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0 <br /> Bechtel National, Inc. <br /> Engineers-Constructors <br /> tFifty Beale Street <br /> San Francisco,California <br /> MaIlAddress:PO Bax 3965.San Francisco,CA 94119 <br /> ' October 4, 1985 <br /> 1 <br /> ' Mr. Marvin Palmer <br /> American Forest Products Company <br /> 1 Stockton Division <br /> 1800 Marshall Avenue <br /> Stockton, CA 95205 <br /> ' Dear Marv: <br /> The interim report provides as summary of the results of Bechtel <br /> ' National, Inc. 's (BNI)- Phase 1 site contamination investigation at the <br /> Stockton Division facility of the American Forest Products Company <br /> (AFPC) . This investigation was conducted by BNI at the request of AFPC to <br /> ' address concerns voiced by the California Department of Health Services <br /> (DOHS) in an inspection report dated March 6, 1984. <br /> DOHS is concerned that site contamination may have occurred in the truck <br /> ' parking/lumber storage areas and in areas around the maintenance shop <br /> from previous operations at the facility. These include the storage of <br /> batteries in the truck parking area and the disposal of waste oil and <br /> ' hydraulic oil in the maintenance shop ditch and along the facility's <br /> western boundary fence. <br /> ' The primary contaminants of interest at this site are polychlorinated <br /> biphenyls (PCB) and lead (Pb) . PCBs may be an ingredient in the hydraulic <br /> oils used at the site. In addition, Pb may have leached from spilled <br /> battery acid or leaking batteries. Analyses were also performed for <br /> ' pentachlorophenol (PCP) , tetrachlorophenol (TCP) , metals (arsenic-As, <br /> Chromium-Cr, copper-Cu, mercury-Hg) , oil/grease and gasoline/diesel. <br /> t In the truck parking area, PCBs were not detected and concentrations of <br /> As, Cr, Cu, and Hg were consistent with background samples. Therefore, it <br /> does not appear that contamination from these substances is present in <br /> ' the truck parking area. Pb concentrations were consistent with background <br /> samples except at one location approximately 40 feet along the western <br /> boundary fence from Yankee Stadium. Pb concentration at this location was <br /> 200 ppm. This elevated concentration could be the result of an isolated <br /> 1 <br />