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' <br /> e <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br />' Winston Robert Schneider Chair <br /> I1. t[ickox � <br /> Secrw0r3lor Gray Davi <br />' $nvironmental Sacramento Main Office Governor <br /> Protection Internet Address http//www swrcb ca gov/--rwgcb5 <br /> 3443 Routtcr Road Suite A.Sacramento,Cahfomia 95827 3003 <br /> Phone(916)255 3000•FAX(916)255 3015 <br />' y 18 August 2003 <br />' Mr Robert Cochran Ivem and Roger Baffanl <br /> Chevron Environmental Management Company 1 175 Orangewood Drive <br /> P O Box 6012 Lodi, CA 95240 <br /> San Ramon, California 9458 <br /> APPROVAL TO CEASE OPERATION OF SOIL VAPOR EXTRACTION SYSTEM, CLEANUP AND <br /> ABATEMENT ORDER NO S-00-704 (CAO), CHEVRONSTATION#9-5775, <br />' 301 WEST KETTLEMAN LANE, LODI, SANJOAQUIN COUNTY <br /> Regional Board staff reviewed the Second Quarter 2003, Quarterly Progress Report, Chevron Station 49-5775, <br />' 301 West Kettleman Lane, Lodi, San Joaquin County(Report), Cleanup and Abatement Order <br /> No. 5-00-704, dated 14 July 2003, submitted on behalf of Chevron Products Company and Ivern and Roger <br /> Baffom by SECOR International Incorporated (See enclosed memorandum for staff comments) Your Report <br /> ' recommends shutting off the SVE system, continuing the groundwater extraction(GWE) pump and treat <br /> remediation for hydraulic control, and reducing groundwater monitoring from quarterly to semi-annually in <br /> several monitoring wells The CAO requires approval from the Executive Officer prior to shutting down any <br /> ' remedial system <br /> I concur with staff recommendations in the attached memo, and in accordance with Cleanup and Abatement <br /> ' Order No 5-00-704, approve the Chevron Products Company,Ivern and Roger Baffom request to cease operation <br /> of the SVE system After the soil/groundwater modeling and GWE system rebound test(Staff Comments 2 and 3 <br /> of enclosed memorandum) have been conducted and the report(s)have been reviewed by Regional Board staff, I <br /> ' <br /> can reconsider Chevron's request to reduce groundwater monrtonng, or consider a request for no further action <br /> required at this site <br /> ' If u have any questions please contact James Barton at(91 G)255-3115 or barton.j@rb5s swrcb ca gov <br /> 1 <br /> Pki <br />' ] THOMAS R PINKOS <br /> Executive Officer <br />' Enclosure <br />' <br /> cc* Mr Mark Owens, State Water Resources Control Board, UST Cleanup Fund, Sacramento <br /> Mr Harlin Knoll, San Joaquin County Environmental Health Services, Stockton <br /> Mr Frank Beeler, City of Lodi Water Department, Lodi <br /> Mr Scott Gable, SECOR International Incorporated, Rancho Cordova' ------ ----- ---- �8 <br /> o a env <br /> California Environmental Protecti=on Agency <br />' 2N Recycled Paper <br />