X-111A/B Special Nuclear Material (SNM) Monitoring Portals

Facility Information (X-111A)

  • Located on the east side of the X-326 Process Building
  • 900 square feet under roof
  • Masonry construction with concrete floors and steel roof
  • Demolished to clear access for water detention berm installation

Facility Information (X-111B)

  • Located at the northwest corner of the X-326 Process Building
  • 300 square feet under roof
  • Masonry construction with concrete floors and steel roof
  • Demolished to clear access for water detention berm installation

Take a Look Inside the Plant

Using our interactive map, you can locate individual buildings within the plant and learn more about its purpose throughout history. Clicking on a building will bring you in-depth information, photos, and videos.

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