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Advanced <br /> GeoEnvironmental, Inc . <br /> 15 August 2000 <br /> Y <br /> AGE-NC Project No. 96-0232 -" <br /> w - <br /> Mr. Marty Hartzell — <br /> California Regional Water Quality Control Board- Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, CA 95827 <br /> Subject: Status Update for Investigation of Fuel Dispenser Area <br /> FLAG CITY CHEVRON-6421 Capitol Avenue,Lodi, CA 95242 <br /> Dear Mr. Hartzell: <br /> On behalf of Mr. Richard Bokides of the Bokides Family Limited Partnership and property owner <br /> of Flag City Chevron located at 6421 Capitol Avenue (site), Lodi, California (See Figure 1), <br /> Advanced GeoEnvironmental, Inc. (AGE) is submitting this status update report for investigation <br /> of the fuel dispenser area at the site. This investigation is in response to a California Regional Water <br /> Quality Control Board - Central Valley Region (CRWQCB-CVR) letter directive, dated 24 July <br /> 2000, to take action immediately to investigate and correct this new release. The following is a <br /> summary of fuel dispenser/product line assessment activities conducted by AGE for the Flag City <br /> Chevron site: <br /> • On 31 July 2000, Mr. Doug Wilson of the San Joaquin County Public Health Services- <br /> Environmental Health Division(PHS-EHD) informed AGE by telephone conversation that <br /> the PHS-EHD intended to issue a letter directive to the Flag City Chevron facility to conduct <br /> a"helium tracer test"on all fuel dispensing product lines. Furthermore, Mr. Wilson iterated <br /> that the Flag City Chevron facility needed to install secondary containment pans beneath <br /> each fuel dispenser to satisfy the existing State of California underground storage tank(UST) <br /> laws. During the telephone conversation, Mr. Wilson stated he would be on vacation the <br /> week of 07 through the 11 August 2000; therefore, AGE requested to Mr. Wilson that the <br /> directive letter be issued prior 07 August so the test could be coordinated with Mr. Richard <br /> Bokides and Mr. Navtej Dhingsai,Flag City Chevron operator. <br /> • On 31 July 2000,AGE contacted by telephone Champions Precision Tank Testing(CPTT) <br /> and Tanknology,both State of California certified to perform tank and product line integrity <br /> tests. AGE was informed by representatives of both companies that a"helium tracer test" <br /> performed on dual walled product line system would only identify a leak at the point of <br /> breach in the secondary product lines and not the primary product lines; there would be no <br /> way to identify where the breach was in the primary product line from a helium tracer test. <br /> 4005 North Wilson Way.Stockton.California 95205 <br /> Telephone(209)467-1006 FAX (209)467-11 18 <br />