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�... .w <br /> San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> Donna Heran, REHS <br /> 600 East Main Street <br /> N y s :{ Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> Robert McClellon, REHS <br /> Jeff Carruesco, RENS,RDI <br /> Website: www.sjgov.org/ehd Kasey Foley, REHS <br /> r F o R Linda Turkatte, REHS <br /> Phone: (209) 468-3420 <br /> Fax: (209) 464-0138 <br /> September 15, 2011 <br /> Carl Knowles <br /> PO Box 640 <br /> Woodbridge, CA 95258 <br /> Subject: 1140 W. Hammer Lane SITE CODE: 1124 <br /> Stockton, CA 95209 <br /> On March 17, 2011, the San Joaquin County Environmental Health Department (EHD) <br /> made a tentative approval of the Corrective Action Plan (CAP), dated December 9, <br /> 2010, prepared by your consultant Ground Zero Analysis, Inc. (GZAI). In the CAP, <br /> GZAI recommends in-situ chemical oxidation to remediate ground water contamination <br /> caused by the unauthorized release from the former on-site underground storage tanks <br /> (USTs). The injection of hydrogen peroxide (chemical oxidant) into the ground water <br /> will be performed using two proposed on-site injection wells. <br /> The required public participation period for CAP has been completed. No comments <br /> were received from the public by the EHD for the proposed remediation plan. The CAP <br /> approval is considered final and it should be implemented as soon as possible. <br /> The injection of the proposed hydrogen peroxide (chemical oxidants) must be approved <br /> by the Central Valley Water Quality Control Board (CVRWQCB) prior to implementation <br /> of the CAP. The CVRWQCB may require a Report of Waste Discharge and have Waste <br /> Discharge Requirements. Prior to injection, you must comply with all the CVRWQCB <br /> requirements. <br /> The EHD has issued permit SR#062938 for the two proposed injection wells. Please <br /> contact the EHD 48 hours prior to drilling to schedule the required grout inspections. <br /> If you have any further questions regarding this matter, please contact Harlin Knoll at <br /> (209) 468-3442. <br /> ?4�' xs-'� -�_ �/� �� <br /> Harlin Knoll, REHS Nuel C. Henderson, Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c: James Barton, CVRWQCB, 11020 Sun Center Drive, #200, Rancho Cordova, CA <br /> 95670 <br /> Eric Price, GZAI, 1714 Main Street, Escalon, CA 95320-1927 <br /> Scott Bittinger- Stratus Inc., 3330 Cameron Park Drive, Ste 550, <br /> Cameron Park, CA <br />