1. Design for the Environment Program, U.S. Environmental Protection Agency, 1200 Pennsylvania Avenue, NW, Washington, DC 20460, United States, Abt Associates Inc., 4550 Montgomery Avenue, Suite 800 North Bethesda, Maryland 20814, United States, Clean Production Action , and Hewlett-Packard Company, 1501 Page Mill Road, Palo Alto, California 94304, United States