About: http://webisa.webdatacommons.org/141942886

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	late matter with a mass median diameter less than 2.5 ??mNumerous studies have linked PM to aggravated cardiac and respiratory diseases such as asthma, bronchitis and emphysema and to various forms of heart disease.
http://www.w3.org/ns/prov#wasQuotedFrom	ec.gc.ca