About: http://webisa.webdatacommons.org/142027629

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	Also, these are the particles, such as sulfates, nitrates, and the like, that pose the greatest health hazards to human respiration.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com