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2.0 SITE CHARACTERIZATION <br /> _ I <br /> 2.1 Background <br /> The U.S. Can Company currently operates a specialty can fabrication plant at <br /> 35275 Welty Road. The area of interest for this investigation is the northeast side of the Can <br /> 1 Fabrication Plant, where a condensate outlet pipe was formerly located (Figure 2-1). This outlet <br /> may have been a source of TCE to the soil and groundwater at the site. <br /> In addition to the condensate outlet pipe location, several additional areas of <br /> I potential environmental concern have been identified in previous reports (ERM, 1995a) including: <br /> '1 <br /> • Former waste/burn pit removal area; <br /> Gasoline storage tank removal area; <br /> • Septic tank, <br /> • Former chemical storage shed area; <br /> • Former wash water discharge area; <br /> • Former above ground storage tank; <br /> These areas are not addressed in this report. <br /> i <br /> Soil and groundwater samples were collected during previous environmental <br /> investigations in the area near the former condensate outlet pipe (ERM-West, 1995 a & b; <br /> Geological Technics, 1996). Most recently, three soil borings and a groundwater monitoring well <br /> MW-1 were installed in October 1996 directly beneath the former condensate pipe outlet . Soil <br /> samples collected to date indicate TCE in concentrations up to 5,900 µg/Kg at 4 feet below <br /> ground surface (bgs), generally decreasing to a maximum 1,500 �ig/Kg at 10 feet bgs. TCE was <br /> not detected in groundwater samples collected from MW-1 in September 1996. However, the <br /> detection limit for TCE was raised.to 1,000 ug/L due to sample dilution, which was necessary <br /> I ® I <br /> 35275 Welty Road,Vernalis 4 March 1997 <br />