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• Percolation Test Procedure <br /> Live Oak conducted the percolation tests for the borings on October 6, 2016. Due to <br /> soil conditions observed, one-hour tests were selected. Water level measurements <br /> were taken every ten minutes during this one-hour period. The tests were observed by <br /> Michael Escotto, Senior Registered Environmental Health Specialist at the San Joaquin <br /> County Environmental Health Department. <br /> A wooden ruler was utilized for the water level measurements. The ruler was <br /> submerged to the bottom of the hole, then withdrawn; the wetted end of the ruler was <br /> measured. Measurements were recorded on the data sheet in decimal inches. When <br /> necessary after measuring the water level, the hole was refilled with water to a level of <br /> six inches or more above the bottom of the hole. <br /> Percolation Test Results <br /> The completed percolation test forms are included in Appendix 3 of this report. The <br /> forms were signed by Mr. Escotto and indicate the percolation rate for each hole based <br /> on the final 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 less than or equal to 60 minutes per inch (min/in) drop. A deep <br /> percolation test hole has a depth between 3.5 and 25 feet; a satisfactory percolation <br /> rate for a deep test is 30 min/in or less. For the Site to utilize a standard septic system, <br /> one percolation test (either shallow or deep) must demonstrate a satisfactory <br /> percolation rate within the proposed septic system disposal field. <br /> Details and results of the percolation tests are summarized in the following table. <br /> • <br /> LOGE 1621 Page 7 <br />