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�e1of1 <br /> Table <br /> Soil Vapor Extraction System Performance Data <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt 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 /> 1D Sampled (hours) ("H2O) (scfm) (ppmv) (ppmv) (ppmv) (lbs/day) (pounds) (pounds) (ppmv) (lbslday) (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 0003445 00 604 <br /> INFL 04/03/00 0 c 40 197 4 0 NO 00 1 0 4 816 003 0001859 003 604 <br /> INFL 04/26100 552 26 188 2 0 NO 10 48 4,821 002 0001328 002 604 <br /> INFL 05/25/00 704 40 167 4 0 NO 00 95 4,825 004 0001836 005 605 <br /> INFL 06/29/00 1,544 41 187 9 0 433 03 1 5 4,827 NO 0 003 605 <br /> INFL 07/27100 2,053 47 246 22 0 3070 30 354 4,862 048 0036976 039 609 <br /> INFL 08/31/00 2 529 70 170 6 0 NO 00 299 4,892 003 0001339 038 613 <br /> INFL 09/27100 3,177 41 195 7 0 NO 00 00 4,892 ND 0 002 613 <br /> INFL 10/23/00 3,804 d 30 329 0 0 NO 00 00 4,892 ND 0 000 613 <br /> INFL 11/20/00 3,804 d — — 0 0 — 00 00 4,892 — 0 000 613 <br /> INFL 12/14/00 3,804 d — — 0 0 — 00 00 4,892 — 0 000 613 <br /> INFL 01/16/01 3,804 d -- -- 0 0 — 00 00 4,892 — 0 000 613 <br /> INFL 02/13/01 3,805 a 40 175 11 0 NO 00 00 4,892 002 0001204 000 613 <br /> INFL 03/01/01 3,958 d — — 11 0 — 00 00 4,892 — 0001204 001 61 3 <br /> 04/03/01 SVES shut down <br /> REPORTING PERIOD SECOND QUARTER 2004 <br /> TOTAL POUNDS REMOVED 4,8972 613 <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 0% <br /> scfm =Standard cubic feet per minute a Data prior to 1998 was reported by Brown&Caldwell <br /> lbs =Pounds b System startup <br /> =Not available or not applicable c Hour meter installed 413100 <br /> NO =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=6 1 pounds per gallon <br /> "H20 =Inches of water <br /> 77BP 52133 00 0190!0&M Tables 1 Q04rrable A-1 <br />