About: http://webisa.webdatacommons.org/419377457

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	Such chemicals as PCB???s (polychlorinated biphenyls), banned from the U.S. plastics industry since the 1970s, concentrate in the blubber of prey species that are then eaten by the bears.
http://www.w3.org/ns/prov#wasQuotedFrom	homestead.com