About: http://webisa.webdatacommons.org/88608269

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	Fact: Changes such as additions, change in heating systems, installation of interior French drains, new windows, vent systems and other changes can all affect radon levels.
http://www.w3.org/ns/prov#wasQuotedFrom	pittsburghmoldtesting.com