CO Emissions Analysis: O2 vs. Damper Position

OFA Portion to Total Airflow (%) 1COAXI172B

Hour of Operation: 718.75 Inlet Damper Positions (%open) Tons of CO 6.61 SWDamper1SGBKS0169 Average Hourly

Rate 18.38 SE Damper1SGBKS0170 Data Repl. Ratio (%) NWDamper1SGBKS0171 System Shut Down 0.28 NE Damper1SGBKS0172 Substituted Data 0.00 East Side O2 1COAXI079A Start Time Interval East Side O2 1SGAAZ0050 9/1/09 0:00 0:15:00

Run Date Period East Side West Side Boiler Excess O2%

9/15/09 0:00 3.54 4.34 3.93 9/15/09 0:15 3.90 4.52 4.19 9/15/09 0:30 4.06 4.72 4.37 9/15/09 0:45 4.09 4.89 4.47 9/15/09 1:00 4.22 5.21 4.70 9/15/09 1:15 4.52 5.44 4.96 9/15/09 1:30 4.52 5.57 5.02 9/15/09 1:45 4.65 5.69 5.15 9/15/09 2:00 4.83 5.86 5.32 9/15/09 2:15 5.03 6.01 5.49 9/15/09 2:30 5.22 6.20 5.69 9/15/09 2:45 5.20 6.28 5.71 9/15/09 3:00 5.41 6.50 5.93 9/15/09 3:15 5.67 6.70 6.16 9/15/09 3:30 5.64 6.66 6.12 9/15/09 3:45 5.78 6.78 6.27 9/15/09 4:00 5.86 6.77 6.28 9/15/09 4:15 5.86 6.79 6.29 9/15/09 4:30 6.05 6.84 6.43 9/15/09 4:45 6.08 6.77 6.40 9/15/09 5:00 6.04 6.87 6.43 9/15/09 5:15 5.80 6.85 6.30 9/15/09 5:30 5.74 6.84 6.23 9/15/09 5:45 5.46 6.63 6.02 9/15/09 6:00 5.23 6.61 5.89 9/15/09 6:15 5.14 6.25 5.68 9/15/09 6:30 4.94 6.12 5.51 9/15/09 6:45 4.80 6.03 5.38 9/15/09 7:00 4.57 5.50 5.00 9/15/09 7:15 4.24 4.98 4.60 9/15/09 7:30 3.83 4.68 4.25 9/15/09 7:45 3.47 4.28 3.84 9/15/09 8:00 3.24 4.23 3.70 9/15/09 8:15 3.08 4.04 3.55 9/15/09 8:30 3.06 4.06 3.52 

### Unit 1 PI Tags

COMPLIANCE CALCULA TION

O2 Values9/15/09 8:45 3.23 4.02 3.60

9/15/09 9:00 3.31 3.88 3.58 9/15/09 9:15 3.16 3.92 3.52 9/15/09 9:30 3.06 4.04 3.52 9/15/09 9:45 3.01 3.99 3.48 9/15/09 10:00 3.03 3.94 3.45 9/15/09 10:15 2.92 3.87 3.37 9/15/09 10:30 2.85 3.81 3.31 9/15/09 10:45 2.85 3.75 3.27 9/15/09 11:00 2.76 3.66 3.18 9/15/09 11:15 2.82 3.54 3.16 9/15/09 11:30 2.82 3.64 3.20 9/15/09 11:45 2.87 3.73 3.30 9/15/09 12:00 2.85 3.73 3.26 9/15/09 12:15 2.81 3.72 3.22 9/15/09 12:30 2.80 3.84 3.30 9/15/09 12:45 2.81 3.78 3.28 9/15/09 13:00 2.93 3.86 3.36 9/15/09 13:15 2.87 3.84 3.34 9/15/09 13:30 2.86 3.91 3.38 9/15/09 13:45 2.97 3.92 3.40 9/15/09 14:00 2.95 4.01 3.46 9/15/09 14:15 3.00 4.07 3.49 9/15/09 14:30 2.96 4.17 3.54 9/15/09 14:45 2.99 4.25 3.57 9/15/09 15:00 3.02 4.23 3.58 9/15/09 15:15 3.06 4.21 3.60 9/15/09 15:30 2.91 4.14 3.50 9/15/09 15:45 2.90 4.00 3.43 9/15/09 16:00 2.80 3.89 3.31 9/15/09 16:15 2.70 3.82 3.23 9/15/09 16:30 2.70 3.74 3.19 9/15/09 16:45 2.76 3.81 3.24 9/15/09 17:00 2.84 3.95 3.37 9/15/09 17:15 2.95 3.87 3.39 9/15/09 17:30 2.87 3.84 3.33 9/15/09 17:45 2.91 3.86 3.36 9/15/09 18:00 2.88 3.81 3.33 9/15/09 18:15 2.79 3.78 3.26 9/15/09 18:30 2.86 3.78 3.29 9/15/09 18:45 2.93 3.80 3.35 9/15/09 19:00 2.89 3.83 3.32 9/15/09 19:15 2.81 3.88 3.30 9/15/09 19:30 2.72 3.84 3.24 9/15/09 19:45 2.74 3.91 3.29 9/15/09 20:00 2.85 3.90 3.36 9/15/09 20:15 2.82 3.88 3.32 9/15/09 20:30 2.79 3.97 3.34 9/15/09 20:45 2.83 3.94 3.35 9/15/09 21:00 2.77 3.97 3.34 9/15/09 21:15 2.77 4.06 3.38 9/15/09 21:30 2.69 4.02 3.319/15/09 21:45 2.83 3.99 3.39

