lesson
Noise Reduction Rating (NRR) and Hearing Protection
Explain the Noise Reduction Rating developed by the EPA and how it guides hearing protection selection.

Explain the Noise Reduction Rating developed by the EPA and how it guides hearing protection selection.
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9th Grade · Technology · TEKS
9 lessons
Identify and describe hazard control strategies for noise exposure, emergency eyewash and shower use, HVAC systems, and indoor air quality in occupational settings.