About: http://webisa.webdatacommons.org/111293462

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	In addition, buyers would need to show identification to make bulk purchases of ammonium nitrate fertilizers and chemicals, such as sodium chlorate and potassium perchlorate, that can be used to make explosives.
http://www.w3.org/ns/prov#wasQuotedFrom	nationalacademies.org