About: http://webisa.webdatacommons.org/378026157

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	Examples include the recovery of iron oxide, aluminum, manganese and high value trace elements such as gold and yttrium.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov