<http://webisa.webdatacommons.org/prov/335329532>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/121958027> .
<http://webisa.webdatacommons.org/121958027>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/121958027>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<msoe.edu> .
<http://webisa.webdatacommons.org/121958027>	<http://www.w3.org/ns/prov#value>	"In addition to carbon monoxide and carbon dioxide, the exhaust gases from the blast furnace contain significant amounts of particulate matter, heavy metals, and other pollutants." .