PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In Pennsylvania, the Department of Environmental Protection listed 85 hydraulic fracturing chemicals, e.g. benzene, petroleum distillates, many of which are known carcinogens.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthylakes.org