About: http://webisa.webdatacommons.org/177765589

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	Slag is an industrial waste that contains hazardous substances including zinc, lead, copper, and other metals that cannot be removed by normal smelter processing.
http://www.w3.org/ns/prov#wasQuotedFrom	klamathbasincrisis.org