About: http://webisa.webdatacommons.org/46462582

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	Radon: A naturally occurring radioactive gas found in the United States in nearly all types of soil, rock, and water.
http://www.w3.org/ns/prov#wasQuotedFrom	photius.com