About: http://webisa.webdatacommons.org/222775390

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	Many of these chemicals, for example PCBs, have been banned for decades but can still be found in dangerously high concentrations in some biota.
http://www.w3.org/ns/prov#wasQuotedFrom	clarkson.edu