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Nitrate Loading Calculations: <br /> Variable Value units Description <br /> Q 1203 gallons per clay Effluent flow rate from report <br /> Nw 53.2 mg/L-N Effluent stream concentration from report <br /> A 40 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 3.08 inches per year Deep percolation of rain water from report <br /> W inches per year Uniform waste water loading for site calculation result <br /> NC 5.8d mg1L-N RESULT: Long-term average concentration of percolating effluent <br /> Find Variable 8M: <br /> (W) in = (Q) gal x 1 ft- x 365 days) x 1 acre x 12 in x 1 site <br /> yr day 7.48 qal 1 year 43,560 ft2 1 ft (A)acre(s) <br /> 0.41 in/yr(site)= 1,209 gal/day x(1 cu-ft/7.48 gals)x(365 days/1 year)x(1 acre/43,560 sq-ft)x(12 in/1 ff)x(1 site/40 acres) <br /> Find Concentration Nc Hantzsche-Fennemore F uation : <br /> N.= WNW 1-d +RNe <br /> W+R <br /> Cmgl4Lt-N ((0.41 in/yr x 53.2 mgt-N x(1-0.2))+(3:08 in/yr x 1mg/L-N))/(0.41 in/yr+3.08 in/yr) <br /> 1. Total nitrogen concentration of influent waste stream is 53.2 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 20%. <br /> 3. Estimated deep percolation of rainfall is 3.08 inlyr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> Plate No.: 10 <br /> Nitrate Loading Calculation <br /> Cut to the Taste Processing Building Project No.: 1016 <br /> LIVE OAK 17239 E.Loulse Ave. Date: June 18,2010 <br /> GEO ENVIRONMENTAL INC. Escalon,CA <br />