QUESTION What is the hierarchy of hazard controls measures in relation to respiratory PPE?

1. Respiratory prevention program, air purifying respirator (APR), Elimination substitution.
2. Supplied air respirators, engineering controls, respiratory prevention program.
3. Administrative/work practice controls PPE, air purifying respirators (APR), respiratory prevention program.
4. Elimination/substitution, Engineering controls, Administrative/work practice controls, PPE.

ANSWER

4. Elimination/substitution, Engineering controls, Administrative/work practice controls, PPE.

WHY IS IT RIGHT Respiratory hazards are invisible and can have severe impact on the health and safety of a worker. A respiratory hazard can be a particulate, gas or vapor, and include airborne contaminants, biological contaminants, dusts, mists, fumes, and gases, […]