| User Contact Information |
| User Administration |
| Contacts for user-related administrative questions. |
| 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. |
| Beamline Directory |
| Directory of beamlines, with links to data pages giving technical and contact details. |
| Sectors Directory |
| Sector building numbers, direct telephone numbers for beamline work areas, and associated XSD groups/CATs. |
| APS Building Managers |
| APS Contact Information |
| User Inquiries: For all issues related to user access, proposals, etc. |
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| General Inquiries about the APS (for user-related questions, see above) |
| Floor Coordinator on Duty |
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| Main Control Room |
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| Safety Manager |
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| Building Managers |
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| Media Contact |
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| Webmaster |
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| Mailing Address |
| Advanced Photon Source Argonne National Laboratory 9700 S. Cass Avenue, Building 401, Rm. A4113 Lemont, IL 60439 |