About: http://webisa.webdatacommons.org/365330613

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I read in Treehugger last week that a study by the Union of Concerned Scientists found heavy metals such as lead, cobalt and cadmium in some brands of art supplies.
http://www.w3.org/ns/prov#wasQuotedFrom	motherearthnews.com