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• 16 May 2001 AGE-NC Project No 98-0511 Page 2of5 Complete background information and details ofprevious investigations at the site is included in the report titled Interim Secondary Source Removal and Monitoring Well Replacement,dated 05 October 1995 and various quarterly reports prepared by AGE and WHF, Inc 3.0. SCOPE OF WORK The scope of work will include the advancement of five soil probe borings to a depth of approximately 50 feet bsg Soil and ground water samples will be collected from each probe boring Assessment activities will included the following tasks • Permitting and pre-field work activities, • Soil sample collection and analysis, • Ground water sample collection and analysis, • Calculation of the remaining Hydrocarbons mass in soil and modeling of the transport fate of the ground water plume, and • Report preparation 3 1 PERMITTING AND PRE-FIELD WORK ACTIVITIES Applicable site assessment permits will be obtained from the PHS-EHD Prior to mobilization,each proposed soil probe boring location will be clearly marked and a utility clearance obtained through Underground Service Alert As required by PHS-EHD permitting, a health and safety plan is already on file in accordance with Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities (National Institute for Occupational Safety and Health Administration, U S Coast Guard and U S Environmental Protection Agency, 1985) 32 SOIL SAMPLE COLLECTION AND ANALYSIS AGE proposes to advance five soil probe bonngs, one at the former UST location, three to the northwest and north-northwest and one to the east-northeast of the former UST location to assess the lateral and vertical extent of petroleum hydrocarbon impaction, including MTBE, at the site Proposed probe boring locations are illustrated in Figure 2 Advanced GeoEnviranmental,Inc