U.S. EPA’s Central Data Exchange (CDX) will be performing some planned system maintenance on Friday, June 3, 2022 between 7:00 PM –  9:00 PM Eastern time. During that window, users of the Exchange Network, CDX Web, and Shared CROMERR Services may experience intermittent outages.

Should you have any questions, please contact the Exchange Network Help Desk at 1-888-890-1995 or [email protected]