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Cumulative Table of Well Data and Analytical Results <br /> Vertical Measurements are In feet Analytical results are in parts per billion (ppb) <br /> Well Ground Depth Total <br /> DATE Head Water To Notes TPH- Benzene Toluene Ethyl- Xylene TPH- MTBE EPA 1,2-DCA Phenol Oil& Cr Pb Ni Zn <br /> Elev Elev Water Gasoline Benzene Diesel 8270 Grease <br /> TRIP BLANK <br /> 05/26/95 -- -- -- -- <50 <0 5 <0 5 <0 5 <0 5 -- -- -- -- -- -- -- -- -- -- <br /> 08/15/95 -- -- -- -- <50 <0 5 <0 5 <0 5 <0 5 -- -- -- -- -- -- -- -- -- -- <br /> 02/27/96 -- -- -- -- <50 <0 5 <0 5 <0 5 <0 5 -- -- -- -- -- -- -- -- -- -- <br /> 05/15/96 -- -- -- <50 <0 5 <0 5 <0 5 <0 5 -- <2 5 -- -- -- -- -- -- <br /> 08/22/96 -- -- -- <50 <0 5 <0 5 <0 5 <0 5 -- <2 5 -- -- -- -- -- --11/25/96 -- -- -- -- <50 <0 5 <0 5 <0 5 <0 5 -- <2 5 -- -- -- -- -- -- -- -- <br /> 05/19/97 -- -- -- <50 <0 5 <0 5 <0 5 <0 5 -- <2 5 -- -- -- -- -- -- -- -- <br /> 08/21/97 -- - -- <50 <0 5 <0 5 <0 5 <0 5 -- <2 5 -- -- -- -- -- -- -- -- <br /> 11/17/97 -- -- -- -- <50 <0 5 <0 5 <2 0 <0 5 -- <2 5 -- -- -- -- -- -- -- <br /> 111/117197 -- -- -- EPA 8260++ -- -- -- -- -- -- <2 0 -- -- -- -- -- <br /> 02/09/98 -- -- -- -- <50 <0 5 <0 5 <2 0 <0 5 -- <2 5 -- -- -- -- -- --05/21/98 -- -- -- -- <50 <0 5 <0 5 <0 5 <0 5 -- <2 5 -- -- -- -- -- -- -- -- <br /> 08/11/98 -- -- -- -- <50 <0 5 <0 5 <0 5 <0 5 -- <5 0 -- -- -- -- -- -- -- <br /> 11/09/98 -- -- -- <50 <0 5 <0 5 <0 5 <0 5 -- <2 5 -- -- -- -- -- .. -- -- <br /> ++Ethanol,t-Butanol, DIPE,TAME and ETBE by EPA 8260 were not detected,see lab report for detection limits <br /> Nate Blaine Tech Services, Inc began routine monitoring of the groundwater wells at this site on May 26, 1995 <br /> Earlier field data and analytical results are drawn from the Groundwater Technology, Inc report <br /> ABBREVIATIONS, <br /> MTBE=Methyl t-butyl ether DIPE=DI-Isopropyl Ether <br /> TPH=Total Petroleum Hydrocarbons TAME =t-Amyl Methyl Ether <br /> 1,2-DCA= 1,2-Dichioroethane ETRE Ethyl t-Butyl Ether <br /> Cr=Chromium <br /> Pb=Lead <br /> NI=Nickel <br /> Zn :Zinc <br /> Blaine Tech Services,Inc 981109-T-2 4th-0 1998 Monitoring at Chevron 9-2033 508 W Charter Way,Stockton,CA 4 <br />