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Ox Mountain Catalyst Operational Data <br /> Unit#2 Permit Condition 22 <br /> Conditional Abatement Limit 0.52 9 CO/bhp <br /> Test Catalyst Post Catalyst Pre Catalyst Catalyst Catalyst CO <br /> Date hours CO ppm CO ppm delta Efficiency g/bhp <br /> (C 15%02) (@ 15%02) (ppm) Notes <br /> 3/25/2009 269 17.3 204 186.7 92% 0.13 Source test <br /> 5/19/2009 1084 27 224 197 88% 0.20° <br /> 5/29/2009 1487 46 224 178 79% 0.21 <br /> 612/2009 COS rod bearing failure <br /> 6/9/2009 OOS <br /> 6/12/2009 OOS <br /> 6/17/2009 OOS <br /> 6/30/2009 1615 61 229 168 73% 0.45 <br /> 7/9/2009 1827 38 218 180 83% 0.28 <br /> 7/13/2009 1917 76 248 172 69% 0.55 <br /> 7/16/2009 1994 50 243 193 79% 0.39 7/20 catalyst air cleaning <br /> 7/23/2009 2135 55 251 196 78% 0.40 <br /> 7128/2009 2252 64 266 202 76% 0.47 <br /> 8/3/2009 2391 188 277 89 32% 1.37 <br /> 8/4/2009 2412 104 273 169 62% 0.80 <br /> 8/14/2009 2651 201 268 67 25% 1.47 <br /> 8/17/2009 2437 80 283 203 72% 0.63 <br /> 10/16!2009 4078 77 305 228 75% 0.63 TSA C change early Oct <br /> 10/29/2009 4158 82 297 215 72% 0.63 <br /> 11/9/2009 ne na <br /> 11/16/2009 4313 83 278 195 70% 0.66 11/5 catalyst washed <br /> 12/21/2009 5367 90 286 196 69% 0.68 <br /> 1/11/2010 5877 90 299 209 70% 0.72 <br /> 3/3/2010 6938 108 290 182 63% 0.82 <br /> 3/1212010 7147 104 294 190 65% 0.81 3/4 catalyst washed <br /> 3/23/2010 7397 94 289 195 67% 0.75 <br /> 4/812010 7756 94 282 188 67% 0.74 <br /> 4/21/2010 8068 93 311 218 70% 0.75 <br /> 4/30/2010 8264 162 302 140 46% 0.71 <br /> 5/22/2010 8787 147 338 191 57% 1.18 6/21 decoked <br /> 7/28 catalyst washed <br /> 8/4/2010 10344 68 239 171 72% 0.53 TSA C changed June <br /> 9/14/2010 11298 75 232 157 68% 0.61 <br /> 'standard caleulation <br /> assuming 9.7%02 in exhaust <br /> Ameresco 2 of 7 <br />