About: http://webisa.webdatacommons.org/51583257

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	While some of these compounds, such as bitumen, are not very flammable, crude contains others such as dissolved natural gas, which is highly volatile, and hydrogen sulphide, which is exceptionally toxic, flammable and corrosive.
http://www.w3.org/ns/prov#wasQuotedFrom	financialpost.com