permissible exposure limit

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per·mis·si·ble ex·po·sure lim·it

an occupational health standard to safeguard workers against dangerous contaminants in the workplace.
References in periodicals archive ?
As stated earlier, the OSHA permissible exposure limit for indoor lead exposure is 50 [micro]g/[m.sup.3] averaged over an 8-hour work shift.
Permissible exposure limits (PELs) for OSHA-regulated subtances or recommended PELs for other chemicals used in your lab.
OSHA is proposing its eight-hour permissible exposure limit be reduced from 2 micrograms per cubic meter of air to 0.2 micrograms per cubic meter.
The National Institute for Occupational Safety and Health, which conducts research on workplace safety, has no recommended exposure limit guidelines for nanomaterials, and the Occupational Safety and Health Administration has no permissible exposure limit specific to engineered nanomaterials.
For most of the past 45 years, wood dust has been regulated by the Occupational Safety & Health Administration as a "nuisance dust" with a permissible exposure Limit of 15mg/[m.sup.3].
But there is a permissible exposure limit (PEL) for silica at construction sites; the PEL is based on the use of an obsolete field and laboratory procedure for evaluating air samples.
In May 1989, OSHA proposed a permissible exposure limit (PEL) of 10 ppm.
The letter stated: "Although organized pathology opposes the imposition of mandatory STELs, we propose that laboratories be allowed to choose either a STEL or a permissible exposure limit (PEL) sampling strategy.
OSHA is enforcing the permissible exposure limit of 0.2 micrograms of beryllium per cubic meter of air and the short-term exposure limit of two micrograms per cubic meter of air for general industry.
Occupational Safety and Health Administration (OSHA) will soon publish a final workplace exposure standard for crystalline silica that will cut the permissible exposure limit in half.
The Occupational Safety and Health Administration (OSHA) permissible exposure limit for vinyl chloride is 1 part per million, based on an 8-hour time-weighted average (4).
Lincoln says the new standard lowers OSHA's permissible exposure limit (PEL) for hexavalent chromium, and for all Cr(VI) compounds, to five micrograms of Cr(VI) per cubic meter of air as an eight-hour time-weighted average.