A geoprobe-r- will be used to drill 6 borings -depths of 15 ft- to collect current soil analytical data to assess the extent of environmental impacts. The diameter of the soil borings will be three inches. Soil borings will be back-fill with bentinite cement grout -2 percent to 98 percent type ii portland cement - dry-. Water ratio in accordance with dc well construction requirements. All work will be conducted ubder ddoe regulation, as per site plans, work plan report and ddoe dc well consgtruction and schematic forms. Work will take place in-between potomac avenue, r and half street sw.

A geoprobe -r- will be used to drill 8 borings-depths of 15 ft- to collect current soil analytical data to assess the extent of environmental impacts. The diameter of the soil borings will be three inches. Soil borings will be back-fill with bentonite cement grout -2 percent to 98 percent type iii portland cement-dry. Water ratio in accordance with dc well construction requirements. All work will be conducted under ddoe regulation, as per site plans, work plan report and ddoe dc well construction and schematic forms. Work will take place in-between r and s street sw.