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San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> Donna Heran, REHS <br /> 600 East Main Street <br /> PROGRAM COORDINATORS <br /> N. x dll < Stockton, California 95202-3029 Robert McClellon,REHS <br /> 1 ]" _ Jeff Carruesco,REHS,RDI <br /> !' Kasey Foley,REHS <br /> 0'.. Website:Website: www.sjgov.org/ehd Linda Turkatte,REHS <br /> �iF°a Phone: (209) 468-3420 <br /> Fax: (209)464-0138 <br /> September 15, 2011 <br /> SIERRA LUMBER <br /> P O BOX 6216 <br /> STOCKTON CA 95207 <br /> RE: 375 Hazelton Ave Site Code: 1644 <br /> Stockton Ca <br /> On August 4, 2011, the San Joaquin County Environmental Health Department (EHD) made a <br /> tentative approval of the Corrective Action Plan (CAP), dated June 20, 2011, and prepared by <br /> your consultant Advanced Geo Environmental, Inc. (AGE). In the CAP, AGE recommends in- <br /> situ dual phase extraction (DPE) to remediate soil and ground water contamination caused by <br /> the unauthorized release from the former on-site underground storage tanks (USTs). The DPE <br /> will utilize 2 existing on-site remediation wells that have already been installed. Based upon <br /> system performance, additional DPE well may be required. <br /> The required public participation period for the CAP has been completed. No comments were <br /> received by the EHD from the public during the required period. The CAP approval is <br /> considered final and it should be implemented as soon as possible. <br /> Please provide the EHD with a work plan (i.e. design, engineering, time schedule) for the <br /> proposed DPE system installation and operation. You are required to obtain all necessary <br /> regulatory permits for construction and operation of the DPE system prior to beginning any <br /> work. <br /> An initial remediation report must be submitted to the EHD and GeoTracker within 90 days of <br /> continuous DPE system operation and semi-annually reporting thereafter. <br /> If you have any further questions regarding this matter, please contact Harlin Knoll at (209) <br /> 468- ;442/ V, . / <br /> Harlin Knoll, REHS_ ` Nuel C. Henderson, Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> Cc: Timothy Cuellar, AGE, 83T Shaw Road, Stockton, CA 95215 <br />