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San Joaquin County <br /> AQu'N Environmental Health Department DIRECTOR <br /> Donna Heran, REHS <br /> r 600 East Main St eet <br /> PROGRAM COORDINATORS <br /> Stockton, California 95202-3029 <br /> Robert McClellon, REHS <br /> Jeff Carruesco, RENS,RDI <br /> c•:_—�_ ;.•'Q Kasey Foiey,REHS <br /> Qt(i ai Website: www.sjgov.org1ehd Linda Turkatte,REHS <br /> Phone: (209)468-3A20 <br /> Fax: (209) 464-01 8 <br /> I <br /> April 6, 2011 <br /> Mr. Denis L. Brown Mr. Mohamed N. Algarmi <br /> Shell Oil Products US 5650 Market Street <br /> HSE — Environmental Services Oakland, California 94608 <br /> 20945 South Wilmington Avenue <br /> Carson, California 90810-1039 <br /> I <br /> Mr. Ali Awnallah <br /> 211 East Century Boulevard { <br /> Lodi, California 95240 <br /> Subject: Former Shell Service Station LOP Case #: 000692 <br /> 1313 East Charter Way <br /> Stockton, California 95205 <br /> The San Joaquin County Environmental Health Department (EHD) has received a No Further <br /> Action Required Concurrence letter from the Centre] Valley Regional Water Quality Control <br /> Board (CVRWQCB) dated 30 March 2011 for the above referenced site. It is now necessary to <br /> plan 'and execute the destruction of all wells installed as part of your site investigation and <br /> remedial action, as EHD will not issue a Case Closure Letter for this site until the wells have <br /> been properly destroyed and all onsite waste ma erial have been removed and properly 1 <br /> disposed. The wells are to be destroyed within 90 days of this letter, or current analytical data <br /> for groundwater collected quarterly from the wells shall be submitted for review until the wells <br /> have been properly destroyed. <br /> Please submit a scope of work proposal that details V e conditions and construction of the wells 1 <br /> and the methods and materials to be used to destroy them. To be issued a well destruction 1 <br /> permit the proposal must address the concerns of the EHD and the San Joaquin County Well 1 <br /> Standards re"irem.e ; such-as: — <br /> • Wells that have laboratory data from the last sampling event that demonstrate the <br /> presence of any contaminants of concern a e to be destroyed by removing all the <br /> contents of the well (conductor casing, well casing, screen, filter pack, grout sealant); <br /> the cleared borehole is then to be sealed with neat cement by pressure grouting from 1 <br /> the bottom upward to a depth of three to five feet below grade. { <br /> • All wells with unknown construction and/or located in an area of known or suspected I <br /> area of contamination are to be destroyed by removing all the contents of the well <br /> (conductor casing, well casing, screen, filter pack, grout sealant); the cleared borehole <br /> i <br /> 3 <br />