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Nitrate Loading Calculations: <br /> Variable Value Units Descnotion <br /> Q 276.4 gallons per day Effluent flow rate from report <br /> NW 85 mg/L-N Effluent stream concentration from report <br /> A 30 acres Site area from report <br /> Nb 1.00 mg/L-N Concentration of rain water from report <br /> d 0.25 constant Dendrificefion factor from report <br /> R 3.10 inches per year Deep percolation of rain water from report <br /> W 0.12 inches per year Uniform waste water loading for site calculation result <br /> Nc 3.42 mg/L-N RESULT. Long-term average concentration of percolating effluent <br /> Find Variable(Vii: <br /> (W) in = (Q) gal x 1 fe x 365 day(s) x 1 acre x 12 in x 1 site <br /> yr day 7.48 pal 1 Year 43,560 ft' 1 ft (A)acre(s) <br /> 0.12Wyr(site)=276 gal/day x(1 cu-ft/7.48 gals)x(365 daysr 1 year)x(1 acre/43,560 sq-ft)x(12 in/1 ftl x(1 site 129.92 acres) <br /> Find Concentration Nc(Hantzsche-Fennemore Equation) <br /> N,= WN„ 1( [i)+RN"_ <br /> W+R <br /> 3.42 mg4--N-((0.12 iW x 85 mgr&-N x(1-0.25))+(3.1 iW x 1mg&-l1n)/(0.12 ir✓yr+3.1 m/yr) <br /> ptiom <br /> 1. Total nitrogen concentration of influent waste stream is 85 mg/L-N. If different influent concentrations exist, use weighted average <br /> 2. Fraction of nitrate-IN loss due to denitrification in the soil is 25%. <br /> 3. Estimated deep percolation of rainfall is 3.1 in/yr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> Plate No.: 11 <br /> Nitrate Loading Calculation <br /> GoldRiver Orchards Project No.: 1123 <br /> LIVE OAK 17864 Enterprise Rd. Date: February 7,2012 <br /> GEO ENVIRONMENTAL INC Escalon, CA <br />