Welcome to the PERC, the education, publication and information gateway to EPA's Region 10 Office. Region 10's office is located in Seattle, Washington. With PERC you can find a variety of resources including the items listed on the right panel or you can contact us by phone or email listed below. | ![](https://webarchive.library.unt.edu/eot2008/20081106183035im_/http://yosemite.epa.gov/icons/ecblank.gif) |
Public Environmental Resource Center (PERC) |
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