permissible exposure limit

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permissible exposure limit

[pər¦mis·ə·bəl ik′spō·zhər ‚lim·ət]
(industrial engineering)
The level of air contaminants that represents an acceptable exposure level as specified in standards set by a national government agency; generally expressed as 8-hour time-weighted average concentrations. Abbreviated PEL.
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References in periodicals archive ?
Figure 1 shows the percent of employees personally monitored that were found to be in compliance with the OSHA PEL for CO each year.
The best available science, to our understanding, shows that the current OSHA PEL for quartz of 100 micrograms per cubic meter of air is appropriate to protect against silica-related disease, provided it is adhered to strictly.
25 hour work period, unprotected, would result in an exposure level less than the OSHA PEL of 0.
An OSHA plant inspection conducted after the diagnosis of pulmonary fibrosis in the process helper documented one airborne cobalt level at 90% of the OSHA PEL.
If exposures are detected that approach or exceed the OSHA PEL, it is advisable to proceed directly to real-time engineering sampling methods.
However, neither method reduces worker lead exposures to levels below the OSHA PEL.
Stack testing was undertaken on two dust collectors, and silica exposure results indicate control well within the OSHA PEL.