Personnel Monitoring Equipment : Devices designed to be worn or carried by an individual for the purpose of measuring the radiation dose received (e.g., film badges, pocket dosimeters, film rings, etc.) (RP 5A5)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}