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
It will guide those responsible for controlling exposure to hazardous substances at work.