PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many undesirable components of injectable wastes especially sludge consisting of mainly oils & grease are not easily biodegraded as fast compared to other constituent components.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usgs.gov