About: http://webisa.webdatacommons.org/390826472

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	Perchlorate is a chemical that occurs naturally and is also manufactured in large quantities as a fuel for fireworks, explosives and rockets (Agency for Toxic Substances and Disease Registry (ATSDR) 2008d).
http://www.w3.org/ns/prov#wasQuotedFrom	ewg.org