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SOURCE TEST RESULTS SUMMARY FOR AUTHORITY TO CONSTRUCT PERMIT NUMBER N-5817-14 <br /> COHN Enterprises 3755 Munford Avenue,Stockton California 95215 <br /> Following are the second sets of test results <br /> Bases of flow rates scfm (9-2-05): <br /> Influent flow rate Soil vapor extraction (SVE) blower discharge flow rate is calculated using <br /> flow sensor differential pressure, flow pressure and temperature recorded in the discharge piping <br /> of the SVE blower prior to the combustion chamber <br /> Influent flow rate = SVE discharge (THOXINF) flow rate 69 scfm <br /> Effluent flow rate SVE flow rate + natural gas flow rate (variable, recorded at gas meter) + <br /> combustion air flow rate= stack flow rate Vhf 11 Z9 <br /> r� <br /> Effluent flow rate = SVE discharge flow rate (130 scfm) +propane gas flow rate (3 cfm) + <br /> combustion air flow rate (75 scfm) = 148 scfm <br /> Molecular wei hts Obs/lb-mole): <br /> TPH gas = 90 <br /> Benzene = 78 <br /> 1 Lb-mol = 359ft3 <br /> • Emission Rates (9-2-05): <br /> TPH gas = (1403/min)(<5 Oft3/1,000,000fl3)(lb-moll359ft3)(901b/lb-mol)(1,440min/day) _ <br /> < 0 27 lbs/day <br /> Benzene = (1403/mm)(0 62ft3/1,000,000ft3)(lb-mol/359ft3)(781b/lb-mol)(1,440min/day) _ <br /> <0 03 lbs/day <br /> Pounds per day extracted 9-2-05 <br /> TPH gas (69f13/min)(5,80OR3/1,000,000ft3)(lb-mole/359ft3)(901b/lb-mol)(1,440min/day) <br /> 144 lbs/day <br /> Benzene (69ft3/min)(52ft3/1,000,000ft3)(lb-mole/359ft3)(781b/lb-mol)(1,440min/day) _ <br /> 1 1 lbs/day <br /> Destruction rate efficient DRE (9-2-05). <br /> TPH gas DRE = (69scfm)(5,800ppmv) - (148scfm)(<5ppmv) = 0 9982 x 100 = > 99 82% <br /> (69scfm)(5,800ppmv) <br /> S Benzene DRE = (69scfm)(52ppmv) =(148scfm)(0 62ppmv) = 0 9744 x 100 = 97 44% <br /> (69scfm)(52ppmv) <br />