About: http://webisa.webdatacommons.org/188158156

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	Some of the chemicals, such as the sodium and sulfur, are expected from the natural rock formations in the West.
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov