About: http://webisa.webdatacommons.org/248567446

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	NORM is made up of elements such as thorium, uranium, and potassium, which contribute to what scientists call ???background??? radiation.
http://www.w3.org/ns/prov#wasQuotedFrom	adph.org