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CEMEX <br />Lyons, Colorado Cement Plant <br />Kiln Stack --Coal Fired Only <br />November 15 and 22, 2002 <br />EPA Method 0011 : Determination of Aldehydes and Ketones Emissions from Stationary Source: <br />Field Data Run #1 Run #2 Run #3 <br />date 11 /15/02 11 /15/02 11 /22/02 <br />start time 10:36 AM 01:14 PM 11:52 AM <br />stop time 12:01 PM 02:39 PM 01:06 PM <br />sample volume (ft3) 42.783 48.442 49.152 <br />sampling time (minutes) 64.0 64.0 64.0 <br />stack temp. (oF) 400 401 410 <br />meter temp. (oF) 51 60 71 <br />barometric pressure (mbar) 843 843 839 <br />barometric pressure (" Hg) 24.89 24.89 24.78 <br />stack pressure (inches water) -0.10 -0.10 -0.10 <br />oxygen (%) 12.0 12.0 11.0 <br />carbon dioxide (%) 13.6 13.8 15.4 <br />moisture (gm) 173.4 189.1 190.9 <br />delta H 1.3 1.7 1.6 <br />(delta py~1/2 0.391 0.439 0.432 <br />meterbox Y 1.002 1.002 1.002 <br />pilot tube constant 0.81 0.81 0.81 <br />nozzle diameter (inches) 0.370 0.370 0.370 <br />stack diameter (inches) 182.0 182.0 182.0 <br />Laboratory Data <br />mass formaldehyde (milligrams) 0.0833 0.1200 0.1150 <br />mass acetaldehyde (milligrams) 0.0082 0.0088 0.4160 <br />Calculations <br />sample volume (dscf) 37.009 41.190 40.770 <br />moisture volume (dscf) 8.162 8.901 8.986 <br />moisture content (%/100) 0.181 0.178 0.181 <br />molecular weight (dry) 30.66 30.69 30.90 <br />molecular weight (actual) 28.37 28.43 28.57 <br />gas velocity (ft/sec) 29.9 33.6 33.2 <br />gas flow (acfm) 323,716 363,785 359,851 <br />gas flow (dscfm) 135,357 152,601 148,069 <br />gas flow (Ib/hr) 729,271 821,037 803,418 <br />isokinetic 103.4 102.1 104.1 <br />Formaldehyde Emissions <br />formaldehyde (ppmvd) 6.37E-02 8.24E-02 7.98E-02 <br />formaldehyde (Ib/hr) 4.03E-02 5.88E-02 5.53E-02 <br />formaldehyde (tons/year) 0.18 0.26 0.24 <br />Acetaldehyde Emissions <br />acetaldehyde (ppmvd) 4.25E-03 4.10E-03 1.97E-Ot <br />acetaldehyde (Ib/hr) 3.94E-03 4.29E-03 2.00E-Ot <br />acetaldehyde (tons/year) 0.02 0.02 0.88 <br />Average <br />0.1061 <br />0.1443 <br />7.53E-02 <br />5.15E-02 <br />0.23 <br />6.84E-02 <br />6.94E-02 <br />0.30 <br />