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October 23, 2009 Page 7 of 10 <br /> Our Project Number: LGS0090518 <br /> Test No., Percolation Percolation Test Comments <br /> Date Tested Test Rate Duration (see notes) <br /> Depth (feet) (minutes/inch) <br /> P-12 (shallow) 3.15 400 4-hr Satisfactory <br /> 08-12-09 . percolation rate <br /> P-13 (shallow) 3.18 8.10 4-hr Satisfactory <br /> 08-12-09 percolation rate <br /> P-14 (shallow) 3.38 27.80 4-hr Satisfactory <br /> 08-12-09 percolation rate <br /> P-15 (shallow) 3.25 11.90 4-hr Satisfactory <br /> 08-12-09 percolation rate <br /> P-16 (shallow) 3.28 10.40 4-hr Satisfactory <br /> 08-12-09 percolation rate <br /> P-17 (shallow) 3.30 3.70 4-hr Satisfactory <br /> 08-10-09 percolation rate <br /> P-18 (shallow) 3.15 12.50 4-hr Satisfactory <br /> 08-10-09 percolation rate <br /> P-19 (shallow) 3.20 14.70 4-hr Satisfactory <br /> 08-10-09 percolation rate <br /> P-20 (shallow) 3.25 2.94 4-hr Satisfactory <br /> 08-10-09 percolation rate <br /> P-21 (shallow) 3.05 41.70 4-hr Satisfactory <br /> 08-10-09 percolation rate <br /> P-22 (shallow) 3.20 41.70 4-hr Satisfactory <br /> 08-10-09 percolation rate <br /> P-23 (shallow) 3.25 5.70 4-hr Satisfactory <br /> 08-10-09 percolation rate <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 /> The soils within the sewage disposal areas of the site have demonstrated a satisfactory <br /> percolation rate in accordance with the requirements of the EHD for the use of a standard <br /> septic system. <br /> Septic system construction should follow the San Joaquin County On-Site Wastewater Disposal <br /> Standards where applicable. Due-tozhe depttrbf-�oandwater and Tapid-percolation Yate, we <br /> could recommend using a-modified filter bed design. for the development of-the property, we <br /> would propose some steps to be taken in order to minimize nitrate impacts to the ground <br /> water. The following steps are proposed to reduce the concentrations of nitrates in percolating <br /> septic system effluent: <br /> 044 <br /> 902 Industrial Way•Lodi,CA 95240-209.367.3701 -Fax 209,369.4228 02009 Neil O.Anderson&Associates,Inc <br />