About: http://webisa.webdatacommons.org/282535481

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	PCBs are a particularly pernicious chemical banned in the US since 1979.
http://www.w3.org/ns/prov#wasQuotedFrom	healthyomega3.com