About: http://webisa.webdatacommons.org/110101278

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 environment is often contaminated with a variety of noxious and toxic gases including carbon monoxide, methane, sulphur dioxide, hydrogen sulfide and a broad variety of organic vapors.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com