About: http://webisa.webdatacommons.org/24898177

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	Some chemicals, such as polychlorinated biphenyls (PCBs), which are highly toxic, have been banned from use because the risk to human health and the environment was too great.
http://www.w3.org/ns/prov#wasQuotedFrom	learninghood.ca