16/08 3:30 3.16 2.65 2.91 9/16/08 3:45 3.24 2.63 2.96 9/16/08 4:00 3.13 2.66 2.90 9/16/08 4:15 3.23 2.67 2.94 9/16/08 4:30 3.16 2.69 2.93 9/16/08 4:45 3.15 2.69 2.94 9/16/08 5:00 3.10 2.61 2.87 9/16/08 5:15 3.23 2.59 2.94 9/16/08 5:30 3.19 2.58 2.91 9/16/08 5:45 3.16 2.54 2.86 9/16/08 6:00 3.13 2.55 2.85 9/16/08 6:15 3.12 2.55 2.87 9/16/08 6:30 3.13 2.56 2.86 9/16/08 6:45 3.07 2.64 2.87 9/16/08 7:00 3.16 2.64 2.92 9/16/08 7:15 3.12 2.82 2.98 9/16/08 7:30 3.36 2.96 3.16 9/16/08 7:45 2.97 2.51 2.75 9/16/08 8:00 3.02 2.64 2.83 9/16/08 8:15 3.03 2.51 2.77 9/16/08 8:30 2.91 2.56 2.74 

### Unit 1 PI Tags

COMPLIANCE CALCULA TION

O2 Values9/16/08 8:45 3.00 2.54 2.78

9/16/08 9:00 2.90 2.57 2.74 9/16/08 9:15 2.94 2.55 2.76 9/16/08 9:30 2.97 2.50 2.73 9/16/08 9:45 3.04 2.65 2.85 9/16/08 10:00 2.98 2.60 2.79 9/16/08 10:15 3.03 2.67 2.86 9/16/08 10:30 3.09 2.57 2.85 9/16/08 10:45 2.98 2.54 2.77 9/16/08 11:00 3.13 2.70 2.93 9/16/08 11:15 3.01 2.64 2.85 9/16/08 11:30 3.07 2.69 2.90 9/16/08 11:45 3.08 2.62 2.85 9/16/08 12:00 3.09 2.55 2.83 9/16/08 12:15 3.12 2.55 2.85 9/16/08 12:30 3.28 2.53 2.91 9/16/08 12:45 3.28 2.61 2.96 9/16/08 13:00 3.31 2.57 2.97 9/16/08 13:15 3.18 2.42 2.83 9/16/08 13:30 3.22 2.60 2.96 9/16/08 13:45 3.22 2.57 2.92 9/16/08 14:00 3.14 2.47 2.87 9/16/08 14:15 3.25 2.39 2.84 9/16/08 14:30 3.22 2.39 2.85 9/16/08 14:45 3.17 2.44 2.85 9/16/08 15:00 3.16 2.39 2.80 9/16/08 15:15 3.16 2.33 2.75 9/16/08 15:30 3.24 2.36 2.81 9/16/08 15:45 3.26 2.26 2.79 9/16/08 16:00 3.23 2.15 2.73 9/16/08 16:15 3.27 2.12 2.72 9/16/08 16:30 3.20 2.23 2.75 9/16/08 16:45 3.28 2.19 2.79 9/16/08 17:00 3.33 2.14 2.77 9/16/08 17:15 3.27 2.22 2.80 9/16/08 17:30 3.31 2.23 2.79 9/16/08 17:45 3.42 2.21 2.87 9/16/08 18:00 3.29 2.32 2.84 9/16/08 18:15 3.31 2.34 2.87 9/16/08 18:30 3.40 2.22 2.87 9/16/08 18:45 3.33 2.22 2.81 9/16/08 19:00 3.30 2.15 2.75 9/16/08 19:15 3.29 2.16 2.76 9/16/08 19:30 3.42 2.17 2.83 9/16/08 19:45 3.48 1.97 2.80 9/16/08 20:00 3.47 2.00 2.75 9/16/08 20:15 3.37 2.18 2.79 9/16/08 20:30 3.49 2.21 2.87 9/16/08 20:45 3.46 2.13 2.83 9/16/08 21:00 3.46 2.24 2.87 9/16/08 21:15 3.28 2.38 2.84 9/16/08 21:30 3.30 2.47 2.929/16/08 21:45 3.35 2.44 2.92

9/16/08 22:00 3.36 2.29 2.85 9/16/08 22:15 3.38 2.30 2.88 9/16/08 22:30 3.31 2.39 2.85 9/16/08 22:45 3.27 2.44 2.86 9/16/08 23:00 3.29 2.32 2.85 9/16/08 23:15 3.27 2.30 2.81 9/16/08 23:30 3.18 2.35 2.79 9/16/08 23:45 3.25 2.31 2.81OFA Total Flow (kpph) 1COAXI172C 1/3 Port Damper Positions (%open)

