Impact Characterization in the Tool for the Reduction and Assessment of Chemical and Other Environmental Impacts: Methods for Acidification, Eutrophication, and Ozone Formation

Gregory A. Norris

Journal of Industrial Ecology, 2002, vol. 6, issue 3‐4, 79-101

Abstract: The tool for the reduction and assessment of chemical and other environmental impacts (TRACI) is a set of life‐cycle impact assessment (LCIA) characterization methods that has been developed by a series of U.S. Environmental Protection Agency research projects. TRACI facilitates the characterization of stressors that may have potential effects, including ozone depletion, global warming, acidification, eutrophication, tropospheric ozone (smog) formation, eco‐toxicity, human particulate effects, human carcinogenic effects, human non‐carcinogenic effects, fossil fuel depletion, and land‐use effects. This article describes the methodologies developed to address acidification, eutrophication, and smog. Each of these methods offers the ability to take account of differences in expected strength of impact as a function of pollution release location within North America. Specifically, the methods employ regionalized fate and transport modeling. The resulting factors differ regionally by up to more than an order of magnitude.

Date: 2002
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