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10/28/96 16:20 '2510 842 8370 CHEVRON U.S.A. Q1002/003 <br /> mewo <br /> x <br /> Chevron .. <br /> chwroa U.S.A.Products COmpaar <br /> October 28. 1996 60018ollinggr Canyon Road <br /> Mding t. <br /> San Ramon.CA 94583 <br /> P.O.Boz SM4 <br /> San Ramon.CA 94583-0804 <br /> Ms_Nfary Meays Martardug—Northwest Region <br /> San Joaquin County Environmental Health Phone 510 842 9500 <br /> P.O.Box 388 <br /> Stockton.CA 95201-0388 <br /> Re: Chevron Station At 9-4275 2905 West Beniamin Holt Drive.Stockwit CA <br /> Attached groundwater monitoring report(Blaine Tech.7/24/96) <br /> Dear;Vis.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 creeks meeting a letter,datxd October 24, 1996 from the CVRWQCB was <br /> also presented to Chevron-The letter su marizzed 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 war of this letter, I would like to present Chevron's plans <br /> for further action at the subject site,provide as associated rinse schedule for these actions,and respond to <br /> the four issues raised in the CVRWQa'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 brei preliminarily approved by your agency as an ua7larrdcd <br /> feasibility study/interim rernediativn workplan A final corrective action plan will be submitted which <br /> describes the results of the interim remediation and which discusses the feasibility ofproceeding as <br /> originally described in the August. 1995 workplan-A schedule for these activities is presented below: <br /> Perform drilling of all remediation(SVE/sparge)wells: week of November 11. 1996 <br /> Install subsurface remediation piping and abatement equip: week of November 18,1996 <br /> Start-up remediauon 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 /> r <br /> The following replies are intended to address those four issues <br /> issues presented It the CVRWQCB's letter and <br /> are numbered similarly. <br /> 1.Remediation performed at the subject site to date includes the removal of previous UST's in 1989 and <br /> r' <br />