Advice for operators of BAM air quality monitors - complying with Radioactive Substances Regulations – October 2018

Air Quality Monitors using beta attenuation monitoring (BAM) technology are in common use by local authorities. These monitors contain radioactive sources, typically carbon-14 (C-14) (3.7 MBq) or krypton-85 (Kr-85) (1.85 GBq). The purpose of this update is to clarify the regulatory arrangements which apply to these sources.