Occupational Noise

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Subpart G
Occupational Noise Exposure
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Subpart G Occupational Health and Environmental
Controls
1910.95 Occupational noise exposure
1910.95(a) Protection against the effects of
noise exposure shall be provided when the sound
levels exceed those shown in Table G-16 when
measured on the A scale of a standard sound level
meter at slow response
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Noise Meter and Calibrator
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Examples of Hearing Protectors
Earmuffs
Earplugs
Canal Caps
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Examples of DifferentNoise Reduction Ratings
NRR 35 Decibels
NRR 29 Decibels
NRR 22 Decibels
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Jack hammers liberate continuous noise even
though they are doing impact work. Notice he is
wearing ear muffs for his hearing protection!