§ 84.140 - Air velocity and noise levels; hoods and helmets; minimum requirements.

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§ 84.140 Air velocity and noise levels; hoods and helmets; minimum requirements.

Noise levels generated by the respirator will be measured inside the hood or helmet at maximum airflow obtainable within pressure and hose length requirements and shall not exceed 80 dBA.

                    
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§ 84.140 - Air velocity and noise levels; hoods and helmets; minimum requirements.

§ 84.140 Air velocity and noise levels; hoods and helmets; minimum requirements.