PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Soil was also contaminated with dioxin, PCBs and heavy metals including chromium, arsenic and copper.
http://www.w3.org/ns/prov#wasQuotedFrom
  • epa.gov