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1 <br /> 1 <br /> The principal suspected contaminants included polychlorinated <br /> ' biphenyls (PCBs) and lead (Pb) . According to AFPC, batteries were <br /> formerly stored in the truck parking area next to Yankee Stadium. <br /> ' Spilled battery acid or leaking batteries may have leached lead (Pb) <br /> into the surface soils. In addition, waste oil and hydraulic oil <br /> ' were previously disposed of in the maintenance shop ditch and along <br /> the western boundary fence. PCBs may be an ingredient in the <br /> hydraulic oil. <br /> 1 <br /> Analyses were also performed for gasoline/diesel in the maintenance <br /> ' shop ditch and oil/grease in the lumber storage area where <br /> incidental spills of vehicle fuels and oils may have occurred in the <br /> ' past. In addition, analyses were performed for pentachlorophenol <br /> (PCP) , tetrachlorophenol (TCP) , arsenic (As) , chromium (Cr) , copper <br /> t (Cu) , and mercury (Hg) in an area around a concrete foundation in <br /> the truck parking area. This foundation may be part of an abandoned <br /> fungicide dipping tank. <br /> ' The following is a discussion of the Phase 1 chemical analysis <br /> tprogram. <br /> Truck Parking Area. Shallow (0 to 2 feet) soil samples in the truck <br /> parking area were analyzed for PCB and Pb. Analytical results are <br /> summarized in Table 4. Surface (0 to 1 foot) soil samples at <br /> ' locations Pll, P12, and P13 were analyzed for PCP, TCP, As, Cr, Cu, <br /> and Hg. Analytical results are summarized in Table 5. <br /> ' Lumber Storage Area. Surface (0.5 to 1 foot) soil samples in the <br /> ' lumber storage area were analyzed for oil/grease. Analytical <br /> results are summarized in Table 6. <br /> ' Maintenance Shop Ditch. Shallow (0 to 3.5 foot) soil samples in the <br /> maintenance shop ditch were analyzed for PCB, Pb, and gasoline/ <br /> ' diesel. Analytical results are summarized in Table 7. <br /> 4 <br /> 2611F <br />