About: http://webisa.webdatacommons.org/100226329

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	Carbon monoxide can also be emitted by combustion sources such as unvented kerosene and gas space heaters, fireplaces, gas stoves, wood stoves, automobile exhaust from attached garages, and tobacco smoke.
http://www.w3.org/ns/prov#wasQuotedFrom	tamu.edu