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6.7 Discussion of Any Potential Problems Predicted and/Or the Need for An Engineered or <br /> Alternative Septic System: In this area,the soils are classified as Guard Clay Loam, Ringe Muck, <br /> Ryde Clay Loam. Permeability in the Ringe Muck is rapid, in the Ryde Clay Loam it is moderately <br /> slow, and in the Guard Clay Loam it is slow. Due to these classifications, and the depth to groundwater, <br /> an engineered septic system is recommended. <br /> 6.8 Discussion of Percolation Rates in Relation to the Type, Size and Location of future <br /> leach fields at the site: Based on the soils profile, it is Dillon& Murphy's opinion that the proposed <br /> project is suited for a engineered sewage disposal systems. The system should be properly designed <br /> and installed according to the current San Joaquin County criteria for standard septic systems. <br /> It is our opinion that the installation of any new proposed septic system, if properly installed, should <br /> not adversely affect the quality of groundwater in the area. <br /> 7.0 CONCLUSION SECTION <br /> The conclusions of this report are based on the information provided regarding the proposed <br /> development, the use of the subject property, and the site conditions as they existed at the time we <br /> excavated our test hole and performed the percolation test. It was assumed that the test hole and <br /> percolation test results are representative of the subsurface conditions in the general area. <br /> Our services were performed, our findings obtained, and our conclusions proposed in accordance <br /> with generally accepted engineering principles and practices. This warranty is in lieu of all other <br /> warranties either expressed or implied. Test findings and statements of professional opinion do <br /> not constitute a guarantee or warranty, expressed or implied. <br /> Joe Murphy <br /> R.C.E. 45277 <br /> 4 <br /> YADMD0C\2011\1159\SSS DEC 2011 <br />