PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Diesel fuel, antifreeze, motor or hydraulic oil, brake fluid, lubricants, adhesives, paints, and solvents are a few of the materials commonly brought to mining operations that would require you to ask the question: Is this a hazardous chemical?
http://www.w3.org/ns/prov#wasQuotedFrom
  • federalregister.gov