User Contacts
New to the APS?
- How to Become an APS User
- If you need any assistance, please contact the APS User Office
(630) 252-9090 apsuser@aps.anl.gov
Beamline phone numbers
Direct telephone numbers for all APS beamlines.
User Administration
Contacts for user-related administrative questions (User Office, user accounts, user agreements).
Sectors Directory
Websites maintained by individual sectors, with technical details and contacts.
Floor Coordinators (User ESH Support)
Contacts for operational and safety support for users.
Safety Staff
Contacts for specific safety concerns, e.g., hazardous or radioactive materials, chemical exposure, electrical safety, hoisting and rigging.
User Outreach Scientist
Jyotsana Lal
(630) 252-6042
Floor Coordinator on Duty
- 630-252-0101 (on-call pager)
- From on-site phone: 2-0101
General Inquiries
- apsuser@aps.anl.gov
- (630) 252-9090
- 8:30am-5:30pm, Monday-Friday
Media Contact
- Rick Fenner
- (630) 252-5280
Webmaster
- Kelly Cunningham
- (630) 252-0619
Mailing Address
Advanced Photon Source
Argonne National Laboratory
Building 401
9700 S. Cass Avenue
Argonne, IL 60439