In the UK, workplace exposure limits are governed by the Health and Safety Executive, under the Control of Substances Hazardous to Health (COSHH) regulation. The HSE defines exposure to a substance as: “uptake into the body by; breathing fume, dust, gas or mist, skin contact, injection in...
Regulation 6 of the Workplace (Health, Safety and Welfare) Regulations 1992 states: “Effective and suitable provision shall be made to ensure that every enclosed workplace is ventilated by a sufficient quantity of fresh or purified air." The ACOP also states that “The air which is introduced...