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5.4 Discussion of soil lithology as related to future onsite septic uses: The Cagna and Columbia <br /> fine Sandy Loam has moderate rapid permeability. (See Appendix). <br /> 6.0 PERCOLATION TEST INFORMATION SECTION <br /> 6.1 Site Map Showing the location,with concise and accurate dimensions of the percolation / \\ <br /> test holes on the parcel: See Appendix. <br />' 6.2 The Minimum Number of Shallow and Deep Percolation Tests <br /> was Performed for Each <br /> Parcel: One shallow percolation test hole was prepared. <br /> 6.3 Description of the Date, Time and Protocol Used to Prepare the Test Hole, Including <br /> Depth and Dimensions of Hole, Preparation of Hole, and Depth of Water Used to Presoak <br /> (Minimum 12 Inches): The shallow test hole was excavated to a depth of 42 inches and 8 inches <br /> in diameter and backfilled with 2 inches of"pea gravel" in accordance with County Standards. <br /> The shallow hole was prepared by Mike Toy of Dillon &Murphy on April 19, 2010 at 7:00 a.m. ~ <br />' On April 20, 2010 at 7:30 a.m. the 24 hour presoak period was started. The hole was filled with 12 <br /> inches of water over the gravel and at this time. <br /> 6.4 Description of the Date, Time and Condition of the Test Hole After the 24-Hour Soak <br /> F, Period (Hole Still Intact,Hole Dry,Depth to Water Remaining in Hole, Etc.): On �J <br /> April 21, 2010 at 7:30 a.m. the one shallow test hole was dry. Six inches of water was added C� <br /> to the hole and the hole was deemed suitable to continue. The shallow test passed the minimum County <br /> F, requirements. <br /> 6.5 The Test Conformed to San Joaquin County Policy EHD 02-02 (Correct Depth, diameter, 6,-,o <br /> 2" gravel, 6" Water Refill, Correct Readings Recorded): The percolation test conformed to <br /> San Joaquin County Policy EHD 02-02. <br /> 6.6 Complete Percolation Test Form (Including Readings) Was Provided With REHS <br /> Verification Signature. The Rate Was Correctly Calculated Using the Last Reading: <br /> See Appendix for Test Result Form. <br /> Shallow <br /> a <br /> F TEST HOLE PERCOLATION RATE <br /> 1 19 MIN./IN. <br /> F,� <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 Cogna and Columbia fine Sandy <br /> Loam. Due to this classifcation and percolation rates, a standard septic system similar to the ones <br /> found on other homesites would be recommended. <br /> 3 <br /> FY:OMDOCI10251Soil Suitability Report April,2010 <br />