ARCHIVED REPORTS_XR0003251 - Laserfiche WebLink

Home Browse Search

31 July 2000 AGE-NC Project No. 98-0468 Page-5 of 11 3:0. SCOPE OF WORK Based-on the results of the previous investigations and UST removal activities, the extent of petroleum hydrocarbon impacts to soil and ground water has not been delineated. The investigation of the extent.of petroleum hydrocarbons at the site will consist of the following tasks: • Permitting and pre-field work activities; . • Soil sample collection and analysis; • Monitoring well installation and development; • Ground water sample collection and analysis; and • Report preparation. Each of these tasks is described in,greater detail below. 3.1. PERMITTING AND PRE-FIELD WORK ACTIVITIES Applicable site assessment permits will be obtained from the PHS-EHD. In addition, a health and safety plan will-be prepared 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). Prior to mobilization, the monitoring well location will be clearly marked and an utility clearance obtained through Underground Service Alert. 3.2. DRILLING AND SOIL SAMPLE COLLECTION AGE proposes to install three ground water monitoring wells at the site as part of site assessment' activities. Proposed well locations are illustrated in Figure 2.- Based on soil 'and ground water contamination encountered beneath the former UST area and analytical data from previous sampling events, AGE proposes ground water monitoring well . installations in the following locations: • Approximately 10 feet north of monitoring well MW-1 to assess the vertical extent of petroleum hydrocarbon impacted.soil and ground water; Approximately 40 feet north of.MW-1 to assess the lateral extent of dissolved MTBE; and • Approximately 40 feet northeast of MW-1 to assess the lateral extent of dissolved'MTBE. Advanced CcoEnvironmental.Inc.