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Ta�1 • <br /> Sol[Vapor Extraction System Performance Data <br /> ARCO Service Station#2133 <br /> 2908 Benlamm Holt Drive,Stockton,California <br /> TPH as gasoling Benzene <br /> E112 Influent Influent <br /> Hour Meter Blower Average Concen- Removal Net Removed Conten- Removal Net Removed <br /> Sample Date Reading Vacuum Flow Rate Influent Effluent trabon 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 01/25100 — 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 2 5E-02 604 <br /> INFL 04126/00 552 26 188 2 0 ND 1 0 48 4,821 002 1 3E-03 1 5E-02 604 <br /> INFL 05/25/00 704 40 167 4 0 ND 00 95 4 825 004 1 8E-03 5 4E-02 605 <br /> INFL 06129100 1,544 41 187 9 0 433 03 57 4,831 ND 00 3 2E-02 60 5 <br /> REPORTING PERIOD 3115/00 TO 6129100 <br /> TOTAL POUNDS REMOVED 4,8359 60S <br /> TOTAL GALLONS REMOVED 7928 82 <br /> PERIOD POUNDS REMOVED 209 01 <br /> PERIOD GALLONS REMOVED 34 00 <br /> PERIOD AVG FLOW RATE 185 <br /> PERIOD PERCENT OPERATIONAL 74% <br /> sch =Standard cubic feet per minute NS=Not sampled <br /> lbs =Pounds a Data pnor to 1998 was reported by Brown&Caldwell <br /> =Not available or not applicable b System startup <br /> ND =Non-detectable above detection limit c Hour meter installed 413100 <br /> ppmv =Parts per million by volume Density of benzene=7 34 pounds per gallon <br /> TPH =Total petroleum hydrocarbons Density of gasoline=6 1 pounds per gallon <br /> 077 419301901202000 0&M Tables 8!1100 <br />