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Table 5 <br /> Soil Vapor Extraction System-Performance Data <br /> ARCO 4932 <br /> 16 East Harding Way Stockton California <br /> TPH as Gasoline Benzene MtBE <br /> Well Field Well Field FID Influent Influent MtBE <br /> Hour Meter Dilution Blower Manifold Manifold Well Field Well Field Concen-Removal Not Removed Concen-Removal Net Removed Concen- Removal Net Removed <br /> Sample Date Reading Valve Vacuum Vacuum Temperature Flow Rate Flow Rate Influent Efflueni tration Rate Removed to Date tration Rate Removed to Date trahon Rate Removed to Date <br /> ID Sampled (hours) (%Open) ("Hg) H2O) (°F) (adm) (sd-) (ppmv) (ppmv) (ppmv) (lbs/day) (pounds) (pounds) (ppmv) (lbs/day) (pounds) (pounds) (ppmv) (lbs/day) (pounds) (pounds) <br /> — 05/14/03 a 10 100% — — — — — 50000+ — 0 0 0 0 0 0 0 0 0 0 0 0 <br /> INF 05/29/03 b c 252 0% 13 402 1502 145 48 000 11 16 000 871 439 439 190 8 2 41 41 2 100 102 51 51 <br /> INF 07/08/03 d 260 2% 200 — — 1372 — 20 000 11 17 000 873 29 468 200 81 027 44 4200 193 34 55 <br /> INF 08/07/03 3987 0% 10 60 821 2062 169 43 500 0 21 6 100 385 9 771 10 239 24 1 2 126 131 210 12 2 990 3 044 <br /> TOTAL POUNDS REMOVED 10,239 131 3,044 <br /> OTAL GALLONS REMOVED 1,679 18 493 <br /> Definitions Chemical Properties <br /> safm =Standard cubic feet per minute Standard conditions 60°F 1 atm <br /> lbs=Pounds Vapor density of gasoline=0 26 pounds per cubic feet(assumes molecular weight of gasoline is 100 pounds per pound mole) <br /> —=Not analyzed Vapor density of benzene=0 206 pounds per cubic feet <br /> ppmv=Parts per million by volume Vapor density of MtBE=0 232 pounds per cubic feet <br /> TPH =Total petroleum hydrocarbons Liquid density of benzene=7 34 pounds per gallon <br /> -Hg =Inches of mercury Liquid density of gasoline=6 1 pounds per gallon <br /> FID =Flame Ionization Detedor Liquid density of MtBE=6 18 pounds per gallon <br /> Notes <br /> a System start-up and shake-down <br /> b Source test for San Joaquin Valley Unified Air Pollution Control District performed <br /> c Analyte values given were analyzed beyond the EPA recommended holding time The analysis was performed because the original analysis detected an analyte in the associated black as well as in the sample <br /> d Permananent system start u <br /> 11ARCO%40=0&MARCO 4932 O&M Tables 3003 xis Page 1 of i <br />