An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

EPA National Library Network

Notice:  EPA Libraries are suspending in-person visits by the public until further notice. MORE

The EPA National Library Network provides information resources and services to EPA staff and the public to support the mission of the EPA.