Environmental injustice and inequality metric mean (population-weighted mean) [range].

1Larger positive differences indicate greater injustice (concentrations are higher for low-income nonwhites than for high-income whites). A negative value denotes concentrations being lower for low-income nonwhites than for high-income whites.2Larger Atkinson Indices indicate greater inequality. Inequality aversion coefficient: ε = 0.75.3This analysis excludes counties that consist of 1 Block Group (n = 29; total population = 21,500 people) or contain 0 low-income nonwhites and/or 0 high-income whites (n = 16; total population = 65,800 people).