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L <br />..4 <br />San Joaquin County <br />Environmental Health Department <br />600 East Main Street <br />Stockton, California 95202-3029 <br />Website: www.sjgov.org/ehd <br />Phone: (209)468-3420 <br />Fax: (209) 464-0138 <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 />DIRECTOR <br />Donna Heran, REHS <br />ASSISTANT DIRECTOR <br />Laurie Cotulla, REHS <br />PROGRAM COORDINATORS <br />Carl Bergman, REHS <br />Mike Huggins, REHS, RDI <br />Margaret Legere, REHS <br />Robert McClellon, REHS <br />Jeff Carruesco, REHS, RDI <br />Kasey Foley, REHS <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 `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 />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 />