Figure 7. Average time exposed to selected environmental conditions, all workers, preproduction-testing estimates, 2015
Environmental Condition Hours per workday(1)

Proximity to moving mechanical parts

 3.1

Fumes, noxious odors, dusts, gases

 2.4

Extreme heat

 2.2

Humidity

 1.8

Outdoors

 1.8

Heavy vibration

 1.7

High, exposed places

 1.3

Wetness

 1.1

Toxic, caustic chemicals

 1.1

Extreme cold

 0.4
(1) A workday is the worker’s average number of scheduled hours per day at work and may vary with the occupation or occupational group. The workday is not standardized to 8 hours.