About: http://webisa.webdatacommons.org/80898531

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Coal ash contains contaminants including arsenic, lead, and mercury, and according to Fair, a typical 500 megawatt coal burning power station produces over 125,000 tons of ash per year.
http://www.w3.org/ns/prov#wasQuotedFrom	gibbesmuseum.org