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6.6 Complete Percolation Test Form (Including Readings) Was Provided With REHS Verification <br /> Signature. The Rate Was Correctly Calculated Using the Last Reading: <br /> See Appendix for Test Result Form. <br /> Shallow <br /> TEST HOLE PERCOLATION RATE <br /> 1 (Parcel 6) 24 MIN./IN. <br /> 2 (Parcel 4) 9 MIN./IN. <br /> 3 (Parcel 5) 24 MIN./IN. <br /> 4 (Parcel 3) 12 MIN./IN. <br /> 1(2002)(Parcel 2) 30 MIN/IN. <br /> 2(2002)(Parcel 1) 34 MIN./IN. <br /> *See Results in Appendix. <br /> ` 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 Archerdale clay loam. Due to this <br /> classification and percolation rates, a standard septic system similar to those found on surrounding <br /> ` parcels would be recommended on all parcels. <br /> _ 6.8 Discussion of Percolation Rates in Relation to the Type, Size and Location of future leach fields / <br /> at the site: Based on the results of the percolation rates and the soils profile, it is <br /> Dillon &Murphy's opinion that the subject proposed parcels are suited for a typical on-site sewage <br /> _ disposal systems. These systems should be properly designed and installed according to the current San <br /> Joaquin County criteria for standard septic systems. <br /> Based on the depth to groundwater in the area, and the size of the proposed parcels, it is our opinion that <br /> the installation of any new proposed septic system, if properly installed, should not adversely affect the <br /> quality of groundwater in the area. <br /> — <br /> 4 <br /> cA0578\Soil Report <br />