About: http://webisa.webdatacommons.org/24362472

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	Building materials such as granite, well water, soil, outside air, smoke detectors, certain clocks and watches; radon is second leading cause of lung cancer in the U.S. Energy Efficient Buildings Often Have WORSE Air Quality
http://www.w3.org/ns/prov#wasQuotedFrom	mercola.com