An officer is of the opinion that a tool, appliance, or piece of equipment is...

Provincial Occupational Health and Safety (OHS) officers possess significant legal authority to enforce workplace safety and prevent injuries. When an OHS officer conducts an inspection and identifies an immediate hazard—specifically, that a particular tool, appliance, or piece of equipment is defective, not up to code, or being used in an unsafe manner—they have the power to issue a targeted "Stop Use" order. This order legally compels the worker to immediately cease using that specific piece of equipment until it is repaired, replaced, or until proper training is administered. While OHS officers can issue broader "Stop Work" orders that shut down an entire site (Option A or C), they typically reserve that extreme measure for systemic, site-wide hazards that threaten imminent, catastrophic danger to all personnel. For a localized hazard involving a specific tool, the proportionate and standard legal action is a targeted order to stop using that specific item, allowing the rest of the compliant, safe site operations to continue.