Cal/OSHA enforces its PELs in workplaces under its jurisdiction. Cal/OSHA has established occupational exposure limits for compounds not included in the OSHA Z Tables. Please see Cal/OSHA Table AC-1 for additional limits, the most current limits, …

OSHA recognizes that many of its permissible exposure limits (PELs) are outdated and inadequate for ensuring protection of worker health. Most of OSHA's PELs were issued shortly after adoption of the Occupational Safety and Health (OSH) Act in 1970, and have not been updated since that time.

1 The PELs are 8-hour TWAs unless otherwise noted; a (C) designation denotes a ceiling limit. They are to be determined from breathing-zone air samples. (a) Parts of vapor or gas per million parts of contaminated air by volume at 25 °C and 760 torr.

The permissible exposure limit (PEL or OSHA PEL) is a legal limit in the United States for exposure of an employee to a chemical substance or physical agents such as high level noise. Permissible exposure limits were established by the Occupational Safety and Health Administration (OSHA).

2021年9月30日 · PELs also refer to the legal limits on noise exposure in the workplace. OSHA requires employers to implement a hearing conservation program when noise exposure is at or above 85 decibels averaged over eight working hours, or an eight-hour time-weighted average.

2011年9月28日 · OSHA sets permissible exposure limits 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.

2023年7月26日 · The Permissible Exposure Limit (PEL) OSHA refers to the maximum allowable concentration or level of a substance that workers can be exposed to over a specific time period without experiencing adverse health effects.

The PEL or OSHA PEL is a legal, regulatory limit on the quantity or concentration an employee can be exposed to, such as Respirable Crystalline Silica (RCS) in the air. The levels are usually based on an average weighted time (TWA) of eight hours, although some levels are based on short-term exposure limits (STEL).

2024年12月29日 · An OSHA permissible exposure limit (PEL) refers to the maximum amount or concentration of a substance that a worker can be exposed to under OSHA regulations.

2023年8月6日 · Radiation: Ionizing Radiation: OSHA’s PEL is 0.05 rem (0.5 mSv) per calendar quarter. Non-Ionizing Radiation: Specific PELs can vary based on frequency and source. Vibration: OSHA doesn’t have specific PELs for vibration, but guidelines exist to minimize exposure, particularly for hand-held workers.