Frequently Asked Questions (FAQs)

  • My badge expires soon. What should I do?


    Be sure your required training is currrent, then go to the VUE Center, room 1030. Please bring your old badge with you.

  • What is needed to enter the security gate at SLAC?

    Question details:

    I wish to visit SLAC. Are there any special requirements I should know about before I arrive, in order to enter the site?


    All guests must provide a photo identification (ID) to enter the SLAC main gate. LCLS and SSRL users must also be listed on a scheduled user facility experiment (see the User Facility Access List).

    Guests from certain countries must forward additional information to their SLAC point of contact (POC) in advance to obtain approval before visiting SLAC. Contact your POC to find out if you fall into this category.

    To enter through Security Gates 17 or at Sector 30, a SLAC ID badge is required.

  • How do I find an individual at SLAC?

    Question details:

    How do I find contact information for an individual at SLAC?


    To find contact information for individuals at SLAC or Stanford, reference the SLAC Directory or the Stanford University Directory. The SLAC Security Office (x2551) may also provide general telephone assistance.

    For general contact information, go to the SLAC Contact page.

  • What should I do in an emergency?

    Question details:

    What should I do in case of an accident, injury or emergency while at SLAC, or if I need non-emergency medical assistance?


    In the event of a life-threatening emergency that requires support from the fire department, a police agency, an ambulance service, or in the event of a hazardous materials spill while at SLAC:

    • Immediately dial 911 (if using a SLAC landline phone, dial 9 first, then 911)
    • Call SLAC extension 5555 from any SLAC landline (or dial 650-926-5555 from a cell phone or other non-SLAC phone)
    • Notify your SLAC Contact, Safety Officer, or Duty Operator/Floor Coordinator.

    See Emergency Information for more details.

    The Occupational Health Center at SLAC is open Monday-Friday 8 AM-5 PM in Building 28, Room 11 for non-life threatening injury assistance, counseling and other wellness services.