Figure 6. Frequency of environmental exposure, all workers, preproduction-testing estimates, 2015
Environmental condition Percentage of workers
Seldom Occasional Frequent Constant Present, duration unknown

Outdoors

 5.8 14.1 2.8 3.3 11.9

Wetness

 4.0 12.0 1.1 0.9 12.4

Proximity to moving mechanical parts

 1.4 4.2 1.1 3.0 5.6

Fumes, noxious odors, dusts, gases

 1.7 3.1 0.4 1.5 3.6

Extreme heat

 0.6 2.0 0.4 0.5 2.8