9/15/09 22:00 2.80 4.06 3.39 9/15/09 22:15 2.82 4.15 3.42 9/15/09 22:30 2.75 4.12 3.40 9/15/09 22:45 2.78 4.11 3.41 9/15/09 23:00 2.88 4.05 3.43 9/15/09 23:15 2.99 4.05 3.48 9/15/09 23:30 3.13 4.11 3.59 9/15/09 23:45 3.26 4.22 3.73OFA 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

2.4 167.25 99.0 0.5 2.1 148.47 99.0 0.5 2.2 153.03 99.0 0.5 2.2 143.59 99.0 0.5 2.2 138.32 99.0 0.5 1.9 134.68 99.0 0.5 2.1 122.29 99.0 0.5 2.1 124.00 99.0 0.5 1.9 124.02 99.0 0.5 2.1 124.48 99.0 0.5 1.9 120.46 99.0 0.5 1.8 115.77 99.0 0.5 2.0 113.30 99.0 0.5 2.0 114.59 99.0 0.5 2.0 114.52 99.0 0.5 2.0 115.81 99.0 0.5 2.0 116.48 99.0 0.5 2.1 117.01 99.0 0.5 2.1 117.48 99.0 0.5 2.2 118.14 99.0 0.5 2.1 118.61 99.0 0.5 2.0 117.21 99.0 0.5 1.9 115.03 99.0 0.5 1.9 116.23 99.0 0.5 2.0 117.37 99.0 0.5 2.0 119.53 99.0 0.5 1.9 119.71 99.0 0.5 1.9 126.79 99.0 0.5 2.1 148.35 99.0 0.5 2.0 155.06 99.0 0.5 2.1 163.69 99.0 0.5 2.2 187.62 99.0 0.5 2.5 216.99 99.0 0.5 2.6 222.90 99.0 0.5 2.6 219.16 99.0 0.5 OFA Operating Status2.5 218.67 99.0 0.5 2.6 217.74 99.0 0.5 2.5 218.12 99.0 0.5 2.6 220.26 99.0 0.5 2.5 219.19 99.0 0.5 2.6 218.40 99.0 0.5 2.6 217.96 99.0 0.5 2.6 215.64 99.0 0.5 2.6 212.78 99.0 0.4 2.5 207.26 99.0 0.4 2.5 200.39 99.0 0.4 2.5 204.92 99.0 0.4 2.4 209.01 99.0 0.4 2.6 206.91 99.0 0.4 2.4 204.66 99.0 0.4 2.6 207.04 99.0 0.4 2.6 209.31 99.0 0.4 2.5 211.36 99.0 0.4 2.6 207.85 99.0 0.4 2.4 208.74 99.0 0.4 2.6 213.92 99.0 0.4 2.5 214.72 98.9 0.4 2.4 212.10 98.9 0.4 2.5 214.00 98.9 0.4 2.5 215.47 98.9 0.4 2.4 217.89 98.9 0.4 2.5 217.39 98.9 0.4 2.5 214.70 98.9 0.4 2.6 213.31 98.9 0.4 2.6 210.89 98.9 0.4 2.6 210.04 98.9 0.4 2.6 211.77 98.9 0.4 2.6 211.42 98.9 0.4 2.6 212.80 98.9 0.4 2.6 212.45 98.9 0.4 2.6 214.37 98.9 0.4 2.6 211.01 98.9 0.4 2.6 209.81 98.9 0.4 2.5 214.51 98.9 0.4 2.6 210.60 98.9 0.4 2.6 212.83 98.9 0.4 2.6 212.42 98.9 0.4 2.6 208.82 98.9 0.4 2.6 208.57 98.9 0.4 2.6 210.52 98.9 0.4 2.6 211.16 98.9 0.4 2.6 210.07 98.9 0.4 2.6 210.23 98.9 0.4 2.5 212.74 98.9 0.4 2.8 216.55 98.9 0.4 2.6 214.97 98.9 0.4 2.7 214.58 98.9 0.42.6 214.76 98.9 0.4 2.6 215.88 98.9 0.4 2.7 216.11 98.9 0.4 2.6 211.78 98.9 0.4 2.5 207.01 98.9 0.4 2.2 178.62 98.9 0.4 2.3 172.71 98.9 0.4 2.2 167.62 98.9 0.4 2.5 166.31 98.9 0.42/3 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)

