About: http://webisa.webdatacommons.org/219169475

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	The PetroCAM?? documents the concentration of oil, grease, water, sand, and other particles and contaminants in liquids.
http://www.w3.org/ns/prov#wasQuotedFrom	wef.org