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22 February 2000 <br /> AGE-NC Project No. 98-0481 <br /> Page 3 of 7 <br /> 4.0. SCOPE OF WORK <br /> Based on the results of the previous Phase H assessment and the UST-removal sampling, petroleum <br /> hydrocarbon-impacted soil at the site appears to be limited to the area of the former fuel dispenser <br /> island, product piping, and former waste oil UST. Therefore, no additional assessment activities are <br /> proposed for the former location of the three fuel USTs. <br /> As presented in Section 3.0, the investigation of the former east fuel dispenser area has been <br /> completed as proposed in the Preliminary Site Assessment Work Plan. The remainder of the site <br /> assessment activities include the investigation of the area formerly containing the west fuel <br /> dispenser, the waste oil UST, and the recent product piping rupture. The investigation of the extent <br /> of petroleum hydrocarbons at the site will consist of the following tasks: <br /> • Permitting and pre-field work activities; <br /> • Soil sample collection and analysis; <br /> • Ground water sample collection (if encountered) and analysis; and <br /> • Report preparation. <br /> Each of these tasks is described in more detail below. <br /> 4.1. PERMITTING AND PRE-FIELD WORK 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 Occupational Safety and <br /> Health Guidance Manual for Hazardous Waste 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 a utility clearance <br /> obtained through Underground Service Alert, <br /> 4.2. SOIL SAMPLE COLLECTION AND ANALYSIS <br /> Initially, AGE proposes to advance one soil boring in the vicinity of the former west fuel dispenser, <br /> former waste oil UST, and product piping rupture to evaluate the lateral and vertical extent of the <br /> Petroleum hydrocarbon-impacted soil. Only one soil boring is proposed since the area containing the <br /> noted features is only approximately ten feet in diameter (Figure 3). Based on the relatively low <br /> • concentrations of petroleum hydrocarbons reported in the UST removal soil samples and the <br /> Advanced GeoEnviron mental,Inc. <br />