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i <br /> Table A-1 <br /> Sail Vapor Extraction System Performance Data <br /> ARCO Service Station#2093 <br /> 3425 Tracy Boulevard,Tracy,California <br /> TPH as Gasoline Benzene <br /> FID Influent Influent <br /> Hour Meter Blower Average Concen- Removal Net Removed Concen- Removal Net Removed <br /> Sample Date Reading Vacuum Flow Rate Influent Effluent tration Rate Removed to Date tration Rate Removed to Date <br /> ID Sampled (hours) ("H2O) (scfm) (ppmv) (ppmv) (ppmv) (lbs/day) (pounds) (pounds) (ppmv) (lbs/day) (pounds) (pounds) <br /> INFL 01/15/02 21,560 e - - - 0.0 0.0 3,617 -- OA 0.00 10.6 <br /> INFL 02/08/02 21,560 e - 0.0 0.0 3,617 - 0.0 0.00 10.6 <br /> INFL 03/11/02 21,560 e - 0.0 0.0 3,617 0.0 0.00 10.6 <br /> INFL 04/12/02 21,560 a -- - -- 0,0 0.0 3,617 0.0 0.00 10.6 <br /> l <br /> INFL 05/03/02 21,560 e - •- -- 0.0 0.0 3,617 - OA 0.00 10.6 <br /> INFL 07/16/02 21,560 a -- 0.0 0.0 3,617 0.0 0.00 10.6 <br /> INFL 08/27/02 21,560 e - 0.0 0.0 3,617 0.0 0.00 10.6 <br /> INFL 09/24/02 21,560 a -- 0.0 0.0 3,617 - 0.0 0.00 10.6 <br /> INFL 10/16/02 21,560 a 0.0 0.0 3,617 0.0 0.00 10.6 <br /> INFL 11/26/02 21,560 e - - - 0.0 0.0 3,617 -- 0.0 0.00 10.6 <br /> INFL 12/26/02 21,560 a 0.0 0.0 3,617 0.0 0.00 10.6 <br /> REPORTING PERIOD; FOURTH QUARTER 2002 <br /> TOTAL POUNDS REMOVED: 3,616.6 10,6 <br /> TOTAL GALLONS REMOVED: 592.9 1.4 <br /> PERIOD POUNDS REMOVED; System Off System Off <br /> PERIOD GALLONS REMOVED; System Off System Off <br /> PERIOD AVG FLOW RATE: System Off <br /> PERIOD PERCENT OPERATIONAL(d): System Off <br /> scfm =Standard cubic feet per minute NO=Not detected <br /> lbs =Pounds a. Prior to April 1998 all data was collected and reproted by Brown and Caldwell. <br /> =Not available or not applicable b. SVE system left off on 718/98. <br /> NO =Non-detectable above detection limit c. System is being pulsed(one month on,one month off). <br /> ppmv =Parts per million by volume d. Period percent operational is calculated for the months the system was scheduled to operate <br /> TPH =Total petroleum hydrocarbons e. SVE system to remain off. AS system will remain on. <br /> FID =Flame ionization detector Density of benzene=7.34 pounds per gallon <br /> 1"H20 =inches of water <br /> Density of gasoline=6.1 pounds per gallon <br /> I <br /> ARCO/209310&M/2093 O&M Tables4002 Page 3 of 3 <br />