The maximum airborne concentration of a hazardous substance a worker can be exposed to over an 8-hour shift.
PEL
Definition
Permissible Exposure Limit
PEL means permissible exposure limit.
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Permissible Exposure Limit
PEL means permissible exposure limit.
The maximum airborne concentration of a hazardous substance a worker can be exposed to over an 8-hour shift.
You might also be looking for