1. 1. This paper was originally presented based on the contents of EPA'sproposedrule (Federal Register, 1993 , pp.54190 -54219 ).The finalrule has since been issued (Federal Register, June 20, 1996, pp.54190 -54219 ). This paper has been updated to reflect the contents of the final rule.
2. 2. "List of Regulated Substances and Thresholds for Accidental Release Prevention ,"Federal Register, 1994 , pp.4478 -4501 . Amendments to this list rule are contained in theFederal Register, June 20, 1996, pp.4478 -4501 .
3. 3. Under the final version of the rule implementing 112(r) of the CAAAs (Federal Register, 1993 , pp.54190 -54219 ) the number of regulated facilities is estimated to be approximately 66,000. Earlier versions of that rule were estimated to effect over 100,000.
4. 4. The two other Federal laws related to prevention of accidental chemical releases are the Occupational Safety and Health Administration (OSHA) Process Safety Management (PSM) Standard, M. S. Baram, and D. G. Partan (Federal Register, February 24, 1992, p. 6356) and Title III of the Superfund Amendment and Reauthorization Act of 1986 (SARA Title III, also known as the Emergency Planning and Community Right-to-Know Act (EPCRA)). For a discussion of the provisions of EPCRA, see M. S. Baram, "Risk Communication Law and Implementation Issues in the United States and the European Community,"in), Corporate Disclosure of Environmental Risks (Butterworth Legal Publishers, 1990 ), p.65 .
5. 5. W. K. Viscusi , Risk by Choice: Regulating Health and Safety in the Workplace (Harvard University Press, Cambridge, MA, 1983 ), p.4 .