PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Austin American Statesman: According to the most recent EPA statistics, the plants in 2007 emitted about 300 tons of sulfuric acid, nearly 20 tons of benzene, and smaller amounts of mercury, chromium, manganese and other chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dallassierraclub.org