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' 28 August 2000 ' AGE-NC Project No 97-0249 Page 3 of 10 ' 3.0. SCOPE OF WORK Based on the results of the previous investigations and UST removal activities, ground water at the ' site has been impacted The lateral and vertical extent of impacted ground water must be determined prior to the initiation of remediation The assessment activities will consist of the following tasks • Permitting and pre-field work activities, • CPT soil boring advancement, ' • Grab ground water sample collection and analysis, • Monitoring well installation and development, ' • Ground water sample collection and analysis, • Report preparation I • 3 1 PERMITTING AND PRE-FIELD WORK ACTIVITIES Applicable site assessment permits will be obtained from the PHS-EHD In addition, an update to the health and safety plan presently on-file will be prepared in accordance with Occupational Safety and Health Guidance Manual for Hazardous Waste Sate Activities (National Institute for Occupational Safety and Health Administration, U S Coast Guard and U S Environmental Protection Agency, 1985) Prior to mobilization, the monitoring well location will be clearly marked and an utility clearance obtained through Underground Service Alert 3 2 CPT DRILLING AND GRAB GROUND WATER SAMPLE COLLECTION rAGE proposes to drill three CPT soil borings at the site to define the vertical extent of hydrocarbon- impacted ground water Proposed CPT soil boring locations are illustrated in Figure 2 Based on TPH-d and MTBE contamination encountered during the previous investigation, AGE proposes CPT soil bonngs in the following locations a Between 20 to 30 feet southeast of monitoring well MW-3, • Between 220 to 230 feet southeast of monitoring well MW-3, and • Between 205 to 215 feet south of monitoring well MW-3 • Advanced GeaEavironmental,Inc