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Nitrate Loading Calculations: <br /> Variable Value Units Descriph'on <br /> Q 560 gallons per day Effluent flow rate from report <br /> Nw 35 mg/L-N Effluent stream concentration fmm report <br /> A 2.34 acres Site area from report <br /> Nb 1.00 mg/L-N Concentration of rain water from report <br /> it 0.25 constant Denftrifcaflon factor from report <br /> R 9.6 inches per year Recharge rate of percolating waters from report <br /> W 3.2 inches per year Uniform waste water loading for site calculation result <br /> Nc 7.3 mg/L-N RESULT: Long-term average concentration of percolating effluent <br /> Find Variable(W): <br /> (W) jo_ = (Q) a x 1S3 x 365 day(s) x 1 acre x 12 in x 1 site <br /> yr day 7.48 gal 1 year 43,560 ft2 1 ft (A)acre(s) <br /> 3.22 inlyr(site)=560 gal/day x(1 cu-ft/7.48 gals)z(365 days/1 year)x(1 ace/43,560 sq-ft)x(12 m/1 ft)x(1 site/2.34 acres) <br /> Hantzsche-Fennemom Ecuation(NO: <br /> • N�= WIN (1-d)+M <br /> W+R <br /> 7.34 mg/L-N=((3.22 inlyr x 35 mg,L-N x(1-0.25))+(9.6 irdyr x lmg,L-N))/(3.22 irVyr+9.6 in/yr) <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 nitrate-N loss due to denitdfcation in the soil is 25%. <br /> 3. Estimated deep percolation of rainfall is 9.6 in/yr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> Nitrate Loading Calculation Plate No.: 11 <br /> Project No: 1901 <br /> Armosino Property <br /> LIVE OAK 16724 S.Lawrence Rd. Date: January 31,2019 <br /> GEO ENVIRONMENTAL INC. EScalon,CA <br />