1. Vidovic, Martina, and Neha Khanna. 2003b. Reducing toxic releases through voluntary efforts: Incentives for participation in the 33/50 program and implications for the distribution of pollution. Paper prepared for Western Economic Association International 78th Annual Conference, Denver, Colo., July 11–15
2. U.S. House. 1999a. Committee on Commerce. Subcommittee on Health and Environment and Subcommittee on Oversight and Investigations. Joint Hearing on internet posting of chemical “worst case” scenarios: A roadmap for terrorists. 106th Cong., 1st sess. 10 February
3. U.S. Environmental Protection Agency. Office of Policy Analysis. 1992a. Environmental equity: Reducing risk for all communities. Volume 1: Workgroup report to the Administrator. Washington, D.C.
4. U.S. Environmental Protection Agency. Office of Policy Analysis. Office of Pollution Prevention and Toxics. 1999a. 33/50 Program: The final record. Washington, D.C.
5. U.S. Senate. 1991. Committee on Environment and Public Works. Subcommittee on Superfund, Ocean, and Water Protection. Hearing on expansion of the right to know program. 102nd Cong., 1st sess. 27 June