Pub. L. 111-259, tit. III, subtit. D, sec. 344
REPORT ON THREAT FROM DIRTY BOMBS.
SEC. 344. REPORT ON THREAT FROM DIRTY BOMBS. Not later than 180 days after the date of the enactment of this Act, the Director of National Intelligence, in consultation with the Nuclear Regulatory Commission, shall submit to Congress a report summarizing intelligence related to the threat to the United States from weapons that use radiological materials, including highly dispersible substances such as cesium-137.