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I1 1 E E �111 E© Shaw Environmental, Inc <br />' L� 1326 North Market Boulevard <br /> MAY 0 2 2003 Sacramento, CA 95834-1912 <br /> t 916 928 3300 <br /> ENVIRURMENI HEALTH Fax 916 565 4356 <br /> 1 ShaW Shaw Environmental, Inc PERMIT/SERVICES Fax (Billers Only) 916 928 0415 <br /> April 29, 2003 <br /> Project No 880-039 1A <br /> Mr James Barton <br /> California Regional Water Quality Control Board <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827 <br /> Re First Quarter 2003 Status Report for Don Rodgers Transmission Shop <br /> 515 West Charter Way, Stockton, California <br /> Dear Mr Barton <br /> On behalf of Don Rodgers Transmission Shop, Shaw Environmental, Inc (Shaw) <br /> performed quarterly groundwater monitoring and remediation system operation and <br /> maintenance (O&M) at the above-referenced site Shaw has prepared flus status report on <br /> the work conducted during the first quarter 2003 Work included groundwater monitoring, <br /> remediation system O&M, and the installation of three additional monitoring wells <br /> BACKGROUND <br /> The site is located at the northwest corner <br /> of the intersection of Charter Way and <br /> Lincoln Street in Stockton, California (Figure 1) The property is located in a <br /> commercial area and is currently being used as a transmission repair shop Based on <br /> information provided by the San Joaquin County Public Health Services (SJCPHS), two <br /> underground storage tanks (USTs) were present, and the site was historically used as a <br /> retail service station with gasoline dispensing activities ceasing sometime in the 1950s <br /> It is unknown when one of the USTs and dispenser islands were removed Thorpe Oil of <br /> Lodi, California, removed the second UST in February 1996 Residual hydrocarbons <br /> were reported in soil samples collected from beneath the UST, however, Total Petroleum <br /> Hydrocarbons as gasoline (TPHg), Total Petroleum Hydrocarbons as diesel (TPHd), and <br /> benzene concentrations were below laboratory detection limits The approximate <br /> locations of pertinent site features are shown on Figure 2 <br /> r ao Zloc A Shaw Group Company <br />