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i <br /> q <br /> San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> Wo Donna Heron , REHS <br /> z' y 1868 East Hazelton Avenue <br /> N[ � Stockton, California 95205-6232 PROGRAM COORDINATORS <br /> Robert McClellon, REHS <br /> • Jeff Carruesco, REHS, RDI <br /> cq : .� P Website: www.sjgov. org/ehd Kasey Foley, REHS <br /> Fo'¢ 8-3420 <br /> Linda Turkatte, REHS <br /> Phone: 209 <br /> ( ) 46Rodney Estrada, REHS <br /> Fax: (209) 464-0138 Adrienne Ellsaesser, REHS <br /> May 10, 2013 <br /> Gary Stallworth <br /> 602 California Street <br /> Stockton , CA 95202 <br /> Subject: Stallworth Auto Sales <br /> 602 California Street <br /> Stockton, CA 95202 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed In-Situ <br /> Chemical Oxidation (ISCO) Pilot Study Test Report (Report) dated September 13 , 2012, <br /> submitted on your behalf by Advanced GeoEnviron mental, Inc. (AGE) . In the Report, <br /> AGE discusses the findings of the pilot test conducted to evaluate the effects of chemical <br /> oxidation to hydrocarbon-impacted groundwater at the site. AGE recommends <br /> preparation of an interim remedial action work plan (IRAWP) proposing ISCO injection to <br /> mitigate the remaining hydrocarbon impacted groundwater and soil at the site. The <br /> IRAWP will proposes additional ISCO injection well locations, well construction <br /> specifications , and will detail procedures for full-scale implementation at the site. <br /> The EHD approves preparation of the remedial action plan based on the contaminant <br /> concentration declines in the injection wells during and after the pilot test. Prepare a <br /> Corrective Action Plan (CAP) and IRAWP. Public participation is required. Submit the <br /> CAP and IRAWP to the EHD by June 10, 2013. <br /> If you have any questions or comments please contact Lisa Medina at (209) 468-3455 , or <br /> by email at ImedinaCD,sicehd. com . <br /> Lisa Medina , REHS Nuel C. Henderson, Jr. , PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c: Jim Barton , CVRWQCB, 11020 Sun Center Drive #200, Rancho Cordova CA 95670 <br /> Ally Colavita , AGE, 837 Shaw Road , Stockton CA 95212 <br />