OHS Guidelines: Underground utilities
Published on: December 04, 2025Guidelines — Occupational Health and Safety Regulation
Editorial revisions were made to the following guideline on December 4, 2025:
- Part 20 – Excavations
G20.79 Underground utilities
OHS Guidelines: Instruction and direction of firefighters
Published on: November 06, 2025Guidelines — Occupational Health and Safety Regulation
The following guideline was issued on November 6, 2025:
- Part 31 Firefighting
G31.4 Instruction and direction of firefighters
New and revised guidelines are posted for a 60-day preliminary period, during which time the stakeholder community may comment and request revisions.
OHS Guidelines: Hazardous drugs
Published on: October 20, 2025Guidelines — Occupational Health and Safety Regulation
Editorial revisions were made to the following guideline:- Part 6 – Hazardous Drugs
G6.50(3) Mixing, preparing, and priming of specific hazardous drugs
OHS Guidelines: Electrical isolation and lockout
Published on: September 11, 2025
Guidelines — Occupational Health and Safety Regulation
Editorial revisions were made to the following guideline:
- Part 19 Electrical Safety
G19.16-1 Isolation and lockout
OHS Guidelines: Exposure limits
Published on: August 20, 2025Guidelines — Occupational Health and Safety Regulation
- Part 5 Chemical Agents and Biological Agents
- Table of Exposure Limits for Chemical and Biological Substances
The table has been updated to reflect changes to OHS Policy R5.48-1 (amended August 20, 2025). Deletions are shown as strikethrough; additions and revisions are highlighted in green.
- Table of Exposure Limits for Chemical and Biological Substances
Editorial revisions were also made to the following guidelines:
- Part 8 - Safety Headgear
G8.12/8.13 Use of safety headgear for workers on ATVs and similar equipment in agricultural operations - Part 6 Forestry Operations and Similar Activities
G26.11(3) High stem density of dangerous trees - Requesting approval