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1 Case Closure Summary <br /> , L,-�ning Underground Fuel Storage Tank Prc_ , ,m <br /> 1. Agency Information Date: October 18, 2001 <br /> Agency Name: San Joaquin County Public Health Address: 304 East Weber Ave,Third Floor <br /> Services, Environmental Health Division "PHS-EHD" <br /> City/State/Zip: Stockton CA 95202 Phone: (209) 468-3454 <br /> Responsible Staff Person: Michael J. Infurna Jr. Title: Senior REHS <br /> II. Case Information <br /> Site Facility Name:) Unocal#0123 (former] <br /> Site Facility Address: 1034 Central Ave.,Tracy <br /> RB LUSTIS Case No: RO#//LOP Case No:000616 Sweeps No: 505099 URF Filing Date: 5125194 <br /> Responsible Parties Addresses Phone Numbers <br /> Unocal Corporation, Nick Nickerson 8788 Elk Grove Blvd, Bldg 3,Ste 15, Elk Grove,95624 (916) 714-3205 <br /> Kimberly Ayers& Leesa Ward 1034 Central Ave,Tracy CA. 95376-3915 (209)-836-1404 <br /> Wells Fargo Bank/Corp Prop Group 633 Folsom St., e Floor, San Francisco, CA., 94107 <br /> Arthur Barbour <br /> Tank# Size Contents Closed In-Place/Removed Date <br /> (gallons)/Material <br /> Pre-1965 4 USTs 500,2600,4000, 6000, Leaded gasoline, &waste Removed pre-1965 prior to Pre-1965 <br /> No PHS-EHD#s oil PHS-EHD oversight. <br /> 39-505099-01 550 steel Leaded gasoline Removed, 11-26-96 <br /> 39-505099-02 550 steel Leaded gasoline Removed, 11-26-96 <br /> 39-505099-03 540 or 1000 gallon Leaded gasoline Grouted in-place 12-11-96 <br /> III.Release and Site Characterization Information <br /> Cause and Type of Release: unknown <br /> Is Site Characterization Complete? YES Date Approved by Oversight Agency 05-09-01 <br /> Were Monitoring Wells Installed? Yes Number: 8 Proper Screen Interval?Yes j <br /> Most Sensitive Current Use: BENEFICIAL Lowest DTW: 12.25' bgs Gradient: NNE <br /> Are Drinking Water Wells Affected? No Highest DTW: .82' b s <br /> Aquifer Name: San Joaquin River Basin. Is Surface Water Affected? NO Nearest Surface Water X5.0 miles <br /> Off-site Beneficial Use Impacts (Address/Locations): none Report(s) on file with: Environmental Health <br /> Treatment and Disposal of Affected Material: <br /> Material Amount Action (Treatment or Disposal w/Destination) Date <br /> Units <br /> Tank(s) 4---------------- Unknown for"pre-1965" (4) U Ts. Pre 1965 <br /> 2-&-1--------- 2 to Erickson's, Richmond. 1 left in lace, concrete routed 11-26,12-11-96 <br /> Piping --20' From (2) USTs removed November 1996 to Erickson's , Richmond. 11-26-96 <br /> 1 <br /> Free Product none <br /> Soil 75 cubic yds Forward landfill,Stockton via ON-HAZ bill of laden. 1-11-96 j <br /> Groundwater Varied Purge-water only from Monitoring wells. Hauled by Gettler Ryan Quarterly <br /> quarterly,taken to Tosco. <br /> Case Closure Summary Page 1 of 2 <br />