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Health and Safety Plan, Subsurface Investigation Potential New Court Site, Stockton, California 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 (amsD 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 one-mile radius from 15 to 11 feet amsl traversing north to south. The Site is located west of the downtown business district in an area of office, commercial, light industrial, residential, educational, and recreational uses. The Site parallels State Highway 4 one block to the south. The Site is approximately in the yoke of the confluence of the Stockton Deep Water Channel which runs east to west approximately three blocks north of the Site and the Mormon Slough which runs southeast to northwest approximately three blocks south of the Site and due north approximately 1/2 block west of the Site. Storm water and surface water discharges by sheet flow to street gutter storm drains, and matriculates directly into those undeveloped portions of the Site. The shallow aquifer groundwater flow direction at the Site is away from the Stockton Deep Water Channel and away from the Mormon Slough. The local groundwater system is being recharged from surface water within the channel and slough. The shallow groundwater beneath the site is found greater than 6 feet below ground surface. In August 2001 a subsurface investigation of the area bounded by Market Street, Van Buren Street, Washington Street, and Lincoln Street concluded that groundwater beneath this area exhibited a lead concentration at 210 micrograms per liter (ug/L). Additionally, there may be LUST cases that might be impacting the water channels surrounding the site, and consequently the shallow groundwater beneath the site. 3.1.3 Site Analytical Data There is no site analytical data. Project 104290.19.01 9 January 2009