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• Percolation Test Results <br /> The completed percolation test form is included in Appendix 2 of this report. The form <br /> was signed by Mr. Wong and indicates a percolation rate for the hole based on the final <br /> water drop observed. <br /> Per San Joaquin County Environmental Health Department's definition, a shallow <br /> percolation test hole has a depth between 36 and 42 inches; a satisfactory percolation <br /> rate for a shallow test is greater than or equal to 1 minute per inch (min/in) but less than <br /> or equal to 60 min/in drop. For the Site to utilize a standard septic system, one <br /> percolation test must demonstrate a satisfactory percolation rate within the proposed <br /> 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, <br /> 3/28/2018 3.38 10 4 hr. Satisfactory perc. <br /> Shallow Test rate <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 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. <br /> Discussion of Septic System Sizing <br /> Septic system construction utilizing leach lines and seepage pits should follow the San <br /> Joaquin County On-Site Wastewater Treatment Systems Standards (2017) where <br /> applicable. <br /> • LOGE 1820 Page 7 <br />