<http://webisa.webdatacommons.org/188369697>	<http://www.w3.org/ns/prov#value>	"Toxic materials such as lead," .
<http://webisa.webdatacommons.org/prov/455238637>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/188369697> .
<http://webisa.webdatacommons.org/188369697>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<memphis.edu> .
<http://webisa.webdatacommons.org/188369697>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .