1. Pollution Prevention Act of 1990, 42 USC 13 101, US Government Printing Office (1990).
2. Clean Air Act as amended in 1990, PC 101-549, US Government Printing Office (1990).
3. Organic reactions in aqueous media - with a focus on carbon-carbon bond formation
4. US EPA, Environmental protection agency pollution prevention directive (1990).
5. US EPA, Guide to cleaner technologies, alternatives to chlorinated solvents for cleaning and degreasing, EPA/625/R-93/016. Office of Research and Development, Washington, DC (1994).