SWDamper1SGBKS0177 SE Damper1SGBKS0178 NWDamper1SGBKS0179 NE Damper1SGBKS0180

West Side O2 1COAXI080A

West Side O2 1SGAAZ0051

OFA Portioned Flow (% of total) Total OFA Flow Plenum Inlet 1/3 Port

8.2 638.28 98.6 0.0 7.6 583.33 98.6 0.0 6.5 507.38 98.6 0.0 6.0 471.01 98.6 0.0 6.0 456.86 98.6 0.0 6.0 451.82 98.7 0.0 6.0 440.05 98.7 0.0 5.9 464.76 98.7 0.0 5.9 455.15 98.7 0.0 5.9 462.96 98.7 0.0 5.9 452.84 98.7 0.0 5.8 444.99 98.7 0.0 5.8 467.04 98.7 0.0 5.5 437.14 98.7 0.0 4.8 377.83 98.7 0.0 4.4 358.11 98.7 0.0 4.4 355.49 98.7 0.0 4.4 358.37 98.7 0.0 4.4 357.81 98.7 0.0 4.5 356.57 98.7 0.0 4.5 356.68 98.7 0.0 4.5 357.83 98.7 0.0 4.5 357.12 98.7 0.0 4.5 355.31 98.7 0.0 4.5 355.63 98.7 0.0 4.5 353.62 98.7 0.0 4.5 353.49 98.7 0.0 4.5 350.85 98.7 0.0 4.6 347.48 98.7 0.0 4.6 319.59 98.7 0.0 4.6 347.24 98.7 0.0 4.6 347.79 98.7 0.0 4.6 349.84 98.7 0.0 4.6 349.12 98.7 0.0 4.6 348.22 98.7 0.0 OFA Operating Status4.6 348.93 98.7 0.0 4.6 348.55 98.7 0.0 4.7 351.10 98.7 0.0 4.7 348.95 98.7 0.0 4.7 350.33 98.7 0.0 4.7 349.02 98.7 0.0 4.7 350.43 98.7 0.0 4.7 349.61 98.7 0.0 4.7 348.80 98.7 0.0 4.7 351.62 98.7 0.0 4.8 350.62 98.7 0.0 5.0 404.84 98.7 0.0 5.8 438.22 98.7 0.0 6.6 514.53 98.7 0.0 6.7 514.95 98.7 0.0 7.6 590.40 98.6 0.0 8.3 654.48 98.6 0.0 8.4 665.06 98.6 0.0 8.4 665.39 98.6 0.0 8.4 667.22 98.6 0.0 8.4 671.73 98.6 0.0 8.4 671.62 98.6 0.0 8.4 668.89 98.6 0.0 8.4 670.35 98.6 0.0 8.4 665.75 98.5 0.0 8.4 666.21 98.5 0.0 8.4 665.76 98.5 0.0 8.4 666.28 98.5 0.0 8.4 667.16 98.5 0.0 8.4 667.31 98.5 0.0 8.5 667.15 98.5 0.0 8.5 668.64 98.5 0.0 8.5 668.69 98.5 0.0 8.5 669.21 98.5 0.0 8.5 668.95 98.4 0.0 8.5 667.59 98.4 0.0 8.5 668.35 98.4 0.0 8.5 667.56 98.4 0.0 8.6 686.36 98.4 0.0 8.7 690.83 98.4 0.0 8.7 689.37 98.4 0.0 8.8 690.13 98.4 0.0 8.9 689.38 98.4 0.0 9.0 703.05 98.4 0.0 9.2 747.08 98.4 0.0 9.4 743.98 98.4 0.0 9.7 758.09 98.4 0.0 9.9 761.72 98.4 0.0 10.0 762.33 98.4 0.0 10.0 764.96 98.5 0.0 10.0 774.22 98.5 0.0 9.9 776.19 98.5 0.09.9 774.93 98.5 0.0 9.9 776.97 98.5 0.0 9.9 775.70 98.5 0.0 9.9 777.04 98.5 0.0 9.9 768.67 98.5 0.0 9.8 768.24 98.5 0.0 9.8 774.39 98.5 0.0 9.8 776.52 98.5 0.0 9.8 777.32 98.5 0.02/3 Port Damper Positions (%open) Partitioned Flow (kpph) SWDamper1SGBKS0173 SWPorts SE Damper1SGBKS0174 SE Ports NWDamper1SGBKS0175 NWPorts NE Damper1SGBKS0176 NE Ports

