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EDMUND G. Bgown JR. <br /> GOVERNOR <br /> \ J MAEREW FOR OORlouez <br /> Water Boards \� TARY ENVIRONMENTAL PROTECTION <br /> State Water Resources Control Board <br /> REVIEW SUMMARY REPORT — ADDITIONAL WORK <br /> SIXTH REVIEW- OCTOBER 2013 <br /> Agency Information <br /> Agency Name: San Joaquin County Address: 1868 East Hazelton Avenue, <br /> Environmental Health Stockton, CA 95205 <br /> Department (County) <br /> Agency Caseworker: Lisa Medina Case No. : 2486 <br /> Case Information <br /> USTCF Claim No. : 12235 GeoTracker Global ID: T0607700523 <br /> Site Name: Stallworth Auto Detail Site Address: 602 California Street N , <br /> Stockton , CA 95205 <br /> Responsible Party: Gary Stallworth Address : 602 California Street, <br /> Stockton, CA 95202 <br /> USTCF Expenditures to Date: $624, 615 Number of Years Case Open: 22 <br /> URL: http:ilqeotracker.waterboards.ca.gov/Profile report asp?global id=T0607700523 <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. A summary <br /> evaluation of compliance with the Policy is shown in Attachment 1 : Compliance with State <br /> Water Board Policies and State Law. The Conceptual Site Model upon which the evaluation of <br /> the case has been made is described in Attachment 2: Summary of Basic Case Information <br /> (Conceptual Site Model). Historical recommendations for the case are summarized in <br /> Attachment 3. Highlights of the case follow: <br /> This case involves a used auto dealership that was a former gasoline station . An unauthorized <br /> release was reported in August 1991 following the removal of four USTs (one diesel, one waste oil <br /> and two gasoline) in May 1991 Soil vapor extraction was conducted between September 2010 and <br /> August 2011 which reportedly removed approximately 10,201 pounds of hydrocarbons. <br /> Groundwater Remediation : ISCO pilot test between April and July 2012. ISCO has been <br /> approved . Since 1996, fourteen groundwater monitoring wells have been installed and regularly <br /> monitored. According to groundwater data, water quality objectives have not been achieved . <br /> The petroleum release is limited to the soil and shallow groundwater. According to data available <br /> in GeoTracker, there are no supply wells regulated by the California Department of Public Health <br /> within 1 , 000 feet of the Site in a downgradient direction . No surface water bodies have been <br /> identified within 1 , 000 feet of the Site in files reviewed. Water is provided to water users near the <br /> Site by the California Water Service. <br /> FELICIA MARCUS, CHAIR I THOMAS HOWARD, EXECUTIVE OFFICER <br /> 1001 1 Street, Sacramento, CA 85814 Mailing Address: P.O. Box 100, Sacramento, Ca 95812-0100 www.waterboards.ca.gov <br /> Ci RECYCLE PAPER <br />