About: http://webisa.webdatacommons.org/223886835

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	Experts believe the substance, a byproduct of refining bauxite into aluminum, is likely to contain heavy metals, such as lead, as well as high levels of arsenic.
http://www.w3.org/ns/prov#wasQuotedFrom	foreignpolicy.com