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EOMUNo G BROWN JR <br /> � OOVERN:R <br /> C ALI1011M1• <br /> SECA ETA FOPUP10UEZ <br /> Water Boards Vol; ENVIW,NMENTAI PROTECRON <br /> State Water Resources Control Board <br /> REVIEW SUMMARY REPORT—CONCUR <br /> SIXTH REVIEW— DECEMBER 2014 <br /> Agency Information <br /> Agency Name: San Joaquin County Address: 1868 East Hazelton Avenue <br /> Environmental Health Stockton, CA 95205 <br /> Department Count <br /> -Agency Caseworker: Gabriel Gonzalez Case No.: 2512 <br /> Case Information <br /> USTCF Claim No.: 12741 GeoTracker Global ID: T0607700802 <br /> Site Name: Super Center Mart Site Address: 701 East Charter Way <br /> Stockton, CA 95201 <br /> Responsible Party: Khaldoon Othman Address: Private Address <br /> USTCF Expenditures to Date: $822,635 Number of Years Case Open: 17 <br /> To view all public documents for this case available on GeoTracker use the following URL: <br /> hftp://geotracker.waterboards.ca.gov/profile report.asp?global id=T0607700802 <br /> Summary <br /> The Low-Threat Underground Storage Tank (UST) Case Closure Policy(Policy) contains <br /> general and media-specific criteria, and cases that meet those criteria are appropriate for <br /> closure pursuant to the Policy. This case may meet all of the required criteria of the Policy. <br /> Highlights of the case follow: <br /> This case is an active commercial petroleum fueling facility. An unauthorized release was <br /> reported in June 1997, Three gasoline USTs and 341 tons of impacted soil was excavated, <br /> disposed offsite, and replaced with clean fill in February 1998. Dual phase extraction was <br /> conducted between January 2011 and January 2014 for a total of 12,468 hours, which had <br /> extracted 3 million gallons of groundwater and 5,994 pounds of total petroleum hydrocarbons as <br /> gasoline (TPHg). The rate of TPHg removal in December 2013 was approximately 0.2 pounds <br /> per day. Since 1998, 16 groundwater monitoring wells have been installed and monitored. <br /> According to groundwater data, water quality objectives have not been achieved in the source <br /> area. <br /> The petroleum release is limited to the soil and shallow groundwater. According to data <br /> available in GeoTracker, there are no public water supply wells or surface water bodies within <br /> 1,000 feet of the defined plume boundary. No other water supply wells have been identified <br /> within 1,000 feet of the defined plume boundary in files reviewed. The unauthorized release is <br /> located within the service area of a public water system, as defined in the Policy. The affected <br /> shallow groundwater is not currently being used as a source of drinking water, and it is highly <br /> unlikely that the affected shallow groundwater will be used as a source of drinking water in the <br /> foreseeable future. Other designated beneficial uses of the affected shallow groundwater are <br /> not threatened, and it is highly unlikely that they will be, considering these factors in the context <br /> FFLIGA MATIGI/S, CHAIR I THOMAS HOWARD, ERECUTWE DIRECTOR <br /> 1001 1 Street.Sacramento.CA 95814 1 Mailing Address P.O Box 100,Sacramento. Ca 958120100 1 www waterboards ca.gov <br /> —1--PAPFR <br />