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LOGE 2350: Sterni Percolation Test 2 May 8, 2024 Percolation Test Procedure Live Oak conducted the percolation test for the goring on May 7, 2024. Percolation test procedures conformed to San Joaquin County Environmental Health Department policy. Due to the soil type present, a standard four-hour test was selected. Water level measurements were taken every 30 minutes during this four-hour period. Aaron Gooderham, Registered Environmental Health Specialist at the San Joaquin County Environmental Health Department, observed the final 30 minutes of the percolation test. An electronic well sounder with a depth accuracy of 11100`h foot was utilized for the water level measurements. The water level was measured against a fixed reference point on the well casing. Measurements were recorded on the data sheet in decimal feet. When necessary after measuring the water level, the hole was refilled with water to a level of approximately six inches above the bottom of the hole. Percolation Test Results The completed percolation test form is attached to this letter. The form was signed by Mr. Gooderham and indicates a percolation rate for the hole based on the final water drop observed. Per San Joaquin County Environmental Health Department's definition, a shallow percolation test hole has a depth between 1 .5 and 3.5 feet; a satisfactory percolation rate for a shallow test Is greater than 1 minute per inch (min/in) but less than or equal to 60 min/in drop. Details and results of the {percolation test are summarized in the following table. Table 1. Percolation Test Summary Test No., Percolation Percolation Test Duration Comments Date Tested Test Rate (see note) Depth (ft.) (minutes/inch) P1 Satisfactory 517124 1 .91 6.58 4 hr. Shallow Test perc. rate Note: A satisfactory percolation rate for a"shallow"test is greater than 1 minlin but less than or equal to 60 minlin. The soils on the Site have demonstrated a satisfactory percolation rate for the use of a standard septic system in accordance with the requirements of the San Joaquin County Environmental Health Department. This percolation test is considered representative of soils within an approximate 100-foot radius of the test location.