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San Joaquin County DIRECTOR <br /> Environmental Health Department Donna Heran,RENS <br /> C, r ASSISTANT DIRECTOR <br /> 600 East Main Street Laurie Cotulla,REHS <br /> Stockton, California 95202-.3029 PROGRAM COORDINATORS <br /> t <br /> r _ Carl Borgman, REHS <br /> Mike Huggins,REHS, RDI <br /> /PORN` Website: www.sjgov.org/ehd 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 /> 19 June 2008 <br /> Messrs. Robert Trommer, CHG, and Kirk Larson, PG <br /> State Water Resources Control Board <br /> Division of Financial Assistance <br /> 1001 1 Street <br /> Sacramento CA 95814 <br /> Subject: Preliminary Five-Year Review Letters <br /> San Joaquin County Environmental. Health Department (EHD) has received and <br /> reviewed numerous preliminary five-year review letters each with your request to convey <br /> the EHD's agreement or disagreement with the site-specific recommendations. The EHD, <br /> comments for a selection of those sites are provided herein,:sites not noted in this. letter <br /> will be addressed in the near future. Due to the high volume of preliminary five-year <br /> review letters and the ongoing workload and commitments of the EHD, the following. <br /> comments pertain only to the recommendations; other information in the five-year letters <br /> that is incorrect or incomplete is.noted only insofar as that information directly affects the <br /> recommendations. <br /> 701 Charter Way, E. <br /> • The State Water Resources Control Board Cleanup Fund Five Year Review , <br /> Committee (CUF) concurs with.the EHD directive. to the. Responsible Party (RP) <br /> to submit an interim remediation work plan and to define contamination southeast <br /> of the site. The. EHD agrees. with this recommendation; the work plan is in <br /> preparation. <br /> 7500 11"' Street, E. <br /> • CUF concurs with the. EHD. directive to the RP to conduct additional remedial <br /> action north of the site. to reduce hydrocarbon mass, which may include free- <br /> phase hydrocarbons..The. EHD agrees with this recommendation. The consultant <br /> is attempting to get an access agreement with the owner of the property north of <br /> the site. <br /> 1600 Durham Ferry Road, W. <br /> • CUF stated that the. EHD approved a work plan in January 2007 to conduct ORC. <br /> application, soil vapor extraction (SVE) and ozone. sparging (OS), and concurs <br /> with the EHD that active. remediation should be implemented to. achieve Water <br /> Quality Objectives. (WQOs).in a timely manner. Since the January.2007 approval, <br /> ozone sparging has been ruled out due to the presence of dissolved hexavalent <br /> 5-Year Review Comment Letter 061908.doc <br />