Standards for Atmospheric Contaminants in Occupational Environments

Information status

All documents issued prior to 1 July 2017 were issued by the former Department of Commerce. Documents listed here are the latest versions available. For more information on this document, please contact

This publication is for: 
Employee / workerEmployer

The exposure standards listed in this publication represent airborne concentrations of individual chemical substances which, according to current knowledge, should neither impair the health of nor cause undue discomfort to nearly all workers.

Guidance note
Last updated 26 May 2014

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