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San Joaquin County <br /> .� Environmental Health Department DIRECTOR <br /> .O Donna Heran, REHS <br /> y 1868 East Hazelton Avenue <br /> Nt � PROGRAM COORDINATORS <br /> Stockton , California 95205 -6232 <br /> Robert McCiellon, REHS <br /> Jeff Carruesco, REHS, RDI <br /> • cq . ;a;P Website: www.sjgov. org/ehd Kasey Foley, REHS <br /> . <br /> � i r- o a Linda Turkatte, REHS <br /> Phone : (209) 468-3420 Rodney Estrada, REHS <br /> Fax: (209) 464-0138 Adrienne Ellsaesser, REHS <br /> September 4, 2013 <br /> Floyd Barnes <br /> 9477 Fountain Valley <br /> Stockton , CA 95209 <br /> Subject: Barnes Trucking <br /> 1817 Fresno Avenue <br /> Stockton, CA 95206 <br /> The San Joaquin County Environmental Health Department (EHD) reviewed an email (Email) <br /> from Stratus Environmental , Inc. (Stratus) , submitted on August 21 , 2013. In the Email , Stratus <br /> prepared an evaluation and summary of the results of a 5-Day Dual Phase Extraction (DPE) <br /> pilot test conducted at the subject site on April 29, through May 3, 2013. Stratus recommended <br /> a short-term 30-day DPE pilot test to further reduce the fuel contaminants remaining beneath <br /> the site. The EHD approves implementation of the 30Aay DPE pilot testing. However, in order <br /> to further evaluate and make recommendations for long term implementat(on of the remedial <br /> activity, the EHD requires weekly reporting during the pilot test to the EHD. The report should <br /> include the following : <br /> 1 ) Hydrocarbon mass removal rate; <br /> 2) Cumulative mass recovered; <br /> 3) Vapor concentrations or PID measurements; <br /> 4) Extraction flow rates and operational period in hours. <br /> If it becomes clear that the contaminant mass extraction rate will not improve significantly <br /> beyond that obtained during the 5-day pilot test, then the tests should be terminated . <br /> If you have any questions please call Lisa Medina at (209) 468-3455 . <br /> Regards, r� <br /> Lisa Medina , REHS Nuel C. Henderson, Jr. PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c: James Barton, CVRWQCB, 11020 Sun Center Drive #200, Rancho Cordova , CA 95670 <br /> Kasey Jones, Stratus, 3330 Cameron Park, Suite 550, Cameron Park, CA 95682 <br />