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Ta A-1 <br /> Soil Vapor Extraction System Performance Data <br /> ARCO Service Station#2186 <br /> 3212 N California Street,Stockton,California <br /> System„Data FID GRO Benzene MtBE <br /> Influent Influent MtBE <br /> Hour Meter Average Concen- Removal Net Removed Concen- Removal Net Removed Concen- Removal Net Removed <br /> Sample Date Reading Flow Rate Influent Midpoint Effluent tration Rate Removed to Date tration Rate Removed to Date tration Rate Removed to Date <br /> ID Sampled (hours) (scfm) (ppmv) (ppmv) (ppmv) (ppmv) (lbs/day) (pounds) (pounds) (ppmv) (lbs/day) (pounds) (pounds) (ppmv) (lbs/day) (pounds) (pounds) <br /> INFL 08/30/04 45 95 111 01 01 --- -- --- ... __- ... --- <br /> INFL 09/07/04 94 a --- 100 00 390 11 736 9364 9364 <0 31 0 000 000 000 9 8 0 302 241 241 <br /> REPORTING PERIOD THIRD QUARTER 2004 <br /> TOTAL POUNDS REMOVED ti <br /> ,>> <br /> 936 � A0 ,h<, s>;�` ��- 24 <br /> TOTAL GALLONS REMOVED 154 n, '��0,' °` " s �,, ��� <br /> 1 <br /> ^0.4 <br /> OLPERIOD POUNDS REMOVED 936 !<Px4 <br /> PERIOD GALLONS REMOVED. 15 4 s00 64 <br /> PERIOD AVG FLOW RATE 95 ° > _ i <br /> PERIOD PERCENT OPERATIO 334% <br /> scfm =Standard cubic feet per minute ppmv =Parts per million by volume -- =Not available or not applicable <br /> ibs =Pounds GRO =Gasoline Range Organics <6 3 =Less than indicated laboratory reporting limit <br /> i <br /> a System shutdown due to excessive noise issues Hour meter was not working Mass removal calculations are based on the assumption that the system ran continuously between <br /> 08/30/04 and 09/07/04 at the same concentration and flow rates <br /> 2186 O&M Tables 3Q04 <br /> Table A-1 <br /> Page 1 of 1 <br />