About: http://webisa.webdatacommons.org/31022677

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 is essentially harmless at levels found in the atmosphere in most locations, but can become a health hazard if it is trapped and concentrated in homes and other buildings.
http://www.w3.org/ns/prov#wasQuotedFrom	state.ok.us