摘要: The Emission Factor and Inventory Group (EFIG) annually produces a publication onthe trends in emissions of criteria pollutants. The emission estimates developed and included in the Emission Trends database have been utilized to s... 展开 The Emission Factor and Inventory Group (EFIG) annually produces a publication onthe trends in emissions of criteria pollutants. The emission estimates developed and included in the Emission Trends database have been utilized to support development of the National Particulates Inventory, in support of recent evaluations of the particulate matter and ozone NAAQS, in support of the National Air Toxics Assessment, and to satisfy requirements under CAAA406(g) Included in this report are criteria, toxics, biogenics, greenhouse gases, and international criteria emission estimates. 收起