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f1 EDMUNDG. Baowe Ja. <br /> OPM I UOVERNOR <br /> CALIFORNIA J MAnHRY Rooalouez <br /> WaterBoards wIReRRE,RACREARY RRe.rmm,I <br /> State Water Resources Control Board <br /> REVIEW SUMMARY REPORT — ADDITIONAL WORK . <br /> PRELIMINARY REVIEW — OCTOBER 2014 <br /> Agency Information <br /> Agency Name: San Joaquin County Address: 1868 East Hazelton Avenue <br /> Environmental Health Stockton, . CX95205 <br /> Department Count <br /> Agency Caseworker: Vicki McCartney Case No , : 1408 <br /> Case Information <br /> USTCF Claim No. : 9662 GeoTracker Global ID: TO6077000670 <br /> Site Name: Chevron #9-8632 Site Address: 575 West Grant Line Road <br /> Tracy, CA 95376 <br /> Responsible Party: Chevron Environmental Address: 6101 Bollinger Canyon Road <br /> Management San Ramon, CA 94583 <br /> Attn: Ms. Alexis Fischer <br /> USTCF Expenditures to Date: $0 Number of Years Case Open: 20 <br /> To view all public documents for this case available on GeoTracker use the following URL: <br /> http:flgeotracker waterboards.ca.gov/profile_report.asp?global_id=T0607700670 <br /> Summary <br /> The Low-Threat Underground Storage Tank ( UST) Case Closure Policy (Policy) contains general <br /> and media-specific criteria , and cases that meet those criteria are appropriate for closure pursuant <br /> to the Policy. This case does not meet all of the required criteria of the Policy. Highlights of the <br /> —case foil <br /> This Site is an auto sales lot and a former commercial petroleum fueling facility. An unauthorized <br /> release was reported in June 1994 following the removal of four USTs (three gasoline, one waste <br /> oil). Reportedly, 600 cubic yards of impacted soil was excavated in the waste oil UST area to <br /> depths between 8 and 10.5 feet below ground surface (bgs) and disposed offsite in 1994. No other <br /> active remediation has been conducted. Since 1995, eight groundwater monitoring wells have <br /> been installed and monitored . According to groundwater data, water quality objectives have been <br /> achieved or nearly achieved for all constituents. Direct contact and outdoor air exposure risk <br /> potentially exists due to remaining shallow soil petroleum contamination in the former gasoline <br /> UST and dispenser areas . <br /> The petroleum release is limited to the soil and shallow groundwater. According to data available in <br /> GeoTracker, there are no public water supply wells or surface water bodies within 250 feet of the <br /> Site. No other water supply wells have been identified within 250 feet of the Site in files reviewed . <br /> The unauthorized release is located within the service area of a public water system, as defined in <br /> the Policy. The affected shallow groundwater is not currently being used as a source of drinking <br /> water, and it is highly unlikely that the affected shallow groundwater will be used as a source of <br /> drinking water in the foreseeable future. Other designated beneficial uses of the affected shallow <br /> FELICIA MARCUS, CHAIR I THOMAS HowAno, exacurwE CIReC1CR <br /> 1001 1 Street, Sacramento, CA 95814 I Malting AddreeS: P.D. Box 100, Secramanto, Ca 95012-0100 I v M waterboarde.CRUOv <br /> CS a evecan PAPER <br />