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NRrate Loading Calculations: <br /> Venable Value Units Descnpa'on <br /> D 4779 gallons per day Effluent flow rate from report <br /> Nw 64.2 mg/L-N Effluent stream concentration from report <br /> A 52.95 acres Site area from report <br /> Nb 1.00 mg/L-N Concentration of rain water from report <br /> d 0.25 constant Denitrification factor from report <br /> R 12.93 inches per year Deep percolation of rainwater from repon <br /> W 1.21 inches per year Uniform waste water loading for site calculation result <br /> Nc 5.0 mg&L N RESULT: Long-term average concentration of percolating affluent <br /> Find Variable(Wl: <br /> (W) IC = (Q) go-[ x 1.113 x 365 days) x ]acre x 12 in x I Site <br /> yr day 7.48 gal 1 year 43,560 ft2 1 ft (A)acre(s) <br /> 1.21 inyr(site)=4,779 gal/dayx(1 cu-R/7.48 gals)x(365 deysr 1 year)x(1 am/43,560 s(I-It)x(12 in/1 R)x(1 site/52.95 acres) <br /> Hantzsche-Fennemom Equation INO, <br /> • N�= WN,It! <br /> W+R <br /> 5.04 mg&L N=((1.21 irvyr x 64.2 mq&-N x(1-0.25))+(12.93 inyr x lmg L-N))/(1.21 inyr+12.93 inyr) <br /> Assumptions: <br /> 1. Total nitrogen concentration of influent waste stream is 64.2 mg/L-N. If different influent concentrations exist,use weighted average <br /> 2. Fraction of nitrate-N loss due to denitrification in the sal is 25%. <br /> 3. Estimated deep percolation of rainfall is 12.93 in/yr. <br /> 4. Background nitrate-N concentration of rainfall is 1 mg/L-N. <br /> Nitrate Loading Calculation Plate No.: 5 <br /> . Phillips Farms/Michael David Winery Project No.: 1726 <br /> Production Office Facility Date: September 20,2017 <br /> LIVE OAK 4580 W.Highway 12 <br /> GEO ENVIRONMENTAL INC. Lodi, CA <br />