Laserfiche WebLink
1 <br /> r <br /> ' Nitrate Mass Balance Calculation <br /> rData Input: <br /> ' Nuem Quantity(Q): 51.43 gals/day Concentration Rain(No): 1.00 mg/L-N <br /> Effluent Stream(Nv,): 85.00 mg/L-N Denitrification(d): 25.0% <br /> Site Area(A),119.19 Acres I Deep Pem.of Rain R), 4.37 in/yr <br /> Waste Loading(W):10.04 inlr <br /> ' Result: <br /> Mass Balance(Ne): 1.5 mg/L-N <br /> MCL Drinking Water Nitrate as N: 10.0 mg/L-N Waste Loading(W): 0.04 in/yr <br /> Percent of MCL Nitrate as N 15% <br /> Equations: <br /> (W) in = (Q) gaal x 1 W x 365 day x 1 acre x 12 in x 1 Find <br /> yr day 7.48 gal 1 year 43,560 ft2 T ft (A)acre <br /> 0.04 in/yr(site)=51 gal/day x(1 cu-ft/7.48 gals)x(365 daysr 1 year)x(1 acre 143,560 sq-ft)x(12 in/1 k)x(1 site/19.19 acres) <br /> r Nc= WN 1�{_d)+RNe Hantzsche-Eennemore Equation(Nc) <br /> W+R <br /> 1.51 mg/L-N=((0.04 in/yr x 85 mg/L-N x(1-0.25))+(4.37 in/yr x lmg/L-N))/(0.04 in/yr+4.37 in/yr) <br /> r Variables: <br /> Nc=Average nitrate-N concentration(mg/1).of combined effluent and rainfall percolate(1.51 mg/L-N). <br /> W=Uniform waste water loading for study area(in/yr)(0.04 inches/year). <br /> Nw=Total nitrate-N concentration of waste water percolate(85 mg/L-N). <br /> r d=Fraction of nitrate-N loss due to denitrification in the soil(25%). <br /> R=Uniform deep percolation of rainfall(4.37 in/yr). <br /> Nb=Background nitrate-N concentration of rainfall(1 mg/L-N). <br /> Assumptions: <br /> 1. Total nitrogen concentration of waste stream based on estimate of 85 mg/L-N. <br /> 2. Fraction of nitrate-N loss due to denitrification in the soil is assumed to be 25%. <br /> 3. Estimated deep percolation of rainfall is 4.37 in/yr,see deep percolation of rain worksheet. <br /> 4. Assume background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> r <br /> r <br /> r <br /> r <br /> rProtect Manager <br /> Prop NA167038 NITRATE LOADING CALCULATION PLATE <br /> NOADrawn by: Scale: 1rerracon <br /> I GLO Not to Scale AVANTI NUT NEW BUILDING RESTROOM <br /> Checked by: File Name: O <br /> NOA N/A 902 industrial Way 9870 8 9982 N.PEZZI ROAD (J <br /> Approved by: Date: Lodi,CA 95240-3106 STOCKTON,SAN JOAQUIN COUNTY,CALIFORNIA <br /> NOA MAY.2016 <br /> r <br />