Final answer:
The action level for formaldehyde exposure level readings refers to the concentration at which measures need to be taken to reduce exposure. The OSHA PEL for formaldehyde is 0.75 ppm as an 8-hour TWA.
Step-by-step explanation:
The action level for formaldehyde exposure level readings refers to the concentration at which measures need to be taken to reduce exposure. In the given information, no specific action level for formaldehyde is mentioned.
However, it is important to note that various organizations, such as the Occupational Safety and Health Administration (OSHA), have established permissible exposure limits (PELs) for formaldehyde.
The OSHA PEL for formaldehyde is 0.75 parts per million (ppm) as an 8-hour time-weighted average (TWA).