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Nitrate Loadinc Calculations: <br /> Variable Value Units Descripfron <br /> a 671.9 gallons per day Effluent flow rate from report <br /> Nw 49.3 mg/L-N Effluent stream concentration from report <br /> A 59.00 acres Site area from report <br /> Nb 1.00 mg/L-N Concentration of ran water from report <br /> d 0.15 constant Denitrification factor from report <br /> R 7.38 inches per year Deep percolation of rain water from report <br /> W 0.15 inches per year Uniform waste water loading for site calculation result <br /> Nc 1.83 mg/L-N RESULT. Long-term average concentration of percolating effluent <br /> Find Variable(W}: <br /> (W) in = (Q) gal x 1 f-' x 365 day(s) x 1 acre x 12 in x 1 site <br /> yr day 7.48 gal 1 year 43,560 ft2 1 ft (A)acres) <br /> (). 1 ' 89 0,(DW 7?5 'q'() / <br /> 0.15 in/yr(site) =672 gailday x(1 cu-M1748 gas)x(365 days/1 year)x(9 acre/43,560 sq-lt)x(12 in/1 1f)x(1 site 159 acres) <br /> Hantzsche-Fennemore Equation (Mc): <br /> N�= WNw 1(_-d�+RNA <br /> w <br /> W+R <br /> 1.83m =((0.15 inlyr x 49.3 mg4--N x(1-0.15))+(7.38 inlyr x lmg/L-N))/(0.15 in/yr+7.38 inlyr) <br /> Assumptions: <br /> 1. Total nitrogen concentration of influent waste stream is 49.3 mg/L-N. If different influent concentrations exist, use weighted average <br /> 2. Fraction of nitrate-N loss due to denitrification in the soil is 15%. <br /> 3. Estimated deep percolation of rainfall is 7.38 inlyr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> Plate No.:11 <br /> Nitrate Loading Calculation <br /> Bokisch Vineyards Project No.: 1402 <br /> LIVE OAK 18909 8191081 N.Atkins Rd. Date: February 10,2014 <br /> GEO ENVIRONMENTAL INC. Lodi,CA 95240 <br />