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SECOR www 5ecorcom <br /> INTERNATIONAL 3017 Kilgore Road,Suite 100 <br /> E C ® INCORPORATED Rancho Cordova CA 95670 11 <br /> 916 861-0400 TEL <br /> 916 861-0430 FAx la <br /> 6o6I I1 <br /> oC �141ED <br /> XY23, 2003 �� � <br /> AUG 2 2 2003 ��� <br /> Mr Michael Infurna ENVIRUNMIEW HE=ALTH <br /> PERMIT/SERVICESSan Joaquin County �I, <br /> Environmental Health Division 11 <br /> 304 East Weber Avenue, Third Floor <br /> Pi <br /> Stockton, CA 95202 ' <br /> RE Work Plan for Site Assessment Activities � r <br /> Chevron Bulk Fuel Terminal 1001621 <br /> 22888 South Kasson Road <br /> Banta, California " LI <br /> SECOR Project No 77CH 11621 15 0270 <br /> k <br /> Dear Mr lnfurna <br /> SECOR International Incorporated (SECOR), on behalf of Chevron Environmental Management Fri <br /> Company (Chevron), has prepared this work plan for assessment activities consisting of the drilling <br /> of four soil borings and the installation of three groundwater-monitoring wells at the above referenced <br /> site (Figure 1) a <br /> OBJECTIVE i <br /> The objective of the proposed assessment is to delineate the lateral and vertical extent of <br /> hydrocarbons associated with the former 1,000-gallon transmix (tank ID 1842-6) underground <br /> storage tankST} reviously located at the above referenced site (Figure 2) <br /> �r <br /> SITE DESCRIPTION <br /> The site is located approximately 5 miles east of Tracy, in the agricultural community tof Banta, j, <br /> California The active bulk fuel terminal on site has been in operation since 1966, and consists of ., <br /> nine above-ground fuel storage tanks (AST), tank-truck loading racks, and above- and below-ground <br /> piping, a storage building, and office with service bay The AST's are enclosed by a secondary <br /> containment berm A portion of this berm forms a spill containment area located in the northern <br /> porton of the terminal Fuel lines from the fuel storage tanks run above ground within the secondary <br /> containment area The fuel lines run below ground between the secondary containment area and <br /> the tank-truck loading racks under the paved portion of the terminal <br /> AA�i <br /> The San Joaquin Groundwater Basin underlies the site Beneficial uses of groundwater in the area <br /> included municipal, domestic, irrigation, stock watering, process, and service supply Previous I! <br /> releases of fuel, remedial actions to abate these releases, investigations and routine groundwater <br /> monitoring reports are detailed in additional reports A site history is presented in Attachment 1 ' <br /> • 1, <br /> f <br /> 4 <br /> I IChevron110016211REPORT51200312003 Site Assessment tWPRevO doc <br /> i <br /> I i, <br />