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0 0 CAM&A <br /> Table 1 Mass Removal Data-Shell-branded Service Station,Incident No 98996222,3725 Tracy Boulevard,Tracy,California <br /> Cumulative TPPH Benzene MTBE <br /> Volume Volume TPPH* TPPH Removed Benzene* Benzene Removed MTBE* MTBE Removed <br /> Date Well Pumped Pumped Sample Concentration Removed To Date Concentration Removed To Date Concentration Removed To Date <br /> Purged ID (gal) (gal) Date (ppb) „(,pounds) (pounds) (ppb) (pounds) (pounds) (ppb) - - (pounds) (pounds) <br /> 02/08/04 MW-1A 1,000 1 000 12/08/03 <500 <0 00417 <0 00417 <5 00 <0 00004 < 000004 46,900 039135 039135 <br /> 03/08/04 MW-1A 1 000 2,000 02/19104 10 000 008344 <0 08762 < 100 <0 00083 < 000088 47,500 039636 078771 <br /> 02/08/04 MW-2A 1,000 1 000 12/08/03 < 100 <0 00083 <0 09845 < l <0 00001 < 000088 2 640 002203 080974 <br /> 03/08/04 MW-2A 1 000 2000 02/01/04 < 100 <0 00083 <0 08928 < l <0 00001 < 000089 229 000191 081165 <br /> 03/08/04 BF-l 3 000 3 000 02/01/04 <50 000 < 125165 <1 34094 < 500 <001252 < 001341 148,000 370489 451654 <br /> Total Gallons Extracted 7,000 Total Pounds Removed < 134094 <0 01341 451654 <br /> Total Gallons Removed <0 21983 <0 00184 072947 <br /> Abbreviations&Notes. <br /> TPPH=Total purgeable hydrocarbons as gasoline <br /> MtBE—Methyl tert butyl ether <br /> laglL=Micrograms per liter <br /> ppb=Parts per billion equivalent to}tg/L <br /> L=Liter <br /> gal=Gallon <br /> g=Gram <br /> *=Concentration based on most recent groundwater monitoring results <br /> Mass removed based on the formula volume extracted(gal)x Concentration(pglL)x(g110'gg)x(pound/453 6g)x(3 785 Llgal) <br /> Volume removal data based on the formula density(in gmslcc)x 9 339(ccxlbslgmsxgals) <br /> TPPH benzene analyzed by EPA Method 8015/8020 <br /> MTBE analyzed by EPA Method 8260 in bold font all other MTBE analyzed by EPA Method 8020 <br /> Groundwater extracted by vacuum trucks provided by ECI Water disposed of at a Martinez Refinery <br />