Average Excess O2 1COAXI187A Heat Input Average Excess O2 (DCS Post-Outage)

Boiler Data

2/3 Port Heat Input OFA Condition CO (ppm)

47.4 8618.1 2/3 OFA - Throttled 62 42.6 8599.02/3 OFA - Throttled 60 37.1 8595.52/3 OFA - Throttled 47 34.8 8546.32/3 OFA - Throttled 49 34.9 8579.62/3 OFA - Throttled 54 34.9 8536.92/3 OFA - Throttled 66 34.9 8139.82/3 OFA - Throttled 41 35.0 8542.62/3 OFA - Throttled 49 35.0 8580.42/3 OFA - Throttled 63 35.0 8604.62/3 OFA - Throttled 54 35.1 8518.42/3 OFA - Throttled 60 35.1 8313.1 2/3 OFA - Throttled 48 35.2 8533.22/3 OFA - Throttled 47 32.8 8564.02/3 OFA - Throttled 51 27.4 8614.8No OFA 13 25.0 8605.7No OFA 11 25.0 8607.8No OFA 13 25.0 8601.4No OFA 12 25.0 8611.1 No OFA 12 25.0 8605.5No OFA 12 25.0 8611.4No OFA 14 25.0 8608.7No OFA 12 25.0 8606.4No OFA 13 25.0 8607.3No OFA 15 25.0 8612.4No OFA 15 25.0 8610.2 No OFA 14 25.0 8606.4No OFA 15 25.0 8582.4No OFA 14 25.0 8492.7No OFA 13 25.0 8060.4No OFA 11 25.0 8185.2 No OFA 7 25.0 8596.8No OFA 20 25.0 8598.0No OFA 16 25.0 8601.6No OFA 19 25.0 8604.4No OFA 20 Emissions25.2 8596.0No OFA 18 25.3 8601.2 No OFA 20 25.2 8604.3No OFA 19 25.2 8607.4No OFA 21 25.2 8584.3No OFA 15 25.2 8607.8No OFA 18 25.1 8591.8No OFA 15 25.1 8588.5No OFA 15 25.1 8610.4No OFA 19 25.1 8585.5No OFA 12 25.1 8612.0No OFA 15 31.3 8595.8No OFA 13 34.8 8596.52/3 OFA - Throttled 60 41.4 8602.92/3 OFA - Throttled 62 41.4 8597.82/3 OFA - Throttled 60 46.9 8601.22/3 OFA - Throttled 56 51.7 8593.72/3 OFA - Open 48 52.2 8583.42/3 OFA - Open 47 53.1 8621.42/3 OFA - Open 55 53.3 8571.62/3 OFA - Open 48 53.3 8599.02/3 OFA - Open 50 53.3 8613.72/3 OFA - Open 53 53.2 8600.62/3 OFA - Open 54 53.2 8608.62/3 OFA - Open 54 53.2 8595.32/3 OFA - Open 54 53.2 8599.22/3 OFA - Open 57 53.2 8601.42/3 OFA - Open 60 53.1 8597.22/3 OFA - Open 56 53.1 8591.02/3 OFA - Open 58 53.1 8608.62/3 OFA - Open 61 53.1 8603.82/3 OFA - Open 63 53.1 8599.42/3 OFA - Open 60 53.1 8600.42/3 OFA - Open 57 53.0 8603.32/3 OFA - Open 59 53.0 8604.32/3 OFA - Open 57 53.0 8593.92/3 OFA - Open 58 53.0 8591.92/3 OFA - Open 53 53.1 8600.22/3 OFA - Open 55 55.2 8586.02/3 OFA - Open 53 55.2 8602.82/3 OFA - Open 53 55.2 8604.62/3 OFA - Open 56 55.2 8603.32/3 OFA - Open 60 55.2 8610.1 2/3 OFA - Open 60 57.4 8584.82/3 OFA - Open 55 62.9 8608.52/3 OFA - Open 57 62.9 8596.52/3 OFA - Open 60 65.9 8597.82/3 OFA - Open 57 66.8 8591.72/3 OFA - Open 53 66.8 8601.32/3 OFA - Open 55 67.5 8599.62/3 OFA - Open 53 71.6 8599.22/3 OFA - Open 54 71.6 8606.72/3 OFA - Open 5071.6 8584.62/3 OFA - Open 50 71.6 8607.32/3 OFA - Open 54 71.7 8604.92/3 OFA - Open 52 71.7 8596.42/3 OFA - Open 54 68.6 8592.22/3 OFA - Open 53 68.0 8599.82/3 OFA - Open 54 65.4 8605.92/3 OFA - Open 56 65.2 8596.42/3 OFA - Open 58 65.6 8606.62/3 OFA - Open 56NEW DCS E/W O2 Tags

