Laserfiche WebLink
Nitrate Mass Balance Calculation <br /> Data Input: <br /> Effluent Quantity(Q): 38.57 gals/day Concentration Rain(Nb): 1.00 mg/L-N <br /> Effluent Stream (N,): 85.00 mg/L-N Denitrification(d): 15.0% <br /> Site Area(A): 2.22 Acres Deep Perc. of Rain(R): 3.21 in/yr <br /> Waste Loading(W): 0.23 in/ r <br /> Result: <br /> Mass Balance(N j: 5.8 mg/L-N <br /> MCL Drinking Water Nitrate as N: 10.0 mg/L-N Waste Loading(W): 0.23 in/yr <br /> Percent of MCL Nitrate as N 58% <br /> Equations: <br /> (W) in = (Q) gal x 1 W x 365 day x 1 acre x 12 in x 1 Find W <br /> yr day 7.48 gal 1 year 43,560 ft2 1 ft (A) acre <br /> O /3 IQJ Y ✓�� Y (�DGY�22�7 K J2 X D �J�Dby <br /> 0.23 in/yr(site)=39 gal/day x(1 cu-ft/ 48 gals)x(365 days/1 year)x(1 acre/43,560 sq-ft)x(12 in/1 ft)x(1 site/2.22 acres) <br /> _ 0.23 SS6S} <br /> �• N�= WN0-d)+RNb Hantzsche-Fennemore Eouation(Nc) <br /> W+R <br /> 4 3 z / 3.1(3 <br /> 5.85 mg/L-N=((0.23 in/yr x 85 mg/L-N x(1-0.15))+(3.2 in/yr x 1mg/L-N))/(0.23 in/yr+3.2 in/yr) - s-4 <br /> 0-8s� <br /> Variables: <br /> Nc=Average nitrate-N concentration(mg/1)of combined effluent and rainfall percolate(5.85 mg/L-N). <br /> W=Uniform waste water loading for study area(in/yr)(0.23 inches/year). <br /> Nw=Total nitrate-N concentration of waste water percolate(85 mg/L-N). <br /> d= Fraction of nitrate-N loss due to denitrification in the soil(15%). <br /> R=Uniform deep percolation of rainfall(3.2 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 15%. <br /> 3. Estimated deep percolation of rainfall is 3.2 in/yr,see deep percolation of rain worksheet. <br /> 4. Assume background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> DATE: OCTOBER 2014 <br /> NEIL O. ANDERSON Nitrate Loading Calculation JOB NUMBER: LGS140011 <br /> '444 A N D A S S O C I A T E S <br /> SCALE:Not to scale <br /> Alferracon COMPANY Trans Sohal Logistics DRAWN BY: TS <br /> 902 Industrial Way,Lodi,CA 95240 2454 Teepee Drive CHECKED BY: HS <br /> 209-367-3701 Stockton, California SHEET: g <br /> Ca dght 0 2014 Net Ald-11-AN Righl,Res el <br />