<http://webisa.webdatacommons.org/270090796>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/270090796>	<http://www.w3.org/ns/prov#value>	"In 1987, polychlorinated biphenyls (PCBs), trichloroethylene and other solvents, pesticides, petroleum hydrocarbons and metals including lead were confirmed at a number of shipyard locations." .
<http://webisa.webdatacommons.org/prov/287155060>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/270090796> .
<http://webisa.webdatacommons.org/prov/286127032>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/270090796> .
<http://webisa.webdatacommons.org/270090796>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<webwire.com> .