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Find Effluent Rate Q and Concentration Nw: <br /> Nitrate Loading Calculations: <br /> Variable Value units Description <br /> Q 1134:5 gallons per day Effluent flow rate from report <br /> Nw 46.90 mg/L-N Effluent stream concentration from report <br /> A 39.70 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 6.57 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 2:89 mg/L-N RESULT: Longxerrn average concentration of percolating effluent <br /> Find Variable : <br /> (W) in = (Q) gal x 1 ft3 x 365 day(s) x 'I acre x 12 in x 1 site <br /> yr day 7.48 aal 1 vear 43.5 ftp 1 ft (Al acre(s) <br /> 61�3i�� � J ooh;a5 i.� oaSi�F� <br /> 0.38 inlyr(site)= 1,135 gallday x(1 cu-ft l 7.48 gals)x(365 days/?.year)x(1 acre 143,560 sq-ft)x(12 in l 1 ft)x(1 site 139.7 acres) <br /> Hantzsche-Fennemore Equation(Nc): <br /> N,= WNw 1j -d)+RN„ <br /> # W+R <br /> izeaa <br /> 2.89 mg/L-N=((0.38 inlyr x 46.9 mgI-N x(1-025))+(6.57 irrlyr x 1 mg1L-N))1(0.38 in1yr+6.57 inlyr) <br /> assumptions: <br /> 1. Total nitrogen concentration of influent waste stream is 46.9 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 25%. <br /> 3. Estimated deep percolation of rainfall-is-6:57-in/yr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mgIL-N. <br /> Plate-No.: 10 <br /> Kitrate Loading Calculation <br /> Project No.: 0915 <br /> Culbertson Winery <br /> LIVE OAK 23228 N.Elliott Rd. Date: October 30,2009 <br /> GEO ENVIRONMENTAL INC. Acaimpo,-CA 95220 <br />