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Ox Mountain Catalyst Operational Data <br /> Unit#4 Permit Condition 22 <br /> Conditional Abatement Limit 0.52 g CO/bhp <br /> Test Catalyst Post Catalyst Pre Catalyst Catalyst Catalyst CO <br /> Date Hours CO ppm CO ppm delta Efficiency g/bhp <br /> (Q 15%02) 15%02) (ppm) Notes <br /> 3/25/2009 281 20.8 215 194.2 90% 0.15 Source test <br /> 5119/2009 OOS na <br /> 5/29/2009 1684 11 228 217 95% 0.09 <br /> 6/9/2009 1890 42 241 199 83% 0.31 " <br /> 6/12/2009 1960 34 245 211 86% 0.26 <br /> 6/17/2009 2072 34 249 215 86% 0.25 " <br /> 6/30/2009 2362 60 250 190 76% 0.42 <br /> 719/2009 2579 61 242 181 75% 0.44 " <br /> 7/13/2009 2673 129 253 124 49% 0.94 <br /> 7/16/2009 2744 72 250 178 71% 0.54 <br /> 7/23/2009 2896 71 252 181 72% 0.52 "7/20 catalyst cleaned <br /> 7/28/2009 3018 89 260 171 66% 0.65 " <br /> 8/3/2009 3155 198 264 66 25% 1.44 <br /> 8/4/2009 3177 121 262 141 54% 0.92 <br /> 8/14/2009 3400 191 253 62 25% 1.39 <br /> 8/17/2009 3481 75 268 193 72% 0.67 <br /> 10/16/2009 4832 86 293 207 71% 0.65 TSA C change early Oct <br /> 10/29/2009 4913 78 292 214 73% 0.58 <br /> 11/9/2009 5181 99 293 194 66°x6 0.75 <br /> 111/1612009 5236 98 297 199 67% 0.77 <br /> 12/21/2009 6120 73 305 232 76% 0.58 12/3 catalyst washed <br /> 1/11/2010 6592 101 329 228 69% 0.86 <br /> 3/3/2010 7772 113 308 195 63% 0.82 <br /> 3/12/2010 7986 124 326 202 620/6 0.97 <br /> 3/23/2010 8234 126 318 192 60% 1.02 <br /> 4/6/2010 8276 57 185 128 69% 0.43 3/29 catalyst washed <br /> 4/8/2010 8318 58 199 141 71% 0.43 <br /> 4/21/2010 8637 83 215 132 61% 0.63 4/10 decoked <br /> 4/30/2010 8844 68 210 142 68% 0.51 <br /> 5/15/2010 8844 68 210 141 67% 0.51 4/29 catalyst washed <br /> 5/22/2010 9368 88 237 149 63% 0.67 7/28 catalyst washed <br /> 8/4/2010 11023 26 244 218 89% 0.20 TSA C change June <br /> 9/14/2010 11962 78 235 157 67% 0.61 8/11 catalyst washed <br /> •standard calculation <br /> assuming 9.7%,02 in exhaust <br />