PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • And we recently finalized standards to require operators of new fractured natural gas wells to use cost-effective technologies and practices to capture pollutants which contribute to smog formation, and air toxics, including benzene and hexane, which can cause cancer and other serious health effects.
http://www.w3.org/ns/prov#wasQuotedFrom
  • democraticunderground.com