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vS EDMUNO G.BROWN JR. <br /> GOVERNOR <br /> CALIFORNIA MATTHEW <br /> OODRIQUEZ <br /> WaterBoards ENVIRONMENTAL PROTECTION <br /> State Water Resources Control Board <br /> USTCF 5-YEAR REVIEW SUMMARY <br /> 5T" REVIEW—APRIL 2012 <br /> Agency Information <br /> Agency Name: San Joaquin County LOP Address: 600 East Main Street, <br /> Stockton, CA 95202 <br /> Agency Caseworker: Vicki McCartney <br /> Case Information <br /> Case No: 2224 Global ID: T0607700906 <br /> Site Name: ARCO — Hammer/1-5 Site Address: 3250 West Hammer Lane, <br /> Stockton, CA 95209 <br /> Responsible Party: ARCO Address: 3250 West Hammer Lane, <br /> Stockton, CA 95209 <br /> USTCF Claim No.: 15783 Number of Years Case Open: 12 <br /> USTCF Expenditures to Date: $363,536 <br /> ;Tank Information <br /> Tank No. Size in Gallons Contents Closed in Place/ <br /> Removed/Active <br /> 1-3 12,000 Gasoline Active <br /> Release Information <br /> • Source of Release: UST system <br /> • Date of Release: The reported date of the release is 1/18/2000 <br /> • Affected Media: Soil and groundwater <br /> Site Information <br /> • GW Basin: San Joaquin Valley— Eastern San Joaquin <br /> • Beneficial Uses: Municipal and domestic water supply <br /> • Land Use Designation: None specified, aerial photo show site is commercial <br /> • Distance to Nearest Supply Well: According to data available in GeoTracker, there are <br /> no California Department of Public Health (CDPH) regulated Public Supply Wells within <br /> 'h mile of the Site. <br /> • Minimum Groundwater Depth: 10.52 feet below ground surface (bgs) at monitoring well . <br /> MW-3 <br /> • Maximum Groundwater Depth: 18.26 feet bgs at monitoring well MW-6 <br /> • Groundwater Flow Direction: Predominately to the northeast with an average gradient of <br /> 0.001 feet/foot (ft/ft) in October 2011. <br /> • Soil Types: The Site is underlain by interbedded and intermixed sand, silt and clay <br /> CHARLES R. HOPPIN, CHAIRMAN I THOMAS HOWARD, EXECUTIVE DIRECTOR <br /> 1001 1 Street,Sacramento,CA 95814 1 Mailing Address:P.O.Box 100,Sacramento,CA 95812-0100 1 www.waterboards.ca.gov <br /> `�RECYCLED PAPER <br />