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San Joaquin County <br /> Environmental Health Department <br /> DIRECTOR <br /> 1868 East Hazelton Avenue Donna Heran,RENS <br /> 1_I _ Stockton, California 95205-6232 PROGRAM COORDINATORS <br /> Robert McClellon,REHS <br /> i Jeff Carruesco,RENS, RDI <br /> cq i i '6-vi Website: www.sjgov.org/ehd Kasey Foley,REHS <br /> Phone: (209)468-3420 Linda Turkatte,RENS <br /> Rodney Estrada, REHS <br /> Fax: (209)464-0138 Adrienne Ellsaesser,REHS <br /> September 19, 2013 <br /> Michael Griffin John M. Leubberke <br /> St. John's Episcopal Church City of Stockton <br /> 316 North EI Dorado Street 425 North EI Dorado Street <br /> Stockton, CA 95202 Stockton, CA 95202 <br /> Subject: Cancun Restaurant LOP Site Code: 001894 <br /> 135 East Miner Street <br /> Stockton, CA 95202 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed In-Situ <br /> Chemical Oxidation (ISCO) Pilot Study Work Plan (Work Plan) dated September 13, 2013, <br /> submitted on your behalf by Advanced GeoEnvironmental, Inc. (AGE). In the work plan, AGE <br /> recommends a limited ISCO pilot test utilizing a 5% solution of hydrogen peroxide and common <br /> muriatic acid prior to the preparation of a feasibility study and corrective action plan (CAP). <br /> Results from the ISCO pilot test will be used to evaluate the overall performance of the <br /> technology and to potentially design a full scale application plan of the proposed media. The <br /> proposed scope of work for the ISCO pilot test is as follows: <br /> 1) Conduct background/baseline monitoring and sampling utilizing monitoring wells MW- <br /> 1A, MW-1 B, and MW-2B; <br /> 2) Conduct four weekly injection events utilizing wells MWAA and MW1B as dedicated <br /> injection points; <br /> 3) Conduct progress monitoring by sampling, utilizing wells MWAA, MW-1B and MW-2B; <br /> and <br /> 4) Preparation of a report of finding for the ISCO pilot study. <br /> The EHD approves the ISCO Pilot Study Work Plan. Contact Jim Barton of the CVRWQCB for <br /> their requirement to perform the pilot test. Contact the EHD upon commencement of the test. If <br /> you have any questions please contact Lisa Medina at (209) 468-3455, or by email at <br /> Imedina@sjcehd.com. <br /> Regards, <br /> sa Medina, REHS— v� Nuel C. Henderson, Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c: Jim Barton, CVRWQCB, 111020 Sun Center Drive #200, Rancho Cordova, CA 95670 <br /> Bill Little, AGE, 837 Shaw Road, Stockton, CA 95215 <br />