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Case Closure Summary � <br /> Leaking Underground Fuel Storage TankFrogram <br /> 1. Agency Information Date: 09/28/98 <br /> Agency Name: SAN JOAQUIN COUNTY PHS/EHD Address:. 304 EAST WEBER AVENUE, THIRD FLOOR <br /> City/State/Zip: STOCKTON CA 95202 Phone: (209)468-3442 I <br /> Responsible Staff Person: HARLIN KNOLL Title: SENIOR RENS s <br /> li. Case Information { <br /> Site Facility Name: CHEVRON SERVICE STATION#9-0342' <br /> Site Facility Address: 1347 S EL DORADO ST, STOCKTON <br /> RB LU TIS Case No: Local/LOP Case No: 10802 Sweeps No: URF Filing Date: 90-U20 <br /> Responsible Parties Addresses Phone Numbers <br /> CHEVRON USA 2410 CAMINO RAMON (510) 842-8695 <br /> SAN RAMON CA 94583-0804 <br /> ` Tank# Size.(gallons) Contents Closed In-Place/Removed Date <br /> 1 10,000 UNLEADED TANK REMOVED 09/01/89 <br /> y <br /> 2 10,000 REGULAR TANK REMOVED 09/01189 <br /> 3 10,000 UNLEADED TANK REMOVED 09/01189 <br /> 4 1,000 WASTE OIL TANK REMOVED 09/01189 <br /> 5 5,000 UNKNOWN TANK REMOVED 02/09/90 } <br /> J <br /> 6 5,000 UNKNOWN TANK REMOVED 02/0 9190 <br /> 7 550 WASTE OIL TANK REMOVED 12/30191 <br /> III. Release and Site Characterization Information <br /> Cause and Type of Release: UNAUTHORIZED <br /> Site Characterization Complete? YES Date Approved by Oversight Agency: 09/29/97 <br /> Monitoring Wells Installed? YES Number. 4 Proper Screen interval?YES <br /> High GW Depth(bgs): 32' Low Depth: 47' Gradient: NORTHEAST <br /> Most Sensitive Current Use: Are Drinking Water Wells Affected? NO <br /> Aquifer Name: SACRAMENTO/SAN JOAQUIN BASIN Is Surface Water Affected? NO Nearest.Surface Water: NIA <br /> Off-site Beneficial Use Impacts (Address/Locations): NONE Report(s) on file with: PHSIIEHD <br /> Treatment and Disposal of Affected Material <br /> Material Amount(Units) Action(Treatment or Disposal wlDestination) Date <br /> Tanks 5 PROD 1 2 W. OIL HAULED AS HAZARDOUS TO ERICKSON, RICHMOND CA 1989 -1991 <br /> Piping UNKNOWN HAULED AS HAZARDOUS TO ERICKSON- - 1989 -1991 <br /> Free Product NIA NIA NIA <br /> Soil 600 CYDS115 CYDS .600 CYDS AERATED ON SITE& BACK FILLED 01190 <br /> .15 CYDS HAULED TO FORWARD LANDFILL 01192 <br /> Groundwater VARIOUS RECYCLED AT CHEVRON REFINERY 1990 -1996 <br /> Barrels NIA NIA NIA <br /> s <br />