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The permissible exposure level of lead is 50ug/m3.
Permissible Exposure Limit
The Permissible Exposure Limit (PEL) for hydrogen chloride (the gaseous form of hydrochloric acid) is 5 ppm, or 7 mg/m3, as a ceiling limit. This limit applies to airborne vapor concentrations, not to skin contact with a liquid form of this material.
The permissible exposure limit of OSHA is 1 ppm.
20 µg/m3
OSHA
The OSHA Limit (PEL or Permissible Exposure Limit) is that concentration of a hazardous material in air above which an employee may not be exposed without violating the OSHA regulation on employee exposure. Most OSHA limits were taken from consensus exposure standards in place in 1970 and have not been revised to take notice of knowledge that has been developed since then.
Permissible Exposure Limits (PELs) are maximum permitted exposure levels established by the US Occupational Safety and Health Administration (OSHA).
Permissible Exposure Limits (PELs) are limits of occupational exposure to hazardous chemicals that have been established by the US Occupational Safety and Health Administration (OSHA).
Permissible Exposure Limits (PELs) are maximum permitted exposure levels established by the US Occupational Safety and Health Administration (OSHA).
Permissible exposure limits are levels of exposures permitted by OSHA, the US Occupational Safety and Health Administration.
3 percent