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i - Case Closure Summary - - <br /> Leaking Underground Fuel Storage Tank Program <br /> I. Agency Information Date July 1, 1998 <br /> Agency name San Joaquin County Public Health Services Address P O Box 338 <br /> City/State/Zip Stockton,CA 995201-0388 Phone (209)468-3442 <br /> Responsible staff person Mr Harlin Knoll Title Senior REHS <br /> il. Site Information <br /> Site facility name Former Tosco(Unocal)Service Station#5421 <br /> Site facility address 7303 Pacific Ave,Stockton,CA <br /> RB LUSTIS Case No Local or LOP Case No 1226-123 Pnority <br /> URF filing date 11128189&4/15/98 SWEEPS No <br /> Responsible Parties Addresses Phone Numbers <br /> Tosco Marketing Company 1380 Lead Hill Road Suite 120, Roseville, CA 95661 (916)774-2910 <br /> Tank No Size in Gal Contents Closed in—Place/Removed? Date <br /> 1 10,000 Gallon Super Unleaded Gasoline Removed 11/17/89 <br /> 2 10,000 Gallon Regular Unleaded Gasoline Removed 11/17/89 <br /> 3 280 Gallon Used Oil Removed 11/17/89 <br /> 4 12,000 Gallon Super Unleaded Gasoline Removed* 4115/98 <br /> 5 12,000 Gallon Regular Unleaded Gasoline Removed* 4/15198 <br /> 6 520 Gallon Used Oil Removed* 4/15198 <br /> III. Release and Site Characterization Information * Double Wall glass/steel construction <br /> Cause and type of release Gasoline Release in Pit-cause unknown: <br /> Site characterization complete? Yes No Date approved by oversight agency <br /> Monitoring Wells Installed? Yes No Number 4 Proper screened interval? es No <br /> Highest GW depth below ground surface 39 68 ft bgs Lowest depth 59 03 ft bgs Flow direction NE <br /> Most Sensitive Current Use N/A <br /> Most Sensitive Potential Use and Probability of Use <br /> Are drinking water wells affected? Yes No Aquifer name S Ja County Basin(5B) <br /> Is surface water affected? Yes Nearest/affected SW name N/A <br /> Off-site beneficial use impacts (addresses/locations) <br /> Report(s) on fiie7 Q No I Where is report(s) fded7 San Jaoquin County Public Health Servces <br /> Treatment and Disposal of Affected Material <br /> Material Amount(Include Units) Action (Treatment or Disposal w/Destination) Date <br /> Tank(s) 2-10,000 Gallon Recycle/Disposal-H&H Ship Service, San Francisco,CA <br /> 1 -280 Gallon 11/89 <br /> Piping Approx 280 ft Recycle/Disposal-H&H Ship Service, San Francisco,CA 11189 <br /> Free Product <br /> Soil (total) 3180 Cubic yards TOTAL 1,175 Cubic yards Redwood landfill, Novato,CA 1190 <br /> 25 Cubic Yards'Laidlaw Environmental. 1/90 <br /> 1,350 Cubic yards Laidlaw Environmental 8192 <br /> roun water N/A 10 Cubic yards FORWAR Landfill 5/98 <br /> Barrels N/A <br /> PAGE 1 OF 2 <br />