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• Tab <br /> Groundwater A cal Results <br /> Former Chevron Service Station#9-8632 y <br /> 575 Grant Line Road <br /> Tracy,California Analytical values are in parts per billion(ppb) <br /> MTBE <br /> DATE Methanol Ethanol TEA by EISA WE ME TAME EPA EPA Naphthalene Hexachloroethane Cadmium Chromium Lead Nickel Zinc <br /> 8260 8270 8010 <br /> MW-4 <br /> 09/02/97' <1000 <5000 <1000 <20 <20 <20 <20 -- -- 65 -11/19/97 -- <500 <100 <20 <20 <20 <2 0 -- <br /> 08/10/98 <br /> 08/10/98 <6250 <1250 <25 <25 <25 <25 -- - - - - <br /> 02103100 - <500 <100 <2 0 <2 a <2 0 <20 - -- - - - - <br /> SUMP <br /> - - - <br /> 01/07/97 -- -- -- -- -- -- -- <0 5-<5 0 -- <br /> 11/19/97 -- <500 <100 <2 0 <2 0 <20 <20 - -- <br /> 08/10/98 <br /> 08/10/98 <500 <100 <2 0 <2 0 <2 0 <20 -- - - - <br /> 02/03/00 <500 <100 <2 0 <2 0 <2 0 <20 -- - - -- <br /> EXPLANATIONS <br /> Groundwater laboratory analytical results were compiled from reports prepared by Blaine Tech Services,Inc <br /> TBA=Tertiary butyl ether <br /> MTBE=Methyl tertiary butyl ether <br /> D1PE=Di-isopropyl ether <br /> ETBE=Ethyl tertiary butyl ether <br /> TAME=Tertiary amyl methyl ether <br /> =Not Analyzed <br /> EPA 8260 indicates Isopropyl benzene,n-Propylbenzene, 1,2,4-Tnmethylbenzene and 1,3 5-Tnmethylbenenzene with respective values <br /> of 42, 100,520 and 93 ppb <br /> 1 <br /> 9 8632 xls/#386855 9 As of 06/26/40 <br />