They either have been completely remediated or are being addressed through long-term operation, maintenance and monitoring. Of the remaining 156 subsites, some type of remedial work is underway at 151. Ten additional subsites were given an NFA designation and seven other subsites moved to a maintenance-only status after all investigation and cleanup activities were completed. Most subsites routinely require a series of remedial projects, as described below. It is essential to determine the extent and nature of contamination and to identify acceptable alternatives for cleanup.
Substantial effort is expended in characterizing the environmental problems generated by the site.
This type of project entails removal or stabilization of contaminated material. It is the most visible indicator of cleanup progress. Twenty-one of the 32 projects are being funded by responsible parties while the other 11 were started with public monies. Fourteen were funded by responsible parties while 11 were paid for with public funds.