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C .111 � <br /> tc l-liia Regional Water Quality Control Board <br /> Central Valley Region <br /> Winston H. Hlckox Robert Schneider,Chair <br /> Secrretar)for Cray Davy <br />' Environmental Sacramento Main Office Governor <br /> Protection Internet Address httP//www swrcb ea gov/—rwgcb5 <br /> 3443 Roulier Road Suite A Sacrarnenio California 95827 3003 <br /> Phone(916)255 3000 FAX(916)255 3015 <br /> 18 August 2001 <br /> Mr Robert Cochran Ivern and Roger Baffoni <br /> ' Chevron Envitonmenial Management Company 1 175 Orangewood Drive <br /> P O Box 6012 Lodi, CA 95240 <br /> San Ramon, California 9458 <br /> APPRO VAL TO CLASE OPERATION OF SOIL VAPOR EXTRACTION SYSTEM, CLEANUP AND <br /> ABATEMENT ORDER NO 5-00-704(CAO), CHEVRON STATION#9-5775, <br /> ' 301 WEST KETTLEMAN LANE, LODI, SANJOAQUIN 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 S-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 Baffoni request to cease operation <br /> ' of the SVE system. After the sod/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 Jaynes Barton at(914)255-3115 or bartomla.rb5s swrcb ca gQv <br /> —� 1 pw - <br /> J THOMAS R PINKOS <br /> Executive Officer <br /> Enclosure <br /> 7 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 ----- <br /> 10 <br /> r <br /> California Environmental Protection Agency <br /> ' C* Recl clod 1'npr r <br />