Chapter 4123:1-3 - Ohio Administrative Code | Ohio Laws
2001-1-3 · Protective clothing or equipment shall be worn as specified in rule 4123:1-3-03 of the Administrative Code. (7) Hearing protection. Employees exposed to a time-weighted average (TWA) of noise levels of ninety or more decibels (>90dBA TWA) slow response shall be provided with approved hearing protection. (8) Drilling.
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