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| ![](https://webarchive.library.unt.edu/eot2008/20081106111213im_/http://yosemite.epa.gov/icons/ecblank.gif) | Search entire abstracts |
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| ![](https://webarchive.library.unt.edu/eot2008/20081106111213im_/http://yosemite.epa.gov/icons/ecblank.gif) | Choose pollutants from a pull-down menu. You may also choose to search for major, area, or mobile emissions. |
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| ![](https://webarchive.library.unt.edu/eot2008/20081106111213im_/http://yosemite.epa.gov/icons/ecblank.gif) | Choose the risk and/or assessment type from a pull-down menu. |
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| ![](https://webarchive.library.unt.edu/eot2008/20081106111213im_/http://yosemite.epa.gov/icons/ecblank.gif) | Find abstracts by keyword or keyword groups |
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