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, <br /> 0 <br /> San Joaquin County <br /> °U'" Environmental Health Department DIRECTOR <br /> h Donna Heran,REHS <br /> 600 East Main Street <br /> PROGRAM COORDINATORS <br /> N: < Stockton, California 95202-3029 <br /> fLmlli s J„• Robert McClellon,REHS <br /> Jeff Carruesco,REHS,RDI <br /> - C'' �—•' P - Website: www.s ov.or /ehd Kasey Foley, REHS <br /> q C�FOR�\ )4 8 <br /> Phone: (209)468-3420 <br /> Fax: (209)464-0138 <br /> September 10, 2010 <br /> Stephanie McKenna <br /> Chevron Environmental Management Company <br /> 6111 Bollinger Canyon Road, Suite 3652 <br /> San Ramon, CA 94583 <br /> Subject: Former Unocal Station 0187 <br /> 437 Miner Avenue <br /> Stockton, CA 95202 <br /> WORK PLAN: Enhanced Anaerobic Biological Oxidation Pilot Study Work Plan <br /> DATED: September 2010 <br /> PREPARED BY: Arcadis <br /> APPROVED: Yes <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN [H&S 25296.10(c)(3)1: <br /> 1. Proposal to test in situ treatment of petroleum hydrocarbons via anaerobic bio-oxidation <br /> with sulfate injections. The work plan details the pilot study injections and the monitoring <br /> and reporting plan. <br /> COMMENTS AND CONDITIONS: <br /> 1. A general permit for waste discharge notice of intent must be submitted to the Regional <br /> Water Quality Control Board, Central Valley Region (CVRWQCB) for evaluation. The <br /> pilot test can be implemented once the CVRWQCB has given their approval and/or <br /> issued the general permit. <br /> REASONS FOR DISAPPROVAL OF THE WORK PLAN [H& S 25296.10 (c)(3)]: <br /> 1. None, by the EHD. <br /> CC51A Vert n C�'c— <br /> Lori Duncan, REHS <br /> Senior Registered Environmental Health Specialist <br /> c: Tonya Meyers, Arcadis, 950 Glenn Drive, Suite 125, Folsom, CA 95630 <br /> Jim Barton, CVRWQCB, 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670 <br />