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CEMEX Lyons; Colorado Cement Plant Kiln Stack -- Coal Fired Only November 13 and 14, 2002 EPA Method 428 : Determination of PCB Emissions from Stationary Sources Detection Limits Data Reduction Field Data Run #1 Run #2 Run #3 date 13-Nov-02 14-Nov-02 14-Nov02 start time 10:07 AM 08:24 AM 12:56 PM stop time 04:29 PM 12:02 PM 04:36 PM sample volume (ft3) 133.268 129.058 134.270 sampling time (minutes) 192 192 192 stack temp. (oF) 407 401 406 meter temp. (oF} 69 46 59 barometric pressure (mbar) 839 841 841 barometric pressure (" Hg) 24.78 24.83 24.83 stack pressure (inches water) -0.10 -0.10 -0.10 moisture (grams) 525.3 523.7 524.5 oxygen (% vd} 11.6 11.8 11.8 carbon dioxide (% vd) 14.0 14.2 14.0 delta H 1.3 1.3 1.4 (delta p)^1/2 0.387 0.392 0.397 meter box Y 1.002 1.002 1.002 delta H~ 1.78 1.78 1.78 pilot tube constant 0.84 0.84 0.84 nozzle diameter {inches) 0.370 0.370 0.370 stack diameter (inches) 182.0 182.0 182.0 Calculations Run #1 Run #2 Run #3 sample volume (dscf) 110.790 112.418 114.097 moisture volume (scf) 24.726 24.651 24.688 moisture content (%/100) 0.182 0.180 0.178 molecular weight (dry) 30.70 30.74 30.71 molecular weight (actual) 28.39 28.45 28.45 gas velocity (ft/sec) 30.9 31.1 31.6 gas flow (acim) 334,561 337,287 342,150 gas flow (dscfm) 137,766 140,730 142,252 isokinetic 101.3 100.7 101.1 PCBs Laboratory Data -micrograms Run #1 Run #2 Run #3 chlorobiphenyls < 0.035 < 0.036 < 0.034 dichiorobiphenyls < 0.037 < 0.037 < 0.036 trichiorobiphenyls < 0.033 < 0.034 < 0.032 tetrachlorobiphenyls < 0.031 < 0.034 < 0.031 pentachlorobiphenyts < 0.033 < 0.035 < 0.033 hexachiorobiphenyis < 0.033 < 0.035 < 0.033 heptachlorobiphenyls < 0.028 < 0.030 < 0.028 octachlorobiphenyis < 0.029 < 0.032 < 0.029 nanachlorobiphenyis < 0.030 < 0.033 < 0.030 decachlorobiphenyls < 0.033 < 0.034 < 0.033 PCB (total) < 0.028 < 0.030 < 0.028 Average 101.0