About: http://webisa.webdatacommons.org/40179039

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	However, quartz and cristobalite have been tested on laboratory animals such as rats, guinea pigs and sheep, for which exposure was quantitatively defined.
http://www.w3.org/ns/prov#wasQuotedFrom	ec.gc.ca