1SGAAZ0048E 1SGAAZ0048W 1SGAAZ0050E 1SGBFT0155 1SGAAZ0050W 1SGBFT0156 1SGAAZ0052E 1SGBFT0157 1GAAZ0052W 1SGBFT0158 %OFA Flow 1SGAPE0049 1SGBPETOFA

CO (lb/hr) Hourly Rate Tons/mo Average Hourly

440.37 415.19 47.44 263.58 425.10 415.17 263.68 334.19 393.87 263.77 344.25 385.98 263.86 381.40 371.24 47.62 263.93 461.32 380.29 264.01 276.48 365.86 264.08 348.33 366.88 264.15 440.65 381.70 47.82 264.23 380.76 361.56 264.30 421.53 397.82 264.39 331.02 393.49 264.48 335.19 367.13 48.00 264.55 361.84 362.40 264.62 92.47 280.13 264.63 80.70 217.55 264.60 93.26 157.07 48.08 264.53 85.16 87.90 264.40 86.76 86.47 264.28 84.18 87.34 264.16 100.99 89.27 48.12 264.04 85.52 89.36 263.92 92.76 90.87 263.80 105.50 96.19 263.69 106.24 97.51 48.17 263.57 101.76 101.56 263.46 104.71 104.55 263.35 101.27 103.49 263.25 88.58 99.08 48.22 263.13 72.15 91.68 263.02 46.65 77.16 262.89 138.16 86.39 262.77 112.72 92.42 48.27 262.65 131.55 107.27 262.55 143.11 131.38 262.46 Emissions127.53 128.73 262.37

142.92 136.27 48.33 262.28 135.74 137.32 262.20 148.33 138.63 262.11 107.19 133.55 262.03 127.31 129.64 48.40 261.94 105.14 121.99 261.84 106.43 111.52 261.74 134.43 118.33 261.64 87.77 108.44 48.45 261.54 108.51 109.29 261.44 94.63 106.33 261.33 427.19 179.52 261.28 438.88 267.30 48.59 261.28 426.81 346.88 261.34 394.35 421.81 261.45 339.78 399.95 261.54 335.47 374.10 48.77 261.62 388.24 364.46 261.68 338.65 350.53 261.74 354.63 354.25 261.81 374.30 363.95 48.96 261.87 382.66 362.56 261.94 381.88 373.37 262.02 379.87 379.67 262.10 399.85 386.06 49.15 262.18 422.39 395.99 262.27 395.25 399.34 262.36 405.34 405.71 262.45 430.19 413.29 49.36 262.56 438.65 417.36 262.66 424.36 424.64 262.77 403.89 424.27 262.87 411.79 419.67 49.57 262.98 402.49 410.63 263.08 404.90 405.77 263.17 371.57 397.69 263.26 385.74 391.17 49.76 263.34 371.90 383.53 263.42 372.45 375.41 263.50 396.07 381.54 263.58 423.39 390.95 49.96 263.66 420.21 403.03 263.75 387.73 406.85 263.85 402.74 408.52 263.94 420.70 407.85 50.16 264.04 404.06 403.81 264.13 371.07 399.64 264.22 389.25 396.27 264.31 372.89 384.32 50.35 264.38 384.26 379.37 264.46 354.54 375.23 264.53353.59 366.32 264.60

380.77 368.29 50.54 264.67 371.00 364.97 264.73 378.45 370.95 264.80 374.37 376.15 264.88 380.44 376.07 50.73 264.95 394.88 382.04 265.02 405.24 388.73 265.11 397.95 394.63 265.19CO Emissions Analysis: O2 vs. Damper Position

OFA Portion to Total Airflow (%)2COAXI172B

Hour of Operation: 661.5 Inlet Damper Positions (%open) Tons of CO 56.52 SWDamper2SGBKS0169 Average Hourly

