PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This web site is targeted to explaining the mechanisms for migration of contaminants such as benzene, toluene, xylene, MTBE, TCE, arsenic, chromate, mercury, lead, dioxin, PCBs, fuel oil, gasoline or other toxic chemicals that enter your home; and, methods to prevent entry of contaminants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • earthdrx.org