Benzofurans - toxicity, Polychlorinated Dibenzodioxins - metabolism, Air Pollutants - analysis, Air Pollution - prevention & control, Polychlorinated Dibenzodioxins - analysis, Biomass, Urea - chemistry, Waste Management - methods, Polychlorinated Dibenzodioxins - analogs & derivatives, Benzofurans - analysis, Incineration, Coal, Polychlorinated Dibenzodioxi...