About: http://webisa.webdatacommons.org/449024450

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	Particle pollution is made up of a number of components, including acids, such as nitrates and sulfates, organic chemicals, metals, and soil or dust particles.
http://www.w3.org/ns/prov#wasQuotedFrom	state.ia.us