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Plate 2. <br /> Armosino Property <br /> Nitrate Mass Balance Calculation <br /> (CIMIS Evapotranspiration Method) <br /> Nitrate Loading Calculations: <br /> Variable Value Units Descnption <br /> Q 560 gallons per day Effluent Flow rate from report <br /> Nw 35 mg/L-N Effluent stream concentration from report <br /> A 2.43 acres Site area from report <br /> Nb 1.00 mg/L-N Concentration of rain water from report <br /> d 0.25 constant Denitrification factorfrom report <br /> R 3.64 inches per year Recharge rate of percolating waters from report(evapotranspiration method) <br /> W 3.1 inches per year Uniform waste water loading for site calculation result <br /> Nc 12.6 mg/L-N RESULT., Long-term average concentration of percolating effluent <br /> Find Variable(lM: <br /> (W) )0,- _ (Q) 9;d! x 11 ft3 x 365 day(s) x 1 acre x 12 in x 1 site <br /> yr day 7.48 gal 1 year 43,560 ftz 1 ft (A)acre(s) <br /> 3.1 inlyr(site)=560 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 R)x(1 site 12.43 acres) <br /> Hantzsche-Fennemore Eguation(Nc): <br /> N,= WN...(1-d)+RN. <br /> W+R <br /> 12.61 mg/L-N=((3.1 inlyr x 35 mglL-N x(1-0.25))+(3.64 in/yr x lmg/L-N))/(3.1 inlyr+3.64 inlyr) <br /> Assumptions: <br /> 1. Total nitrogen concentration of influent waste stream is 35 mg/L-N. If different influent concentrations exist,use weighted average <br /> 2. Fraction of nflrate-N loss due to denitrification in the soil is 25%. <br /> 3. Estimated deep percolation of rainfall is 3.64 intyr. <br /> 4. Background ndrate-N concentration of rainfall is 1 mg/L-N. <br /> LOGE 1901 March 19,2019 <br />