About: http://webisa.webdatacommons.org/171330457

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The cleanup is necessary because high levels of contaminants, including dioxin, PCBs and mercury, are present in the sediment and can have serious impacts on people???s health.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov