PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mercury and Air Toxics Standards (MATS) Rule??? as it???s name implies, requires reduction of mercury, particulate matter, and such toxics as arsenic, acid gas, nickel, selenium and cyanide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • denverpost.com