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L <br /> ` January 26,2006 <br /> NOA Project Number: E05091B <br /> Table 5. <br /> Summary of Percolation Tests. <br /> Test No., Percolation Percolation Rate Test Comment <br /> Test Depth(ft) Duration <br /> Date Tested (minutes/inch) (see notes) <br /> P-1(shallow) <br /> 3.18 7.58 4-hr. Satisfactory percolation rate <br /> U-7-05 <br /> Note: A satisfactory percolation rate for a"shallow"test is less than or equal to 60 minutes per inch. <br /> A satisfactory percolation rate for a"deep"test is less than or equal to 30 minutes per inch. <br /> L <br /> j/6.7 Discussion of Percolation Test Results <br /> L <br /> The soils within the sewage disposal area of the site have demonstrated a satisfactory percolation <br /> rate in accordance with the requirements of the EHD for the use of a standard septic system. <br /> ` <br /> 4--'6.8 Discussion of Septic System Sizing <br /> Septic system construction should follow the San Joaquin County On-Site Wastewater Disposal <br /> ` Standards where applicable. Due to the potential shallow depth to groundwater,we would <br /> recommend the use of sumps rather than seepage pits. <br /> 7.0 CONCLUSIONS <br /> In summary, satisfactory percolation rates of the soil were achieved in the proposed septic disposal <br /> .. areas of the lot. The soils of the proposed lot appear suitable for a standard septic system utilizing <br /> leach lines and seepage pits. <br /> V <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 30 to 40 feet below the ground surface for the period <br /> of Fall 1998 and Spring 1999 based on the San Joaquin County Ground Water Maps. <br /> The water well on the subject property was tested for nitrate and CP.'DBCP was not detected in <br />