PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Examples of such contaminants may include for example chemical by-products, thermal by-products, pyrolytic decomposition by-products, carbonaceous reformation by-products, carbon dioxide, carbonate, insoluble solids, tar, phenol, hydrocarbon, and other particulates.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com