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2.0 SITE INFORMATION <br /> 2.1 Site Description <br /> An underground diesel tank(approximately 500-gallons capacity) occurs adjacent to a(FM) radio <br /> tower and transmitter building, atop Black Butte. The facility is accessed via an unpaved road, <br /> through a locked gate, from Corral Hollow Road. The facility occurs on ranch (cattle grazing) <br /> land. Steep hill slopes occur on the flanks of Black Butte. <br /> 2.2 Site Map(s) <br /> See Attachment 1 for site maps and general directions to the site. <br /> 23 Background Information <br /> Soil borings will be sampled to collect analytical data for defensive purposes associated with <br /> owner's activities in seeking a loan. contamination is not anticipated. <br /> Initial Site Ep=: <br /> McLaren/Hart inspected the site on July 13, 1992 to determine the location of the tank, to <br /> perform a utility clearance and to locate proposed soil borings. <br /> Information Obtained: <br /> No underground utilities should occur in the vicinity of the proposed soil borings (Except those <br /> associated with the underground storage tank). The station broadcasts at 50,000 Watts. <br /> 2.4 Description of Operable Units (OUs) <br /> The operable unit concept is useful for co-located facilities that have different contaminants, <br /> large sites, and sites having complex contamination from multiple sources. For remedial <br /> investigation and risk assessment purposes, it may be useful to divide a site into operable units <br /> based upon consideration of: <br /> • the location of high priority stations, <br /> • the chemicals of concern, <br /> • the potential environmental transport pathways, and <br /> • the potential future uses of the land. <br /> 6 <br />