Table 2.

Variable Summaries and Calibrations

Variable	Data Source	Calibration (Fuzzified Score)
Dependent Variables
Highly Risky Emissions	RSEI	exp(2*z_score)/(1+ exp(2*z_score))
Not Highly Risky Emissions	RSEI	Negation of above
Key Independent Variables
African American	U.S. Census	1% = .05, 15% = .5, 99% = .95
Latino	U.S. Census	1% = .05, 15% = .5, 99% = .95
Household Income	U.S. Census	10000 = .05, 25000 = .5, 100000 = .95
Facility Size	Dun and Bradstreet	15 = .05, 500 = .5, 1000 = .95
Branch Plant	Dun and Bradstreet	No = 0, Yes = 1.0
Subsidiary	Dun and Bradstreet	No = 0, Yes = 1.0
Controls
Percent Manufacturing	U.S. Census
Metropolitan Area	U.S. Census
Median Property Value	U.S. Census
Sub-industry Dummies	TRI
Chemicals On-Site	TRI