About: http://webisa.webdatacommons.org/210573384

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 is the by-product of burning coal for electricity and contains toxic materials such as arsenic, lead, mercury, and selenium.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com