According to OSHA, what is the permissible exposure limit for carbon monoxide over an 8-hour period?

The permissible exposure limit (PEL) for carbon monoxide as established by OSHA (Occupational Safety and Health Administration) is indeed 50 parts per million (PPM) over an 8-hour work period. This limit is designed to protect workers from the harmful effects of carbon monoxide, which can include symptoms such as headaches, dizziness, confusion, and even life-threatening conditions at higher concentrations.

The 50 PPM limit is based on extensive research into the effects of carbon monoxide on health and safety, taking into account both acute and chronic exposure risks. This makes it essential for workplaces to monitor and maintain carbon monoxide levels to ensure they remain at or below this threshold to ensure the safety of employees working in potentially hazardous environments.