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<http://webisa.webdatacommons.org/418846674>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<washingtonpost.com> .
<http://webisa.webdatacommons.org/prov/89760735>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/418846674> .
<http://webisa.webdatacommons.org/prov/359517980>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/418846674> .
<http://webisa.webdatacommons.org/418846674>	<http://www.w3.org/ns/prov#value>	"Widely distributed in soil, plants and water, including our food and drinking water, it is impossible to avoid." .
<http://webisa.webdatacommons.org/prov/178809415>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/418846674> .