Rate 170.89 SE Damper2SGBKS0170

Data Repl. Ratio (%) NWDamper2SGBKS0171 System Shut Down 8.299 NE Damper2SGBKS0172 Substitute Data 0.000 East Side O22COAXI079A Start Time Interval East Side O22SGAAZ0050 9/1/08 0:00 0:15:00

Run Date Period East Side West Side Boiler Excess O2%

9/17/08 0:00 2.40 3.15 2.78 9/17/08 0:15 2.49 3.12 2.80 9/17/08 0:30 2.53 3.17 2.85 9/17/08 0:45 2.57 3.14 2.85 9/17/08 1:00 2.59 3.14 2.87 9/17/08 1:15 2.64 3.21 2.93 9/17/08 1:30 2.56 3.05 2.80 9/17/08 1:45 2.53 3.03 2.78 9/17/08 2:00 2.55 3.09 2.82 9/17/08 2:15 2.51 3.13 2.82 9/17/08 2:30 2.57 3.19 2.88 9/17/08 2:45 2.54 3.23 2.89 9/17/08 3:00 2.53 3.19 2.86 9/17/08 3:15 2.59 3.21 2.90 9/17/08 3:30 2.60 3.19 2.89 9/17/08 3:45 2.60 3.25 2.93 9/17/08 4:00 2.57 3.23 2.90 9/17/08 4:15 2.57 3.26 2.92 9/17/08 4:30 2.56 3.21 2.88 9/17/08 4:45 2.66 3.35 3.01 9/17/08 5:00 2.65 3.26 2.95 9/17/08 5:15 2.63 3.30 2.96 9/17/08 5:30 2.56 3.25 2.90 9/17/08 5:45 2.49 3.22 2.85 9/17/08 6:00 2.63 3.15 2.89 9/17/08 6:15 2.48 3.08 2.78 9/17/08 6:30 2.54 3.08 2.81 9/17/08 6:45 2.48 3.10 2.79 9/17/08 7:00 2.45 3.14 2.79 9/17/08 7:15 2.47 3.19 2.84 9/17/08 7:30 2.47 3.29 2.88 9/17/08 7:45 2.50 3.29 2.89 9/17/08 8:00 2.37 3.50 2.94 9/17/08 8:15 2.33 3.42 2.87 9/17/08 8:30 2.46 3.42 2.94 

### Unit 2 PI Tags

COMPLIANCE CALCULA TION

O2 Values9/17/08 8:45 2.44 3.46 2.95

9/17/08 9:00 2.46 3.45 2.96 9/17/08 9:15 2.48 3.40 2.94 9/17/08 9:30 2.50 3.47 2.99 9/17/08 9:45 2.65 3.34 3.00 9/17/08 10:00 2.62 3.30 2.96 9/17/08 10:15 2.61 3.32 2.97 9/17/08 10:30 2.76 3.26 3.01 9/17/08 10:45 2.74 3.36 3.05 9/17/08 11:00 2.69 3.37 3.03 9/17/08 11:15 2.73 3.34 3.03 9/17/08 11:30 2.73 3.38 3.06 9/17/08 11:45 2.62 3.50 3.06 9/17/08 12:00 2.72 3.50 3.10 9/17/08 12:15 2.56 3.56 3.06 9/17/08 12:30 2.51 3.68 3.09 9/17/08 12:45 2.56 3.57 3.07 9/17/08 13:00 2.63 3.54 3.09 9/17/08 13:15 2.72 3.55 3.14 9/17/08 13:30 2.58 3.61 3.10 9/17/08 13:45 2.65 3.57 3.11 9/17/08 14:00 2.65 3.52 3.08 9/17/08 14:15 2.63 3.55 3.09 9/17/08 14:30 2.55 3.61 3.08 9/17/08 14:45 2.45 3.63 3.04 9/17/08 15:00 2.47 3.69 3.08 9/17/08 15:15 2.41 3.61 3.01 9/17/08 15:30 2.26 3.69 2.97 9/17/08 15:45 2.27 3.70 2.99 9/17/08 16:00 2.22 3.67 2.95 9/17/08 16:15 2.29 3.66 2.97 9/17/08 16:30 2.28 3.72 3.00 9/17/08 16:45 2.31 3.60 2.95 9/17/08 17:00 2.29 3.71 3.00 9/17/08 17:15 2.25 3.82 3.03 9/17/08 17:30 2.28 3.75 3.01 9/17/08 17:45 2.38 3.73 3.06 9/17/08 18:00 2.41 3.66 3.03 9/17/08 18:15 2.46 3.61 3.03 9/17/08 18:30 2.57 3.52 3.05 9/17/08 18:45 2.42 3.48 2.95 9/17/08 19:00 2.40 3.47 2.93 9/17/08 19:15 2.33 3.39 2.86 9/17/08 19:30 2.51 3.30 2.91 9/17/08 19:45 2.52 3.41 2.96 9/17/08 20:00 2.44 3.32 2.88 9/17/08 20:15 2.40 3.36 2.88 9/17/08 20:30 2.42 3.32 2.87 9/17/08 20:45 2.45 3.33 2.89 9/17/08 21:00 2.41 3.38 2.89 9/17/08 21:15 2.62 3.29 2.96 9/17/08 21:30 2.56 3.26 2.919/17/08 21:45 2.54 3.24 2.89

