About: http://webisa.webdatacommons.org/271108805

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	Natural gas obtained in the Marcellus Shale and other regions contain high levels of radon gas, a known carcinogen.
http://www.w3.org/ns/prov#wasQuotedFrom	qgazette.com