







The Health and Safety Executive (HSE) sets clear requirements for exposure monitoring under the COSHH Regulations 2002 (Control of Substances Hazardous to Health). These rules apply when workers might be exposed to harmful substances in the air.
1. Monitoring When Necessary
2. Use Suitable and Appropriate Testing Methods
3. Compared to WELs
4. Frequency of Monitoring
5. Record-Keeping
6. Act on the Results