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I4.3 Hydrocarbon Impacted Groundwater <br /> TPH as gasoline and toluene were detected in MW-2 at concentrations of 430 µg/L (ppb) <br /> and 0 81 ppb, respectively Benzene was detected in MW-2, MW-3 and MW-4 at <br /> concentrations of 28 ppb, 0 73 ppb and 3 ppb, respectively No ethylbenzene or xylenes were <br /> I detected in any of the water samples The results of the TPH and BTE&X analysis are <br /> summarized in Table 3 The laboratory report and chain-of-custody are included in <br /> Appendix D <br /> Several halogenated volatile organic compounds were detected in each well, including 1,1- <br /> Dichloroethane, 1,2-Dichloroethane and 1,1-Dichloroethylene The laboratory report for the <br /> IHVOC's is included in Appendix D <br /> I TABLE 3 <br /> ANALYTICAL RESULTS OF WATER SAMPLES <br /> (TPH and BTE&X) <br /> IugIl <br /> Well ID Sample TPH as Benzene Toluene Ethyl Xylene <br /> IDate Gasoline benzene <br /> MW-2 1-8-93 83 10 ND ND ND <br /> 4-8-93 ND ND ND ND ND <br /> 10-4-93 210 16 11 ND ND <br /> 1-4-94 ND 13 ND ND ND <br /> 4-6-94 430 28 0 81 ND ND <br /> MW-3 10-4-93 ND 04 ND ND ND <br /> 1-4-94 51 62 ND ND ND <br /> 4-6-94 ND 073 ND ND ND <br /> MW-4 10-4-93 ND 41 ND ND ND <br /> 1-4-94 ND 34 ND ND ND <br /> 4-6-94 ND 3 ND ND ND <br /> Ag/L pmts per bilbon(ppb) <br /> ND None Detected <br /> I5.0 CONCLUSIONS AND RECOMMENDATIONS <br /> 5.1 Hydrocarbon Impacted Soil <br /> IPetroleum hydrocarbons were detected in soil samples from VW-1 at depths of 25, 35 and <br /> 45 feet Most of the petroleum hydrocarbon impacted soil is within 15 feet of the bottom <br /> G-1-P-1-1-d.1 Se� 1- p <br /> M-161—P-P.M—QR*W 135 8 <br /> I <br />