About: http://webisa.webdatacommons.org/268960271

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 this case, acrolein and other impurities are separated and processed for recovery or disposal (Environment Canada, 1997).
http://www.w3.org/ns/prov#wasQuotedFrom	inchem.org