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Case Closure Summary <br /> Leakg Underground Fuel Storage Tan}�c Program <br /> I. A enc Information <br /> Agency Name: SAN JOAQUIN COUNTY EHD Address: 1868 E. HAZELTON AVE. <br /> 209 <br /> City/State/Zip: STOCKTON CA 95205 Phone: ( )468-3442 <br /> Responsible Staff Person: KNOLL Title: REHS <br /> l <br /> ll. Case Information <br /> Site Facility Name: FORMER LANGSTON ARCO <br /> Site Facility Address:15615 S. SEVENTH STREET, LATHROP, CA 95330 <br /> 1/1990 <br /> RB LUSTIS Case No: 390520 Local/LOP Case No: 1503 URF Filing Date: 06/2 { <br /> Responsible Parties Addresses Phone Numbers <br /> James M. Langston Langston, James M. Est. (209) 858-4388 <br /> 1416 Ironwood Place <br /> Manteca, CA 95336 <br /> I <br /> Tank# Size (gallons) Contents Closed In-Place/Removed Date <br /> 39-1503-01 4000 Gasoline Removed 04/02/1991 <br /> 39-1503-02 4000 Gasoline Removed 04/02/1991 <br /> 39-1503-03 4000 Gasoline Removed 04/02/1991 <br /> III. Release and Site Characterization Information <br /> Cause and Type of Release: Failed UST Precision Test June 1990 <br /> Site Characterization Complete?Yes Date Approved by Oversight Agency: 03/22/2012 <br /> Monitoring Wells Installed?Yes I Number: 13 Proper Screen Interval?Yes <br /> High GW Depth(bgs):10.14' (MW1,03/12/1998) Low Depth:19.95' (MW2,09/22/2004) Gradient: Variable, <br /> Last determination NW in 2010 <br /> Most Sensitive Current Use: Beneficial Are Drinking Water Wells Affected? No <br /> Aquifer Name: S.J. Watershed Is Surface Water Affected? No Nearest Surface Water: San Joaquin River, 2 miles West <br /> Off-site Beneficial Use Impacts: None Report(s) on file with: EHD & Geotracker <br /> Treatment and Disposal of Affected Material <br /> Material Amount(Units) Action(Treatment or Disposal w/Destination) Date <br /> Tank(s) 3/4000 gal. USTs Recycled at Levin Metal Corp., 600 4,n Street, Richmond, CA 1991 <br /> Piping Unknown Unknown unknown <br /> Free Product <br /> Soil 5,500 tons Forward Landfill, Manteca, CA 1995 <br /> 2.95 tons Instrat Inc.,1195 C Air ort Rd., Rio Vista, CA 11/7/2012 <br /> Groundwater 200,000+ gals. City Of Manteca sanitary sewer/POTW 1995 <br /> 95%water/5% 280 gals. Ramos Environmental, 1515 South River, West Sac.,Ca 04/09/1991 <br /> fuel rinsate <br />