PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Contamination other than bacteria or nitrates can include heavy metals (e.g. lead), mercury, pesticides and volatile organic chemicals contained in products such as industrial solvents, degreasers, paint, gasoline and fuel oil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wi.gov