<http://webisa.webdatacommons.org/5109451>	<http://www.w3.org/ns/prov#value>	"of haze and can contribute to health problems, such as chronic bronchitis." .
<http://webisa.webdatacommons.org/5109451>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/220620262>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/5109451> .
<http://webisa.webdatacommons.org/5109451>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pnl.gov> .