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California Regional Water Quality Control Board <br /> Central Valley Region a <br /> 1Wn H Hickox Robert Schneider, Chair Gray Davis <br /> rctar)for Sacramento Main Office Governor <br />' Environmental Internet Address http//www swrcb ca gov/--rwgcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,Califomia 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 18 August 2003 <br /> Mr Robert Cochran Ivern and Roger Baffont <br /> Chevron Environmental Management Company 1175 Orangewood Drive <br /> P O Box 6012 Lodi, CA 95240 <br /> San Ramon, California 9458 _ <br /> rAPPROVAL TO CEASE OPERATION OF SOIL VAPOR EXTRACTION SYSTEM, CLEANUP AND <br /> ABATEMENT ORDER NO. 5-00-704 (CAD), CHEVRONSTA TION#9-5775, <br /> 301 WEST KE TTLEMAN LANE, LODI,SAN JOAQUIN 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 /> Baffont 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 /> lie 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 Baffont 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 y u have any questions please contact James Barton at(916)255-3115 or bartonj ci,rb5s swrcb ca gQ <br /> rP�j <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 ' --`--"--"----_-_•'A8 <br /> {rq <br /> \ � U <br /> } <br /> California Environmental Protection Agency <br /> Recycled Paper <br />