Residential Segregation and Estimated Cancer Risks Associated with Ambient Air Toxics
July 20, 2005
For this study, we assessed whether racial and economic disparities in estimated cancer risk associated with air toxics are mediated by levels of residential segregation in California. To analyze the relationship between pollution and health risk burdens with race-based residential segregation, we obtained modeled ambient air toxics concentration estimates from U.S. EPA's National Air Toxics Assessment (NATA) and combined these data with cancer potency information. We find that overall, estimated cancer risks associated with ambient air toxics are highest in counties that are highly segregated. Moreover, disparities between racial/ethnic groups are also higher in more segregated counties.
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