In this study we investigate the spatial relationship between Superfun
d sites and the racial, ethnic, and economic characteristics of the ar
eas surrounding those sites in the state of Florida. Unlike many previ
ous environmental justice studies, we examine census tracts rather tha
n larger aggregates such as counties or zip codes. We also look at the
problem of environmental injustice longitudinally by analyzing Census
data from 1970, 1980, and 1990. Such an analysis not only allows us t
o detect potential environmental inequality, but also to postulate on
the nature and origins of this injustice. Overall, our findings indica
te that Blacks and Hispanics are more likely to live near Superfund ha
zardous waste sites, but income and poverty indicators do not predict
the location of sites. The spatial association between race, ethnicity
, and Superfund sites is increasing over time, leading us to conclude
that the likely cause of much of the recent environmental injustice un
covered in our results stems from indirect, rather than direct, forms
of discrimination.