This Network Update was distributed via the Exchange Network email alerts list on December 5, 2007.

Exchange Network Test Environment Currently Unavailable
The test environment of EPA's Central Data Exchange Node and Network Authentication and Authorization Service (NAAS) is currently unavailable. Telecommuncations services and email to the Exchnage Network Help Desk have also been interrupted. CDX is currently working to resolve the issue. In the interim, if you require asistance fromthe Exchnage Network Help Desk, please email Joe Carioti at gcarioti@csc.com.

More updates will follow as information becomes available.