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Soil Suitability Study----APN: 209-310-30----PA-30-315----Parcels 1 &2, 2& 38 Acres Respectively <br /> Clay Loam, Clay <br /> The properties of the soil to be encountered at various depths below the ground <br /> surface are as follows: <br /> Depth Liquid PlasticiV Permeabili Densi <br /> ' In Inches Limit Index %_ ClayI�n/I-_Ir) Shrink Swell cc <br /> ' EEabert <br /> 0" to 8" 35 —50 15 -20 35-40 0.2-0.6 Moderate 1.30-1.40 <br /> 8" to 19" 40-60 20-35 35 - 50 .06-0.2 High _ 1.30-4.40 <br /> 19"to 60" 40-60 ----- 35 -50 .06-0.2 High 1.30-1.40 <br /> Dello '! <br /> 0" to 1'Q" ----- N.P. 0 - 10 < .06 Low 1.60-1.70 <br /> 10"to 60" ----- N.P. 0 - 7 < .06 Low 1.60-1.70 <br /> Willow <br /> 0" to 20h" 50-70 30-45 40-60 6.0-2.0 High 1.40-1.55 <br /> 20"to 6&' 50 -70 30 - 45 40 -60 6.0-2.0 High 1.40-1.50 <br /> Septic S��stems Records Study: The San Joaquin County Environmental Health <br /> Department septic permit records were studied involving five(5) initial septic system <br /> installations and one (1) addition to a septic installation. A summary of these six(6) <br /> S installations is contained in the attached San Joaquin County Environmental Department <br /> ' Septic Records Study Table. <br /> 7.0 Percolation Test Preparation Protocol: On March 15, 2004 an eight(8)inch <br /> diameterp Soil Profile Hole was excavated on Parcel 2 at the location shown on the <br /> attached Percolation Test Hole Location Map and water was encountered at six(6) feet <br /> below the ground surface. <br /> On March 16, 2004 one (1), eight(8) inch diameter,Percolation Test Hole was <br /> excavated on each of the Parcels 1 & 2 to a maximum depth of thirty-eight (3 8)inches. <br /> The sidew' alis of these test holes were scored, loose material removed and two (2) <br /> inches of rock were added on the same day. <br /> �M <br /> The Soil Profile Hole and Percolation Test Holes were excavated on bright <br /> sunshiny)days shortly before the irrigation season began in the Tracy area. <br /> The Percolation Test Holes were presoaked on March 17,2004 by the addition of <br /> at least twelve (12) inches of water over the rock a day before the percolation rates were <br /> determined. <br /> M <br /> The type`and condition of the soils encountered in the Soil Profile and Percolation Test <br /> Holes is contained on the attached Percolation Details sheet.-The Percolation Test Holes <br /> were covered during the overnight soaking process to prevent anyone or animal from <br /> falling into the hole and hurting themselves. <br /> RPI1P R CnArP.S 16147 WPat RPthanvRoad Trary CA WMA Phnnv.• imQi RiS-Rmn 4 <br />