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Did you know? Prolonged use of equipment that emits noise levels above 85 decibels (dB) can cause permanent hearing damage, so it’s crucial that everyone uses proper hearing protection.
A decibel is a unit that measures the loudness of sound. A chainsaw has a sound intensity of about 109dB; without proper hearing protection, running a chainsaw for only two minutes can cause permanent hearing damage or hearing loss.
The graph below shows the time it takes to cause permanent hearing damage for each approximate sound intensity.
How to Prevent Hearing Damage
A good rule of thumb for sound intensity is if you need to raise your voice to be heard an arm’s length away from you, the noise is likely loud enough to damage your hearing, so you should be wearing ear protection.
ACRT Arborist Training provides entry-level through advanced arborist classes and certifications for line clearance companies, government agencies, tree care companies, municipalities, and individuals around the nation.