PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But testing by the U.S. Environmental Protection Agency found several water contaminants linked to nearby well drilling, and independent air tests found a variety of volatile organic compounds and carcinogens, including benzene, toluene and ethylbenzene.
http://www.w3.org/ns/prov#wasQuotedFrom
  • post-gazette.com