<http://webisa.webdatacommons.org/prov/51505140>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/393066503> .
<http://webisa.webdatacommons.org/393066503>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<purestfilters.com> .
<http://webisa.webdatacommons.org/393066503>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/393066503>	<http://www.w3.org/ns/prov#value>	"Pesticides, arsenic, chlorine and other chemicals" .
<http://webisa.webdatacommons.org/prov/57578156>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/393066503> .