2018v2 Emissions Modeling Platform Technical Support Document
This TSD describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) to represent the year of 2018 for the 2024 Particulate Matter National Ambient Air Quality Standards (PM NAAQS). This document focuses on the emissions modeling data and techniques including the emission inventories, the ancillary data files, and the approaches used to transform inventories for use in air quality modeling.