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Inventory Collaborative 2016beta Emissions Modeling Platform

Release Timeline

  • March 1, 2019: 2016 base year data, software, and scripts
  • Est. April 2019: 2023 and 2028 projection year data



In late 2017, a group of state, regional, and federal air planning agencies initiated a collaborative process to build a national emissions modeling platform (EMP). The 2016beta EMP is first product that includes a full suite of base year (2016) and future year (2023 & 2028) inventories, ancillary emissions data, and scripts and software for preparing the emissions for air quality modeling.

A coordination workgroup, ten sector workgroups, and a modeling workgroup were staffed by state and regional air agency, and EPA OAQPS employees. The work of the sector workgroups to build 2016 base year and future year inventories is documented in a series of sector-specific specification sheets below. These specification sheets detail to origin of the inventory and ancillary data used to simulate criteria pollutant, and in many cases hazardous air pollutant, emissions for the U.S., Canada, and Mexico.


  • Biogenic - MEGAN
  • Biogenic - BEIS

  • Nonpoint
  • Nonpoint - Agriculture
  • Nonpoint - Ag/Fugitive Dust
  • Nonpoint - RWC

  • Oil & Gas - Nonpoint
  • Oil & Gas - Point

  • Point - EGU - ERTAC
  • Point - EGU - IPM
  • Point - non-IPM
  • Point - Fires - Agricultural
  • Point - Fires - Wild and Prescribed

  • Canada - Mobile - Onroad
  • Mexico - Mobile - Onroad
  • Canada/Mexico - Point
  • Canada/Mexico - Point - Fires
  • Canada/Mexico - Nonpoint


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Additional Analysis Products

Access 2016beta platform emissions summaries, including comparisons to previous (2011 and 2014) emissions modeling platforms and future year inventory projections.

LADCO Plot Viewer
Pre-generated, graphical emissions summaries included bar charts, thematic maps, and gridded maps

IWDW Emissions Review Tool
Interactive website with capabilities to generate customized bar charts and maps of the 2016beta and future year emissions

Collaborative 2016beta Google Drive
Folders by inventory sectors with zip files of tabulated SMOKE report emissions report files. See the zip file tagged "annual_reports" in each sector directory.