Lead exposure to workers in the immediate vicinity of remilling operations used in this study was found to be less than one-tenth that of the OSHA permissible exposure limit
for indoor lead exposure.
OSHA is proposing its eight-hour permissible exposure limit
be reduced from 2 micrograms per cubic meter of air to 0.
As originally proposed, the rule called for a reduced permissible exposure limit
of one part formaldehyde per million parts of air as an eight hour time weighted average.
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.
Haw's findings are consistent with the results of 24 comprehensive air monitoring studies conducted by OSHA across numerous salons in 2010 which showed that in each case exposure levels were safely below OSHA's Action Level (AL), Permissible Exposure Limit
(PEL) and Short Term Exposure Limit (STEL).
The new Silica PEL rule, which reduces the permissible exposure limit
(PEL) to silica in half, from 100 g (micrograms)/cu.
Stakeholders raised numerous concerns regarding OSHA's proposal at the rulemaking stage, presenting substantial evidence that a 50-microgram permissible exposure limit
(PEL) was technologically and economically infeasible.
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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.
According to Steve Smith, a supervising industrial hygienist with the California Occupational Safety and Health Administration, the permissible exposure limit
(PEL) for workers in the chrome-plating industry is set for airborne concentrations based on the average over an eight-hour workday.
The Occupational Safety and Health Administration permissible exposure limit
and the National Institute for Occupational Safety and Health (NIOSH)-recommended exposure limit is 0.