EH40 – Workplace Exposure Limits 2005 (2020 edition).

This latest version of EH40 (4th Revision; 2020) has been updated to include new, revised and updated Workplace Exposure Limits (WELs) for the following substances:-
■ Hardwood dusts (including mixed dusts)
■ Chromium (VI) compounds
■ Refractory ceramic fibres
■ Respirable crystalline silica
■ Vinyl chloride monomer
■ Ethylene oxide
■ 1,2-Epoxypropane
■ Acrylamide
■ 2-Nitropropane
■ O-Toluidine
■ 1,3-Butadiene
■ Hydrazine
■ Bromoethylene
It will guide those responsible for controlling exposure to hazardous substances at work.