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Mr.Ryan Voorhees <br /> July 18,2001 <br /> Page 2 <br /> Table 1. <br /> Total Estimated Effluent. <br /> (see worksheets in Appendix for calculations) <br /> kSecondgaRons/day/person <br /> uantity Maximum Daily effluent quantity for each analysis <br /> Occupancy <br /> 50 5 people 50 gallons/day/person x 2 people=250 gallons/day <br /> s/day/person <br /> 50 Additional <br /> /person 3 people 50 gallons/day/person x 8 people=400 gallons day <br /> (3+5=8) <br /> Table 2 presents a summary of the nitrate loading analysis which considers nitrate <br /> sources from septic systems and rainfall <br /> Table 2. <br /> Summary of Nitrate Mass Balance Analysis. <br /> Parcel Result: Percolating Denitrification Deep Rain Waste Level Rain <br /> Acreage, Nitrate Concentration Factor Percolation Concentration <br /> Occupancy <br /> 2.0 acre 9.64 mg/1-N* 25% 6.84 inches 45 mg/l N** 0.17 mg/1 N <br /> parcels, (Parcels 2-6) <br /> 8 people <br /> (Plate 1) <br /> 10 acre 0.17 mg/1-N* 25% 6.84 inches 45 mg/1 N** 0.17 mg/l N <br /> parcel, (Parcell) <br /> 8 people <br /> (Plate 2) <br /> * Note:Maximum drinking water standard for Nitrate is 10 mg/L-N(45 mg/L as NO3). <br /> ** Note: Waste level of sewage as N,not to be confused with the MCL for drinking water of 45 mg/1-as NO,. <br /> Attached as Plates 1, 2, and 3 are the worksheets showing the calculation for the site with <br /> the second dwelling unit consisting of three(3) additional persons occupying the site. Based on <br /> the analysis, it is unlikely that the second dwelling could cause a buildup of nitrates above 10 <br /> mg/L-N within ground water. This is mainly due to the resulting nitrate level of the nitrate <br /> loading analysis, the extensive clayey soils encountered to a depth of 25 feet during percolation <br /> testing, and the 65 to 73 foot depth to ground water. <br /> pFF104 <br /> p,j�4 <br />