PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If improperly disposed of it may leach mercury, arsenic, cadmium, lead and other heavy metals that can potentially contaminate the ground water with levels the EPA considers unacceptable.My guess is that they want to get rid of the huge mountains of fly-ash and bottom-ash so that they can not be forced to treat the ash to remove heavy metals before disposal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org