Workbook for Designated Substance Assessments
7
366-BPV-01-IMOT © 2024, Workplace Safety & Prevention Services (WSPS)
1 877 494 WSPS (9777) | 905 614 1400 | WSPS.CA
DECISION DIAGRAM FOR ASSESSING DESIGNATED SUBSTANCES
1. Determine if the Designated
Substances Regulation applies
1.a) Is the
Designated
Substance
present?*
1.b) Is exposure
likely?
2. Do an assessment
2.a) May health
be affected?
3. Develop/improve and implement
control program
4. Change in
Progress
Regulation does not apply
No control program needed
NO
NO
NO
YES
YES
YES
*Although a Designated Substance may be present, there are situations outlined within the legislation that allow for
exemptions – refer to Regulation 490/09, sections 3-14, for these criteria.
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