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i i • <br /> TABLE 11 <br /> EXTRACTION AND EMISSION RATES-UNIT 2(SL NO 9234) <br /> ARCO Facility No 6100 <br /> 25775 South Patterson Pass Road <br /> Tracy,California <br /> Influent Concentration Effluent Concentration Extraction Rate from Emissions Rate to Destruction Removal Cumulative GRO <br /> Date Flowrate (mg/m' m m3 Wells Ibs/da Atmosphere lbs/da Efficiency% Removal lbs <br /> acfm GRO I Benzene MTBE GRO I Benzene MTBE GRO Benzene MTBE GRO Benzene MTBE GRO Benzene Period Total <br /> 03/09/04 16489 2,500 25 35 <10 <0 10 <0 40 3706 0 371 052 <0 15 <0 001 <0 006 9960% 9960% 3706 3706 <br /> 04/05/04 21159 2,300 40 <0 50 <50 <0 50 <0 50 43 75 0 761 <0 01 <0 95 <0 0095 <0 0095 >97 83% >98 75% 32255 360 <br /> 5/3/2004 25272 1,000 16 <1 0 <500 <5 0 <5 0 2272 0 363 <0 02 <1 14 <0 1136 <0 1136 >95 00% >69 74% 19888 548 <br /> 06/07/04 10339 2,800 66 <2 5 <50 <0 50 <0 50 2602 0 613 <0 02 <0 46 <0 0046 <0 0046 >98 21% >99 24% 52764 1,076 <br /> Air Permit Limits -5026-1-0&N-5026 2-0 <br /> Either the VOC control efficiency shall not be less than 95% or VOC emissions to atmosphere not to exceed 2 0 lbs/day <br /> OC emissions served by the catalytic oxidizer not to exceed 27 4 lbs/day <br /> CINF not sampled and hence results of influent air sample used for estimated destruction efficiency <br /> sample Calculations 7948 <br /> Ext.Rate from = 168 53 cu ft x 2 800 mg-- x cu meter x Ib x 1440 min <br /> Wells(lbs/day) min cu meter 35 3145 cu ft 453593 mg day <br /> 42 42 lbsldav <br /> est Removal (42 12-0 42)x 100—99% <br /> fticiency % 4242 <br /> ARCO-6100-0&M Page 1 of 1 SMATV5 <br />