0.3 7127.1 No OFA 1 0.3 6802.9No OFA 1 0.3 6815.6No OFA 1 0.3 6702.6No OFA 0 0.3 6445.9No OFA 0 0.3 6319.6No OFA 0 0.3 6164.1 No OFA 0 0.3 6001.6No OFA 0 0.3 5785.8No OFA 0 0.3 5617.6No OFA 0 0.4 5405.6No OFA 0 0.4 5220.3No OFA 0 0.4 5107.2No OFA 0 0.4 5017.6No OFA 0 0.4 4972.2No OFA 0 0.4 4902.1 No OFA 0 0.4 4886.8No OFA 0 0.4 4793.5No OFA 0 0.4 4731.0No OFA 0 0.3 4728.1 No OFA 0 0.3 4731.5No OFA 0 0.3 4855.9No OFA 0 0.3 4911.5No OFA 0 0.3 5042.4No OFA 0 0.3 5201.8No OFA 0 0.3 5457.1 No OFA 0 0.3 5675.3No OFA 0 0.3 5867.7No OFA 0 0.3 6348.7No OFA 0 0.3 6785.1 No OFA 0 0.3 7253.6No OFA 1 0.3 7744.9No OFA 2 0.3 8227.0No OFA 2 0.3 8574.0No OFA 3 0.3 8590.1 No OFA 3 Emissions0.3 8598.2No OFA 3 0.3 8597.0No OFA 3 0.3 8606.1 No OFA 3 0.3 8599.0No OFA 3 0.3 8605.7No OFA 3 0.3 8596.3No OFA 3 0.3 8596.1 No OFA 4 0.3 8595.8No OFA 5 0.3 8596.5No OFA 5 0.3 8594.5No OFA 7 0.3 8600.5No OFA 7 0.3 8592.9No OFA 6 0.2 8601.4No OFA 5 0.2 8602.8No OFA 5 0.2 8590.6No OFA 6 0.2 8595.3No OFA 5 0.2 8601.5No OFA 5 0.2 8599.8No OFA 4 0.2 8601.4No OFA 4 0.2 8593.3No OFA 4 0.2 8599.2No OFA 4 0.2 8601.5No OFA 3 0.2 8592.4No OFA 3 0.2 8601.6No OFA 3 0.2 8600.7No OFA 3 0.2 8601.0No OFA 3 0.2 8599.4No OFA 3 0.2 8604.8No OFA 3 0.2 8590.7No OFA 4 0.2 8598.3No OFA 5 0.2 8598.8No OFA 6 0.2 8579.1 No OFA 6 0.2 8610.0No OFA 6 0.1 8585.8No OFA 4 0.1 8583.3No OFA 4 0.1 8623.8No OFA 5 0.1 8602.6No OFA 4 0.1 8592.5No OFA 5 0.1 8614.3No OFA 5 0.1 8599.0No OFA 5 0.1 8591.1 No OFA 4 0.1 8610.5No OFA 5 0.1 8592.6No OFA 5 0.1 8600.8No OFA 6 0.1 8593.5No OFA 5 0.1 8585.2No OFA 4 0.1 8602.9No OFA 5 0.1 8590.0No OFA 4 0.1 8599.7No OFA 4 0.1 8598.4No OFA 5 0.1 8597.1 No OFA 4 0.1 8607.4No OFA 50.1 8584.5No OFA 4 0.1 8594.7No OFA 4 0.1 8604.4No OFA 4 0.1 8601.7No OFA 4 0.1 8552.5No OFA 4 0.1 8238.3No OFA 4 0.1 8023.1 No OFA 3 0.1 7867.7No OFA 3 0.1 7723.1 No OFA 2NEW 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

