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L <br /> LFebruary 3, 2005 <br /> NOA Project Number: E040143A <br /> L6.8 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 7.0 CONCLUSIONS <br /> In summary, satisfactory percolation rates of the soil were achieved in the proposed septic disposal <br /> Lareas of two of the three parcels. The proposed Parcels 1,2, 3 and 4 appear suitable for a standard <br /> septic 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 38.9 mg/L-NO3,which is below the maximum contaminant drinking <br /> water limit of 45 mg/L-NO3. <br /> 8.0 LIMITATIONS <br /> The conclusions of this report are based on the information provided regarding the existing and <br /> Lproposed 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 /> holes and percolation test results are representative of the subsurface conditions in the general area. <br /> LOur professional services were performed, our findings obtained, and our conclusions proposed in <br /> 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 /> Lopinion do not constitute a guarantee or warranty,expressed or implied. <br /> NEIL.O.ANDERSON&ASSOC.,INC. <br /> t�RE� C'EO <br /> L <br /> pP No. 2151 <br /> CERTIFIED e <br /> Rebecca askett,B.S. avid J. Welch, M.Sc. a ENGINEERING <br /> Project Manager CEG-2151,CHG-653, GP-1049 P> GEOLOGIST g <br /> Environmental Division Manager O <br /> 6. <br /> V <br /> L <br /> 11 <br /> L <br /> L <br />