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October 19, 2020 Irerracon <br /> Mr. Sombun Laxsanaamporn <br /> Phrabuddhivongsamunee Buddhist Temple <br /> PO Box 690610 RECEIVE[) <br /> Stockton, CA 95269 <br /> OCT 27 2QZ0 <br /> P: (209) 244-8463 ENVIRONMENTAL HEALm <br /> E: couragee25(a�gmail.com DEPARTMENT <br /> Re: Soil Suitability Study/ Nitrate Loading Study Addendum <br /> Phrabuddhivongsamunee Buddhist Temple <br /> Proposed Dormitory (APN: 055-200-03) <br /> 11241, 11253, and 11265 N. Thornton Road <br /> Stockton, San Joaquin County, California <br /> Terracon Project Number: NA177056 <br /> EHD Application Number: PA-1600266, SR0080888 <br /> Dear Mr. Laxsanaamporn, <br /> Terracon prepared a Soil Suitability Study and Nitrate Loading Study (SSNLS) for the site dated <br /> July 11, 2019, Terracon Project No. NA177056 and addresses requirements contained in the Soil <br /> Suitability/Nitrate Loading Study letter dated October 29, 2019, PA-1600266, SR0080888 <br /> prepared by the San Joaquin County Environmental Health Department (EHD). <br /> In February 2020, the EHD approved a revised calculation method for long term average <br /> discharge of waste water and recommended 100 gallons per day (gpd) for the first bedroom and <br /> 50 gpd for each additional bedroom. Based on the approved EHD methods, Terracon revised <br /> the long term average daily flow for the residential Septic Systems No. 1 and No. 3. No revisions <br /> were made to the commercial system Septic System No. 2 <br /> Typical Quantity of Effluent— Revised. <br /> Estimated AverageNo. <br /> Septic Residential/ Quantity <br /> No.of Days Maximum Daily Average Daily Flow <br /> System Building People Per Commercial Per Per Flow(gpd) (gpd) <br /> Number Day Use Person Year <br /> al <br /> Existing 5 5 bedrooms x 1 1 bedroom x 100- <br /> 1 Bedroom 5 R --- 365 person x 70 gallons+4 <br /> Residence gallons=350 bedrooms x 50- <br /> gallons=300 gpd <br /> Assembly 5 people x 5 gallons <br /> Hall Daily 5 C 5 365 5 people x 5 x 365 days/365 <br /> Visitors gallons=25 days per year=25 <br /> 2 d <br /> 7 Full Moon 15 C 5 7 15 people x 5 15 people x 5 <br /> Events gallons =75 gallons x 7 days/ <br /> Terracon Consultants Inc. 902 Industrial Way Lodi, CA 95240-3106 <br /> P 209-367-3701 F 209-333-8303 terracon.com <br />