2
366-BYE-01-IMDO © 2025, Workplace Safety & Prevention
Services (WSPS)
1 877 494 WSPS (9777) | 905 614 1400 | WSPS.CA
Table of Contents
Page No.
SECTION I: INTRODUCTION............................................................................ 5
Purpose of this Workbook ...................................................................................... 5
Assessing Designated Substances ......................................................................... 6
Decision Diagram For Assessing Designated Substances .............................. 7
Workbook Format ..................................................................................................... 8
SECTION II: APPLICATION .............................................................................. 9
Introduction ............................................................................................................... 9
Application – Worksheet 1: Is the Designated Substance Present? ............. 10
Application – Worksheet 2: Is Worker Exposure Likely? ............................. 12
SECTION III: ASSESSMENT ............................................................................ 14
Introduction ............................................................................................................. 14
Assessment – Worksheets 3: Process Description .......................................... 16
Assessment – Walk Through Survey ..................................................................20
Assessment – Worksheet 4: Walk Through ...................................................... 21
Assessment – Worksheet 5: Walk Through Conclusions ..............................24
SECTION IV: ASSESSMENT CONCLUSION ................................................ 26
Introduction ............................................................................................................. 26
Conclusions Worksheet 6: Is A Control Program Necessary? ...................... 27
ADDITIONAL PAGES ......................................................................................... 28
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