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Nitrate Loading Calculations: <br /> Variable Value Units Description <br /> Q 634.8 gallons per day Effluent flow rate from report <br /> Nw 47.2 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 /> W 1.71 inches per year Uniform waste water loading for site calculation result <br /> Nc 8.08 mg/L-N RESULT: Long-term average concentration of percolating effluent <br /> Find Variable (W: <br /> (W) in = (Q) gal x 1 ft3 x 365 day(s) x 1 acre x 12 in x 1 site i <br /> yr day 7.48 aal 1 vear 43.560 ft` 1 ft (A) acre(s) <br /> 1.71 inlyr(site)=635 gaUday x(1 cu-ft/7.48 gals)x(365 days/1 year)x(1 acre/43,560 sq-R)x(12 in/1 R)x(1 site/5 acres) <br /> Hantzsche-Fennemore EeLation_(Nc <br /> N�= WNw 1�+RNA_, <br /> W+R <br /> leo- �y7L <br /> 8.08 mg/L-N=((1.71 in/yr x 47.2 mpt-N x(1-025))+(6.58 irtlyr x 1 mg/L-N))/(1.71 inlyr+6.58 in/yr) <br /> V <br /> Assumptions: <br /> 1. Total nitrogen concentration of influent waste stream is 47.2 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 25W <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.: 12 9 <br /> Nitrate Loading Calculation <br /> Project No.: 1325 <br /> Maha Shakti Ashram Sanstha <br /> LIVE OAK 3885E. Eight Mile Rd. Date: December 2,2013 <br /> GEO ENVIRONMENTAL INC. Lodi,CA 95240 <br />