All visitors to Argonne require appropriate authorization before they are allowed on the Argonne
site.
- For information regarding site access for a U.S. citizen please contact the Argonne
Information Center at (630) 252-5755.
- Site access for foreign nationals who do not already have site access approval requires the
completion of a Visit/Assignment Request form (593) and 7- to 30-day advance notice to process the
request. For information about
site access by a foreign
national, call the Foreign Visit and Assignment Office at ext. 2-1142.
The laboratory's site-access policy supports its obligation to assure that classified and
sensitive technologies, equipment and information are controlled in compliance with the applicable
regulations.