About: http://webisa.webdatacommons.org/385055642

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 air used for combustion is generally contaminated with not only normal air pollution, but often with household cleaning products, especially chlorine from bleach.
http://www.w3.org/ns/prov#wasQuotedFrom	csia.org