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i <br /> T*E 11 • <br /> I <br /> EXTRACTION AND EMISSION RATES-UNIT 2(SL NO 9230) <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 m m3 m m3 Wells lbslda Atmos here(lb ay) Efficient % Removal lbs <br /> acfm GRO Benzene MTBE GRO Benzene MTBE GRO Benzene MTBE GRO Benzene MTBE GRO Benzene Period Total <br /> 03/09/04 164 89 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 i 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% 18888 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% 527 64 1,076 <br /> 07/12/04 10294 3,300 67 <1 0 52 077 <0 50 3054 0 620 <0 01 048 00071 <0 0046 >98 42% >98 85% 98866 2,065 <br /> 08/02/04 15935 3,200 76 <1 0 <50 <0 50 <0 50 45 84 1 089 <0 01 <0 72 <0 0072 <0 0072 >98 44% >99 34% 80929 2,874 <br /> 09/08/04 21987 1,500 35 <1 0 <50 <0 50 <0 50 2965 0 692 <0 02 <0 99 <0 0099 <0 0099 >96 67% >98 57% 1,39528 4,269 <br /> Air Permit Limits 5026-10&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 Ibslday <br /> i <br /> CINF not sampled and hence results of influent air sample used for estimated destruction efficiency <br /> Sample Calculations <br /> Ext Rate from — 168 53 cu ft x 2,800 mg— x cu meter x lb x 1440 mm <br /> ells(lbs/day) min cu meter 35 3145 cu ft 453593 mg day <br /> = 42 42 lb <br /> est Removal f42 12-0 42)x 100=99% <br /> Efficiency,% 4242 <br /> ARCO_6ino_O&M Page 1 of I 6TRAW6 <br />