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Francisco Garcia Ruiz, Registered Environmental Health Specialist at the San Joaquin <br />County Environmental Health Department. <br />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, the hole was refilled with water <br />to a level of approximately six inches above the bottom of the hole. <br />Mr. Smith conducted the percolation test for Parcel 2 on April 11, 2003. A four-hour test <br />was conducted. Michael Escotto, Registered Environmental Health Specialist at the <br />San Joaquin County Environmental Health Department, observed the last 30 minutes of <br />the test. <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. Garcia Ruiz and Mr. Escotto, and indicate percolation rates <br />for each hole based 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 18 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 42 inches <br />and 25 feet; a satisfactory percolation rate for a deep test is greater than or equal to 1 <br />minute per inch (min/in) but less than or equal to 30 min/in drop. For the Site to utilize a <br />standard septic system, one percolation test hole (shallow or deep) must demonstrate a <br />satisfactory percolation rate within the proposed septic system disposal field. <br />Details and results of the percolation testing are summarized in the following table. <br />LOGE 2150 Page 7 <br />