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Ta* <br /> Soil Vapor Extraction System Performance Data <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Halt Drive,Stockton,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 01/25/00 - a - - 4,815 604 <br /> INFL 02/15/00 -- -- 4,815 604 <br /> INFL 03/14/00 b 30 132 5 0 392 02 00 4,815 008 3 4E-03 00 604 <br /> INFL 04/03/00 0 c 40 197 4 0 ND 00 1 0 4,816 003 1 9E-03 003 604 <br /> INFL 04/26/00 552 26 188 2 0 ND 1 0 48 4,821 002 1 3E-03 002 604 <br /> INFL 05/25/00 704 40 167 4 0 ND 00 95 4,825 004 1 8E-03 005 605 <br /> INFL 06/29/00 1,544 41 187 9 0 433 03 15 4,827 ND 00 003 605 <br /> INFL 07/27/00 2,053 47 246 22 0 3070 30 354 4,862 0 48 3 7E 02 039 609 <br /> INFL 08/31/00 2,529 70 170 6 0 ND 00 299 4,892 003 1 3E 03 038 61 3 <br /> INFL 09/27/00 3,177 41 195 7 0 ND 00 00 4,892 ND 00 002 61 3 <br /> INFL 10/23/00 3,804 d 30 329 0 0 ND 00 00 4,892 ND 00 000 61 3 <br /> INFL 11/20/00 3,804 d -- -- 0 0 00 00 4,892 00 000 61 3 <br /> INFL 12/14/00 3,804 d - 0 0 - 00 00 4,892 00 000 61 3 <br /> INFL 01/16/01 3,804 d -- - 0 0 00 00 4,892 - 00 000 61 3 <br /> INFL 02/13/01 3,805 a 40 175 11 0 ND 00 00 4,892 002 1 2E-03 000 613 <br /> INFL 03/01/01 3,958 d 11 0 00 00 4,892 1 2E-03 001 61 3 <br /> 04/03/01 SV ES shutdown <br /> REPORTING PERIOD 12114/00 TO 03/01/01 <br /> TOTAL POUNDS REMOVED 4,8972 61 3 <br /> TOTAL GALLONS REMOVED 8028 84 <br /> PERIOD POUNDS REMOVED 00 00 <br /> PERIOD GALLONS REMOVED 00 00 <br /> PERIOD AVG FLOW RATE 175 <br /> PERIOD PERCENT OPERATIONAL 40% <br /> scfm =Standard cubic feet per minute a Data prior to 1998 was reported by Brown&Caldwell <br /> Ibs =Pounds b System startup <br /> =Not available or not applicable c Hour meter installed 4/3100 <br /> ND =Non-detectable above detection limit d SVE system turned off due to low influent concentrations <br /> ppmv =Parts per million by volume a SVE restarted <br /> TPH =Total petroleum hydrocarbons Density of benzene=7 34 pounds per gallon <br /> FID =Flame Ionization Detector Density of gasoline=61 pounds per gallon <br /> "H20 =Inches of water <br /> 077 43235 190/O&M Tables As 10/25/2001 <br />