<http://webisa.webdatacommons.org/prov/194537076>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/319349232> .
<http://webisa.webdatacommons.org/prov/79713363>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/319349232> .
<http://webisa.webdatacommons.org/319349232>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<healthylakes.org> .
<http://webisa.webdatacommons.org/319349232>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/319349232>	<http://www.w3.org/ns/prov#value>	"Officials are worried that the sediment is contaminated with PCBs, a carcinogen that can accumulate in fish such as walleye and perch." .