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"TrN , m <br /> 1933 a 414M. 9aa. 0 <br /> ax.916.93e.3.341 <br /> the k <br /> V''Z7_ °up P1; 12: 46 Au vrPMTTCMIF <br /> Septvnber 8, 20M <br /> Project 803026 <br /> Mr. Marty Hartzell <br /> Associate Engineering Geologist <br /> Califomia Regional Water Quality Control Board <br /> Canal Valley Region <br /> 3443 Reader Road, Suite A <br /> Sacramento, Calif is 95827-30M <br /> Re: latter Addendnntathe Cmr five Anion Plan, Forma VintageCm Wash <br /> not Eaa Mine Street, Stockmen, California - <br /> Dear Mr. Hartzell: <br /> Tnis letter addendum to the Corrective Anion Plan (CAP) has been prepared on behalf <br /> of the Some of C fdbods, Deparanent of Geaeml Services, Real Eaam Savice Division <br /> (DGS-RESD) for the forma Vintage Car Wasb located at 601 Eaat Mina Street in <br /> Stocldoq California. An Environmental Assessment Report end CAP was PreparN for <br /> this site by Veneer in 1998 (la wary 5, 1999) In addreesparoleum hydrocabons detected <br /> in vadosc zone soil and groundwida beneath the site. This eddendnm m (he CAP <br /> address the issues identified during lire project update meeting held at the DGS-RESD <br /> office in Sacramento on lure 29, 2000. <br /> The following topics were donnazed at the project update meeting and will be addressed <br /> individually in this Jena addendum to the CAP. <br /> 1. Technical rationale for elimination of groundwater extruamn aid treatment. <br /> 2. Remedial strategy for the 601 East Mina Street site. <br /> 3. Evabodon of the vented gradient between the impacted zone and deeper <br /> units. <br /> 4. Evaluation of free-phase Paden reeovay and thickness in the source zone. <br /> 5. Taludeal Plan for a Pilot-scale air spagc test prior to full-scale <br /> implementation. <br /> ntwmommn <br /> �m.auaisn. eviarmaxzm.aoraw.r <br />