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NUREG 0933

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Task CH6: GRAPHITE-MODERATED REACTORS: Graphite-Moderated Reactors: The Fort St. Vrain Reactor and the Modular HTGR

The Fort St. Vrain HTGR and DOE's N-reactor at the Hanford Reservation in Washington State are the only graphite-moderated power reactors operating in the U.S. This task, outlined in Chapter 6 of NUREG-1251, [1] called for the staff to assess the HTGR …

Page Last Reviewed/Updated 3/1/2026

Disclaimer: Some of the formatting in NUREG-0933 may not be correct. We are currently working on fixing the formatting.