The sources and relative sizes of dioxin discharges to air in New Zealand

Textual description of figure

Waste combustion (56%):

• Landfill fires (39%)
• Domestic waste burning (11%)
• Medical waste incineration (6%)
• Other waste sources (<0.2%)

Fuel combustion (31%):

• Domestic wood combustion (15%)
• Industrial coal combustion and use (8%)
• Industrial wood combustion (5%)
• Vehicle emissions (2%)
• Domestic coal combustion (1%)
• Used oil combustion (<0.1%)

Metallurgical production and processing (5%):

• Non-ferrous metals (5%)
• Iron and steel (0.4%)

Other sources (8%):

• Accidental fires (7%)
• Crematoria (0.7%)
• Minor miscellaneous sources (<0.2%)