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10/28/96 16:20 xY510 842 8370 CHEVRON U.S.A. X1002/003 <br /> ;r Chevron <br /> Chevron U.S.A.Products Company <br /> October 28, 1996 6001 Bollinger Canyon Road. <br /> Building l <br /> San Ramon,CA 94583 <br /> P.O.Box 5004 <br /> San Ramon,CA 94583-0804 <br /> Ms.Mary Meays <br /> San Joaquin County Environmental Health Marketing--Northwest Region <br /> P.O.Box 388 Phone 510 842 9500 <br /> Stockton,CA 95201-0388 <br /> Re: Chevron Station#9-4275 2905 West Benjamin Holt Drive.Stockton,CA <br /> Attached groundwater monitoring report(Blaine Tech.7/24/96) <br /> Dear Ms-Meays: <br /> Thank you for the opportunity to meet with you on October 24, 1996 to discuss various options being <br /> considered for the subject site as well as,Chevron's obligations to remain in compliance with your agency. <br /> the Central Valley Regional Water Quality Control Board(CVRWQCB).and the San Joaquin County <br /> District Attorney's office_At last weeks meeting a letter dated October 24, 1996 from the CVRWQCB was <br /> also presented to Chevron_The letter summarized current groundwater conditions at the site.cited four <br /> issues pertaining to Chevron's past activities,and stated'that Chevron is considered ineligible for State <br /> Underground Storage Tank Cleanup Funds.By way of this letter,I would like to present Chevron's plans <br /> for further action at the subject site,provide an associated time schedule for these actions.and respond to <br /> the four issues raised in the CVRWQCB's letter. <br /> Future Plans <br /> Chevron will proceed to meet water quality goals for the,subject site according to the Workplan for Soil <br /> and Groundwater Remediation dated August 31,1995 by Geraghty&Miller.The workplan will be <br /> carried out with the understanding that it has been preliminarily approved by your agency as an expanded <br /> feasibility study/interim remediation workplan. A final corrective action plan will be submitted which <br /> describes the results of the interim remediation and which discusses the feasibility of proceeding as <br /> originally described in the August, 1995 workplan.A schedule for these activities is presented below: <br /> Perform drilling of all remediation(SVE/sparg6)wells: week of November 11, 1996 <br /> Install subsurface remediation piping and abatement equip: week of November 18, 1996 <br /> Start-up remediation system: prior to November 29, 1996 <br /> Submit System performance summary/CAP: prior to May 30, 1997 <br /> Reply to CVRWQCB Letter(10/24/96) <br /> The following replies are intended to address those four issues presented in the CVRWQCB's letter and <br /> arc numbered similarly. <br /> 1.Remediation performed at the subject site to date includes the removal of previous UST's in 1989 and <br />