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�,�_"� �=.=:i 1;T�7 i�:�l :.�l �.�1 _�.,�1 .._.�:-7 fes] �� �1 •�!1 � � '�7 �i .�;] �-1 �1 <br /> t <br /> NITRATE LOADING STUDY- DATA <br /> Data laput: <br /> Quantity(Q:219 1,ddny Concentration Rain(N):1.00 Mg/T.-Ar <br /> Sue,tN, 35,00m lL-N Denitrification(d)-11.5.0% <br /> Site Area(A):19.73 Acres Deep Pere.of Rain(R): .76 m1w <br /> Equations: <br /> {N9 b =(0) a3 x -LAI x 365 day x 1 acre x 12 In x 1 Fans(M <br /> yr day 7.48 gal 1 year 43,560 ft, 1 ft (A)acre <br /> r, <br /> 01, <br /> 0Yn/yr(site)-2d0 ga!/day s(I cu JF/7.48 gals).v(365 days/l year)x(I acre 143,560 sq-fl)s(J2 in/I ff)A(l site/9,73 acres) 0 <br /> `/ N + me <br /> Hantzsche-P'c morri Eow dion I& <br /> m.-RN_7G ,33 <br /> r f Omg/f..W'=({Oin/yr x ng/L-N 1(1-0.lD <br /> )1(0in/yr+576/76iniyr) <br /> Result: <br /> ass Ralanee[N,Y 2.6 mMCLDrinking aterNitrate as N:100Waste Loading(W):0.33 in/yrPercent of. CL Nitrate as N 26%Variables: <br /> Nc=Average nitrate-N Concentrarainfall percolate(0 nigI-N). <br /> W=Uniform waste water loading for study area(in/yr)(0 inches/year). <br /> Nw=Total nitrate-N concentration of waste water percolate(3 5 mgfL-N). <br /> d=Fraction of nitrate-N loss due to denitrification in the soil(15%). <br /> R=Uniform deep percolation of rainfall(5.76 in/yr). <br /> Nb=Background nitrate-N concentration of rainfall(I mg1LN). <br /> Assumptions: <br /> 1. Total nitrogen concentration of waste stream based on estimate of 35 cvw)T N. <br /> 2. Fraction of nitrate-N loss due to denitrification in the sail is assumed 1u be 15%. <br /> 3, Estimated deep percolation of rainfall is 5.76 in/yr,see deep percolation of rain worksheet. <br /> 4. Assume background nitrate-N concentration of rainfall is l mg/L.N. <br />