APS Operational Statistics - Main Page

Welcome to the home page for Argonne National Laboratory's Advanced Photon Source (APS) Operational Statistics. The APS is a third-generation synchrotron x-ray source that provides super-intense x-rays for basic and applied research in materials science, biology and medicine, chemistry, physics, geology, and environmental science. The APS was built by the U.S. Department of Energy as a national user facility.

This page provides access to operational statistics for the APS. Statistics have been kept beginning in the fourth quarter of FY 1996. These statistics are included in FY 1997 data.


Most Recent Downtime Info


Yearly Operation Statistics


Run History Statistics

These displays show the data from all runs beginning in FY 1998.



Definitions of statistics can be referenced by the following:

Comments and Disclaimer

flood@aps.anl.gov (Randy Flood)