Section 325.77103. Permissible exposure limits (PELs).

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(1) An employer shall assure that an employee is not exposed to an airborne concentration of benzene of more than 1 part of benzene per million parts of air (1 ppm) as an 8-hour, time-weighted average (TWA).

(2) An employer shall assure that an employee is not exposed to an airborne concentration of benzene of more than 5 ppm averaged over any 15-minute period as a short-term exposure limit (STEL).

History: 1989 AACS.

                    
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