8.03 15.57 2.68 16.00 4.70 10.13 16.00 3.48 6.60 15.99 2.89 4.78 15.98 1.92 3.25 2.69 15.97 1.26 2.39 15.96 1.13 1.80 15.95 0.91 1.31 15.94 0.69 1.00 2.69 15.93 0.54 0.82 15.92 0.40 0.63 15.91 0.37 0.50 15.89 0.28 0.39 2.69 15.88 0.20 0.31 15.87 0.21 0.27 15.86 0.18 0.22 15.85 0.17 0.19 2.69 15.84 0.17 0.18 15.83 0.14 0.16 15.81 0.15 0.16 15.80 0.14 0.15 2.69 15.79 0.17 0.15 15.78 0.18 0.16 15.77 0.24 0.19 15.76 0.30 0.22 2.69 15.75 0.40 0.28 15.73 0.53 0.37 15.72 0.64 0.47 15.71 1.19 0.69 2.69 15.70 2.38 1.18 15.69 4.55 2.19 15.68 10.30 4.60 15.67 14.44 7.92 2.69 15.67 20.49 12.45 15.66 21.84 16.77 15.67 Emissions18.47 18.81 15.67

19.26 20.02 2.70 15.67 21.95 20.38 15.67 22.06 20.44 15.68 24.05 21.83 15.68 25.43 23.37 2.71 15.69 30.40 25.48 15.69 34.82 28.67 15.70 38.46 32.28 15.72 47.31 37.75 2.73 15.73 49.48 42.52 15.75 44.84 45.02 15.77 35.51 44.28 15.79 39.43 42.32 2.75 15.81 42.40 40.55 15.83 35.55 38.22 15.85 37.61 38.75 15.86 31.17 36.68 2.77 15.88 32.32 34.16 15.89 30.01 32.78 15.90 28.71 30.55 15.91 24.73 28.94 2.79 15.92 23.28 26.68 15.93 21.17 24.47 15.94 19.68 22.22 15.94 19.51 20.91 2.80 15.94 18.61 19.74 15.95 22.74 20.14 15.95 26.43 21.82 15.95 34.85 25.66 2.81 15.96 41.90 31.48 15.97 45.68 37.22 15.99 40.75 40.80 16.00 30.48 39.70 2.83 16.02 29.05 36.49 16.04 33.48 33.44 16.05 31.34 31.09 16.06 33.33 31.80 2.84 16.07 39.35 34.38 16.08 36.49 35.13 16.10 32.00 35.29 16.11 34.15 35.50 2.86 16.12 35.95 34.65 16.14 40.56 35.66 16.15 36.28 36.73 16.17 31.25 36.01 2.88 16.18 34.02 35.53 16.19 32.16 33.43 16.20 31.46 32.22 16.22 32.73 32.59 2.90 16.23 29.77 31.53 16.24 34.88 32.21 16.2528.74 31.53 16.26

29.40 30.70 2.91 16.27 27.06 30.02 16.28 28.66 28.47 16.29 27.45 28.14 16.30 25.74 27.23 2.93 16.30 22.34 26.05 16.31 17.20 23.18 16.32 12.89 19.54 16.32CO Emissions Analysis: O2 vs. Damper Position

