Designated substances are materials that, due to risks associated with exposure, handling, or storage, are strictly regulated by the Ministry of Labour (MOL).

Research groups working with designated substances are legally bound to complete a safety assessement outlining compliance with applicable MOL regulations. See Risk Management Manual Program #500 for details, and contact EOHSS for assistance.

The materials that have been rated as designated substances are:

acrylonitrile
arsenic
asbestos
benzene
coke oven emissions
ethylene oxide
isocyanates
lead
mercury
silica
vinyl chloride

To download a Designated Substance Assessment Form, visit our Forms and Templates page, or click the Designated Substances RMM #500 link at the top right.