About: http://webisa.webdatacommons.org/334981152

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	Test conductors sent e-mail messages to city officials notifying them of problems and emergency officials, including police, fire, and utility workers, then had to react.
http://www.w3.org/ns/prov#wasQuotedFrom	worldmag.com