An employee’s exposure to an air contaminant regulated under 29 CFR 1910.100 and 1926.55 may not exceed this value. Often expressed as a time-weighted average (TWA). For example, the PEL for lead is 50μg/m3 as an 8 hour TWA.
An employee’s exposure to an air contaminant regulated under 29 CFR 1910.100 and 1926.55 may not exceed this value. Often expressed as a time-weighted average (TWA). For example, the PEL for lead is 50μg/m3 as an 8 hour TWA.