An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Chemical Data Reporting

CSPP CDX Registration Guide

The Central Data Exchange (CDX) is a system used for many electronic environmental data submissions to the U.S. Environmental Protection Agency (EPA). CDX allows users submitting data to the EPA to register for the specific program of interest. This Registration Guide describes the registration process and information requirements associated with Submissions for the Chemical Safety and Pesticide Programs (CSPP).
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.