
Introduction
Many workplaces rely too heavily on PPE. However, PPE is the last line of defense, not the first. The hierarchy of controls helps organizations manage risk effectively.
The 5 Levels of the Hierarchy of Controls
1. Elimination (Most Effective)
Remove the hazard entirely.
Example: Designing out work at height.
2. Substitution
Replace with something safer.
Example: Using water-based paint instead of solvent-based paint.
3. Engineering Controls
Isolate people from the hazard.
Example: Guardrails, machine guards, ventilation.
4. Administrative Controls
Change the way people work.
Example: Procedures, training, permits.
5. PPE (Least Effective)
Protect the worker directly.
Example: Helmets, gloves, respirators.
Common Mistake
Relying on PPE alone gives a false sense of safety.
Key Takeaway
Effective safety starts at the top of the hierarchy, not the bottom.

