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Effluent Quantity (Q) <br />2100.00 <br />gals/day <br />Effluent Stream (Nw) <br />35.00 <br />mg/L-N <br />Site Area (A) <br />5.00 <br />Acres <br />Concentration Rain (Nb) <br />1.00 <br />mg/L-N <br />Denitrification (d) <br />0.30 <br />% <br />Average recharge rate of rainfall, <br />in inches per year (R) <br />5.25 <br />in/year <br />Uniform waste water loading (I) <br />5.65 <br />in/year <br />Total Nitrate -N Concentration of <br />waste water percolate (Nw) <br />13.18 <br />mg/L-N <br />Uniform waste water loading (I) 5.65 <br />Nr = I*Nw(1-d)+RNb I <br />(I+R) <br />I= Volume rate of water water entering the soil <br />Nw= Total nitrogen concentration of water wate <br />d= fraction of nitrate -nitrogen loss due to denitri <br />R=average recharge rate of rainfall, in inches pe <br />Nb= Background nitrate -nitrogen concentration <br />