Polycyclic Organic Matter Total Emissions 1999

30% Residential Wood Heating

2% Industrial/Commercial/ Institutional Boilers & Process Heaters

9% Other Categories (446 categories)

28% Open Burning - Prescribed and and Wild Fires

19% Primary Aluminum Production

3% Open Burning - Residential, Household Waste

3% Mobile Onroad

4% Open Burning - Scrap Tires

2% Mobile Nonroad