<http://webisa.webdatacommons.org/prov/340709782>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/220841405> .
<http://webisa.webdatacommons.org/220841405>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/436071364>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/220841405> .
<http://webisa.webdatacommons.org/220841405>	<http://www.w3.org/ns/prov#value>	"Tar sands oil contains the following heavy metals : nickel, vanadium, LEAD, CHROMIUM, MERCURY, ARSENIC, SELENIUM, BENZENE and other toxic elements." .
<http://webisa.webdatacommons.org/220841405>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<truth-out.org> .
<http://webisa.webdatacommons.org/prov/3884110>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/220841405> .