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ENVIRONMENTAL HEALTH DERA1�T NT <br /> pPpurN SAN JOAQUIN COUNTY <br /> Donna K.Heran,R.E.H.S. Unit Supervisors <br /> Director 304 East Weber Avenue, Third Floor Carl Borgman,R.E.H.S. <br /> At Olsen,R.E.H.S. Stockton,Stockton, California 95202-2708 Huggins,R.E.H.S.,R.D.I. <br /> • C9trFOPN`P • Program Manager Telephone: 209 Douglas W.Wilson,R.E.H.S. <br /> ( <br /> Laurie A.Corolla,R.E.H.S. h ) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Program Manager Fax: (209) 464-0138 Robert McClellan,R.E.H.S. <br /> Mark Barcellos,R.E.H.S. <br /> KAREN PETRYNA <br /> EQUILON ENTERPRISES LLC <br /> P O BOX 7869 JUN 2 5 2002 <br /> BURBANK CA 91510-7869- <br /> RE: SHELL SERVICE STATION SITE CODE: 1746 <br /> 880 VICTOR ROAD <br /> LODI CA 95240 <br /> WORKPLAN: Site Investigation Work Plan DATED: June 5.2002 <br /> PREPARED BY: Cambria Envrionmental Technology_ Inc. <br /> APPROVED f< with Conditions (See Below) <br /> DISAPPROVED ❑ <br /> ADDENDUM ❑ Submit by : <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN (H&S <br /> 25299.37,s ubd.(c)(3).): <br /> Install seven groundwater monitoring wells (MW-4 to MW-10) on and off site to delineate <br /> the extent of the groundwater contamination. Screen intervals will span from 5 feet above <br /> first encountered water to 10 feet below. <br /> COMMENTS AND CONDITIONS: <br /> 1) Install at least one additional monitoring well with screen section discrete to the sand <br /> layer between 90 feet below surface grade (bsg) to 100 feet bsg in the source area or <br /> conepenetrometer (CPT) boring#2 to confirm the methyl tert butyl ether (MTBE) <br /> detected in the grab water sample collected from CPT#2 at 97 to 100 feet bsg in <br /> October 2001. <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN (H&S 25299.37, <br /> subd.(C)(3).): None //' ,�� <br /> Jeffrey Wong, Sr.REHS J Nuel C. Henderson,Jr.,RG <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation,Unit IV <br /> Cc: CRWQCB, Central Valley Region—Marty Hartzell <br /> Cc: Cambria—Joe Neely <br />