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Project Number E05174A Additional Nitrate Loading Estimate <br /> SKS Enterprises <br /> 23709 E. Brandt Road, Lodi, CA <br /> calculate mass of Nkrogen-N from Septic Sysym �j � <br /> Septic system effluent quantity will be up to 1518 gpd(from Table 1 of the report). <br /> Septic system effluent average concentration(Nw)is 60 mglL-N(from Section 3.4.1 of the report). <br /> 1518 gpd x 365 dayslyear=554,070 gallons per year(septic system waste water). <br /> 3.785 liters is 1 gallon <br /> 554,070 gallons x 3.785 Iiterslgallon=?.097.155 Gte year(septic system wastewater). <br /> F�&,F 2,097,159 Werslyear x 60ma1L-N= 125,829,240 mglyear <br /> /O 125,829,240 mgfyear x 1 gram/1000 mg= 125,829 gramstyear <br /> 125,829 grams/year x 1 pound1453.59 grams=277.41 lbs Nlyear(from septic system) l <br /> -Je' 277 lbs Nlyear(from septic system) k <br /> Calculate mass of Nitrogen-N and volume from Rain FAR: <br /> ,-Total average rain fall on the site is'17 indres(from Section 3.2 of the report). <br /> Average concentration of rainwater is 1 m k- (fromSe / <br /> The site is composer of three parcels of 36� ,res, 7.04 acres and 153.17 acres totaling 673.81 acres. <br /> 17.57 inches x 1 fV12 inches x 673.81 acres x 43,560 sflacre x 28.3 literslcf= 1,216,192,369 literslyear <br /> 1 mg/L-N x 1,216,192,369literslyear= 1,216,192,369 mg/year(from rain fall) <br /> 1 pound=453.59 grams and 1 mg =0.001 grans <br /> 1,216,192,369 mg x 1 gram/1000 mg x 1 Ib/453.59 grams= 2,681 lbs/year N (from rain fall) <br /> > 2,681 ibslyear(from rain fall)-*- <br /> Calculate mass of Nltrogen-N form manuralcompost: <br /> d ) <br /> During the composting process,approximately 113 of the volume is reduced including the carbon addalives(SKS Enterprises). <br /> Total N per yard (wet compost)is 15.07 lbs(http:Ilcsanr.wsu.edulresourcestcompost/Cc2.PDF). <br /> Each birdhouse generates 15 to 20 yards of manure per day(17.5 yards average). Six houses are planned for total build out, <br /> not the nine shown on the site plan. <br /> 112 of the compost will be applied to the fields. Eventually, SKS Enterprises will sell or give 100%of the compost away(SKS Enterprises). <br /> There is an average of 10.87 lbs of N per yard of compost Http:Rcsanr.wsu.edu/resaurceslcomposNCc2.PDF,results of a composting study). <br /> 17.5 vardslday manure X 6 houses= 105 yardsiday(at full build out) <br /> During composting, manure volume loss is approximtely 113 according to SKS Enterprises <br /> 105 yards/day manure x 0.66(113 loss during composting)=70 yardstday compost <br />