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Encyclopedia > Permissible Exposure Limit

The Permissible Exposure Limit (PEL or OSHA PEL) is a legal limit in the United States for personal exposure to a substance, usually expressed in parts per million (ppm). Workers may not be exposed to greater than this concentration during any eight-hour workshift. Permissible Exposure Limits are defined by the Occupational Safety and Health Administration (OSHA).


  Results from FactBites:
 
NIOSH/1988 OSHA PEL Project Documentation | CDC/NIOSH - 517 (87 words)
OSHA sets permissible exposure limits (PELs) to protect workers against the health effects of exposure to hazardous substances.
PELs are regulatory limits on the amount or concentration of a substance in the air.
The PEL database is derived from OSHA comments from the January 19, 1989 Final Rule on Air Contaminants Project extracted from 4FR2332 et.
1910.1018 Inorganic arsenic. (6663 words)
This section applies to all occupational exposures to inorganic arsenic except that this section does not apply to employee exposures in agriculture or resulting from pesticide application, the treatment of wood with preservatives or the utilization of arsenically preserved wood.
The employer shall establish regulated areas where worker exposures to inorganic arsenic, without regard to the use of respirators, are in excess of the permissible limit.
The determination of exposures prior to the effective date of this standard shall be based upon prior exposure records, comparison with the first measurements taken after the effective date of this standard, or comparison with records of exposures in areas with similar processes, extent of engineering controls utilized and materials used by that employer.
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