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Rausser Property Page 12 of 14 <br /> Our Project Number: E07121A <br /> August 8, 2007 <br /> Measurement of the water level during the percolation test was from a fixed reference <br /> point on the PVC casing using an electric well sounder with an depth accuracy of <br /> 1/100th foot. All tabulated values on the field data sheet (appendix) are in decimal <br /> feet. After water drop was observed, the holes were checked for refill. The refill level <br /> was approximately 0.5 ft (6 inches) of water above the bottom level of the percolation <br /> test hole. The readings were taken every 30 minutes for a period of four hours. <br /> 6.6 Percolation Test Forms and Results <br /> The completed percolation test forms are included in the appendix of this report. <br /> A shallow percolation test is defined by the EHD as being between 36 and 42 inches in <br /> depth; a satisfactory percolation rate for a shallow test is less than or equal to 60 <br /> minutes per inch drop. One percolation test must demonstrate a satisfactory <br /> percolation rate within the proposed septic system disposal field of each parcel to utilize <br /> a standard septic system. Details of the percolation tests are summarized in the table <br /> below. <br /> Table 3 <br /> Summary of Percolation Tests. <br /> Test No., Percolation Percolation Test Comment <br /> Date Tested Test Depth Rate Duration (see notes) <br /> (ft) (minutes/inch) <br /> P-1 shallow Satisfactory percolation <br /> 7-19-07 3.30 4-hr rate <br /> P-2 shallow 3.15 11 4-hr Satisfactory percolation <br /> 7-19-07 rate <br /> Note: A satisfactory percolation rate for a "shallow"test is less than or equal to 60 minutes per inch <br /> 6.7 Discussion of Percolation Test Results <br /> The soils within the sewage disposal areas of Parcel 1 and Parcel 2 have demonstrated <br /> a satisfactory percolation rate in accordance with the requirements of the EHD for the <br /> use of a standard septic system. <br /> 6.8 Discussion of Septic System Sizing <br /> Septic System construction should follow the San Joaquin County On-Site Wastewater <br /> Disposal Standards where applicable. <br /> ` 902 Industrial Way•Lodi,CA 95240•209.367.3701 •Fax 209.369.4228 02007 Neil O.Anderson&Associates,Inc. <br />