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28 April 2005 <br /> AGE-NC Project No 97-0351 <br /> Page 4 of 11 <br /> and indicated direction of ground water flow to be generally toward the northeast(Figure 4) <br /> Results of soil and grab ground water samples from the site investigations are summarized in <br /> Tables 1,2,3,and 4 Maps depicting the estimated distribution of dissolved and adsorbed petroleum <br /> hydrocarbons are illustrated on Figures 3 and 4, respectively <br /> At the present time, the vertical extent and western lateral extent of dissolved petroleum <br /> hydrocarbons are not defined at the western UST location,in addition,monitoring wells are required <br /> in the vicinity of the eastern UST location to adequately assess ground water conditions at that <br /> location <br /> r <br /> 3.0. SCOPE OF WORK <br /> The scope of work includes the advancement of eight additional soil probe borings for the collection <br /> of soil and/or ground water samples and the installation of three additional ground water monitoring <br /> wells The scope of work will include the following tasks <br /> • Permitting and pre-field work activities, <br /> • Soil and grab ground water sample collection, <br /> • Pilot drilling and soil sample collection, <br /> • Monitoring well installation and development, <br /> • Laboratory analysis of samples, and <br /> • Preparation of a report of findings <br /> 3 1 PERMITTING AND PRE-FIELD WORK ACTIVITIES <br /> Applicable site assessment boring permits will be obtained from the EHD for all on-site boring <br /> locations An update to the health and safety plan presently on-file will be prepared in accordance <br /> with Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities <br /> (National Institute for Occupational Safety and Health Administration,U S Coast Guard and U S <br /> Environmental Protection Agency, 1985) Prior to mobilization,the area of excavation will be clearly <br /> marked and a utility clearance obtained through Underground Service Alert <br /> 0 <br /> Advanced GeoEnvironmenW,Joe <br />