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<http://webisa.webdatacommons.org/12871750>	<http://www.w3.org/ns/prov#value>	"Barium is a heavy metal, which can be poisonous if you ingest enough of it.Conrad (SUBJECT) CONRAD DAN VOLZ: he is just like backing up a dump truck full of powdered barium and having about 16 of them just dump that right into the Monongahela River." .
<http://webisa.webdatacommons.org/prov/115903725>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/12871750> .
<http://webisa.webdatacommons.org/12871750>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .