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San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> Donna Heran, RENS <br /> 2 °�« 600 East Main Street <br /> g I PROGRAM COORDINATORS <br /> �� Stockton, California 95202-3029 <br /> _ ,7 Robert McClellon. REHS <br /> - — Jeff Carruesco, REHS, RDI <br /> C,._ = r Kasey Foley, REHS <br /> F o R�' Website: www.sjgov.org/ehd Linda Turkatte, REHS <br /> Phone: (209) 468-3420 <br /> Fax: (209) 464-0138 <br /> October 4, 2011 <br /> Messrs. Kirk Larson, PG, and Robert Trommer, CHG <br /> State Water Resources Control Board <br /> Division of Financial Assistance <br /> 1001 1 Street <br /> Sacramento CA 95814 <br /> Subject: 2057 EI Dorado Street S. Stockton, CA <br /> Annual Five-Year Review Update Response CUF Claim # 15567 <br /> San Joaquin County Environmental Health Department (EHD) has received and reviewed the <br /> annual five-year review update letter dated 12 September 2011 from Kirk Larson of the State <br /> Water Resources Control Board (SWQCB) Cleanup Fund (CUF) for the above-referenced site. <br /> The CUF concurred with the EHD that soil vapor extraction should continue on the site and <br /> recommended that the EHD direct insitu air sparging (IAS) or other groundwater technology to <br /> be implemented to achieve groundwater objectives more quickly. <br /> The EHD will issue a directive letter requiring the responsible party (RP) to evaluate remediation <br /> technologies to address impacted groundwater. Questions or comments should be directed to <br /> Harlin Knoll at (209) 468-3442 or to Nuel Henderson at (209) 468-3436. <br /> Sincerely, <br /> Harlin Knoll, REHS Nuel Henderson, PG <br /> Senior Registered Environmental Engineering Geologist <br /> Health Specialist <br /> 2011 Five-Year Review Update Response CUF Claim No 15567.doc <br />