1. a Department of Chemical Engineering , University of California , Los Angeles , California , USA
2. b WRITAR , Minneapolis , Minnesota , USA
3. c Amoco Corporation , Chicago , Illinois , USA
4. d Pilko & Associates , Houston , Texas , USA
5. e AIChE, Center for Waste Reduction Technologies , New York , New York , USA
6. f Preventive Environmental Management Services Resource Policy Institute , Los Angeles , California , USA
7. g Hirschhorn & Associates, Inc. , Lanham , Maryland , USA
8. h Risk Reduction Engineering Laboratory U.S. Environmental Protection Agency , Cincinnati , Ohio , USA