About: http://webisa.webdatacommons.org/170544229

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	The dust contains carcinogens such as nickel, cadmium, and arsenic, as well as sodium, chlorine, iron, calcium, potassium, sulfur, aluminum, and magnesium.
http://www.w3.org/ns/prov#wasQuotedFrom	grist.org