Sediments contaminated with PCBs and DIOXIN in the large water ways, e.g. Hudson, Delaware, Passaic…

Sediments contaminated with PCBs and DIOXIN in the large water ways, e.g. Hudson, Delaware, Passaic… Show more Sediments contaminated with PCBs and DIOXIN in the large water ways, e.g. Hudson, Delaware, Passaic is of much interest in the news and scientific research. Are there more advantages to let the sediments stay or more disadvantages to removing/ remediating these sediments? Does the human health risk and ecological risk assessment factor into these sediments? If so, why and if not why? • Show less