OFA Portion to Total Airflow (%)2COAXI172B

Hour of Operation: 720 Inlet Damper Positions (%open) Tons of CO 5.85 SWDamper2SGBKS0169 Average Hourly

Rate 16.24 SE Damper2SGBKS0170 Data Repl. Ratio (%) NWDamper2SGBKS0171 System Shut Down 0.000 NE Damper2SGBKS0172 Substitute Data 0.000 East Side O22COAXI079A Start Time Interval East Side O22SGAAZ0050 9/1/09 0:00 0:15:00

Run Date Period East Side West Side Boiler Excess O2%

9/16/09 0:00 4.87 2.83 3.85 9/16/09 0:15 5.07 3.32 4.20 9/16/09 0:30 5.04 4.05 4.55 9/16/09 0:45 5.07 3.98 4.52 9/16/09 1:00 5.17 4.07 4.62 9/16/09 1:15 5.59 3.90 4.74 9/16/09 1:30 5.69 4.01 4.85 9/16/09 1:45 5.79 4.31 5.05 9/16/09 2:00 5.84 4.54 5.19 9/16/09 2:15 6.07 4.80 5.44 9/16/09 2:30 6.14 4.76 5.45 9/16/09 2:45 6.30 4.55 5.43 9/16/09 3:00 6.52 4.95 5.74 9/16/09 3:15 6.55 5.04 5.79 9/16/09 3:30 6.64 5.19 5.92 9/16/09 3:45 6.78 5.48 6.13 9/16/09 4:00 6.95 5.66 6.30 9/16/09 4:15 7.37 6.11 6.74 9/16/09 4:30 7.31 6.02 6.66 9/16/09 4:45 7.09 6.45 6.77 9/16/09 5:00 7.08 6.54 6.81 9/16/09 5:15 6.47 5.99 6.23 9/16/09 5:30 6.26 5.36 5.81 9/16/09 5:45 6.17 5.02 5.59 9/16/09 6:00 6.29 5.10 5.70 9/16/09 6:15 6.33 5.08 5.70 9/16/09 6:30 6.07 5.07 5.57 9/16/09 6:45 5.90 5.20 5.55 9/16/09 7:00 5.24 4.85 5.04 9/16/09 7:15 5.13 3.89 4.51 9/16/09 7:30 4.94 3.38 4.16 9/16/09 7:45 4.67 3.26 3.97 9/16/09 8:00 4.32 3.31 3.81 9/16/09 8:15 4.19 3.14 3.67 9/16/09 8:30 4.26 2.84 3.55 

### Unit 2 PI Tags

COMPLIANCE CALCULA TION

O2 Values9/16/09 8:45 4.28 2.72 3.50

9/16/09 9:00 4.30 2.73 3.51 9/16/09 9:15 4.30 2.68 3.49 9/16/09 9:30 4.42 2.64 3.53 9/16/09 9:45 4.34 2.67 3.50 9/16/09 10:00 4.24 2.59 3.41 9/16/09 10:15 4.31 2.50 3.40 9/16/09 10:30 4.18 2.85 3.51 9/16/09 10:45 4.03 2.85 3.44 9/16/09 11:00 4.05 2.49 3.27 9/16/09 11:15 3.98 2.72 3.35 9/16/09 11:30 3.86 2.70 3.28 9/16/09 11:45 3.82 2.75 3.29 9/16/09 12:00 3.90 2.72 3.31 9/16/09 12:15 3.83 2.77 3.30 9/16/09 12:30 3.91 2.91 3.41 9/16/09 12:45 3.97 2.89 3.43 9/16/09 13:00 3.94 2.80 3.37 9/16/09 13:15 3.96 2.68 3.32 9/16/09 13:30 3.95 2.78 3.37 9/16/09 13:45 3.97 2.78 3.37 9/16/09 14:00 4.02 2.89 3.46 9/16/09 14:15 4.01 3.04 3.52 9/16/09 14:30 4.03 2.94 3.49 9/16/09 14:45 4.00 3.03 3.51 9/16/09 15:00 4.07 2.92 3.50 9/16/09 15:15 4.18 2.86 3.52 9/16/09 15:30 4.04 2.87 3.45 9/16/09 15:45 4.04 2.88 3.46 9/16/09 16:00 3.82 2.96 3.39 9/16/09 16:15 3.66 2.89 3.28 9/16/09 16:30 3.72 2.79 3.26 9/16/09 16:45 3.80 2.71 3.25 9/16/09 17:00 3.77 2.69 3.23 9/16/09 17:15 3.89 2.84 3.37 9/16/09 17:30 4.15 2.85 3.50 9/16/09 17:45 4.16 2.96 3.56 9/16/09 18:00 4.24 2.96 3.60 9/16/09 18:15 4.16 2.91 3.53 9/16/09 18:30 4.10 2.98 3.54 9/16/09 18:45 4.06 3.07 3.56 9/16/09 19:00 4.00 2.94 3.47 9/16/09 19:15 4.03 2.81 3.42 9/16/09 19:30 4.06 2.78 3.42 9/16/09 19:45 4.00 2.85 3.42 9/16/09 20:00 3.97 2.65 3.31 9/16/09 20:15 3.96 2.63 3.29 9/16/09 20:30 3.94 2.68 3.31 9/16/09 20:45 3.90 2.76 3.33 9/16/09 21:00 3.89 2.91 3.40 9/16/09 21:15 3.82 2.91 3.36 9/16/09 21:30 3.85 2.98 3.429/16/09 21:45 3.61 3.20 3.41

