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Find Effluent Rate Q and Concentration Nw. <br /> Nitrate Loading Calculations: <br /> Variable Value Units Description <br /> Q 697.65 gallons per day Effluent flow rate from report <br /> Nw 50.6 mg/L-N Effluent stream concentration from report <br /> A 18.24 acres Site area from report <br /> Nb 1.00 mg/L-N Concentration of rain water from report <br /> d 0.15 constant Denitrification factor from report <br /> R 6.57 inches per year Deep percolation of rain water from report <br /> W 0.51 inches per year Uniform waste water loading for site calculation result <br /> Nc 4.05 mg/L-N RESULT: Long-term average concentration of percolating effluent <br /> Find Variable(M: <br /> (W) in = (Q) gal x 1 ft3 x 365 day(s) x 1 acre x 12 in x 1 site <br /> yr day 7.48 oal 1 vear 43.560 ft2 1 ft (A)acre(s) <br /> 0.51 Wyr(site)=698 gaYday x(1 cu-ft/7.48 gals)x(365 Clays/1 year)x(1 acre/43,560 sq-ft)x(12 in/1 ft)x(1 site/1824 acres) <br /> Hantzsche-Fennemore Equation(Nc): <br /> N�= WNw1L-dl+RNe <br /> W+R <br /> 4.05 mg/L-N=((0.51 in/yr x 50.6 mglL-N x(1-0.15)) +(6.57 in/yr x 1mg/L-N))/(0.51 in/yr+6.57 Wyr) Cweighted <br /> Assumptions:1. Total nitrogen concentration of influent waste stream is 50.6 mg1L-N. If different influent concentrations exe <br /> 2. Fraction of nitrate-N loss due to denitrification in the soil is 15%. <br /> 3. Estimated deep percolation of rainfall is 6.57 intyr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> Plate No.: 10 <br /> Nitrate Loading Calculation <br /> Acquiesce Winery Addition Project No.: 1003 <br /> LIVE OAK 22275 N.Tretheway Rd. Date: February4,2010 <br /> GEO ENVIRONMENTAL INC. Acampo,CA 95220 <br /> f� <br />