PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Despite the huge amounts of ash generated in the USA (131 mtons per year) no federal regulations control the fate of ash from coal-fired plants. 56% of this is not used in products such as concrete.
http://www.w3.org/ns/prov#wasQuotedFrom
  • osti.gov