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San Joaquin County <br /> .C, Environmental Health Department DIRECTOR <br /> .o <br /> a: -+ <br /> 1868 East Hazelton Avenue Donna Heran, REHS <br /> U): k Stockton, California 95205-6232 PROGRAM COORDINATORS <br /> :. <br /> Robert McClellon, REHS <br /> Jeff Carruesco, REHS, RDI <br /> cq `P Website: www.sjgov.org/ehd Kasey Foley, REHS <br /> F o R a Linda Turkatte, REHS <br /> Phone: (209) 468-3420 Rodney Estrada, REHS <br /> Fax: (209) 464-0138 Adrienne Ellsaesser, REHS <br /> May 10, 2013 <br /> PUBLIC NOTICE <br /> NOTICE OF FINDINGS REGARDING SITE MITIGATION PLAN <br /> NOTICE IS HEREBY GIVEN that a REMEDIAL ACTION WORK PLAN for <br /> soil and groundwater contamination as a result of unauthorized releases <br /> from the underground storage tank (UST) system formerly located at 2224 <br /> Manthey Road, Stockton, California has been reviewed by the San <br /> Joaquin County Environmental Health Department (EHD). The plan is a <br /> proposal to extract petroleum hydrocarbon contaminant vapor from the soil <br /> using soil vapor extraction. Contaminants in the extracted vapor will be <br /> removed by three carbon vapor-phase treatment vessels. An in-situ ozone <br /> sparging system will also be installed to complete a 24-week pilot study. <br /> Ozone will be injected into the subsurface to decompose dissolved <br /> petroleum hydrocarbon contaminants, producing carbon dioxide and water. <br /> The EHD has made a tentative determination that the plan is in compliance <br /> with California Health & Safety Code Chapter 6.7, Section 25299.37 and <br /> California Code of Regulation Corrective Action Requirements, and that the <br /> resultant work will not create significant adverse environmental impacts <br /> which exceed the benefits to be gained from cleanup of the contamination. <br /> The remediation plan is available for public review at the San Joaquin <br /> County Environmental Health Department at 1868 East Hazelton <br /> Avenue, Stockton, California during normal working hours, 8:00 a.m. <br /> to 5:00 p.m. <br /> Final approval for the plan is scheduled for June 10, 2013. <br /> Questions should be directed to Vicki McCartney, Senior REHS, at (209) <br /> 468-9852 or sent in writing to her at the San Joaquin County <br /> Environmental Health Department, 1868 East Hazelton Avenue, <br /> Stockton, California 95205-6232. <br />