Permissible Exposure Limit: The OSHA permissible exposure limit (PEL) of 2 µg Be/m3 (8-hour, time-weighted average in air) has been adopted by the DOE in 10 CFR 850, and no worker shall be exposed at levels exceeding this limit. Any change in the OSHA PEL is automatically adopted in 10 CFR 850 and is also applicable to LLNL.
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