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September 24, 1999 <br /> Job Number:599244 <br /> Page 7 <br /> Total Estimated Daily Usage (see worksheets in Appendix for calculations) <br /> Job Effluent usage far Shifts per day Employees per Daily effluent quantity per job <br /> category employee for each shift category <br /> category <br /> Warehouse 15 gals 1 8 120 gaWday <br /> Office 30 gals 1 60 1,800 gal <br /> Plant 15 gals 2 64 , j 9 z <br /> Total: 3,840 gals/day <br /> Result and Variables Used in the Mass Balance Analysis <br /> (see worksheets in Appendix for calculations) <br /> Result of Denitrdi- Deep Rain Waste level' Rain Acres <br /> Analysis cation' Percolation Concentration <br /> 4.82 m&-N_ 25% i 2.54 ' 45 !!!o N 0.17 mgA N 126.35 <br /> The results of the analysis indicates that viewing the septic and rain loads for the 126.35- <br /> acre site for an average year, the combined rain water and treated septic effluent is estimated to be <br /> 4.82 mg/1-N, about half of the maximum contaminate level for the drinking water standard of 10 <br /> mg/1-N. <br /> VIII. CONCLUSIONS AND RECOMMENDATIONS <br /> In conclusion, analysis of the percolation test indicates a percolation rate of <br /> per inch for a depth of 10.5 feet within the proposed leach field area. A forty-foot boring found <br /> no groundwater in the proposed leach field area. The estimated total average yearly nitrate <br /> loading concentration for the property is estimated to be 4.82 mg/1-N,about half of the maximum <br /> contaminate level for the drinking water. <br /> f <br /> 3I-iantzshe N.N.,Finnemore,E.). 1991,Predicating Ground-Water Nitrate-Nitrogen Impacts. Ground <br /> Water Vol. 30,No.4. <br /> s <br /> C 4 <br /> r <br /> Yf t O G\ <br />