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Nitrate Loading Calculations: <br /> Variable Value Units Description <br /> Q 625.50 gallons per day Effluent flow rate from report <br /> Nw 54.3 mg/L N Effluent stream concentration from report <br /> A 2.69 acres Site area from report <br /> Nb 1.00 mg1L-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 3.13 inches per year Uniform waste water loading for site calculation result <br /> Nc 14.68 rrtglL-N RESULT: Long-term average concentration of percolating effluent <br /> Find Variable(W]: <br /> (W) in = (Q) c,Lal x 1 ft-3 x 365 day(s) x 1 acre x 12 in x 1 site <br /> yr day 7.48 aal 1 vear 43.560 ft 2 1 ft (A)acre(s) <br /> L-2G x 0,13301'b k J&<- X •gym x ly x 0.3:W9+ 2- <br /> 3.13 <br /> 3.13 inlyr(site)=626 gal/day x(1 cu-ftl7-48 gals)x(365 days/1 year)x(1 acre/43,560 sq-N)x(12 in 11 ft)x(1 site 12.69 acres) 3,12- <br /> Find <br /> ,12Find Concentration Nc(Hantzsche-Fennemore Equation): <br /> N�= WNw -dLRnl a <br /> W+R <br /> d.v t 5� <br /> 14.68 mg/L-N=((3.33 inlyr x 54.3 mg/L-N x(1-0.2))+(6.57 i*r x 1 mg&-N))/(3.13 inlyr+6.57 inlyr) <br /> Assumptions: <br /> 1. Total nitrogen concentration of influent waste stream is 54.3 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 inlyr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> Platte No.: 14 <br /> Nitrate Loading Calculation <br /> PON Winery Project No.: 1013 <br /> LIVE OAKN5 w Turner Rd. Date:June 18,2010 <br /> GEO ENVIRONMENTAL INC. Lodi CA 95240 <br />