<http://webisa.webdatacommons.org/166843615>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/166843615>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ec.gc.ca> .
<http://webisa.webdatacommons.org/prov/484050791>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/166843615> .
<http://webisa.webdatacommons.org/166843615>	<http://www.w3.org/ns/prov#value>	"They can come from a myriad of sources such as residues from industrial operations, manufacturing processing plants and hospitals, or they can be obsolete materials such as waste lubricants and pesticides." .