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Cumulative Table of Well Data and Analytical Results <br />.F, <br /> ADDITIONAL ANALYSES <br />'i <br /> Analytical values are In parts per billion b <br />.'IMTBF- <br /> DATE Notes Naphthalene EPA 8010 EPA 8270 Cadmium Chromium Lead Nickel Zinc Hexa- EPA by EPA DIPS ETRE TAME Meth Eth t-But <br /> _ chioroethane 8260 8260 <br /> MW-1 <br /> ii 09/07/95 -- 6.3 <1.0-<10 -- <10 180 <100 190 <5000 -- -- -- -- -- -- -- -- -- <br /> 12/01/95 -- <5.0 <0.5-<5.0 77 <10 <10 <100 <50 22 17 - -- -- -- -- -- <br /> j; 02/07/96 <5.0 <0.5-<5.0 -- <10 <10 <100 <50 21 <5.0 -- -- -- -- -- -- -- <br /> 05/07/96 -- <5.0 <0.5-<5.0 <5.0-<10 <10 16 <100 <50 32 <5.0 -- -- -- -- -- -- <br /> 08/20/96 -- <5.0 <0.5-4.0 <5.0-<10 <10 <10 <100 <50 62 <5.0 -- -- -- -- -- -- <br /> 11/05/96 -- <5.0 <0.5-<5.0 <5.0-<10 <10 <10 <100 <50 60 <5.0 -- -- -- -- -- -- -- -- <br /> 01/07/97 -- <5.0 <0.5-<5.0 <5.0-<10 <10 <10 <100 <50 160 <5.0 -- -- -- -- -- -- -- -- <br /> 11/19/97 -- -- -- -- -- -- -- -- -- -- -- 150 <5.9 <5.9 <5.9 --<1500 <290 <br /> MW-2 <br /> 11/19/97 -- -- -- -- -- -- -- -- -- -- -- 80 <2.0 <2.0 <2.0 -- <500 <100 <br /> MW-3 <br /> 11/19/97 -- -- -- -- -- -- -- -- -- -- -- 270 <3.7 <3.7 <3.7 -- <920 <180 <br /> I MW-4 <br /> 09/02/97 -- 65 -- -- -- -- -- -- <20 <20 QO <20<1000 <5000<100C <br /> 11/19/97 -- -- -- -- -- -- -- -- <2.0 <2.0 <2.0 <2.0 -- <500 <100 <br /> Sump P <br />„ <br /> <0.5-<5.0 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- <br />!R 11/19/97 -- -- -- -- -- -- -- <2.0 <2.0 <2.0 <2.0 -- <500 <100 <br /> " EPA 8260 Indicates Isopropylbenzene, n-Propylbenzene, 1,2,4-Trimethylbenzene and 1,3,5-Trimethylbenenzene with respective values <br /> of 42, 100,520 and 93 ppb. <br /> F� 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 /> lr <br /> I5 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=11-Amyl Methyl Ether <br /> is <br /> i, <br />,- BIWne Tech Services,Inc.971119-M-2 4th-0 1997 Monitoring at Former Chevron 9.6632 575 Grant line Road,Tracy,CA 4 <br />