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ARCADIS Work Plan for Phase II Environmental Site Assessment (ESA) as Part of Property Transaction at 2041 Navy Drive in Stockton, California. Background Information The following summary of backgroundfo 30ation was 1989, for the LIKA Corporation and the ased on review of the Final Remedial Action Plan (RAP), dated January Draft Final Site Closure Report, dated June 1990, for LIKA Corporation's Former Circuit Board Manufacturing located at 2041 Navy Drive in Stockton, California(Site, Figure 1). ■ LIKA manufactured electronic circuit boards and performed plating operations at the Site from 1969 to 1985. ■ Drums of spent plating solution and other hazardous wastes were periodically dumped outside the building unto the ground. Solutions were also kept in the sump inside the building,which were periodically lllecdand sand ampled for ■ Several hundreds of soil and groundwater samples were collected metals (chromium VI,tin,nickel, lead, and copper) and pH. ■ Results indicated shallow soil impacted with copper and lead above hazardous waste levels, groundwater levels were below regulatory cleanup levels. ■ Remediation consisted of soil excavation,treatment, and disposal over 41 weeks. ■ The Site received"no further action"on November 3, 1994 by the California Regional Water Quality Control Board, Central Valley Region on November 3, 1994. Proposed Field Investigation ARCADIS proposes to advance four soil borings at Ben's Auto Dismantler,located at Site since 1995, as part of a property transaction screen. Prior to initiating the field activities, ARCADIS will perform the following tasks: ■ Get the appropriate permit from the San Joaquin County Environmental Health Department. ■ Prepare a site Health and Safety Plan (HASP)in accordance with the Occupational Safety and Health Administration(OSHA) and the California Occupational Safety and Health Administration(Cal-OSHA)regulatory requirements. The HASP will incorporate site-specific considerations including known hazards, emergency evacuation routes, emergency response procedures, and the location of the nearest hospital. The HASP will be communicated to all project staff. ■ Retain a utility locating service to provide clearance of all boring locations in advance of the drilling activities. Underground Service Alert(USA)will also be contacted to confirm that no underground utilities are within the boring locations. v0 ,