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Control of Substances Hazardous to Health (COSHH)

Coronavirus (COVID-19): update

For the most up-to-date news and guidance, go to our pages on coronavirus.

Important note: New or revised limits for 13 substances have been introduced on 17 January 2020. Please refer to Table 1 of EH40/2005 ‘Workplace Exposure Limits’ for the latest WELs as these supersede any WELs contained in other HSE guidance or publications.

This website provides practical advice and Guidance on the Control of Substances Hazardous to Health Regulations 2002. You can find information on what the law requires, advice on completing COSHH assessments.

What is COSHH?

Health and safety made simple

This site is for employers and those who want some basic information on what they must do to make sure their businesses comply with health and safety law.

The basics for your business

COSHH basics

COSHH is the law that requires employers to control substances that are hazardous to health.

More on COSHH basics

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2020-09-16