UK  Workplace exposure limits(EH40/2005)-List of Approved Workplace Exposure Limits is published by the Health and Safety Executive (HSE) in the official document EH40/2005, serving as the core supporting document for the UK Control of Substances Hazardous to Health Regulations (COSHH) with clear legal effect. This list specifies workplace exposure limits (WEL), divided into 8-hour TWA and 15-minute STEL. Inhalable dust (such as RCS silica) and carcinogenic substances (such as chromates) require special control strategies.

UK  Workplace exposure limits-List of Approved Workplace Exposure Limits

UK Occupational Exposure Limits Query | EH40/2005 Workplace Exposure Limits Query | HSE Official WEL Concentration Query | UK Occupational Exposure Limits Standards

Comments(The Carc, Sen and Sk notations are not exhaustive.)

Long-term exposure limit(8-hr TWA reference period,mg.m3)

Long-term exposure limit(8-hr TWA reference period,ppm)

Short-term exposure limit(15-minute reference period,mg.m3)

Short-term exposure limit(15-minute reference period,ppm)

Limiares de Exposição ao Trabalho no Reino Unido - Lista de Limiares de Exposição ao Trabalho Aprovados