Substances listed in this document have exposure standards based on health effects for most workers. However, there are a number of instances where other considerations, such as, economic, social or technological implications, or sampling and analytical limitations, have also been taken into account.
A current list of workplace exposure standards can be found on the Hazardous Substances Information System (HSIS)
Related documents:
Guidance on the Interpretation of Workplace Exposure Standards for Airborne Contaminants.