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15 April 2009 <br /> AGE-NC-09-1683 <br /> Page 12 of 18 <br /> 6.7. POTENTIAL PROBLEMS PREDICTED <br /> On site soils within the shallow percolation test range demonstrated adequate percolation rates. <br /> Additionally, the existing septic system has been properly operating. The proposed septic system } <br /> should be sufficient to provide for expected winery-associated operations. <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 /> 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 /> C'l) See Section 4.0.for a discussion of the chemical and physical properties of the site soil type Tokay. <br /> f <br /> 7.2. MASS TRANSPORT PROPERTIES OF UNDERLYING SITE SOILS <br /> This verydee well-drained rich soil has a high available water-holding capacity.The natural fertility <br /> of this soil lends it very well to sustainable farming practices. Permeability is moderately rapid, <br /> available water capacity is high and the shrink-swell potential is low. <br /> 8.0. GROUND WATER ANALYSIS <br /> The domestic groundwater well was sampled on 31 March 2009 for the constituents listed in Section <br /> 4.4. <br /> 8.1. DESCRIPTION OF LOCAL GROUND WATER <br /> Advanced GeoEnvironmenkal,Inc. <br />