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CEMEX Lyons, Colorado Cement Plant Kiln Stack - TDF and Coal Fired November 20 and 21, 2002 EPA Method 428 : Determination of PCB Emissions from Stationary Sources Detection Limits Data Reduction Field Data Run #1 Run #2 Run #3 date 20-Nov-02 21-Nov-02 21-Nov-02 start time 08:53 AM 07:30 AM 12:00 PM stop time 12:18 PM 10:52 AM 03:30 PM sample volume (h3) 133.704 132.186 138.890 sampling time (minutes) 192 192 192 stack temp. (oF) 406 409 415 meter temp. (oF) 71 57 87 barometric pressure (mbar) 847 848 848 barometric pressure (" Hg) 25.01 25.04 25.04 stack pressure (inches water) -0.10 -0.10 -0.10 moisture (grams) 561.5 538.6 520.9 oxygen (% vd) 13.2 13.0 13.2 carbon dioxide (% vd) 14.4 13.4 13.4 delta H 1.4 1.3 1.4 (delta p)^t/2 0.390 0.395 0.392 meter box Y 1.002 1.002 1.002 delta HC~ 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) 111.707 113.592 112.819 moisture volume (scf) 26.430 25.352 24.519 moisture content (%/100) 0.191 0.182 0.179 molecular weight (dry) 30.83 30.66 30.67 molecular weight (actual) 28.38 28.35 28.41 gas velocity (ft/sec) 30.9 31.4 31.2 gas flow (acfm) 335,300 340,176 338,070 gas flow (dscfm) 138,133 141,286 140,169 isokinetic 101.9 101.3 101.4 PCBs Laboratory Data -micrograms Run #1 Run #2 Run #3 chlorobiphenyls < 0.033 < 0.041 < 0.040 dichlorobiphenyls < 0.034 < 0.043 < 0.041 trichlorobiphenyls < 0.031 < 0.039 < 0.038 tetrachlorobiphenyls < 0.032 < 0.036 < 0.035 pentachlorobiphenyls < 0.033 < 0.038 < 0.036 hexachlorobiphenyls < 0.033 < 0.038 < 0.036 heptachlorobiphenyls < 0.028 < 0.032 < 0.031 octachlorobiphenyls < 0.029 < 0.034 < 0.031 nonachlorobiphenyls < 0.030 < 0.035 < 0.032 decachlorobiphenyls < 0.033 < 0.036 < 0.035 PCB (total) < 0.028 < 0.032 < 0.031 Average 101.6