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• 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 1 minute per inch (min/in) drop but less than or <br /> equal to 60 min/in drop. A deep percolation test hole has a depth greater than 3.5 up to <br /> 25 feet; a satisfactory percolation rate for a deep test is greater than 1 min/in drop but <br /> less than or equal to 30 min/in. For the Site to utilize a standard septic system, one <br /> percolation test (either a shallow or deep test) 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 /> Table 2. Percolation Test Summary <br /> Test No., Percolation Percolation Test Duration Comments <br /> Date Tested Test Rate (see notes) <br /> Depth (ft.) (minutes/inch) <br /> P1-S — <br /> 6-22-18 3.15 --- 4 hr. No movement, <br /> Shallow Test failed* <br /> P1-D <br /> 6-22-18 6.13 4.2 4 hr. Satisfactory <br /> Deep Test perc. rate <br /> P2-S Satisfactory <br /> 6-22-18 3.05 5.2 4 hr. perc. rate <br /> Shallow Test <br /> P3-S <br /> 6-22-18 3.21 5.2 4 hr. Satisfactory <br /> Shallow Test perc. rate <br /> P4-S Satisfactory <br /> 6-22-18 3.48 25 4 hr. perc. rate <br /> Shallow Test <br /> Note: A satisfactory percolation rate for a"shallow"test is greater than 1 min/in but less than or equal to 60 minutes <br /> per inch. A satisfactory percolation rate for a"deep"test is greater than 1 min/in but less than or equal to 30 minutes <br /> per inch. <br /> *Only one test(shallow or deep)is required to pass per parcel for that parcel to utilize a standard septic system. <br /> • <br /> LOGE 1834 Page 7 <br />