About: http://webisa.webdatacommons.org/13177641

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	several times to remove contaminants, including oil and grease, chlorides and other contaminants, to ensure the solids meet specific
http://www.w3.org/ns/prov#wasQuotedFrom	sec.gov