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'"• T-0 7 <br /> Thermal Oxidizer Destruction Efficiency and Emission Rate Calculations <br /> Cohn Property <br /> 3755 Munford Avenue <br /> Stockton, California <br /> Meter Stack Flow <br /> Date _ Rate Stack Sample Results my Emission Rates Ib/da Destruction Efficient <br /> Hours) (scfm) TPHg Benzene TPHq Benzene TPHg Benzene <br /> 8124105 1765 <br /> 9/2105 3949 - 148— <5 0 062 025 00022 998 998 <br /> 10/10105 6307 _~ 171 <5 0 — <0 050 029 00025 998 997 <br /> 1117105 8152 — 172 <50 — <0 050 029 00025 998 993 <br /> 12/12/05 1,625 8 168 <50 <0 050 028 00025 1 99 4 952 <br /> Dote 1 "<"indicates analytical method detection limit, method detection limits are used as stack concentrations to estimate emission rates and DEs <br /> MWTPHs=90 MWEI.,ene = 78 11 MWeersE =88 15 <br /> Sample Calculations <br /> Ib/day=pounds per day NA=Destruction ratio not calculable due to influent&effluent concentrations below laboratory detection limits <br /> NS=not sampled <br /> ppmv=parts per million by volume=ft3/1x10'3 ft3 <br /> scfm=standard cubic feet per minute <br /> Emission rate=flow rate(ft3lmm)*concentration(ft311 x106 ft)*MW(lb/lb-mole)/384 5(ft3Ab-mole)*1440 min/day A <br /> Destruction Efficiency=f(Extractton rate-Emission rateyExtractton rale]x 100% <br /> ft3=cubic feet <br /> APEX ENVIROTECH, INC <br /> Page 1 of 1 COH01 001 <br />