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Cumulative Table of Well Data and Analytical Results <br /> ADDITIONAL ANALYSES (CONTD) <br /> Analytical values are In parts per billion b <br /> MTBE <br /> DATE Notes Naphthalene EPA 8010 EPA 8270 Cadmium Chromium Lead Nickel Zinc Hexa- EPA by EPA DIPE ETBE TAME Meth Eth t-But <br /> chloroethane 8260 8260 <br /> MW-4 <br /> 09/02/97 -- 65 -- - -- <20 <20 <20 <20<1000 <5000 <1000 <br /> 11/19/97 - -- - - - - -- -- <2 0 <2 0 <2 0 <2 0 -- <500 <100 <br /> 08/10/98 - -- -- -- -- -- -- -- -- -- <25 <25 <25 <25 -- <6250 <1250 <br /> Sump P <br /> -- <0 5-<5 0 -- -- -- -- -- -- <br /> 11119/97 -- - - - - - <2 0 <2 0 <2 0 <2 0 - <500 <100 <br /> 08/10/98 -- -- -- - -- - -- -- -- -- <2 0 <2 0 <2 0 <2 0 -- <500 <100 <br /> EPA 8260 indicates Isopropylbenzene, n-Propyibenzene, 1,2,4-Trimethyibenzens and 1,3,5-Tnmeihylbenenzene with respective values <br /> of 42, 100, 520 and 93 ppb <br /> Note Blaine Tech Services, Inc began routine monitoring of the groundwater wells at this site on September 9, 1995 <br /> Earlier field data and analytical results are drawn from the May 12, 1995 Groundwater Technology, Inc report <br /> I <br /> ABBREVIATIONS. <br /> TPH=Total Petroleum Hydrocarbons Meth = Methanol <br /> MTBE = Methyl t-butyl ether Eth=Ethanol <br /> DIPE Di-Isopropyl Ether t-But =t- Butanol <br /> ETBE = Ethyl t-Butyl Ether TAME =t-Amyl Methyl Ether <br /> Blaine Tech Services Inc 98081 aT 2 3rd-01998 Monitoring at Former Chevron 9 8632 575 Grant Line Road,Tracy,CA 6 <br /> I <br />