<http://webisa.webdatacommons.org/258608914>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/258608914>	<http://www.w3.org/ns/prov#value>	"contaminants such as arsenic, lead and trace amounts of radioactive isotopes." .
<http://webisa.webdatacommons.org/prov/451883133>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/258608914> .
<http://webisa.webdatacommons.org/prov/418572002>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/258608914> .
<http://webisa.webdatacommons.org/258608914>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<apfn.org> .