9/17/08 22:00 2.51 3.25 2.88 9/17/08 22:15 2.46 3.23 2.85 9/17/08 22:30 2.52 3.24 2.88 9/17/08 22:45 2.58 3.18 2.88 9/17/08 23:00 2.28 3.42 2.85 9/17/08 23:15 2.20 3.45 2.83 9/17/08 23:30 2.12 3.46 2.79 9/17/08 23:45 2.09 3.42 2.76OFA Total Flow (kpph)2COAXI172C 1/3 Port Damper Positions (%open)

SWDamper2SGBKS0177 SE Damper2SGBKS0178 NWDamper2SGBKS0179 NE Damper2SGBKS0180

West Side O22COAXI080A

West Side O22SGAAZ0051

OFA Portioned Flow (% of total) Total OFA Flow Plenum Inlet 1/3 Port

6.6 480.73 96.7 1.0 6.5 482.63 96.7 1.0 6.4 480.20 96.7 1.0 6.4 480.38 96.7 1.0 6.4 478.97 96.7 1.1 6.4 482.64 96.7 1.1 6.4 479.14 96.7 1.1 6.4 480.19 96.7 1.1 6.4 481.88 96.7 1.1 6.3 482.25 96.7 1.1 6.3 486.59 96.7 1.1 6.3 487.90 96.7 1.1 6.3 487.46 96.7 1.1 6.3 489.57 96.8 1.1 6.3 486.65 96.8 1.1 6.3 487.62 96.8 1.1 6.3 478.76 96.8 1.1 6.2 476.40 96.8 1.1 4.6 331.72 96.8 1.1 3.8 264.00 96.8 1.1 3.8 264.20 96.8 1.1 3.8 264.22 96.8 1.1 3.8 265.48 96.8 1.1 3.8 267.80 96.8 1.1 3.8 271.68 96.8 1.1 3.8 270.43 96.8 1.1 3.8 274.16 96.8 1.1 3.8 272.88 96.8 1.1 3.8 271.30 96.8 1.1 3.8 268.67 96.8 1.1 3.8 268.33 96.8 1.1 3.8 266.73 96.8 1.2 3.8 267.47 96.7 1.2 3.8 269.90 96.7 1.2 3.8 268.73 96.7 1.2 OFA Operating Status3.8 273.63 96.7 1.2 3.9 273.08 96.7 1.2 3.9 271.75 96.7 1.1 3.9 273.40 96.7 1.1 3.9 273.08 96.7 1.1 3.9 275.29 96.7 1.1 3.9 276.51 96.7 1.1 3.9 277.39 96.7 1.1 3.9 278.74 96.7 1.1 3.9 282.97 96.7 1.1 3.9 287.09 96.7 1.1 3.9 289.13 96.7 1.1 3.9 292.19 96.6 1.1 3.9 294.75 96.6 1.1 3.9 296.42 96.6 1.1 3.9 294.49 96.6 1.1 3.9 294.89 96.6 1.1 3.9 296.18 96.6 1.1 3.8 298.23 96.6 1.1 3.8 298.20 96.6 1.1 3.8 298.07 96.6 1.0 3.8 297.26 96.6 1.0 3.8 299.49 96.6 1.0 3.8 283.99 96.6 1.0 3.8 281.53 96.6 1.0 3.8 280.96 96.6 1.0 3.8 279.90 96.6 1.0 3.8 281.36 96.6 1.0 3.8 281.23 96.6 1.0 3.8 279.83 96.6 1.0 3.8 280.78 96.6 1.0 3.8 280.98 96.7 1.0 3.8 283.92 96.7 1.0 3.8 283.09 96.7 1.0 3.8 284.21 96.7 1.0 3.8 282.89 96.7 1.0 3.8 283.96 96.7 1.0 3.7 281.43 96.7 1.0 3.7 281.12 96.7 1.0 3.7 281.00 96.7 1.0 3.7 281.39 96.7 1.0 3.7 281.48 96.7 1.0 3.7 281.40 96.7 1.0 3.7 280.42 96.7 1.0 3.7 280.14 96.7 1.0 3.7 278.15 96.7 1.0 3.7 277.11 96.7 1.0 3.7 274.25 96.7 1.0 3.6 271.83 96.7 1.0 3.4 270.56 96.7 1.0 3.3 267.62 96.7 1.0 3.2 265.58 96.7 1.03.1 266.08 96.7 1.0 3.2 260.63 96.7 1.0 3.4 259.38 96.7 1.0 3.4 271.17 96.7 1.0 3.4 273.08 96.7 1.0 3.4 272.20 96.7 1.0 3.4 271.35 96.7 1.0 3.4 269.60 96.7 1.0 3.4 269.46 96.7 1.02/3 Port Damper Positions (%open) Partitioned Flow (kpph) SWDamper2SGBKS0173 SWPorts SE Damper2SGBKS0174 SE Ports NWDamper2SGBKS0175 NWPorts NE Damper2SGBKS0176 NE Ports

