Sort Controls By How Much They Depend On People

Sort each proposed action into the hierarchy level it mainly represents. Elimination/Substitution Engineering controls Administrative controls PPE Switch to a lower-vapor-pressure solvent after compatibility and quality review. Install a closed sampling loop instead of open bottle sampling. Repair local exhaust ventilation at the drum charging station. Rotate workers to limit time spent near the open cleaning tank. Require chemical goggles and face shield during caustic hose connection. Buy pre-diluted caustic so operators no longer perform manual dilution. Add a pre-job checklist for verifying drum grounding and bonding. Use respirators during interim work until enclosure is installed.

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