”EH40/2005 Workplace Exposure Limits (Fourth edition, published 2020). Containing the List of Workplace Exposure Limits for Use with the Control of Substances Hazardous to Health Regulations 2002 (as amended).
Approved for use with the Control of Substances Hazardous to Health Regulations (Northern Ireland) 2003.
The latest version of EH40/2005 has been updated to include new and revised workplace exposure limits (WELs) introduced by European Commission Directive (EU) 2017/2398. It will guide those responsible for controlling exposure to hazardous substances at work. ” (source HSE)
The WELs listed in Table 1 of EH40/2005 ‘workplace exposure limits’ supersede any WELs contained in other HSE guidance or publications.
You can view the updated document online or you can download the PDF EH40/2005 4th Edition 2020