<http://webisa.webdatacommons.org/219834333>	<http://www.w3.org/ns/prov#value>	"such as lead, mercury, copper and nickel; and toxins such as arsenic." .
<http://webisa.webdatacommons.org/prov/428605359>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/219834333> .
<http://webisa.webdatacommons.org/219834333>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<weeklywire.com> .
<http://webisa.webdatacommons.org/prov/270649507>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/219834333> .
<http://webisa.webdatacommons.org/prov/36070785>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/219834333> .
<http://webisa.webdatacommons.org/219834333>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .