About: http://webisa.webdatacommons.org/24738041

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 fly ash contains heavy metals including lead, mercury, arsenic, chromium, and selenium.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com