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%owl ..i <br /> San Joaquin County DIRECTOR <br /> Ppylly Donna Heran, REHS <br /> 0G Environmental Health Department ASSISTANT DIRECTOR <br /> 600 East Main Street Laurie Cotulla, REHS <br /> ILI <br /> Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> Carl Borgman,REHS <br /> C4��FOR�\P Website: www.sjgov.org/ehd Mike Huggins,REHS, RDI <br /> Phone: 468-3420 Margaret Clelloo, REHS <br /> 209 <br /> ( ) Robert Mclellon,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 11th 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 />