Contact Information

Contact Us

Our Mission is to develop and deliver the most realistic and highest quality training in support of Homeland Security using our extensive radiological expertise with the unique assets of the Nevada National Security Site (NNSS).

Federally-funded training is offered within the Federal Emergency Management Agency/National Preparedness Directorate (FEMA/NPD) U.S. Department of Homeland Security at no cost to participants. Transportation, food, and lodging are covered when attending resident courses held at the NNSS.

Our courses are delivered at the NNSS, through our on-line web campus portal, and throughout the Nation to many Jurisdictions.

If you have any concerns, suggestions, or questions concerning our training, please feel free to contact us anytime. Your inquiries may also be answered through our Frequency Answered Questions (FAQs)page.

Contact Form:








CTOS - Center for Rad/Nuc Training at the Nevada National Security Site



Contact Details

Registration Desk
U.S. Department of Energy
CTOS - Center for Rad/Nuc Training
  at the Nevada National Security Site
P.O. Box 98521, M/S NLV 126,
  Las Vegas, NV 89193-8521

For information on Attending a Course,
Call or Email:


Phone Phone: 1.877.WMD.CTOS (1.877.963.2867)
Telephone: 702.295.3224

CTOS Registration Desk:
ctosreg@nv.doe.gov

Mobile Training
Registration Desk:

ctosmttreg@nv.doe.gov

Remote Training Desk:
(For Remote Trainer Requests)
ctosrmttrnr@nv.doe.gov

Fax fax: (702) 295-7815
eFax efax: (702) 537-2639
CTOS n-line web campusCTOS on-line web campus
CTOS website website: www.ctosnnsa.org
CTOS website email website support: ctosweb@nv.doe.gov
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Contact Us - ctosweb@nv.doe.gov
National Security Technologies, LLC; DOE/NV/25946-597