Password Reset, Select Username, and Alternative Login Page

To register: receive your badge number from the APS User office AND be named on an approved, recent, LS-CAT safety form (ESAF)

Unfortunately your APS and/or Argonne password is unrelated to your LS-CAT password. Click the Reset Password button below to discover your LS-CAT password.

Note: Most Mondays LS-CAT remote services are unavailable for a few hours to perform routine maintenance.