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California Regional Water Quality Control Board <br />' Central Valley Region <br /> inston H Hickoic Robert Schneider,Chair <br /> Gray Davis <br /> Secrerary for Sacramento Main Office Governor <br /> Environmental Internet Address http//www swrcb ca gov1--rwgcb5 <br /> Prorecuon 3443 Routter Road Suite A Sacramento California 95W 3003 <br />' Phone(916)255-3000•FAX(916)255-3015 <br /> 18 August 2003 <br />' Mr Robert Cochran Ivern and Roger Baffoni <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 OFSOIL VAPOR EXTRACTION SYSTEM, CLEANUP AND <br /> ' ABATEMENT ORDER NO 5-00-704 (CAO), CHEVRONSTATION#9-5775, <br /> 301 WEST KETTL EMAN LANE, LODI,SANJOA QUIN COUNTY <br /> ' Regional Board staff reviewed the Second Quarter 2003, Quarterly Progress Report, Chevron Station #9-5775, <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 /> ' 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 /> Weveral 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 Baffonl 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 u have any questions please contact James Barton at(916) 255-3115 or bartoniLOrb5s swrcb ca Ray_ <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 /> 1 <br /> o e env <br /> California Environmental Protection Agency <br /> Rec}tied Paper <br />