The force’s Health and Safety Adviser Andrew Stephenson gave a presentation to a meeting of the Institution of Occupational Safety and Health’s (IOSH) Manchester Branch Public Services Section.He spoke about how they measure noise levels and the controls they put in place as a result of it. With instructors dealing with firearms on a regular basis, the force operates a hierarchy of noise controls, Andrew said. This starts with controlling the noise at source and looking to reduce the exposure time to the noise.