text: The cleanup process started when there was a survey of Manhattan Project sites. The plant was inspected in 1976 and found low levels of radiation. Westinghouse filed an application in 1988 with the Nuclear Regulatory Commission (NRC) to decommission those buildings. The demolition of the buildings was done from 1993 through 2004. During that period, certain radioactive contamination was removed from the site. However, some contaminated areas were covered with asphalt and concrete. The license on the site was terminated by NRC in 2003 so that the site can be released for unrestricted use, although New Jersey Department of Environmental Protection (NJDEP) disagreed with that decision. In 2006, NJDEP sued Viacom (successor of Westinghouse) and others for the continuation of ground water contamination at the site.