About: http://webisa.webdatacommons.org/133921285

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	Toxic metals such as mercury and plutonium are a major environmental problem and are currently treated with complicated procedures that generate voluminous, sometimes toxic, waste.
http://www.w3.org/ns/prov#wasQuotedFrom	calpoly.edu