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PRELIMIN.WY INVESTIGATION <br /> AND <br /> EVALUATION REPORT <br /> SNELL PROPERTY <br /> 711"N.'Pershiiig-Avenue, Stockton, California — - <br /> 1.0 BACKGROUND <br /> As part of an intended property purchase in 1993, the tenants of the property located at 711 N. <br /> Pershing Avenue in Stockton, California (Figure 1) retained RESNA Industries of Sacramento, <br /> California to perforin a limited soil investigation on the property. RESNA personnel drilled four <br /> shallow holes'with a hand auger and collected soil samples for laboratory analysis (Figure 2). The <br /> four samples were obtained from a depth o&cel and analyzed for the presence of petroleum <br /> hydrocarbons in the gasoline, diesel, and oil & grease ranges, as well as for various pesticides,and <br /> PCB's. DDT and/or chlordane were detected in three of the samples, and heavy hydrocarbons <br /> (diesel and oil&grease) were also detected in one of these (Table 1). Based on these results; it is <br /> our understanding that RESNA provided its client, the Swett &.Crawford Group, an estimate of <br /> the cost to further assess and remove the detected contaminants. The sale of the property has <br /> therefore been postponed pending further investigation, at the request of Swett & Crawford. i <br /> The property owners subsequently retained Upgadient Environmental Consultants of Sacramento, <br /> California in June, 1994 to develop a plan for additional investigation of the reported <br /> contamination. At the suggestion of Ivlr. Nfichael InfurYna, REAS, of San Joaquin County <br /> Environmental Health Division, Upgradient recommended a limited investigation of nearby <br /> properties to assess the'severity and extent of pesticide contamination in the area. With approval <br /> fi-om the owners, Upgradient contacted twenty surrounding properly owners, requesling access <br /> and sampling privileges. Permission was {ranted by two of these owners, in addition to the owners <br /> of the subject property. The assessment was conducted on November 19 and December 10, <br /> 1994. <br /> 2.0 SITE DESCRIPTION <br /> There is no indication that significant qwm ities of petroleum or pesticide products have ever been <br />