About: http://webisa.webdatacommons.org/308772410

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	In addition, the sludge contains heavy metals and other contaminants such as arsenic, as well as chemical reagents used during the milling process.
http://www.w3.org/ns/prov#wasQuotedFrom	wise-uranium.org