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• C. SITE MAPS <br /> The Site Maps (Appendix A, Map 3 & 4) show site buildings and the location of former <br /> tanks and the vault. <br /> D. UNDERGROUND UTILITIES <br /> The location of underground utilities at the site will be determined by Underground <br /> Service Alert and by a contracted line locator who will mark underground utilities at the <br /> site. <br /> III. PROPOSED METHODS FOR DETERMINING PRESENCE OF SOIL CONTAMINATION <br /> Presence of contamination will be determined by analysis of soil samples taken adjacent to the <br /> outside pipe trench. <br /> A. SAMPLING PROCEDURES <br /> The following subsections describe the soil sampling procedures that will be used at the <br /> site. <br /> 1. SOIL BORINGS TO DETERMINE IF CONTAMINATION IS PRESENT <br /> • The following subsection includes a site map, description of borings, and <br /> proposed soil sample analysis. <br /> a. SITE MAP FOR PROPOSED BORE HOLES <br /> Map 5, located in Appendix A, identifies the number and location of the <br /> proposed borings. Soil samples will be obtained from beneath the pipe <br /> trench in the waste water treatment area. <br /> b. DEPTH OF BORINGS AND ANALYSIS OF SOIL SAMPLES <br /> Four soil samples will be taken from two locations near the waste water <br /> pipe trench. Samples will be taken at one foot and five feet below the <br /> surface. Analysis includes 13 Priority Pollutant Metals, cyanide, and <br /> volatile organics (Table 2). <br /> is <br /> 4 <br /> ERICKSON, Inc. <br /> Specialized Service to Industry Since 1942 <br />