This report describes updates to the EPA’s Atmospheric and Health Effects Framework (AHEF), which models adverse human health effects associated with a depleted stratospheric ozone layer. The AHEF is updated regularly to reflect new information and science. The updates presented in this report incorporate new values for ODS characteristics and an updated global emissions profile.

• Updating Ozone Calculations and Emissions Profiles for Use in the Atmospheric and Health Effects Framework Model (PDF)(38 pp, 1 MB)