Site Investigation Project Activities

Site Preparation Activities

A comprehensive site investigation was completed in 2008.  Prior to beginning the investigation activities, the following preparation activities were performed:

• Conducted a public meeting
• Located utilities
• Performed wildlife reconnaissance
• Surveyed activity locations
• Constructed an onsite temporary access road
• Installed Oakton Street access gate and driveway
• Installed, repaired and removed fencing and gates as necessary
• Cleared site of some vegetation
• Set up a field office

Site Investigation

The specific activities undertaken during the site investigation scope of work were:

• Conducted geophysical survey in former drum storage area Geophysical Survey Map
• Advanced four soil borings to an approximate depth of 45 feet to characterize the geology of the site GeoTech Boring Map
• Advanced 80 soil probes to a minimum depth of 10 feet to characterize the environmental impacts across the site Grid Map
• Advanced 36 soil probes to a minimum depth of 10 feet to characterize areas with previously identified impacts Target Area Probe Map
• Excavated 44 test pits to various depths to confirm the presence, condition and location of sub-grade structures Test Pit Map
• Advanced 97 soil borings to various depths within or adjacent to former structures to identify environmental impacts associated with former structures Structure Boring Map
• Sampled four existing onsite groundwater monitoring wells
• Conducted perimeter air monitoring
• Submited soil and groundwater samples to a certified laboratory for analysis
• Demobilized personnel and equipment from the site
• Prepared a comprehensive site investigation report of findings

Comprehensive Site Investigation Map