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May 3, 1999 <br /> Dwain C Tosch <br /> Civil Engineer <br /> CEN 14644 <br /> 1229 Goldenoak Way <br /> Stockton, CA 95209 <br /> San Joaquin CotmW Local Health District <br /> Environmental Health Division <br /> Subject:Soil Suitability Study: (APN 255-230-20) <br /> Submitted for your review are the results of a Soil Suitability Study for the Ken <br /> Yasut Property located approximately 1/2[Wile west of the intersection Airport <br /> Way-Kesson Road on Durham Ferry Road. <br /> E gSeotie S30 tr s: <br /> There are no existing septic systems in the immediate vicinity. <br /> The existing property is in row crops except for the tot No. I which is in wild oats. <br /> percolation Tests; <br /> On April 14,15,16,18,19,20-1999 fourteen percolation tests and two soil profiles <br /> were performed by me in confonnance with the percolation tests procedures <br /> outlined in die"Manual Septic Tank Practice", published by the U.S. Department <br /> of Health, Education and Welfare and per requirements of the San Joaquin County <br /> Local Health District.The approximate locations of the test percolation holes and <br /> soil profiles are shown on doe accompany ng detail map. <br /> PROJECT DESCRIPTION: To subdivide a 292.3 acre(net)parcel into five 40.9 acre lots, a <br /> 41.0 acre lot and a 46.8 acre lot. <br /> Pgrg-0-ta-t-W-0_T Rosults: A shallow and a deep Percolation Test was performed on each lot <br /> Tabulated below are the percolation test results. <br /> 44ttN 1114HW Test Result Deep Test Result <br /> I Test Failed 30 minlinch <br /> 2 60 min/inch 24 minfinch <br /> 3 60 min/inch 30 min/inch <br /> 4 24 min/inch 30 mm/inch <br /> 5 Test failed 30 min/inch <br /> 6 40 min/inch 30 minlinch <br /> 7 60 min/inch 20 min/inch <br /> r _2_ <br />