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22 April 2009 <br /> AGE-NC-09-1683 <br /> Page 12 of 19 <br /> 6.8. PERCOLATION TEST FINDINGS <br /> The shallow percolation test performed provided a satisfactory percolation test rate.The percolation <br /> rate'of 50 minutes per inch was calculated from data collected during the 4-hour percolation test. <br /> Installation of the proposed septic system should follow the San Joaquin County On-site Wastewater <br /> Disposal Standards. <br /> i <br /> 7.0 CHEMICAL AND PHYSICAL PROPERTIES OF SOIL <br /> Soil 'chemical properties were supplied by regionally sourced material for the surrounding area. <br /> 7.1. CHEMICAL AND PHYSICAL PROPERTIES OF SITE SOILS <br /> See Section 4.0.for a discussion of the chemical and physical properties of the site soil type Tokay. <br /> E <br /> 7.2. MASS TRANSPORT PROPERTIES OF UNDERLYING SITE SOILS <br /> Thisj vety deep well-drained rich soil has a high available water-holding capacity. The natural <br /> fertility of this soil lends it very well to sustainable farming practices. Permeability is moderately <br /> rapid, available water capacity is high and the shrink-swell potential is low. <br /> 8.0. GROUNDWATER ANALYSIS <br /> The domestic ground water well was sampled on 31 March 2009 for the constituents Iisted in <br /> Section 4.4. <br /> 8.1. DESCRIPTION OF LOCAL GROUND WATER <br /> See Section 4.1. for a description of local ground water. <br /> 8.2. EXISTING OR POTENTIAL GROUNDWATER CONTAMINATION <br /> See Section 4.2. for a discussion of ground water contamination in the area of the site. <br /> i <br /> Advancrd GeoEnvironmental,Inc. <br />