<http://webisa.webdatacommons.org/prov/104463814>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/213220208> .
<http://webisa.webdatacommons.org/213220208>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<fourwinds10.net> .
<http://webisa.webdatacommons.org/213220208>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/213220208>	<http://www.w3.org/ns/prov#value>	"Dioxin is the most dangerous chemical known and has a 100 year half-life when leached into soil or embedded in water systems." .