About: http://webisa.webdatacommons.org/166669414

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 EPA has set standards, known as the National Ambient Air Quality Standards, for six major pollutants, including ozone.
http://www.w3.org/ns/prov#wasQuotedFrom	pressreleasepoint.com