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. SAN�JOAQUIN a <br /> '°mac° Environmental Health Department <br /> l� COUNTY <br /> Jasjit Kang, REHS, Director <br /> Greatness grows here. Muniappa Naidu, REHS,Assistant Director <br /> PROGRAM COORDINATORS <br /> Robert McClellon, REHS <br /> Jeff Carruesco, REHS, RDI <br /> Willy Ng, REHS <br /> Michael Kith, REHS <br /> Melissa Nissim, REHS <br /> January 7, 2021 <br /> 313's Truck & Auto Plaza ORIGINAL <br /> Tony Khatirine <br /> P.O. Box 2695 <br /> Lodi, CA 95241 <br /> RE: Soil Suitability/Nitrate Loading Study <br /> 14749 N. Thornton Rd, Lodi <br /> APN 055-150-26, SR0083045 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Soil Suitability/Nitrate <br /> Loading (SSNL) Study, dated December 15, 2020 and submitted on December 18, 2020 for the above noted <br /> location, and has the following comments for your consideration. <br /> The SSNL was prepared to determine the suitability of the above noted parcel for onsite wastewater treatment <br /> system (OWTS) usage and the potential long-term impact of nitrate to groundwater from the proposed tenant <br /> improvement to existing gas station. <br /> Based on the information provided, the EHD can make the following findings: <br /> a) The study states the proposed project will have total of 11 restrooms fixtures and each fixture will <br /> generate 150 gallons per day of wastewater. The Usage 150 gallons per day is not justified. Provide <br /> EHD reasoning and data to support the claim that each fixture will generated 150 gallons per day. <br /> b) A commercial septic system typical loads total nitrogen from wastewater of 85 mg/L-N. The study uses <br /> 34.425 mg/L-N to determine potential nitrate loading from proposed improvements. <br /> Submit an addendum to EHD addressing above-mentioned concerns and EHD will respond accordingly. <br /> If you have any questions please contact Naseem Ahmed, Senior Registered Environmental Health <br /> Specialist, at nahmed@sjgov.org or (209) 616-3018. <br /> Muniappa Naidu, REHS <br /> Assistant Director <br /> c: Mike Smith Engineering & AdvancedGeo Environmental <br /> 1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjgov.org/ehd <br />