About: http://webisa.webdatacommons.org/239944697

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	At the WTC, thermal energy vaporized the rubble???concrete, steel, glass, combustibles???and emitted aerosols of chromium, nickel and other metals elements directly related to radioactivity.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com