PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many chemicals are the byproducts of combustion and contain polyaromatic hydrocarbons formaldehydes, benzene, and other carcinogens.
http://www.w3.org/ns/prov#wasQuotedFrom
  • vtfirefighters.org