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11 <br /> 5.0 SOIL PROFILE INFORMATION SECTION: <br /> 5.1 Site map showing location, with dimensions, of the soil profile pit on the parcel: See <br /> Appendix. <br /> 5.2 Description of soil profile pit including depth and dimensions: The shallow test holes <br /> were prepared per County Standards. The holes were excavated to a depth of 42 inches and <br /> 8 inches in diameter. They were backfilled with 2 inches of"pea gravel." �52� <br /> f 5.3 Description of soil lithology as noted from test pit by appropriate professional using <br /> industry standard protocol: The soil in this area is classified as Vignola Silty Clay Loam as <br /> stated in the Soil Survey of San Joaquin County, California as provided by the United States <br /> Department of Agriculture, Soil Conservation Service. <br /> 5.4-Discussion of soil lithology as related to future onsite septic uses: The Cogna Loam have <br /> moderat pezrneability thus; percolation rates were 15 min./in. (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 <br /> ,MKmum Number of Shallow and Deep Percolation Tests was Performed for Each r <br /> Parce , Thre shallow percolation test holes were prepared, one on each proposed parcel. <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 holes were excavated to a depth of 42 inches and <br /> S inches in diameter and backfilled with 2 inches of"pea gravel' in accordance with County <br /> Standards. The shallow holes were prepared by Mark Wonderlich of Dillon &Murphy on 6,?3) <br /> + May 18, 2007 at 10:30 a.m. On May 21, 2007 at 7:30 a.m. the 24 hour presoak period was <br /> started. The holes were filled with 12 inches of water over the gravel and at this time. <br /> IJ <br /> 6.4 Description of the Date, Time and Condition of the Test Hole After the 24-Hour Soak <br /> Period (Hole Still Intact, Hole Dry,Depth to Water Remaining in Hole, Etc.): On <br /> May 22, 2007 at 8:00 a.m. the two shallow test holes were dry. Six inches of water was added to <br /> the holes and the holes were deemed suitable to continue. The shallow tests passed the minimum <br /> r <br /> County requirements. <br /> 6.5 The Test Conformed to San Joaquin County Policy EHD 02-02 (Correct Depth, <br /> diameter, 2" gravel, 6" Water Refill, Correct Readings Recorded): The percolation tests 4 5) <br /> conformed to San Joaquin County Policy EHD 02-02. <br /> 6.6 Complete Percolation Test Form (Including Readings) Was Provided With REHS <br /> i Verification Signature. The Rate Was Correctly Calculated Using the Last Reading: 4- <br /> See Appendix for Test Result Form. <br /> n 3 <br /> � i <br /> �� cA0747%Soil Suitability Study 0507 <br />