9/16/09 22:00 3.53 3.22 3.37 9/16/09 22:15 3.61 3.14 3.37 9/16/09 22:30 3.71 3.06 3.39 9/16/09 22:45 3.75 3.14 3.44 9/16/09 23:00 3.83 3.02 3.42 9/16/09 23:15 3.95 2.74 3.35 9/16/09 23:30 4.16 3.00 3.58 9/16/09 23:45 4.18 2.97 3.58OFA 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

5.0 348.52 97.1 0.7 4.9 330.17 97.2 0.7 4.9 344.11 97.2 0.7 5.0 345.13 97.2 0.7 5.1 348.72 97.2 0.7 5.2 350.86 97.2 0.7 5.3 344.03 97.2 0.7 5.4 331.94 97.2 0.7 5.4 324.57 97.3 0.7 5.5 327.32 97.3 0.7 5.7 319.23 97.3 0.7 5.4 333.10 97.3 0.7 5.7 329.72 97.3 0.7 5.9 325.79 97.3 0.7 6.0 318.53 97.3 0.7 6.1 312.13 97.4 0.7 6.1 305.31 97.4 0.7 5.9 293.87 97.4 0.7 6.1 295.92 97.4 0.7 10.0 496.18 97.4 0.7 1.9 89.36 97.4 0.7 2.0 94.15 97.4 0.7 2.2 98.32 97.4 0.7 2.2 102.29 97.5 0.7 2.0 103.78 97.5 0.7 2.1 104.61 97.5 0.7 2.2 124.47 97.5 0.7 2.2 140.03 97.5 0.7 2.1 138.07 97.5 0.7 1.9 111.96 97.5 0.7 2.0 116.82 97.5 0.7 2.0 148.88 97.4 0.7 2.1 178.55 97.4 0.7 2.3 179.43 97.4 0.7 2.5 180.30 97.4 0.7 OFA Operating Status2.5 184.85 97.4 0.7 2.6 189.78 97.4 0.7 2.5 186.59 97.4 0.7 2.5 191.64 97.3 0.7 2.4 197.45 97.3 0.7 2.4 196.66 97.3 0.7 2.5 190.92 97.3 0.7 2.6 214.81 97.3 0.7 2.7 208.02 97.3 0.7 2.2 172.16 97.2 0.7 1.9 169.52 97.2 0.7 2.2 170.55 97.2 0.7 2.4 171.05 97.2 0.7 2.3 177.43 97.2 0.7 2.5 174.69 97.1 0.7 2.6 180.98 97.1 0.7 2.7 187.40 97.1 0.7 2.6 184.09 97.1 0.7 2.6 183.66 97.1 0.7 2.6 187.14 97.0 0.7 2.8 193.02 97.0 0.7 2.7 198.50 97.0 0.7 2.7 200.15 97.0 0.7 2.7 213.31 97.0 0.7 2.7 204.53 97.0 0.7 2.7 189.64 97.0 0.7 2.6 183.62 96.9 0.7 2.6 191.66 96.9 0.7 2.5 195.58 96.9 0.7 2.6 189.94 96.9 0.7 2.6 186.16 96.9 0.7 2.6 188.49 96.9 0.7 2.6 196.13 96.9 0.7 2.8 204.73 96.9 0.7 2.7 203.71 96.9 0.7 2.5 211.20 96.9 0.7 2.7 209.20 96.9 0.7 2.7 204.16 96.9 0.7 2.7 211.03 96.8 0.7 2.7 205.25 96.8 0.7 2.7 207.40 96.8 0.7 2.4 174.29 96.8 0.7 2.0 157.63 96.8 0.7 1.8 137.37 96.8 0.7 1.7 125.68 96.8 0.7 1.9 128.35 96.8 0.7 1.8 126.75 96.8 0.7 1.9 128.06 96.8 0.7 1.7 124.12 96.8 0.7 1.7 123.45 96.8 0.7 1.9 122.78 96.8 0.7 1.9 123.85 96.8 0.71.7 121.78 96.8 0.7 1.7 122.55 96.7 0.7 1.7 121.94 96.7 0.7 1.7 123.27 96.7 0.7 1.8 126.75 96.8 0.7 2.1 151.20 96.8 0.7 2.2 145.70 96.8 0.7 2.0 127.51 96.8 0.7 1.9 126.22 96.8 0.72/3 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)

