About: http://webisa.webdatacommons.org/340223262

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	Contaminant typically found in industrial gas streams that can be tolerated at low levels include water vapor, oxygen, carbon monoxide, nitric oxide, nitrogen dioxide and other organic species.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com