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`�°Paro l SANJOAQUIN <br />COUNTY <br />Greatness grows here. <br />April 7, 2017 <br />Don Chesney, PE <br />Chesney Consulting <br />P.O. BOX 3794 <br />Turlock, CA 95381 <br />Environmental Health Department <br />RE: Nitrate Loading Study for 31187 S. Koster Rd., Tracy <br />Service Request SR0077015 <br />Linda Turkatte, RENS, Director <br />Kasey Foley, RENS, Assistant Director <br />PROGRAM COORDINATORS <br />Robert McClellon, REHS <br />Jeff Carruesco, RENS, RDI <br />Rodney Estrada, REHS <br />Willy Ng, REHS <br />Muniappa Naidu, REHS <br />The San Joaquin County Environmental Health Department (EHD) has received and reviewed <br />your Nitrate Loading study report dated February 24, 2014, and has found it acceptable. <br />SPECIAL COMMENTS: <br />Due to the nitrate loading calculation resulting in effluent concentration of 17.9 ppm as nitrate - <br />nitrogen and the maximum contaminant level of 10 ppm, the EHD will require the mitigation <br />procedure of placing four inches of highly organic peat or wood chip type material on the <br />bottom of the leach field trenches. <br />If you have any questions please call Ted Tasiopoulos, Senior Registered Environmental <br />Health Specialist, at (209) 953-7698 <br />Rodney Estrada, REHS <br />Program Coordinator <br />1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjcehd.com <br />