25.3 7192.79No OFA 2 25.3 6725.30No OFA 1 25.3 6567.39No OFA 0 25.3 6536.43No OFA 0 25.3 6540.23No OFA 0 25.3 6535.58No OFA 0 25.3 6410.74No OFA 0 25.3 6165.89No OFA 0 25.3 5953.56No OFA 0 25.3 5773.64No OFA 0 25.3 5628.87No OFA 0 25.3 5526.10No OFA 0 25.3 5452.85No OFA 0 25.3 5335.89No OFA 0 25.3 5194.54No OFA 0 25.3 5048.41 2/3 OFA - Throttled 3 25.3 4865.142/3 OFA - Throttled 2 25.3 4538.76No OFA 0 25.3 4522.41 2/3 OFA - Throttled 2 69.7 4524.882/3 OFA - Open 4 0.8 4467.81 No OFA 0 0.8 4771.86No OFA 0 0.8 5166.99No OFA 0 0.8 5353.47No OFA 0 0.8 5342.54No OFA 0 0.8 5387.85No OFA 0 0.8 5639.29No OFA 0 0.8 5781.78No OFA 0 0.7 6181.29No OFA 0 0.7 6663.98No OFA 0 0.7 7155.25No OFA 1 0.7 7637.06No OFA 1 0.7 8107.69No OFA 2 0.7 8327.11 No OFA 2 0.7 8354.30No OFA 3 Emissions0.7 8347.47No OFA 3 0.7 8350.82No OFA 3 0.7 8362.99No OFA 3 0.6 8346.97No OFA 3 0.6 8341.73No OFA 3 0.6 8361.42No OFA 4 0.6 8344.75No OFA 4 0.6 8359.96No OFA 3 0.6 8350.26No OFA 4 0.6 8342.24No OFA 5 0.6 8348.08No OFA 4 0.6 8357.12No OFA 5 0.6 8348.67No OFA 5 0.5 8358.27No OFA 5 0.5 8350.06No OFA 5 0.5 8347.08No OFA 4 0.5 8353.73No OFA 4 0.5 8350.22No OFA 4 0.5 8348.26No OFA 5 0.5 8358.48No OFA 4 0.5 8352.18No OFA 4 0.5 8355.73No OFA 3 0.5 8346.20No OFA 3 0.5 8348.55No OFA 3 0.6 8360.29No OFA 3 0.6 8345.47No OFA 3 0.6 8354.60No OFA 3 0.6 8354.36No OFA 3 0.6 8351.11 No OFA 3 0.6 8346.06No OFA 4 0.6 8354.01 No OFA 5 0.6 8347.62No OFA 5 0.6 8362.88No OFA 6 0.6 8351.49No OFA 6 0.6 8344.21 No OFA 4 0.6 8365.97No OFA 3 0.6 8348.95No OFA 3 0.6 8357.87No OFA 3 0.6 8355.29No OFA 3 0.6 8344.63No OFA 3 0.6 8356.51 No OFA 3 0.6 8344.76No OFA 3 0.6 8354.21 No OFA 4 0.6 8353.16No OFA 4 0.6 8351.13No OFA 4 0.6 8351.31 No OFA 5 0.7 8354.94No OFA 5 0.7 8355.66No OFA 5 0.7 8350.47No OFA 5 0.7 8354.70No OFA 4 0.7 8350.90No OFA 4 0.7 8351.40No OFA 40.7 8350.87No OFA 4 0.7 8350.44No OFA 4 0.7 8357.02No OFA 4 0.7 8345.20No OFA 4 0.7 8353.63No OFA 4 0.7 8349.54No OFA 4 0.7 8140.32No OFA 4 0.7 7904.46No OFA 3 0.7 7870.36No OFA 3NEW 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

