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San Joaquin County DIRECTOR <br /> Environmental =Health Dep artment Donna Heran, REHS <br /> - NiASSISTANT DIRECTOR <br /> 2,< a Z 600 East Main Street Laurie Cotulla,REHS <br /> `� '` Stockton, California 95202-3029 <br /> PROGRAM COORDINATORS <br /> Carl Borgman, REHS <br /> Website: WWW.sjgov.org/ehd Mike Huggins, REHS, RDI <br /> F O R Margaret Lagorio,REHS <br /> Phone: (209)468-3420 Robert McClellon, REHS <br /> Fax: (209) 464-0138 Jeff Carruesco, REHS, RDI <br /> Kasey Foley, REHS <br /> I <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 j <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`h 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 /> i 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 />