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Page 1 WORK PLAN for SUBSURFACE INVESTIGATION This Scope of Work for the Judicial Council of California - Administrative Office of the Courts (JCC/AOC) RFP 208 has been developed for the property identified as the New Stockton Courthouse, Hunter Square, Stockton, California (see Figure 1) and Stockton Future Courthouse Alternate Site, Stockton, California, a vacant, 4.1- acre, area bounded by Washington, Lincoln, Market and Madison Streets in the City of Stockton (see Figure 2). This scope of work is preliminary to a potential property transfer and is NOT being directed by any regulatory agency. The JCC/AOC would like to conduct a subsurface investigation at the sites to verify the presence or absence of contaminants in the groundwater beneath the sites. Site 1: Hunter Square. The site is presently owned by the City of Stockton. See attached for the City of Stockton Encroachment Permit. The elevation of the Site is approximately 15 feet above mean sea level (amsl) and fluctuates in elevation within a one-mile radius from 18 to 14 feet amsl traversing north to south, and from 0 to 22 feet amsl traversing west to east. The Site is located in the approximate center of downtown Stockton, approximately three blocks north of State Highway 4. The Site has been a parking lot since 1963, and a decorative fountain was added around 1970. At present, the Site is 50% asphalt paved, and 50% decorative fountain and grass landscape. The Mormon Slough flows east to west approximately seven blocks south of the Site, and into the Stockton Deep Water Channel. Storm water and surface water discharges by sheet flow to street gutter storm drains and to storm drains in paved parking lots, and matriculates directly into those landscaped portions of the Site. Groundwater flows in a westerly direction. Shallow groundwater beneath the site is found between six feet and 14 feet below ground surface. There are existing LUST cases that might be impacting the shallow groundwater beneath the Site. They are Weber Block located at Weber Avenue and El Dorado Street, Motor Pool and San Joaquin County Support Services located at 222 E. Weber Avenue, and San Joaquin County Motor Pool located at 130 N. Hunter Street. Site 2: Area bounded by Washington, Lincoln, Market and Madison Streets. The site is owned by the City of Stockton Redevelopment Agency and is signified by vacant and undeveloped land. The site has been in its present condition since 1987. See attached for the City of Stockton Redevelopment Agency Right of Entry permission. The elevation of the Site is approximately 13 feet above mean sea level (amsl) and increases in elevation within a one-mile radius from 7 to 18 feet amsl traversing west to east, and decreases in elevation within a