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K11 WN <br /> KLEINFFLDF;R <br /> • Our calculation is as follows: <br /> Ne = 0.026(2)(35)(1 —0.25)+0.5(7.6) = 1.365 + 3.8 = 0.67 mg/1 as N <br /> 0.026(2)+7.6 0.052 +7.6 <br /> CONCLUSIONS <br /> Based on the above evaluation, we conclude that wastewater produced by the proposed leach <br /> field should not have a nitrate as nitrogen (N) concentration at the groundwater level greater than <br /> 10 mg/l. The results of our percolation tests indicate that a suitable soil percolation stratum <br /> exists below a depth of about 3 feet. The results of our percolation tests indicate that a <br /> conventional septic tank/leach trench sewage disposal system should adequately serve the <br /> proposed residence. <br /> LIMTATIONS <br /> The conclusions of this report are based on the information provided regarding the existing and <br /> proposed development and on the site conditions. It was assumed that the percolation test results <br /> are representative of the subsurface conditions in the general area. <br /> This completes the scope of work requested. Our work was performed in general accordance <br /> with the standard of care that exists in San Joaquin County. No other guarantee or warranty, <br /> • expressed or implied, is made. <br /> Respectfully submitted, . <br /> KLEINEEL ER, INC. <br /> Ronald E. Loutzenhiser C.E. <br /> Staff Engin <br /> Ron Ileinzen, G.E. <br /> Senior Principal <br /> REL:ir <br /> Attachments <br /> • <br /> 16796.GOt/ST02k278 July 25,2002 <br /> 0 2002 Kleinfelder,Inc. Page 4 of 5 <br />