9.43 14.39 2.79 15.53 4.60 10.40 15.53 2.49 7.28 15.52 2.59 4.78 15.51 2.20 2.97 2.79 15.51 1.83 2.28 15.50 1.51 2.03 15.49 1.07 1.65 15.48 0.85 1.32 2.79 15.47 0.59 1.01 15.46 0.57 0.77 15.45 0.57 0.64 15.44 0.38 0.52 2.79 15.43 0.34 0.46 15.42 0.29 0.39 15.41 14.16 3.79 15.40 12.35 6.79 2.80 15.39 0.10 6.72 15.39 9.43 9.01 15.38 17.62 9.87 15.38 0.09 6.81 2.80 15.37 0.18 6.83 15.37 0.32 4.55 15.36 0.44 0.26 15.35 0.39 0.33 2.80 15.34 0.39 0.38 15.33 0.48 0.42 15.32 0.51 0.44 15.31 1.09 0.62 2.80 15.30 2.67 1.19 15.29 5.26 2.38 15.28 7.98 4.25 15.27 11.42 6.83 2.81 15.27 15.70 10.09 15.26 20.08 13.80 15.26 Emissions22.25 17.36 15.26

21.68 19.93 2.82 15.27 22.86 21.72 15.27 20.84 21.91 15.28 22.02 21.85 15.28 26.89 23.15 2.83 15.29 27.40 24.29 15.29 21.70 24.50 15.30 25.39 25.34 15.30 37.07 27.89 2.84 15.31 30.93 28.77 15.32 36.21 32.40 15.33 35.50 34.92 15.35 33.83 34.12 2.86 15.36 34.39 34.98 15.37 27.14 32.71 15.38 25.71 30.27 15.39 29.61 29.21 2.87 15.40 32.76 28.81 15.41 29.74 29.46 15.42 29.39 30.38 15.43 24.29 29.05 2.89 15.44 21.16 26.15 15.45 22.93 24.44 15.45 21.61 22.50 15.46 22.44 22.03 2.90 15.46 21.32 22.07 15.47 24.56 22.48 15.47 24.22 23.14 15.48 28.04 24.54 2.91 15.48 36.45 28.32 15.49 38.27 31.74 15.50 38.78 35.38 15.52 40.47 38.49 2.93 15.53 29.69 36.80 15.55 22.36 32.83 15.56 19.50 28.01 15.57 18.04 22.40 2.94 15.57 20.79 20.17 15.57 20.55 19.72 15.58 19.42 19.70 15.58 23.79 21.14 2.95 15.58 26.53 22.57 15.59 26.75 24.12 15.59 26.19 25.81 15.60 33.65 28.28 2.97 15.61 35.11 30.42 15.62 33.93 32.22 15.63 32.27 33.74 15.64 27.68 32.25 2.98 15.65 29.93 30.95 15.66 26.65 29.13 15.6727.15 27.85 15.68

29.42 28.29 3.00 15.69 29.50 28.18 15.69 28.46 28.63 15.70 25.25 28.16 15.71 26.35 27.39 3.01 15.72 30.22 27.57 15.73 17.84 24.92 15.73 17.86 23.07 15.74