Assertion: dirty bomb's material | /r/AtLocation | international commerce
Facets:
value: widely
type: DEGREE
Source sentences:
text: Radioactive materials considered useful in a dirty bomb are widely present in U.S. and international commerce, used legitimately for medical and industrial purposes in more than 70,000 high-risk devices located at 13,000 buildings, according to a 2013 Energy Department estimate.