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Multimedia, Multipathway, and Multireceptor Risk Assessment (3MRA) Model

EPA Designated Federal Officer (DFO):Kathleen White

Responsible Committee/Panel:Multimedia Multipathway Multireceptor Risk Assessment (3MRA) Modeling System Panel
A list of members can be found in the final report included in the Advisory Activity linked to this panel or committee.

PLEASE NOTE: Some of the items mentioned in this page are in Adobe's Portable Document Format (PDF). To view or print them you will need to have the Adobe Acrobat Reader program installed on your computer. The Reader can be downloaded and used with no charge. Click here for more information from EPA on PDF files.


EPA’s Office of Research and Development and Office of Solid Waste requested a review of the 3MRA modeling system, because 3MRA represented the first comprehensive and integrated risk assessment technology for assessing human health and enviornmentla impacts related to programs under the Resource Conservation and Recovery Act. The goal of 3MRAl was to provide a flexible and consistent tool for estimating the distributions of the probability of exceeding adverse effect benchmarks.

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