Halliburton finds lost radioactive rod in Texas | Business | guardian.co.uk

Halliburton finds lost radioactive rod in Texas | Business | guardian.co.uk: "Rod containing americium-241/beryllium had been lost a month ago during a 130-mile
journey between oil wells"

Health and Americium: "As a highly radioactive element, americium and its compounds must be handled only in an appropriate laboratory under special arrangements. Although most americium isotopes predominantly emit alpha particles which can be blocked by thin layers of common materials, many of the daughter products emit gamma-rays and neutrons which have a long penetration depth. Source: Wikipedia