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CEMEX
<br />Lyons, Colorado Cement Plant
<br />Kiln Stack - TOF and Coal Fired
<br />November 20 and 21, 2002
<br />EPA Method 23: Determination of PCDD/PCDF Emisslons from Stationary Sources
<br />Detection Limits Data Reduction
<br />Field Data Run #1 Run #2 Run #3
<br />date 20-Nov-02 21-Nov-02 21-Nov-02
<br />start time 08:53 AM 07:30 AM 12:00 PM
<br />stop time 12:18 PM 10:52 AM 03:30 PM
<br />sample volume (ft3) 133.704 132.186 138.890
<br />sampling time (minutes) 192 192 192
<br />stack temp. (oF) 406 409 415
<br />meter temp. (oF) 71 57 87
<br />barometric pressure (mbar) 847 848 848
<br />barometric pressure (" Hg) 25.01 25.04 25.04
<br />stack pressure (inches water) -0.10 -0.10 -0.10
<br />moisture (grams) 561.5 538.6 520.9
<br />oxygen (% vd) 13.2 13.0 13.2
<br />carbon dioxide (% vd) 14.4 13.4 13.4
<br />delta H 1.4 1.3 1.4
<br />(delta py~l/2 0.390 0.395 0.392
<br />meter box Y 1.002 1.002 1.002
<br />delta H~ 1.78 1.78 1.78
<br />picot tube constant 0.84 0.84 0.84
<br />nozzle diameter (inches) 0.370 0.370 0.370
<br />stack diameter (inches) 182.0 182.0 182.0
<br />Calculations Run #1 Run #2 Run #3
<br />sample volume (dscf) 111.707 113.592 112.819
<br />moisture volume (sci) 26.430 25.352 24.519
<br />moisture content (%/100) 0.191 0.182 0.179
<br />molecular weight (dry) 30.83 30.66 30.67
<br />molecular weight (actual) 28.38 28.35 28.41
<br />gas velocity (ft/sec) 30.9 31.4 31.2
<br />gas flow (acfm) 335,300 340,176 338,070
<br />gas flow (dsctm) 138,133 141,286 140,169
<br />isokinetic 101.9 101.3 101.4
<br />PCDD/PCDF Laboratory Data - oa Run #1 Run #2 Run #3
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<br />Total CI4-Dibenzofurans 12 32 17
<br />Total CIS-Dibenzofurans 17 18 < 5.4
<br />Total CI6-Dibenzofurans < 14 < 11 < 9.0
<br />Total CI7-Dibenzofurans < 25 < 15 < 21
<br />C18-Dibenzofuran < 54 < 47 < 39
<br />Total CI4-Dibenzo-p-dioxins < 7.0 < 6.5 < 15
<br />Total CIS-Dibenzo-p-dioxins < 15 < 17 < 14
<br />Total CI6-Dibenzo-p-dioxins < 15 < 14 < 16
<br />Total CI7-Dibenzo-p-dioxins < 32 29 < 24
<br />CI8-Dibenzo-p-dioxin < 71 51 < 60
<br />2,3,7,8-CI4-Dibenzofuran (DB225) < 25 < 14 < 15
<br />2,3,7,8-CI4-Dibenzo-p-dioxin < 7.0 < 6.5 < 15
<br />1,2,3,7,8-CI5-Dibenzofuran < 4.7 < 4.7 < 5.4
<br />2,3,4,7,8-CI5-Dibenzofuran < 4.7 < 5.6 < 5.4
<br />1,2,3,7,8-CI5-Dibenzo-p-dioxin < 15 < 8.3 ~ < 10
<br />1,2,3,4,7,8-CI6-Dibenzofuran < 13 < 10.0 < 8.5
<br />1,2,3,6,7,8-CI6-Dibenzofuran < 12 < 9.1 < 7.6
<br />2,3,4,6,7,8-CI6-Dibenzofuran < 16 < 12 c 9.9
<br />1,2,3,7,8,9-CI6-Dibenzofuran < 16 < 12 < 10
<br />1,2,3,4,7,8-CI6-Dibenzo-p-dioxin < 16 < 16 < 17
<br />1,2,3,6,7,8-CI6-Dibenzo-p-dioxin < 14 < 13 < 14
<br />1,2,3,7,8,9-CI6-dibenzo-p-dioxin < 16 < 15 < 16
<br />1,2,3,4,6,7,8-CI7-Dibenzofuran < 23 < 14 < 19
<br />1,2,3,4,7,8,9-CI7-Dibenzofuran < 26 < 17 < 24
<br />1,2,3,4,6,7,8-CI7-Dibenzo-p-dioxin < 32 29 < 24
<br />1,2,3,4,6,7,8,9-CI8-Dibenzofuran < 54 < 47 c 39
<br />1,2,3,4,6,7,8,9-CI8-dibenzo-p-dioxin < 71 51 < 60
<br />Average
<br />101.6
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