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UNDERGROUND STORAGE TANK r SanJoaquincounty <br /> State of California Environmental Health Division <br /> Environmental Protection Agency CLOSURE REVIEW FORM <br /> LUSTIS file no.: Case reviewer:Harland Knoll ,. 1 <br /> Date:1011198 i <br /> Site NamelAddress: Responsible parties: Address:c/o 3333 Beverly Rd, Phone no.: + <br /> Sears No.1288 Sears Roebuck&Co Hoffman Estales,ll 60179 847-286-5530 <br /> LL 5001 Pacific Avenue <br /> . <br /> Stockton,CA <br /> CASE INFORMATION N/A=Not A livable)j <br /> Tank No. Size in Gallons Contents Closed in- lace/Removed? ii Date `! <br /> I Tank 1 Unknown Unknown Removed 2185 <br /> f 'P <br /> i <br /> i <br /> 1I. SITE CHARACTERIZATION INFORMATION GW=groundwater <br /> GW basin:San Joaquin Valley Beneficial uses:NIA Depth to drinking water aquifer:35-40 feet estimated } i <br /> Distance to nearest municipal su we11:2,000 feet estimate Distance between known shallow GW contamination`and aquifer.N/A ! <br /> I I Site GW highest depth:NIA Site GW lowest depth:NIA Shallow water-bearing zone well screen Flow direction:NIA `- <br /> i.� interval:NIA <br /> 3 <br /> Soil Type:mainly silts sands gravels &clays low rmeabil' Maximum depth sampled:5-Feet ! <br /> 111. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS-Initial and Latest—=Not Reported,NO=Non-detect i <br /> Contaminant5oi[ m !k Water 1L Contaminant Soil m /kg) Water <br /> :i <br /> FF** Initial Latest '! -- Initial Latest Initial, Latest <br /> (1994) { (1994) (Year) (Year) <br /> TPHg 4,800 NIA — Total Lead 18 NIA — <br /> VOC18010 NID NIA — Oil&grease 460 NIA, — !i <br /> ii <br /> Benzene 0.058 NIA --' — CAM metals 220 NIA <br /> T" d (Barium) <br /> Toluene o.34 N/A — <br /> Ethylbenzene 0.12 NIA — !' <br /> Xylene 0.47 NIA --- <br /> Lr IV. SOIL REMEDIATION <br /> EI <br /> Method:UST removal 1985 intrinsic biodegradation 1985-1998 Duration of remediation:NIA <br /> V. GROUNDWATER REMEDIATION it <br /> 111��a------ Method;NIA ; Duration of remediation:NIA ;I <br /> VI. FREE PRODUCT: <br /> Was free product encountered? No Has free product been totally recovered? NIA <br /> When was free product recovery project completed? NIA <br /> VII. RECOMMENDED ACTION: <br /> Soil closure onV. Not applicable Case Closure: Yes Solvent Case2 No it ? <br /> CAdditional Action Required i.e.: additional site assessment,remediation,monitoring): None ?I <br /> VIII. JUSTIFICATION FOR RECOMMENDED ACTION: <br /> 1 Source removed by UST removal 1985 roduct1ine and impacted soil removal 1994 2 No phase-separated liquid hydrocarbons, <br /> 4 i <br /> 3 No waste oil storage at site since 1985 4 Impacted soil at site not in communication w/drink9n water. F <br /> 5)Ongoing blodegmdationlattenualion in soil,likely to continue. 6)Low-permeability soil types and asphalt surface limit surface water infiltration and <br /> flushing of hydrocarbons in soil and groundwater. <br /> y <br /> i <br /> 128aStkn.rfc I <br /> it r! <br /> ` in <br />