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01 July 2016 <br /> AGE Project No. 15-3403 <br /> Page 8 of 12 <br /> 7.0. SOIL PROFILE <br /> On 17 June 2016, an On-site Wastewater Treatment System Permit was issued by the <br /> EHD (Appendix D) for the above referenced property. <br /> On 30 June 2016, a 4-inch hand auger was utilized to advance a percolation test hole to <br /> 48-inches bsg at the subject parcel. <br /> 7.1 . SITE MAP <br /> A plan of the specific site features (i.e., structures, drives, wells, septic systems, large <br /> trees, pastures, pools, natural drainage courses, ponds, waterways, etc.) is illustrated on <br /> Figure 2. <br /> 7.2. SOIL PROFILE PIT INCLUDING DEPTH AND DIMENSIONS <br /> The test hole was located in vicinity of the septic system infiltration lines, which will be <br /> utilized for the residence. The percolation test hole was advanced to a depth of 48-inches <br /> bsg. A site plan depicting proposed site features and location of test holes is included as <br /> Figure 2. <br /> 7.3. SOIL LITHOLOGY WITHIN TEST HOLE <br /> The soil was visually described in accordance with the Unified Soil Classification System <br /> by a representative of AGE under the supervision of a California Professional Geologist. <br /> 7.4. SOIL LITHOLOGY AS RELATED TO FUTURE ONSITE SEPTIC USES <br /> The soil sample collected from the boring consisted of soils ranging from gravel in the <br /> upper six inches, peat soil (highly organic clays/silts) to a depth of 24 inches bsg and then <br /> medium to fine sand to silt at the base of the soil section at 24 inches to 48 inches bsg. <br /> The soil type was considered permeable and with a quantity of coarse grained soil (sand) <br /> sufficient for liquid waste disposal and treatment. <br /> 8.0. PERCOLATION TEST INFORMATION <br /> A percolation soil suitability test was performed on the site under EHD permit No. <br /> SR0075070 on one four-inch diameter soil boring established to a depth of four feet bsg. <br /> Advanced GeoEnvivonmental,Inc. <br />