What is the OSHA maximum permissible concentration for radon?

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Multiple Choice

What is the OSHA maximum permissible concentration for radon?

Explanation:
Radon exposure in the workplace is controlled by an exposure limit that defines the maximum average concentration workers can be exposed to during a standard work period. For radon, OSHA sets this limit at 100 pCi/L as an 8-hour time-weighted average. This value represents the point at which employers must implement controls and monitoring to keep exposures below it, reflecting the health risk radon poses from inhalation over a work shift. The 4 pCi/L figure is the commonly cited EPA action level for homes, not an OSHA workplace standard, so it isn’t the OSHA PEL. The other two numbers are not the OSHA permissible exposure limit for radon. Thus, the 100 pCi/L level is the OSHA maximum permissible concentration.

Radon exposure in the workplace is controlled by an exposure limit that defines the maximum average concentration workers can be exposed to during a standard work period. For radon, OSHA sets this limit at 100 pCi/L as an 8-hour time-weighted average. This value represents the point at which employers must implement controls and monitoring to keep exposures below it, reflecting the health risk radon poses from inhalation over a work shift.

The 4 pCi/L figure is the commonly cited EPA action level for homes, not an OSHA workplace standard, so it isn’t the OSHA PEL. The other two numbers are not the OSHA permissible exposure limit for radon. Thus, the 100 pCi/L level is the OSHA maximum permissible concentration.

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