Campbell Environmental Group supervised the removal of a 1,000-gallon capacity, concrete, underground structure, from a trucking facility in southern Maine. Following the removal of the structure, CEG completed Phase I and Phase II ESAs at the site. The concrete structure acted as an oil/water separator for storm water collected from two catch basins located adjacent to a fuel pump island and a 12,000-gallon diesel fuel aboveground storage tank. The structure allowed storm water to discharge to a wet area that drained into a detention pond. The purpose of CEG's work was to remove the concrete structure from the subsurface and assess any adverse impacts from the storm water to the surrounding soils and groundwater. The investigation consisted of the following tasks:
-- Supervised and documented the removal of the underground structure following the format and requirements outlined for underground storage tanks in 06-096 CMR Chapter 691, Appendix P;
-- Supervised the removal and disposal of diesel fuel impacted soil;
-- Completed a water supply well survey;
-- Completed a limited Phase I ESA;
-- Supervised the installation of overburden monitoring wells;
-- Collected soil and groundwater samples for laboratory analysis; and
-- Attended public meetings to provide information to the community.
