New Hampshire Noise laws & safety compliance analysis

New Hampshire Noise: What you need to know

New Hampshire does not have a federally approved occupational safety and health regulatory program for the state; therefore, private sector workplaces must comply with federal occupational safety and health standards.

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The state has adopted its own noise protection (hearing conservation) rule for public sector employers (state, county, and local government agencies, commissions, and school systems) in general industry workplaces that is substantially less comprehensive than the federal rule.

The U.S. Department of Labor/Occupational Safety and Health Administration (OSHA) administers and enforces federal workplace safety and health requirements in private sector workplaces. The New Hampshire Department of Labor/Safety and Training Division administers safety and health rules for public sector workplaces.

Public Sector-Noise Exposure
NH Regulations-Labor 1403.38

Protection against the effects of occupational noise exposure must be provided when the sound levels exceed those shown in the Permissible Noise Exposures table. See the national Noise topic, OSHA Table G-16, for the sound level limits.

Employers must use feasible engineering or administrative controls to keep exposure below the allowable limit.

When engineering or administrative controls fail to reduce the noise level to within the permissible noise levels, personal protective equipment must be provided and used to reduce the noise to an acceptable level.

Exposure to impulsive or impact noise should not exceed 140 decibels peak sound pressure level.


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