Extrapolating Airborne Contaminant Results to Longer Shifts
Intuitively, you would think that an exposure limit such as the Threshold Limit Values (TLVs) from the American Conference of Governmental Industrial Hygienists (ACGIH) that are based on an 8-hour workday may not be protective for workers on a 12-hour shift. You would be right because there are two things that happen in this case.…
