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• Details and results of the percolation testing are summarized in the following table: <br /> Table 3. Percolation Test Summary <br /> Test No., Percolation Test Percolation Rate Test Duration Comments <br /> Date Tested Depth (ft.) (minutes/inch) (see notes) <br /> P1, Satisfactory perc. <br /> 5/10/2017 3.48 4.46 4 hr. <br /> Shallow Test rate <br /> P2, Satisfactory perc. <br /> 5/10/2017 3.20 25.0 4 hr. rate <br /> Shallow Test <br /> Note: A satisfactory percolation rate for a "shallow'test is less than or equal to 60 minutes per inch. <br /> Discussion of Percolation Test Results <br /> The soils within the sewage disposal areas of the Site have demonstrated satisfactory <br /> percolation rates for the use of standard septic systems in accordance with the <br /> requirements of the San Joaquin County Environmental Health Department. <br /> Discussion of Septic System Sizing <br /> Septic system construction utilizing leach lines, leach lines and sumps, or a filter bed <br /> • should follow the San Joaquin County On-Site Wastewater Disposal Standards (2016) <br /> where applicable. Based on the rapid percolation rate identified at location P1, a septic <br /> system installed in that area will require a 20-foot separation from the bottom of the <br /> dispersal system to ground water; this requirement may limit the use of sumps in that <br /> area. <br /> • LOGE 1714 Page 12 <br />