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0 0 <br /> San Joaquin County DIRECTOR <br /> Donna Heran,REHS <br /> Environmental Health Department� ASSISTANT DIRECTOR <br /> 600 East Main Street Laurie Cotulla,REFS <br /> a -� <br /> (1mlll:u '� Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> Carl Borgman, REHS <br /> C�'.. ° Website: www.sjgov.org/ehd ov.or Mike Huggins,RENS, RDI <br /> 19 9 Margaret Lagorio, REHS <br /> Phone: (209) 468-3420 Robert McClellon, REHS <br /> Fax: (209) 464-0138 .teff Carruesco, REHS, RDI <br /> Kasey Foley,REHS <br /> January 5, 2009 <br /> Denis Brown <br /> Shell Oil Products US <br /> 20945 South Wilmington Avenue <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 <br /> Groundwater Monitoring Report - Third Quarter 2008 (Report) dated October 2, 2008, <br /> submitted on your behalf by Conestoga-Rovers & Associates (CRA) and has the following <br /> comments. <br /> The Report documents a routine quarterly groundwater monitoring and sampling event <br /> conducted at your site on August 5, 2008. This was the fourth quarterly sampling of the most <br /> recently installed wells at this site, MW-20-83.5, MW-21-80, MW-22-80 and MW-23. <br /> Analytical results reported consistent concentrations of contaminants in each of these wells. <br /> The only recommendation CRA makes in the Report is to continue routine quarterly <br /> groundwater monitoring and sampling of the site. Per California Code of Regulations, Title <br /> 23, Chapter 16, Section 2652c, contaminated underground storage tank (UST) site reports <br /> are required to contain proposals for investigating and cleaning up the site, and a time <br /> schedule for implementing the proposed actions. <br /> Per California Code of Regulations, Title 23, Chapter 16, Section 2725, Responsible Parties <br /> of contaminated UST sites are required to complete an investigation to assess the vertical <br /> and lateral extent of the release at their site, and to determine a cost-effective method of <br /> cleanup. Please prepare a work plan to continue the investigation of the lateral extent of the <br /> contamination reported in the mid-level wells at this site and submit it to SJC/EHD no later <br /> than March 6, 2008. <br /> If you have any questions please call Lori Duncan at (209) 468-0337. <br /> Sincerely, <br /> WLY �wtcu v <br /> Lori Duncan, REHS Margar�o, REHS ^•� <br /> Registered Environmental Health Specialist Program Coordinator <br /> c: Jim Barton, CVRWQCB, 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670 <br /> Joe Neely, Conestoga-Rovers, 19449 Riverside Drive, Suite 230, Sonoma, CA 95476 <br />