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L <br /> LApril 13,2006 <br /> NOA Project Number. E05130B <br /> L <br /> 6.8 Discussion of Septic System Sizing <br /> Septic System Construction should follow the San Joaquin County On-Site Wastewater Disposal / <br /> Standards where applicable. <br /> L <br /> 7.0 CONCLUSIONS <br /> L <br /> In summary, satisfactory percolation rates of the soil were achieved in the proposed septic disposal <br /> L areas of the Site. The project appears to be suitable for development utilizing a standard septic <br /> system. <br /> LNo ground water was encountered in any of the borings drilled on the property. The on-site water <br /> well was tested for nitrate and DBCP. DBCP was non-detectable,and nitrate concentration in <br /> ground water was found to be 31.8 mg/L-NO3,which is below the maximum contaminant drinking <br /> water limit of 45 mg/L-NO3. <br /> L8.0 LIMITATIONS <br /> ` The conclusions of this report are based on the information provided regarding the existing and <br /> Y• proposed development, the use of the subject property,and the site conditions as they existed at the <br /> time we excavated our test holes and performed the percolation tests. It was assumed that the test <br /> Lholes and percolation test results are representative of the subsurface conditions in the general area. <br /> Our professional services were performed, our findings obtained, and our conclusions proposed in <br /> L accordance with generally accepted engineering principles and practices. This warranty is in lieu of <br /> all other warranties either expressed or implied. Test findings and statements of professional <br /> opinion do not constitute a guarantee or warranty, expressed or implied. <br /> LNEIL O.ANDERSON&ASSOCIATES,INC. <br /> L %AL GF�� <br /> s h y DAVID J.WELCH `sem <br /> jH N0.2151 <br /> L N cy RosAleZ B.A. David J. Welch,Principal Geologis * CERTIFIED <br /> ENGINEERING <br /> Project Manager CEG-2151,CHG-653, GP-1049 GEOWGrT Q <br /> LATFOF CAU; <br /> 11 <br /> L <br /> L <br />