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but less than or equal to 30 min/in drop. For the Site to utilize a standard septic system, <br /> one percolation test hole (shallow or deep) must demonstrate a satisfactory percolation <br /> rate within the proposed septic system disposal field. <br /> Details and results of the percolation testing are summarized in the following table. <br /> Table 2. Percolation Test Summary <br /> Test No., Percolation Test Percolation Rate Test Duration Comments <br /> Date Tested Depth (ft.) (minutes/inch) (see notes) <br /> P1-S, Satisfactory perc. <br /> 4/23/2021 3.14 250 4 hr. <br /> Shallow Test rate <br /> P1-D, <br /> 4/23/2021 13.49 22.73 4 hr. Satisfactory perc. <br /> Deep Test rate <br /> Note: A satisfactory percolation rate for a "shallow"test is greater than 1 but less than or equal to 60 minutes per <br /> inch. A satisfactory percolation rate for a "deep" test is greater than 1 but less than or equal to 30 minutes <br /> per inch. <br /> Discussion of Percolation Test Results <br /> The soils within the proposed sewage disposal area of the Site have demonstrated a <br /> satisfactory percolation rate for the use of a standard septic system in accordance with <br /> the requirements of the San Joaquin County Environmental Health Department. This <br /> percolation test is considered representative of soils within a 100-foot radius of the test <br /> location. <br /> Discussion of Septic System Sizing <br /> Septic system construction utilizing leach lines with seepage pits should follow the San <br /> Joaquin County On-Site Wastewater Treatment Systems Standards (2017) where <br /> applicable. <br /> LOGE 2122 Page 7 <br />