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<http://webisa.webdatacommons.org/409716486>	<http://www.w3.org/ns/prov#value>	"The biggest concern is still what is in the water, says Duke University's Jackson." .
<http://webisa.webdatacommons.org/409716486>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nhpr.org> .
<http://webisa.webdatacommons.org/prov/225923983>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/409716486> .