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Preliminary Endangerment Assessment Work an <br /> Former RV CIRCUITS FACILITY JUN 6 20M <br /> 916 South Center Street, Stockton, California ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> 1.0. INTRODUCTION <br /> At the request of Mr. John Hinkel, owner of the above-referenced property, Advanced <br /> GeoEnvironmental,Inc. (AGE)has prepared this Preliminary Endangerment Assessment Work Plan <br /> for the former RV Circuits facility. This work plan includes a sampling plan and a site safety plan. <br /> The scope of work is to collect samples of various media on the site for laboratory analysis to assess <br /> for metals-impacted soil, ground water or building materials on the site. The location of the site is <br /> illustrated in Figure 1. A plan view of the site is illustrated on Figure 2. <br /> This work plan has been prepared utilizing Preliminary Endangerment Assessment Guidance <br /> Manual, prepared by the California Environmental Protection Agency - Department of Toxic <br /> Substances Control (DTSC) as a guideline for this subsurface investigation. The scope of work <br /> presented in this work plan is an outgrowth of a scoping meeting held at the site on 14 March 2000 <br /> between representatives of the DTSC,AGE,Mr. John Hinkel and the County of San Joaquin Public <br /> Health Services - Environmental Health Division (PHS-EHD). <br /> 2.0. BACKGROUND <br /> According to Sanborn Fire Insurance Maps issued in 1895, 1917 and 1950, the subject site was <br /> utilized for various domestic structures. The 1972 Sanbom Map shows what appears to be the <br /> commercial structure currently occupying the site, which was utilized as an auto painting facility. <br /> The structure had concrete floors; no storage of hazardous materials was noted on the map. <br /> Selected Haines Directories for Northern San Joaquin Valley, issued between 1971 and 1998 and <br /> selected Polk Directories issued between 1912 and 1967 were reviewed at the San Joaquin County, <br /> Caesar Chavez Library in Stockton to compile a record of occupants of the property. The directories <br /> list information by street name then by address. Haines Directories prior to 1971 were not available <br /> for review. Polk Directories prior to 1912 list information by occupant and not by street, from 1912 <br /> to 1956 they list only Stockton and Lodi street names and from 1957 to the present list only Stockton <br /> street names. <br /> The Polk Directories list residential occupants of the property from 1935 to 1959, no listing from <br /> 1960 to 1971, Rainbow Body Shop from 1972 to 1975; "no return" from 1976 to 1986, California <br /> Water Service in 1987 and 1988, and RV Circuits in 1990. The Haines Directories list the Rainbow <br /> Body Shop in 1971, 1974, 1978 and 1981; no listing for 1986; RV Circuits in 1990 and 1994; and <br /> had no listings for 1999 and 2000. The Haines directory indicated that the first RV Circuits listing <br /> was in 1989. <br /> Advanced Geo Environmental,Inc <br />