UK - Occupational exposure limits for hazardous substances at work

A free-to-download, web-friendly version of EH40 (Second edition, published 2011) has been updated to include new and revised workplace exposure limits (WELS) introduced by the 2nd and 3rd Indicative Occupational Exposure Limit Values (IOELV) Directives.

http://www.hse.gov.uk/pubns/priced/eh40.pdf