Anthropogenic source 1. Industry and enterprise (1)Fossil fuel burning: coal, petroleur (2) Emission from working process 2. Living cooking range and heating boiler 3. Traffic transport汽车尾气推放的污染物 4. Come from other environmental media 5. Other: untoward incident, garbage burningAnthropogenic source 1. Industry and enterprise (1) Fossil fuel burning: coal, petroleum (2) Emission from working process 2. Living cooking range and heating boiler 3. Traffic transport 汽车尾气排放的污染物 4. Come from other environmental media 5. Other: untoward incident, garbage burning