<http://webisa.webdatacommons.org/148554350>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ololrmc.com> .
<http://webisa.webdatacommons.org/prov/48903668>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/148554350> .
<http://webisa.webdatacommons.org/148554350>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/60683092>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/148554350> .
<http://webisa.webdatacommons.org/prov/312116082>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/148554350> .
<http://webisa.webdatacommons.org/148554350>	<http://www.w3.org/ns/prov#value>	"Researchers have also investigated a number of metals and chemicals including vinyl chloride, petroleum products, lead, arsenic, mercury, and pesticides." .
<http://webisa.webdatacommons.org/prov/453968903>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/148554350> .