About: http://webisa.webdatacommons.org/64524720

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	PCP is a highly toxic chemical which is not present in nature; it is only produced by humans and has only been present in any concentration in the environment within the last 60 years as an industrial waste product.
http://www.w3.org/ns/prov#wasQuotedFrom	pandasthumb.org