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Nitrate Loading Calculations: <br /> Variable Value Units Descriptio <br /> Q 766.2 gallons per day Effluent flow rate from report <br /> Nw 47.4 mg/L-N Effluent stream concentration from report <br /> A 5.00 acres Site area from report <br /> Nb 1.00 mg/L-N Concentration of rain water from report <br /> d 0.25 constant Denitrification factor from report <br /> R 6.58 inches per year Deep percolation of rain water from report <br /> IN 206 inches per year Uniform waste water loading for site calculation result <br /> Nc 9.24 mg/L-N RESULT: Long-term average concentration of percolating effluent <br /> Find Variable(iM: <br /> (W) in = (Q) gal x 1 W x 365 da s x 1 acre x 12 in x 1 site <br /> yr day 7.48 aal 1 vear 43.560 if 1 ft (A)acre(s) <br /> 2.06 io/yr(site)=766 gallday x(1 cu-#1 7.48 gags)x(365 days!1 year)x(1 acre 143,560 sq-ft)x(12 in l 1 ft)x(1 site/5 acres) <br /> Nantzsche-Fennemore Equation(Nc): <br /> Nc= WN„(1-dI+RN. <br /> W+R <br /> 1 .7.43 (.50 <br /> 9.24 mgt-N=((2.06 inlyr x 47.4 mgVL-N x(1-0.25))+(6.58#Vyr x 1mA-N))/(2.06 ir✓yr+6.58 in/yr) <br /> Assumptions: <br /> 1. Total nitrogen concentration of influent waste stream is 47.4 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 25%. <br /> 3. Estimated deep percolation of rainfall is 6.58 in/yr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> Plate No.: 10 <br /> Nitrate Loading Calculation <br /> Riaza Winery Project No.: 1122 <br /> LIVE OAK 10171 E.Acampo Rd. Date: September 2,2011 <br /> CEO ENVIRONMENTAL INC. Acampo,CA 95220 <br />