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01 October 2019 AdvancedGeo AGE Project No. 19-4850 Environmental Page 6 of 14 I (Nutrien AG Solutions-CPS) is located at 1905 North Broadway Avenue, approximately 2,200 feet north and down-gradient of the subject property. Based on the status of the LUSTs and their distance and direction from the subject property, the LUSTs should not impact the subject property. The review did not reveal any other sites of environmental concern within a half-mile radius of the site. 4.3. ON-SITE EXISTING WELL DESCRIPTION There are no water wells on the property. The existing potable water service is provided by the California Water Service Company. 4.4. CONSTITUENTS BEING TESTED FOR IN THE WATER SAMPLE The potable water supply to the subject property was not tested because water is provided to the site by the California Water Service Company. 5.0. SOIL PROFILE An OWTS Permit was issued for the property by the EHD on 06 September 2019 to perform a percolation test (Appendix C). On 17 September 2019, a 4-inch diameter hand auger was utilized to advance a percolation test hole to 42 inches bsg, approximately 35 to 40 feet south of the existing septic system disposal field area. A plan of the specific site features including the percolation test hole location (i.e., structures, drives, wells, septic systems, large trees, pastures, pools, natural drainage courses, ponds, waterways, etc.) is illustrated in Figure 2. 5.1. SOIL PROFILE PIT INCLUDING DEPTH AND DIMENSIONS The percolation test hole was located approximately 35 to 40 feet from the disposal field area of the existing septic system. The percolation test hole was advanced to a depth of 42 inches bsg using a four-inch diameter hand auger (Figure 2). 5.2. SOIL LITHOLOGY AS RELATED TO FUTURE ONSITE SEPTIC USES The soil was visually described in accordance with the Unified Soil Classification System by a representative of AGE under the supervision of a California Professional Geologist. The soil collected from the percolation test hole boring consisted of dry, clayey fine- grained sand/sandy clay from surface grade to total depth. The soil type is considered semi-permeable and sufficient for liquid waste disposal and treatment.