Superfund Hudson River Dredging Resumes After Dangerous PCB Levels Detected Downstream posted on August 13, 2009 200 miles of the Hudson River were classified as a Superfund site in 1984. The Comprehensive Environmental Response, Compensation and Liability Act of 1980 (CERCLA) established the Superfund program …Continue Reading about Superfund Hudson River Dredging Resumes After Dangerous PCB Levels Detected Downstream →