Employers should not rely on personal protective equipment (PPE) alone to control hazards when other effective control options are available. Employers should implement engineering and administrative controls first to reduce worker noise exposure.
Bad Assumptions About Hearing Protection -- Occupational Health & Safety
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NIOSH/Criteria for a Recommended Standard--Occupational Noise Exposure, 1998
Tips For Choosing The Right Hearing Protection Plant Tours
Leofoto Carbon Tripod LS-253CM Ranger Ballhead LH-30, 45% OFF
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File:GRAS Type 45CA Hearing Protector Test Fixture with Aviation Headphones - NIOSH Acoustics Laboratory.jpg - Wikimedia Commons
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Tips For Choosing The Right Hearing Protection Plant Tours
NIOSH/Criteria for a Recommended Standard--Occupational Noise Exposure, 1998