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I <br /> 11(VA%TC <br /> A S S O C I A T E S I N C <br /> No oxygenate fuel additives were detected above laboratory method detection limits in any soil <br /> 1 samples collected from soil boring MW 1 <br /> Analytical results are summarized in Table 1 Laboratory data sheets and sham-of-custody <br /> 1 documentation is presented in Appendix C <br /> 4.2 Groundwater Analytical Results <br /> 1 Thesam roundwater le collected from well MW 1 contained detectable concentrations of TPHg, <br /> g P <br /> TPHd, TPBk, BTEX, and methyl tertiary butyl ether (MTBE) No other oxygenate fuel additives <br /> were detected above laboratory method detection limits including ethanol, t-butanol, di-isopropyl <br /> ether, ethyl t-butyl ether, and t-amyl methyl ether Analytical results for groundwater are <br /> 1 summarized in Table 2 Laboratory data sheets and chain-of-custody documentation are <br /> contained in Appendix C <br /> ' 5.0 DISCUSSION <br /> Based on the analytical results and field observations, the soil and groundwater beneath the <br /> location of the former 3,000-gallon UST are impacted by petroleum hydrocarbons The extent of <br /> impacted soil appears to be limited to depths above 45 to 50 feet bgs The extent of impacted <br /> groundwater is unknown None of the soil or groundwater samples collected from 4he beneath <br /> ' the location of the former 3,000-gallon UST contained oxygenate fuel additives with the <br /> exception of MTBE detected in groundwater at a low concentration <br /> 1 <br /> w w2577\rq)orts\surmi aoc 4 <br />