About: http://webisa.webdatacommons.org/402948398

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	Examples of possible contaminants include terpenes, chlorinated solvents such as trichloroethane and trichloroethylene, drilling muds, and refined hydrocarbon materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com