PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These include petroleum and petroleum byproducts; pesticides, herbicides and fungicides; heavy metals, among them mercury, arsenic, lead, aluminum, barium, and cadmium; organic solvents, including benzene, toluene, trichloroethylene, and dichloromethane; and numerous other synthetic chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • myfastforum.org