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f-' <br /> I <br /> Two adjoining warehouses are located at the northeastern portion <br /> of the Site. A trailer is located at the northwest corner of the <br /> Site. One conveyor and shredder mach'ne is located at the <br /> western portion of the Site. One transformer was located along <br /> the western perimeter of the Site . <br /> 3 .0 BACKGROUND <br /> A preliminary site investigation was performed by Advanced <br /> � . GeoEnvironmental Inc . (AGI) in July 1999 . A total of two soil <br /> samples and three grab groundwater samples were collected from <br /> four borings at a depth of approximately 1.3 feet to 21 feet below <br /> the existing ground surface . Based on the results of the limited <br /> site investigation, it appeared that the underlying sediments and <br /> groundwater at the northern portion of the Site; and soil and <br /> groundwater located approximately at the central portion of the <br /> Site contained detectable concentrations of total petroleum <br /> hydrocarbons (TPH) as gasoline (TPHg) TPH as diesel (TPHd) , and <br /> TPH as motor oil (TPHo) . Additionally, the water reportedly <br /> collected within the 550-gallon UST located at the eastern <br /> portion of the Site contained elevated concentrations of TPHg, <br /> TPHd, and benzene, toluene, ethylbenz ne, and xylenes (BTEX) . <br /> Bamer Construction Company removed the above mentioned 550-gallon <br /> UST in September 1999 . Soil samples collected beneath the UST <br /> and from the soil overlying the UST contained non-detectable <br /> concentrations of TPHg, BTEX, and methyl tertiary-butyl ether <br /> (MTBE) ; and low to non-detectable concentrations of lead. The <br /> soil sample collected beneath the pipeline located directly <br /> adjacent to and east of the UST contained non-detectable <br /> concentrations of BTEX, MTBE, and detectable concentrations of <br /> TPHg and lead. Sample results of the preliminary site <br /> investigation and UST removal activities are summarized in Figure <br /> 2 . <br /> 4. 0 SITE INVESTIGATION <br /> The site investigation will consist of collecting soil and <br /> groundwater samples from three borings and three monitoring <br /> wells . A total of five groundwater samples will be collected. <br /> Two grab groundwater samples will be collected from two boring <br /> locations; and three groundwater samples will be collected from <br /> the monitoring wells . <br /> 2 <br /> t , <br />