About: http://webisa.webdatacommons.org/321198653

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	If an explosion occurs in a structure and the damage is at the foundation level, it may be a heavier than air gas such as propane.
http://www.w3.org/ns/prov#wasQuotedFrom	firehouse.com