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San Joaquin County <br /> .� Environmental Health Department DIRECTOR <br /> Donna Heron, REHS <br /> 600 East Main Street <br /> € Stockton , California 95202 -3029 PROGRAM COORDINATORS <br /> Robert McClellan, REHS <br /> Jeff Carruesco, REHS, RDI <br /> C4 � 1F OR �\P Website: www.sjgov. org/ehd Kasey Foley, REHS <br /> Phone: (209) 468-3420 <br /> Fax: (209) 464-0138 <br /> March 31 , 2010 <br /> Ms . Sherri Keys t ` I <br /> Westrec Marinas <br /> 14900 W . Highway 12 <br /> Lodi , CA 95242 <br /> Subject: King Island Resort-UST LOP Case #: 1557 <br /> 11530 W . Eight Mile Rd . SWRCB-CUF#: 03668 <br /> Stockton , CA 95219 Global ID#: T0607700310 <br /> The San Joaquin County Environmental Health Department (EHD ) has reviewed Work <br /> Plan for Pilot Testing and Remediation Well Installation Activities dated March 5, 2010 , <br /> that was received on Geotracker March 23 , 2010 , and has the following comments . <br /> The work plan details the installation of three ozone injection wells in the area of highest <br /> groundwater contamination (MW-7) to pilot test the potential of ozone to reduce the <br /> dissolved tert-butyl alcohol (TBA) and methyl tert-butyl ether (MtBE) concentrations in <br /> the groundwater. The pilot test was required by the EHD after a bench scale test <br /> indicated that no unacceptable byproducts were formed by the addition of ozone to soil <br /> and groundwater samples collected from this area of the site. <br /> The plan is adequate and necessary [H &S 25296 . 10(c) (3 )] and approved with the <br /> following conditions. Baseline groundwater samples and pilot test groundwater samples <br /> are to be analyzed for total chromium , hexavalent chromium , calcium , bromate, sodium , <br /> carbon (COD & TOC) , and pH and alkalinity. An analysis for these constituents in the <br /> soil samples collected from the injection well installations is not required by the EHD . <br /> Thank you for your cooperation and your continued investigation at this site. You may <br /> contact Michael Infurna at (209) 468-3454 if you have any questions. <br /> Michael J . Infurna Jr. , REHS Nuel C. Henderson Jr. , PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> C: Mr. James L. L. Barton , CVRWQCB , Underground Storage Tank Unit, 11020 <br /> Sun Center Drive, #200 , Rancho Cordova , CA 95670-6114 <br /> Mr. Mark Owens, SWRCB , Division of Cleanup Water Programs , Underground <br /> Storage Tank Program , PO Box 944212, Sacramento, CA 94244-2120 <br /> Ms. Jeanne Homsey, ATC Assoc. Inc. , 1117 Lone Tree Ave . , #B, Modesto , <br /> CA 95351 <br />