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r <br />F <br />California Regional Water Quality Control Board <br />Central Valley Region <br />r <br />inston H. Hlckox Robert Schneider, Chair <br />Secretary for Sacramento Main Office <br />Environmental Internet Address: hitp://www.swrcb.ca.gov/--rwgcb5 <br />Protection 3443 Routier Road, Suite A, Sacramento, Califomia 95927-3003 <br />?hone (916) 255-3000 • FAX (916) 255.3015 <br />18 August 2003 <br />Mr. Robert Cochran Ivem and Roger Baffoni <br />Chevron Environmental Management Company 1175 Orangewood Drive <br />7. P.O. Box 6012 Lodi, CA 95240 <br />I 'L San Ramon, California 9458 <br />APPROVAL TO CEASE OPERATION OF SOIL VAPOR EXTRACTION SYSTEM, CLEANUP AND <br />ABATEMENT ORDER NO. 5-00-704 (CAO), CHEVRONSTATION #9-5775, <br />301 WEST KETTLEMAN LANE, LODI, SAN JOAQUIN COUNTY <br />0 <br />Cray Davis <br />Governor <br />1 Regional Board staff reviewed the Second Quarter 2003, Quarterly Progress Report, Chevron Station #9-5775, <br />301 West Kettleman Larne, 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 Ivem and Roger <br />Baffoni 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 />rsevcral monitoring wells. The CAO requires approval from the Executive Officer prior to shutting down any <br />"x. 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, Ivem and Roger Baffoni 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 />can reconsider Chevron's request to reduce groundwater monitoring, or consider a request for no further action <br />required at this site. <br />If ypu have any questions please contact James Barton at (916) 255-3115 or bartoni0mrb5s.swrcb.ca.aov. <br />THOMAS R. PINKOS <br />Executive Officer <br />Enclosure <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 />7 <br />o e9nb <br />California Environmental Protection Agency <br />rn Ren,cled Pnper <br />