About: http://webisa.webdatacommons.org/184561730

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	Criteria Air Contaminants (CAC) are emissions of various air pollutants that affect our health and contribute to air pollution problems such as ground level ozone, haze, and acid rain.
http://www.w3.org/ns/prov#wasQuotedFrom	propane.ca