About: http://webisa.webdatacommons.org/205020105

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	Samples of HFSA have been tested by 3 independent laboratories and found to be 18-19% fluoride, upwards of 40% aluminum, and also contains contaminants such as lead, mercury, arsenic, cadmium and others.
http://www.w3.org/ns/prov#wasQuotedFrom	straightdope.com