Around the dioxin / furan issues of Energy-from-Waste facilities.
See the United States Environmental Protection Agency
(USEPA) Air Pollution Training Institute (APTI) manual on the
characteristics, formation and control of dioxins and furans. The following
are links to 1-page explanations. For your info:
http://www.epa.gov/eogapti1/module6/dioxins/character/character.htm
http://www.epa.gov/eogapti1/module6/dioxins/formation/formation.htm
http://www.epa.gov/eogapti1/module6/dioxins/control/control.htm