Leaf Blowers & Yard Vacuums: CFM vs. MPH

What OSHA decibel (dBA) rating threshold requires operator hearing protection when running gas backpack blowers?

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 Correct Incorrect85 dBA. Commercial gas blowers often emit well above 85 dBA at the operator's ear, making hearing protection strongly advised to prevent permanent sensorineural hearing loss.

What OSHA decibel (dBA) rating threshold requires operator hearing protection when running gas backpack blowers?

• 50 dBA (quiet library)
• 60 dBA (normal conversation)
• 120 dBA (jet takeoff only)
• 85 dBA (OSHA 8-hour action level; commercial gas blowers often exceed it)