<http://webisa.webdatacommons.org/prov/290607525>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/131855476> .
<http://webisa.webdatacommons.org/131855476>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<case.edu> .
<http://webisa.webdatacommons.org/131855476>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/131855476>	<http://www.w3.org/ns/prov#value>	"This type of material contains lead and other substances that, if not handled properly, could be released into the environment and cause harm." .