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DIRECTOR <br /> San Joaquin County Donna Heran,REHS <br /> Environmental :Health Department ASSISTANT DIRECTOR <br /> e Laurie Cotulla,REHS <br /> M 600 East Main Street <br /> < Stockton, CallfOrnla 95202-3029 PROGRAM COORDINATORS" <br /> `� fj ° Carl Borgman, REHS <br /> 1 ". <br /> . �.• Mike Huggins,REHS, RDI <br /> • o �P Website: www.sjgov.org/ehd 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 /> 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 /> y <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 ofpreliminary 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 thatiinformation 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 /> �l <br /> j 5-Year Review Comment Letter 061908.doc <br /> I �� <br />