About: http://webisa.webdatacommons.org/326935488

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	Thereafter, the solids are washed to remove any remaining dissolved toxic solids to produce a non-toxic solids suitable for use as a building material, when combined with cement, soil conditioner or other uses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com