United States Environmental Protection Agency


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Welcome to the Environmental Protection Agency (EPA) Central Data Exchange (CDX) - the Agency's electronic reporting site. The Central Data Exchange concept has been defined as a central point which supplements EPA reporting systems by performing new and existing functions for receiving legally acceptable data in various formats, including consolidated and integrated data.
  • If you are new to CDX and wish to register, please click here.
  • If you already have a CDX ID and password, click here.
We strongly encourage users of this site to employ the most recent version of Internet Explorer (do not download a beta version of Internet Explorer), because 128-bit encryption support is standard with this release. Users employing an earlier version of Internet Explorer may update their encryption support to enable 128-bit encryption support at (http://www.microsoft.com/windows/ie/ie6/downloads/default.mspx).

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Last updated on December 29, 2006.
URL: http://www.epa.gov/epahome/usenotice.htm