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173 <br /> Phase I Environmental Site Assessment <br /> 5824 Morrow Mill Road <br /> Chapel Hill, North Carolina s <br /> S&ME Project No. 22580189 111 E <br /> The information included in the report S&ME reviewed for the Mike's Corner Store (the absence of target <br /> compounds in the MW-6 and water supply well SW-9 (located on the northern adjoining property) suggests that <br /> the Kirby's American Station Property site had not impacted groundwater at the subject property at the time of <br /> sampling on January 15, 2021, and March 3, 2020, respectively. The Kirby's American Station property is located in <br /> a similar topographic position as Mike's Corner Store in relation to the subject property. Therefore, based on the <br /> information included in the Mike's Corner Store report, Kirby's American Station Property site does not pose a risk <br /> to soil or groundwater at the subject property. <br /> 4.2 Additional Environmental Record Sources <br /> 4.2.1 EDR Supplementary Sources <br /> The EDR report also includes additional environmental records not listed among the standard federal, state and <br /> tribal databases, such as historical auto stations, historical dry cleaners and manufactured gas plants. No <br /> supplementary records were identified in the EDR report within the search criteria for the respective databases. <br /> 4.2.2 Tribal Record Sources <br /> The EDR Radius Map Report with GeoCheck did not reveal listings of tribal environmental records. <br /> 4.2.3 Other Record Sources <br /> No additional records were reviewed during this Phase I ESA. <br /> 4.3 Physical Setting Sources <br /> Physical setting sources were reviewed to provide information about the geology and hydrogeology of the area of <br /> the subject property. <br /> Surface Drainage and Soil <br /> Based upon a review of the topographic map, it appears that the subject property slopes towards north, east and <br /> west (see Figure 1, USGS Topographic Map, Appendix 1). The subject property has an estimated surface <br /> elevation of approximately 575 feet above mean sea level. During the site reconnaissance it was observed that <br /> subject property is generally level with a hill in the center of the subject property that slopes in all directions. A <br /> small pond is located on the site in the central portion. <br /> Information regarding the subsurface soils at the subject property was obtained from the USDS Soil Survey <br /> website (www.websoilsurvey.sc.egov.usda.gov). The majority of the subject property is mapped as Georgeville silt <br /> loam, 2 to 6 percent slopes (GeB) and 6 to 10 percent slopes (GeQ. Georgeville silt loam is characterized as a well- <br /> drained soil. Depth to water and bedrock is typically greater than 80 inches. <br /> August 25, 2022 8 <br />