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. Author manuscript; available in PMC: 2014 Jun 4.
Published in final edited form as: J Expo Sci Environ Epidemiol. 2013 Aug 28;24(1):82–88. doi: 10.1038/jes.2013.47

Figure 1.

Figure 1

Percent of Person-years in Recent (within the last year) PM2.5 Exposure Categories shown in Overlapping Distributions for Fabrication and Smelting Processes in an Aluminum Manufacturing Cohort followed from 1998 through 2008. (Exposures above 5 mg/m3 lumped into top category.)