This Network Update was distributed via the Exchange Network email alerts list on May 22, 2008.

Maintenance Scheduled for U.S. EPA's Central Data Exchange

U.S. EPA's Central Data Exchange (CDX) will be undergoing routine maintenance from 5:00 AM EDT on May 31st through 3:00 AM EDT on June 1st, 2008. During this time, the CDX Node and the Network Authentication and Authorization Service (NAAS) may be intermittently unavailable in the production environment. We apologize for any inconvenience this causes Exchange Network partners.