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I � <br /> Site Background Information R M B Garage (Erardi Ventures) <br />' Page 4 of 4 <br /> nominal 2-foot bentonite chip plug was installed above the filter pack and hydrated The wells were <br />' then grouted to near the surface with Portland cement,and water-tight,traffic-rated well boxes were <br /> installed over the wells <br />' TPH-g was detected 1n twelve of the soil samples collected from borings MW-1 through MW-4 and <br /> B5 at concentrations ranging from 13 mg/kg in sample MW-4-30 to 2,200 mg/kg In sample <br /> MW-3-30 TPH-d was detected in four samples at concentrations ranging from 20 mg/kg (B5-24) <br />' to 200 mg/kg(MW-4-40),and TPH-mo was detected in one sample at a concentration of 870 mg/kg <br /> (MW-3-30) <br />' One or more BTEX compounds were detected in samples collected from borings MW-1 through <br /> MW-4 and B5, the maximum concentrations were detected from sample MW-3-30 at 11 mg/kg <br />' benzene, 79 mg/kg toluene, 33 mg/kg ethylbenzene, and 128 mg/kg total xylenes <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> i <br /> Advanced GeoEnviromnental,Inc <br /> 1 <br />