<http://webisa.webdatacommons.org/128995763>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<chemhat.org> .
<http://webisa.webdatacommons.org/128995763>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/186515435>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/128995763> .
<http://webisa.webdatacommons.org/128995763>	<http://www.w3.org/ns/prov#value>	"Every year more than four million American workers are seriously injured or sickened by exposure to chemicals and other toxic substances." .