Adjusting Occupational Exposure Limits for Extended Work Shifts

OSHA currently has two standards in which the PEL is adjusted based on the length of the work shift, both of which are lead standards:

29 CFR 1910.1025 29 CFR 1926.62

All other PELs are based upon 8-hour time weighted average (TWA), a short term exposure limit (STEL), or a ceiling limit (C).

The […]