ARCHIVED REPORTS XR0001235 - Laserfiche WebLink

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• ! • . Cumulative Table of Well Data and Analytical Results Vertical Measurements are in feet Analytical results are in parts per billion (ppb) - Well Ground Depth Total DATE Head Water To Notes TPH- Benzene Toluene Ethyl- Xylene TPH- MTBE EPA 1,2-DCA Phenol Oil& Cr Pb NI Zn Elev Elev Water Gasoline Benzene Diesel 8270 Grease TRIP BLANK 05/26/95 - -- - <50 <0 5 <0 5 <0 5 <0 5 - - - - -- -- - -- -- - 08/15/95 - -- -- <50 <0 5 <0 5 <0 5 <0 5 -- - - -- - - 02/27/96 - -- - <50 <0 5 <0 5 <0 5 <0 5 -- -- - - - 05/15/96 -- - -- - <50 <0 5 <0 5 <0 5 <0 5 - <2 5 - -- - - 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 -- -- -- -- - - - - 05/19/97 -- -- -- -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 -- -- -- -- -- -- -- -- 08/21/97 - - -- - <50 <0 5 <0 5 <0 5 <0 5 - <2 5 - - -- -- -- -- 11/17/97 -- - -- -- <50 <0 5 <0 5 <2 0 <0 5 - <2 5 - -- - - -- 11/17/97 -- -- -- EPA 8260 ++ -- _ - -- <2 4 - -- -- -- -- -- -- -- 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 - -- -- - -- -- - 08/11/98 -- -- -- -- <50 <0 5 <0 5 <0 5 <0 5 - <5 4 - -- -- -- -- - -- ++Ethanol,t-Butanol, RIPE,TAME and ETBE by EPA 8260 were not detected,see lab report for detection limlts I Note Blalne Tech Services, Inc began routine monitoring of the groundwater wells at this site on May 26, 1995 Earlier field data and analytical results are drawn from the Groundwater Technology, Inc report ABBREVIATIONS. MTBE = Methyl t-butyl ether DIPE= DI-Isopropyl Ether TPN=Total Petroleum hydrocarbons TAME=t-Amyl Methyl Ether 1,2-DCA= 1,2-Dichloroethane ETBE = Ethyl t-Butyl Ether Cr= Chromium Pb= Lead Ni = Nickel Zn =Zinc 4 Blame Tech Services,Inc 980811 P-1 3rd-Q 1998 Monitoring at Chevron 9-2033 508 W Charter Way,Stockton,CA 4