PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • EPA is studying possible Clean Air Act controls for air emissions of hazardous air pollutants, including mercury, from electric utility industry.
http://www.w3.org/ns/prov#wasQuotedFrom
  • epa.gov