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. Author manuscript; available in PMC: 2022 Jan 20.
Published in final edited form as: J Expo Sci Environ Epidemiol. 2021 Jul 20;31(5):923–929. doi: 10.1038/s41370-021-00371-z

Figure 1.

Figure 1.

CO exposure by job task, crew type, and perceived smoke exposure for selected WFFs during a single shift. CO concentrations exceeding 250 ppm are not shown in the plots but occurred for 16 minutes during the Whittier fire, and for 1 minute for during the Superior, Cedar (Type II), and Modoc July Complex fires.