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!WELL CONCENTRATIONS <br /> Former Shell Service Station <br /> 880 Victor Road, <br /> I� Lodi, CA <br /> MTBE MTBE Depth to GW <br /> Well ID Date TPPH B T E X 8020 8260 TOC Water Elevation <br /> U L11 <br /> u IL u /L)( (u/L (ug/LJ— u IL (ug/L MSL ft MSL <br /> J 11 <br /> MW-3 02/01/2000 <250 37 <2 5 1 <2 5 <2 5 7,800 NA 53 87 46 72 7 15 <br /> MW-3 04/26/2000 130 <1 00 ' <1'00 1; <1 00 <1 00 10,300 6,440a 5387 4710 677 <br /> MW-3 08129/2000 <500 <5 00 <5 00 11 <5 00 <5 00 16,600 16,100 5387 4732 655 <br /> MW-3 11/20/2000 <1,000 <10 X40 <10 <40 NA 18,000 5387, 4703 684 <br /> MW-3 01/29/2001 <2,000 <20 <20 <20 <20 NA 12,000 5387 4678 709 <br /> MW-3 05/23/2001 <1,000 <10 X10 <10 <10 NA 9,800 5387 4715 672 <br /> MW-3 08/02/2001 <260 <2 5 <2 5 <2 5 <2 5 NA 9,100 5387 4877 510 <br /> FN--3 <br /> 3 11119/2001 <2,000 <20 <20 j� <20 <20 NA 6,800 5387 4939 448 <br /> 02/27/2002 i <1,000 <10 <10 1C <10 <10 NA 4,300 5387 4812 575 <br /> Abbreviations '� <br /> TPPH=Total petroleum hydrocarbons as gasoline by EPA Miethod 8260B,pnor to November 20,2000,analyzed by EPA Method 8015 <br /> BTEX=Benzene,toluene,ethylbenzene,xylenes by EPA Method 8260B, prior to November 20, 2000,analyzed by EPA,Method 8020 <br /> MTBE=Methyl-tertiary-butyl ether I ` <br /> TOC=Top of Casing Elevation E <br /> GW=Groundwater 31 <br /> ug/L=Parts per billion I <br /> msl=Mean sea level <br /> ft=Feet <br /> <n=Below detection limit <br /> NA=Not applicable <br /> �I <br /> Notes �1I <br /> Site surveyed on November 20, 1999, by Virgil Chavez Land Surveying of California <br /> Site surveyed on January 4,2002,by Virgil Chavez Land Surveying of California <br /> a=This sample was analyzed outside of EPA recommended hold time <br /> E <br /> Pa e 2 <br />