The TRACI 2.1 impact categories are available for users with a full Ecoinvent license.
Tool for the Reduction and Assessment of Chemical and other environmental Impacts (TRACI)
TRACI 2.1 (the Tool for the Reduction and Assessment of Chemical and other environmental Impacts) is an environmental impact assessment method developed by the U.S. Environmental Protection Agency.
It provides characterization factors for Life Cycle Impact Assessment (LCIA), industrial ecology, and sustainability metrics. Characterization factors quantify the potential impacts that inputs and releases have on specific impact categories in common equivalence units. Impact categories include:
TRACI 2.1 impact categories
List of the TRACI 2.1 impact categories and corresponding units.
kg SO2 eq
kg N eq
kg CO2 eq
Human health - cancer
Human health - non-cancer
Human health - particulate matter
PM 2.5 eq
kg CFC-11 eq
kg O3 eq
Viewing the TRACI 2.1 impact categories
Follow these instructions to learn how to view other impact categories.