<http://webisa.webdatacommons.org/prov/292907407>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/94807278> .
<http://webisa.webdatacommons.org/94807278>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<epa.gov> .
<http://webisa.webdatacommons.org/94807278>	<http://www.w3.org/ns/prov#value>	"The commenter indicates that ozone is a natural chemical produced by natural processes in quantities much greater than any amounts produced by humans and ozone production is driven by natural, not anthropogenic, processes." .
<http://webisa.webdatacommons.org/94807278>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .