State and local officials, as well as environmental organizations, up and down the river have been calling for additional cleanup since the release of the five - year review. (wamc.org)
The settlement will help pay for additional cleanup and restoration. (fortune.com)
Of particular concern is the 1 - acre Superfund site that was left with a possible carcinogenic nitrobenzene sludge at levels that would require additional cleanup for housing and an active park use such as ball fields. (investigativepost.org)