PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Smoke from these types of furnaces, says the DEP, contains unhealthy amounts of particulate matter, dioxin, carbon monoxide, nitrogen dioxide, sulfur dioxide, hydrochloric acid, formaldehyde and other toxic air pollutants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • courant.com