Average Excess O22COAXI187A Heat Input Average Excess O2 (DCS Post-Outage)

Boiler Data

2/3 Port Heat Input OFA Condition CO (ppm)

40.6 8345.622/3 OFA - Throttled 67 40.6 8350.302/3 OFA - Throttled 64 40.7 8348.162/3 OFA - Throttled 60 40.7 8356.002/3 OFA - Throttled 60 40.8 8346.422/3 OFA - Throttled 59 40.8 8356.732/3 OFA - Throttled 54 40.8 8350.102/3 OFA - Throttled 65 40.9 8351.652/3 OFA - Throttled 67 40.9 8350.452/3 OFA - Throttled 63 40.9 8344.932/3 OFA - Throttled 63 41.0 8327.562/3 OFA - Throttled 58 41.0 8326.482/3 OFA - Throttled 57 41.0 8331.642/3 OFA - Throttled 60 41.0 8317.472/3 OFA - Throttled 56 41.1 8320.202/3 OFA - Throttled 57 41.1 8304.01 2/3 OFA - Throttled 54 41.1 8202.262/3 OFA - Throttled 56 41.1 8134.51 2/3 OFA - Throttled 55 26.2 8114.35No OFA 14 20.8 8048.10No OFA 10 20.8 8032.64No OFA 12 20.9 8033.94No OFA 11 20.9 8081.37No OFA 13 20.9 8151.57No OFA 15 20.9 8224.88No OFA 14 20.9 8293.66No OFA 18 20.9 8339.71 No OFA 17 20.9 8347.67No OFA 18 20.9 8346.23No OFA 18 20.9 8343.19No OFA 16 20.9 8352.09No OFA 14 20.9 8349.97No OFA 13 20.9 8351.93No OFA 12 20.9 8356.66No OFA 14 20.7 8344.12 No OFA 12 Emissions20.7 8351.40No OFA 12 20.7 8354.65No OFA 11 20.7 8354.06No OFA 12 20.7 8356.85No OFA 11 20.7 8346.40No OFA 10 20.7 8353.65No OFA 11 20.7 8351.68No OFA 11 20.7 8347.88No OFA 10 20.7 8343.38No OFA 9 20.7 8352.74No OFA 9 20.7 8351.48No OFA 9 20.7 8349.57No OFA 9 20.7 8352.53No OFA 9 20.7 8344.57No OFA 8 20.7 8354.58No OFA 9 20.7 8351.52 No OFA 8 20.7 8353.70No OFA 9 20.7 8350.50No OFA 8 20.7 8353.81 No OFA 7 20.7 8354.02 No OFA 8 20.7 8349.74No OFA 8 20.7 8348.72 No OFA 8 20.7 8352.59No OFA 8 20.7 8351.00No OFA 8 20.7 8354.05No OFA 9 20.7 8350.74No OFA 8 20.7 8346.90No OFA 10 20.7 8354.71 No OFA 11 20.7 8353.35No OFA 11 20.8 8352.73No OFA 12 20.8 8351.80No OFA 11 20.8 8357.44No OFA 10 20.7 8352.79No OFA 12 20.7 8349.85No OFA 10 20.7 8354.33No OFA 9 20.7 8353.89No OFA 10 20.7 8351.07No OFA 9 20.7 8352.89No OFA 9 20.7 8351.03No OFA 9 20.7 8342.30No OFA 9 20.7 8358.17No OFA 12 20.7 8343.42 No OFA 12 20.7 8361.10No OFA 15 20.7 8345.93No OFA 13 20.7 8332.24No OFA 11 20.7 8354.92 No OFA 14 20.7 8361.65No OFA 14 20.7 8355.29No OFA 14 20.7 8343.03No OFA 14 20.7 8330.48No OFA 14 20.8 8327.35No OFA 11 20.8 8324.55No OFA 1320.8 8338.48No OFA 13 20.8 8327.41 No OFA 14 20.8 8327.82 No OFA 15 20.8 8329.40No OFA 14 20.8 8324.68No OFA 14 20.8 8332.03No OFA 15 20.8 8330.33No OFA 16 20.8 8334.07No OFA 18 20.8 8328.79No OFA 20NEW DCS E/W O2 Tags

