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12 March 1999 <br /> AGE-NC Project No. 98-0432 <br /> Page 3 of 6 <br /> modified by changing recharge and discharge patterns. Ground water is considered to be beneficial <br /> use and is used for domestic, industrial and commercial purposes. <br /> 3.0. SCOPE OF WORK <br /> Based on the results of the UST removal sampling and over excavation sampling, the PHS-EHD has <br /> directed a work plan to evaluate the vertical and lateral extent of petroleum hydrocarbon impacts at <br /> the site. <br /> The investigation of the extent of petroleum hydrocarbons at the site will consist of the following <br /> tasks: <br /> • Permitting and pre-field work activities; <br /> • Soil sample collection and analysis; <br /> • Possible ground water sample collection and analysis; <br /> • Report preparation. <br /> Each of these tasks is described in more detail below. <br /> 3.1. PERMITTING AND PRE-FIELD NVORK ACTIVITIES <br /> Applicable site assessment permits will be obtained from the PHS-EHD. As required by PHS-EHD <br /> permitting, a health and safety plan will be prepared in accordance with Occupatiojlal Safety aj7d <br /> Health Guidance 1Vanual far Hazardous [Vaste Site Activities (National Institute for Occupational <br /> Safety and Health Administration, U.S. Coast Guard and U.S. Environmental Protection Agency, <br /> 1985). Prior to mobilization, each soil probe location will be clearly marked and an utility clearance <br /> obtained through Underground Service Alert. <br /> 3.2. SOIL SAMPLE COLLECTION AND ANALYSIS <br /> Initially, AGE proposes to advance six probe borings on the site; three in the vicinity of the former <br /> waste oil UST to evaluate the lateral and vertical extent of petroleum hydrocarbon impacts to soil, <br /> one soil boring in the former dispenser area and two at the northwest corner of the site to evaluate <br /> former USTs removed in the 1970's. Proposed probe boring locations are illustrated in Figure 2. <br />