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An electronic well sounder with a depth accuracy of 1/100th foot was utilized for the <br /> water level measurements. The water level was measured against a fixed reference <br /> point on the well casing. Measurements were recorded on the data sheet in decimal <br /> feet. When necessary after measuring the water level, each hole was refilled with water <br /> to a level of approximately six inches above the bottom of the hole. <br /> Percolation Test Results <br /> The completed percolation test form is included in Appendix 3 of this report. The forms <br /> were signed by Ms. Afonskaia or Mr. Gooderham and indicate a percolation rate for <br /> each hole based on the least 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. A deep percolation test hole has a depth between 3.5 and <br /> 25 feet; a satisfactory percolation rate for a deep test is greater than or equal to 1 min/in <br /> but less than or equal to 30 min/in drop. For the Site to utilize a standard septic system, <br /> one percolation test (shallow or deep) must demonstrate a satisfactory percolation rate <br /> within the proposed septic system disposal field. <br /> Details and results of the percolation testing are summarized in the following table. <br /> LOGE 20-54 Page 6 <br />