Permissible Exposure Limit (PEL) is the maximum level of a specific airborne hazard that an employee can be exposed to over an 8-hour period.
Assigned Protection Factors (APF) is the workplace level of respiratory protection a respirator will provide.
Maximum Use Concentrations (MUC) is the maximum atmospheric concentration of a hazardous substance.
You must select a respirator that meets or exceeds the required level of employee protection!
