What is OSHA's action level for lead exposure?

The action level for lead exposure as set by OSHA (Occupational Safety and Health Administration) is significant in the context of workplace safety and health regulations. The action level is defined as the exposure limit that triggers additional safety measures to protect workers, including monitoring and implementing controls when lead exposure reaches this level.

In this case, OSHA's action level is established at 30 micrograms per cubic meter (mg/m³) of air over an average of eight hours. This standard aims to minimize the health risks associated with lead exposure, which can have serious effects on multiple body systems, particularly the nervous system, and can lead to long-term health issues.

In this context, the other provided options do not align with OSHA's established standards for lead exposure action levels. Therefore, selecting 30 mg/m³ reflects a proper understanding of the regulations intended to ensure safe workplace conditions regarding lead exposure.