Guides & Toolkits

Workbook for Designated Substance Assessments 36 366-BPV-01-IMOT © 2024, Workplace Safety & Prevention Services (WSPS) 1 877 494 WSPS (9777) | 905 614 1400 | WSPS.CA SECTION VI: REFERENCES AND RESOURCES For purposes of this Workbook for Designated Substance Assessments, the following documents were referenced: Legislation Occupational Health and Safety Act, R.S.O. 1990, c.0.1 Control of Exposure to Biological or Chemical Agents, R.R.O.1990, Reg. 833. Retrieved from: https://www.labour.gov.on.ca/english/hs/laws/index.php Designated Substances, R.R.O. 2009, Reg. 490. Retrieved from: https://www.labour.gov.on.ca/english/hs/laws/index.php Industrial Establishments, R.R.O. 1990, Reg. 851. Retrieved from: https://www.labour.gov.on.ca/english/hs/laws/index.php Standards and Guidelines American Conference of Governmental Industrial Hygienists (ACGIH). (2023). 2023 TLVs® and BEIs® Based on the Documentation of the Threshold Limit Values for Chemical Substances and Physical Agents & Biological Exposure Indices (or current version). American Conference of Governmental Industrial Hygienists (ACGIH). (2017). 2017 TLVs® and BEIs® Based on the Documentation of the Threshold Limit Values for Chemical Substances and Physical Agents & Biological Exposure Indices. American Industrial Hygiene Association. (2015). A Strategy for Assessing and Managing Occupational Exposures, Fourth Edition. Falls Church, VA: American Industrial Hygiene Association. Canadian Standards Association. (2018). CSA Z94.4 – 18. Selection, use and care of respirators. Toronto, Canada: CSA Group. Ministry of Labour, Immigration Training and Skills Development (MLITSD). (2022). A guide to designated substances in the workplace. Retrieved from: https://www.ontario.ca/document/guide-designated-substances-workplace. Standard Methods for Workplace Air Sampling and Analysis National Institute of Occupational Safety and Health (NIOSH). (2017). NIOSH Manual of Analytical Methods, 5th Edition. Retrieved from: https://www.cdc.gov/niosh/nmam/ Occupational Safety and Health Administration (OSHA). (2018). Sampling and Analytical Methods. Retrieved from: https://www.osha.gov/dts/sltc/methods/toc.html Health and Safety Executive (HSE). (2014). Methods for the Determination of Hazardous Substances. Retrieved from: General methods for sampling and gravimetric analysis of respirable, thoracic and inhalable aerosols MDHS14 (hse.gov.uk) WSPS.CA

• Cover
• SECTION VI: REFERENCES
• SECTION V: CONTROL PROGRAMS
• Guidelines For Worksheet 1: Is The Designated Substance Present?
• Guidelines For Worksheet 2: Is Worker Exposure Likely?
• Guidelines For Worksheet 3: Process Description
• Guidelines For Worksheet 4: Walk Through
• Guidelines For Worksheet 5: Walk Through Conclusions
• Guidelines For Worksheet 6: Is A Control Program Necessary?
• SECTION IV: ASSESSMENT CONCLUSION
• Introduction
• Conclusions Worksheet 6: Is A Control Program Necessary?
• SECTION III: ASSESSMENT
• Introduction
• Assessment – Worksheets 3: Process Description
• Assessment – Walk Through Survey
• Assessment – Worksheet 4: Walk Through
• Assessment – Worksheet 5: Walk Through Conclusions
• SECTION II: APPLICATION
• Introduction
• Application – Worksheet 1: Is the Designated Substance Present?
• Application – Worksheet 2: Is Worker Exposure Likely?
• SECTION I: INTRODUCTION
• Purpose of this Workbook
• ASSESSING DESIGNATED SUBSTANCES
• Decision Diagram For Assessing Designated Substances
• Workbook Format