PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Natural chemical or mineral contaminants may include arsenic and radon, while un-natural contaminants such as pesticides, chemicals, and bacteria can also be found in your water as a result of land use practices, storm water overflow, and other events happening near your well.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oregon.gov