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LBA Realty- Nitrate Loading Calculations <br /> Effluent Flow Rate, Q <br /> Employees GPDC Total GPD Effl. <br /> 490 10 4900 <br /> Uniform Waste Water Loading,W <br /> GPD Effl (gpd) EffI.,cu-ft/yr Area,A(acres) Area,sq.ft. W(inches/yr) <br /> 4900 239,104 46.42 2,022,055 1.42 <br /> Deep Percolation of Rainfall (Note:Aw,Watershed Area is larger than parcel=58.03 ac.) <br /> Avg. Prec.,in Deep Perc,% Aw(acres) R, inches per year <br /> 11 60% 58.06 8.25 <br /> Nw Effluent N Conc., mg/I 70 <br /> Nb Rainwater N, mg/I 1.0 <br /> d Denitrification factor 12% <br /> Nc=WNw(1-d)+RNb/W+R 9.88 mg/1-N <br /> Figure 3 -Summary of Calculations <br /> 101 <br />