2SGAAZ0048E 2SGAAZ0048W 2SGAAZ0050E 2SGBFT0155 2SGAAZ0050W 2SGBFT0156 2SGAAZ0052E 2SGBFT0157 2SGAAZ0052W 2SGBFT0158 %OFA Flow 2SGAPE0049 2SGBPETOFA

CO (lb/hr) Average Hourly Tons/mo

457.67 478.05 30.67 159.52 440.99 469.55 159.72 411.73 445.98 159.91 411.87 430.57 160.09 403.66 417.06 30.88 160.25 374.59 400.46 160.41 441.63 407.94 160.57 455.64 418.88 160.74 430.24 425.53 31.09 160.91 428.17 438.92 161.09 396.87 427.73 161.26 392.64 411.98 161.43 408.65 406.58 31.30 161.58 385.28 395.86 161.74 388.95 393.88 161.89 372.17 388.76 162.03 380.56 381.74 31.49 162.17 369.52 377.80 162.31 92.52 303.69 162.40 66.91 227.38 162.45 76.39 151.34 31.56 162.44 74.96 77.70 162.38 87.39 76.42 162.33 100.67 84.86 162.28 92.75 88.94 31.61 162.23 125.27 101.52 162.19 116.34 108.76 162.16 122.58 114.24 162.13 120.70 121.22 31.67 162.10 107.92 116.88 162.07 96.32 111.88 162.04 92.73 104.42 162.00 82.79 94.94 31.72 161.96 97.54 92.35 161.92 82.31 88.84 161.87 Emissions79.45 85.52 161.82

79.18 84.62 31.76 161.77 82.59 80.88 161.72 73.30 78.63 161.67 71.03 76.53 161.61 78.24 76.29 31.80 161.56 76.82 74.85 161.50 68.78 73.72 161.45 62.23 71.52 161.39 65.70 68.38 31.83 161.33 64.91 65.40 161.27 61.11 63.49 161.21 61.18 63.23 161.15 54.70 60.48 31.86 161.08 61.17 59.54 161.02 56.33 58.35 160.95 59.86 58.02 160.89 56.39 58.44 31.89 160.83 50.16 55.69 160.76 55.25 55.42 160.69 54.29 54.02 160.63 57.49 54.30 31.92 160.56 56.74 55.94 160.49 57.88 56.60 160.43 64.23 59.09 160.36 58.17 59.26 31.95 160.30 68.18 62.12 160.24 75.40 66.49 160.18 73.14 68.72 160.12 80.11 74.21 31.98 160.07 75.38 76.01 160.02 71.21 74.96 159.96 79.84 76.64 159.91 71.24 74.42 32.02 159.86 64.84 71.78 159.80 68.39 71.08 159.75 61.48 66.49 159.69 65.36 65.02 32.05 159.63 64.98 65.05 159.57 62.75 63.64 159.51 80.28 68.34 159.45 83.65 72.92 32.09 159.40 102.20 82.22 159.35 89.13 88.82 159.31 77.20 88.05 159.27 95.64 91.04 32.14 159.22 96.59 89.64 159.18 99.56 92.25 159.14 93.28 96.27 159.10 92.65 95.52 32.18 159.06 78.77 91.07 159.02 87.92 88.16 158.9792.38 87.93 158.93

95.31 88.60 32.23 158.89 104.49 95.03 158.85 96.27 97.11 158.81 95.70 97.94 158.77 103.89 100.09 32.28 158.74 109.76 101.41 158.70 122.37 107.93 158.67 133.02 117.26 158.64