About: http://webisa.webdatacommons.org/111685574

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	NIST says that the sulfur could have come from building materials, such as gypsum and diesel fuel.
http://www.w3.org/ns/prov#wasQuotedFrom	911blogger.com