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April 24, 2006 <br /> NO A Project Number E05139B <br /> 6.7 Discussion of Percolation Test Results <br /> The soils within the sewage disposal areas of the site have demonstrated a satisfactory percoL don <br /> rate. The soils of these parcels appear to be suitable for the use of a standard septic system using <br /> leach limes and pits. <br /> 6.8 Discussion of Septic System Sizing <br /> Septic System Construction should follow the San Joaquin County On-Site Wastewater Dzrposai <br /> Standards where applicable. We would recommend the use of a standard septic system using.leach <br /> lines and pits. <br /> 7.0 CONCLUSIONS <br /> In summary, satisfactory percolation rates of the soil were achieved in the deep percolation test <br /> holes in the proposed septic disposal areas of the Site. The proposed Parcel appea�;s suitable for the <br /> use of a standard septic system utilizing leach lines and pig. <br /> No ground water was encountered in any of the borings drilled on the property.The depth to <br /> ground water was found to be approximately 70 to 80 feet below the ground surface for the period <br /> of Pall 1998 and Spring 1999. <br /> No ground water was encountered in any of the borings drilled on the property. The on-site water <br /> well was tested for nitrate and DBCP. DBCP was non-detectable,and nitrate concentration in <br /> ground water was found to be 15.5 mg/I�NO;,which is below the maximum contaminant druukmg <br /> water lim..t of 45 rng/L.NO3. <br /> NEIL O.ANDERSON 6 A SSOCTAI ES,TNC. <br /> Z C.0 <br /> Nanq Rosul ,B.J _- I9avid Welch,Principal Geologist <br /> Project Manager CEG-2151; CHG-653,PGP-1049 <br />