PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The process creates a number of toxic impurities such as tetrachlorophenol, hexachlorobenzene and several types of dioxins and dibenzofurans.
http://www.w3.org/ns/prov#wasQuotedFrom
  • naturalnews.com