Section 325.51453. Permissible exposure limits (PEL).

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(1) An employer shall ensure that an employee is not exposed to an airborne concentration of formaldehyde at a level of more than 0.75 parts of formaldehyde per million parts of air (0.75 ppm) as an 8-hour, time-weighted average (TWA).

(2) An employer shall ensure that an employee is not exposed to formaldehyde at a level of more than 2 parts of formaldehyde per million parts of air (2 ppm) during any 15-minute period. This is designated as a short-term exposure limit (STEL).

History: 1990 AACS; 1993 AACS.

                    
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