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About:
http://webisa.webdatacommons.org/249512733
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
Combustion sources in indoor settings, including tobacco, heating and cooking appliances, and fireplaces, can release harmful combustion byproducts such as carbon monoxide and particulate matter directly into the indoor environment.
http://www.w3.org/ns/prov#wasQuotedFrom
epa.gov