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0 0 <br /> San Joaquin County DIRECTOR <br /> OP°�'" C, Environmental Health Department Donna Heran,REHS <br /> �. r ASSISTANT DIRECTOR <br /> 600 East Main Street Laurie Cotulla, REHS <br /> y {�� Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> Carl Borgman,REHS <br /> _ Mike Huggins, REHS,RDI <br /> cq i F o a arc Website:www.sjgov.org/ehd Margaret Lagorio,REHS <br /> Phone: (209)468-3420 Robert McClellon,REHS <br /> Fax: (209) 464-0138 Jeff Carruesco, REHS, RDI <br /> Kasey Foley,REHS <br /> March 24, 2009 <br /> Denis Brown Jodha Gill &Tirath Kaur <br /> Shell Oil Products US PO Box 1136 <br /> 20945 South Wilmington Avenue Tracy, CA 95378 <br /> Carson, CA 90810-1039 <br /> Subject: Former Texaco Service Station SITE CODE: 1055 <br /> 440 Charter Way <br /> Stockton, CA 95206 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed Subsurface <br /> Investigation Work Plan (Work Plan) dated March 6, 2009, submitted on your behalf by <br /> Conestoga-Rovers &Associates (CRA) and has the following comments. <br /> In the Work Plan CRA proposes to continue the investigation of the lateral extent of the <br /> groundwater contamination documented at your site at the mid-level (Zone B) or <br /> approximately 80 feet below surface grade (bsg) with the installation of three groundwater <br /> monitoring well located downgradient and offsite towards the east/southeast. <br /> The EHD approves the proposed scope of work with the condition that the target depth be <br /> continuously cored to ensure placement of the well screen interval across an appropriate <br /> water bearing zone. Please proceed with obtaining an access agreement from the offsite <br /> property owner, submitting a San Joaquin County Well Permit Application along with the <br /> required $89.00 permit fee and with scheduling the approved work. Deadline for installation <br /> of the wells is June 26, 2009; a report of findings documenting the results of the investigation <br /> is due within 60 days following completion of the fieldwork. <br /> If you have any questions please call Lori Duncan at (209)468-0337. <br /> Sincerely, <br /> Lori Duncan, REHS Nuel C. Henderson, Jr., PG <br /> Registered Environmental Health Specialist Engineering Geologist <br /> c: Jim Barton, CVRWQCB, 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670 <br /> Tom Sparrowe, Conestoga-Rovers, 19449 Riverside Drive, Suite 230, Sonoma, CA 95476 <br />