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Nitrate Loading Calculations: <br /> Variable Value Units Desorption <br /> Q 641,60 gallons per day Effluent flow rate from report <br /> Nw 47.6 mg/L-N Effluent stream concentration from report <br /> A 10.01 acres Site area from report <br /> Nb 1.00 mg/L-N Concentration of rain water from report <br /> d 0.20 constant Denitrification factor from report <br /> R 6.57 inches per year Deep percolation of rain water from report <br /> W 0.86 inches per year Uniform waste water loading for site calculation result <br /> Nc 5.30 mg/L-N RESULT Long-term average concentration of percolating effluent <br /> Find Variable <br /> (W) in = (Q) ga] x 1 ft3 x 365 day(sl x 1 acre x 12 in x 1 site <br /> yr day 7.48 oal 1 vear 43.560 fl? 1 ft W acre(sl <br /> ,� o./�3bOUv , ' c'"Zzs 0.0998 <br /> 0.86 in/yr(site)=642 gaYday x(1 cu-it/T 48 gals)x(365 days/1 year)x(1 acre/43,560 sq-ft)x(12 in 11 ft)x(I site/10.01 acres) <br /> Find Concentration Nc Liantzsche-Fennemore Equation): <br /> 1 N,= WN„, 1�+RNp <br /> 1 W+R <br /> 5.3 mg/L-N=((0.86 in/yr x 47.6 mg/L-N x(1-0.2))+(6.57 irr/yr x 1 mg/L-til))/(0.86 in/yr+6.57 in/gr) n/ <br /> Assumptions. <br /> 1. Total nitrogen concentration of influent waste stream is 47.6 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 20%. <br /> 3. Estimated deep percolation of rainfall is 6.57 in/yr, <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N_ <br /> Plate No.: 10 <br /> Nitrate Loading Calculation <br /> Project No.: 1005 <br /> Kidder Winery <br /> LIVE OAK 17266 N.Hillside Dr. Date: March 22,2010 <br /> GEO ENVIRONMENTAL INC. Lodi 4A 95240 <br />