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Table 4 � . <br /> Groundwater Analytical ResultsA Method 8010) <br /> Former Unocal Service Station#0123 <br /> 1034 Central Avenue <br /> Tracy,California <br /> EX LA &TIO S• <br /> Laboratory analytical results prior to March 24, 1998,were compiled from reports prepared by MPDS Services.Inc <br /> Cis-1,2-DCE = Cis-1,2-Dichioroethene <br /> Trans-1,2-PCF = Trans-1,2-Dichloroethene <br /> (ppb)=Parts per billion <br /> ND=Not Detected <br /> Chloroform was detected at a concentration of 0 77 ppb <br /> 1,1,1-Trichloroethane was detected at a concentration of 0 86 ppb <br /> 3 1,1-Dichloroethane(1,1-DCA)was detected at a concentmhon of 0 64 ppb <br /> 4 Methylene chloride was detected at a conc:cntration of 10 ppb <br /> S Methylene chloride was detected at a concentration of 15 ppb <br /> 6 1,1-DCA was detected at a concentration of 0 80 ppb <br /> 7 1,1-DCA was detected at a concentration of 0 82 ppb <br /> E 1,1-DCA was detected at a concentration of 0 52 ppb <br /> 9 Chloroform was detected at a concentration of 0 52 ppb <br /> 10 1,1-DCA was detected at a concentration of 057 ppb <br /> I Methylene chloride was detected at a concentration of 5 6 ppb <br /> 12 Methylene chloride was detected at a concentration of 6 7 ppb <br /> 13 Methylene chloride was detected at a concentration of 8 3 ppb <br /> 14 Methylene chloride was detected at a concentration of 61 ppb <br /> Is Methylene chloride was detected at a concentration of 7 7 ppb <br /> 16 Methylene chloride was detected at a concentration of 7 9 ppb <br /> 17 Chloroform was detected at 0 557 ppb <br /> Note All EPA Method 8010 constituents were ND,except as reported above <br /> ANALYTICAL METHOD <br /> EPA Method 8010 for Halogenated Volatile Organic Compounds(HVOCs) <br /> 012100#280047 13 As of 12/06/00 <br />