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Case Closure Summary <br /> r ' <br /> Leal, Underground Fuel Storage Tar,ll_�'rogram <br /> I• <br /> Agency Information Date: February 3, 2012 <br /> Agency Name: San Joaquin County Environmental Address: 600 E. Main Street <br /> Health Department "EHD" <br /> City/State/Zip: Stockton CA 95202 Phone: 209) 468-3454 <br /> Responsible Staff Person: Michael J. Infurna Jr. Title: Senior REHS <br /> if. Case Information <br /> Site Facility Name: former 76-Unocal, now ConocoPhillips Station #5886 <br /> Site Facility Address: 2701 W. March Lane, Stockton, CA. 95219 <br /> RB LUSTIS Case: 390892 RO#: 0583 LOP Case #: 1176. URF Filing Date: 8-8-95 <br /> Responsible Parties Addresses Phone Numbers <br /> Union Oil Company of California PO Box 7600, Los Angeles, CA. 90051 <br /> (Unocal) Property Tax Division <br /> [EBob Boust, Unocal-76 2121 California Blvd #250, Walnut Creek CA 510-277-2311 <br /> dLFR:��alston Unocal Cert/Tosco 11340 Lead Hill Rd,#120, Roseville, CA. 95661 <br /> Darrell Epple 2701 W. March Lane, Stockton CA 95219 209-473-7337 <br /> Ted Moise, ConocoPhillips 76 Broadway, Sacramento, CA 95818 916-558-7604 <br /> Tank # Size (gallons)/Material Contents Closed In-Place/Removed Date <br /> 39-1176-01 12,000 gallon, steel Unleaded regular Removed 10-24-1995 <br /> 39-1176-02 12,000 gallon, steel Premium unleaded Removed 10-24-1995 <br /> 39-1176-03 12,000 gallon, steel Diesel fuel I Removed 10-24-1995 <br /> Ill. Release and Site Characterization Information <br /> Cause and Type of Release: unknown <br /> Is Site Characterization Complete? Yes Date Approved by Oversight Agency: 12-31-2010 <br /> Monitoring (& sparge) wells Installed? Number: 33 casings in 27 boreholes Proper Screen <br /> Yes Six wells are double cased/nested Interval? yes <br /> Most Sensitive Current Use: Beneficial Highest Depth: 5.13' (MW1 on 3-'98) Gradient: SW <br /> Are Drinking Water Wells Affected? No Deepest Depth: 8.28' (MW1 on 9-'97) <br /> Aquifer Name: San Joaquin River Basin. Surface Water Affected? No <br /> Nearest Surface Water: Calaveras River, 2150 feet to SSE of site. <br /> Off-site Beneficial Use Impacts: none Report(s) on file with: EHD and Geotracker <br /> Treatment and Disposal of Affected Material: <br /> Material Amount Action (Treatment or Disposal w/Destination) Date <br /> (Units) <br /> Tank(s) 3 Recycled. H&H Environmental Services, San Francisco Oct 1995 <br /> Piping —125' Recycled. H&H Environmental Services, San Francisco July 1995 <br /> Free Product none <br /> Soil 1,276 tons Hauled off-site for disposal- Forward Landfill, Manteca CA July-Oct '95 <br /> Groundwater 15,000 gals Dewatering. Recycled at Unocal refinery Oct 1995 <br /> Barrels Ongoing MW purge water from semi-annual sampling events Semi-annual <br /> Case Closure Summary Page 1 of 2 <br />