Claims vs Record disc-013
unresolvedsafety Safety case leans on Ward Zero tests; no test data is public, and an unlisted page titled 'Ward Zero Whitepaper' contains no Ward Zero data
What was said
- Valar Atomics (safety agreement) (2025-10): Credits "natural circulation capabilities demonstrated during WardZero testing" and RCCS "capacity validated through WardZero testing", and asks to file its final safety analysis early because "The WardZero program has completed design, installation and testing of major safety-significant systems".Ward250 Nuclear Safety Design Agreement, No. 100403, Rev 02 (status: Draft), pages 13, 15, 55 (Valar Atomics, 2025-10)
- Valar Atomics (quality program) (2025-10): "Ward250 incorporates proven hardware designs and components from the WardZero facility."
- Valar Atomics (July 2025 slides to Emery County) (2025-07-08): "Ship and repurpose WardZero Hardware to Utah."Valar Atomics + SRERC in Emery County (slide deck marked confidential, posted on the Utah Public Notice Website) (Valar Atomics, 2025-07-08)
- Valar Atomics ('Ward Zero Whitepaper' page, credited to Taylor, Mock and Mitchell) (2024-12-01): Subtitled "Detailed dive and abstract into how our first prototype nuclear reactor functions."Ward Zero Whitepaper (web page; not listed in Valar's library) (Valar Atomics, 2024-12-01)
What the record shows
- The 'Whitepaper' page's body contains no Ward Zero information; its text matches, word for word, a 2019 Cairo Review essay by another author on reactor exports to the Middle East (both say the UAE's Barakah plant is 'expected to be fully operational by 2020').A Nuclear Curse and a Nuclear Blessing (Selim Sazak), Fall 2019 (The Cairo Review of Global Affairs, 2019)
- No Ward Zero test report, data set or DOE review of it has been published; the PDSA and DSA that would show what DOE examined are not public (orig-059, safe-007).
- The safety agreement routes design data to DOE through the preliminary and final safety analyses; POWER reports, from Valar's posts, that DOE approved the preliminary analysis in February 2026 and the final one on 23 April 2026. If DOE reviewed Ward Zero data, it was there, and those documents are not public.Valar Atomic's Ward 250 Becomes Second Reactor to Go Critical Under DOE Pilot Program (POWER magazine, 2026-06-19)
- The 'Ward Zero Whitepaper' page is not listed in Valar's library (orig-071); it loads at its address but is not listed for readers.Library (Valar Atomics)
- Valar has described Ward Zero testing in public, in summary only: its August 2025 post says the prototype 'has now undergone five months of heat and pressure testing' and has been through two maintenance outages.Valar Atomics Selected for the President's Accelerated Nuclear Program (Isaiah Taylor) (Valar Atomics, 2025-08-12)
- Valar's unfinished June 2026 page says that before shipping, the reactor system underwent non-nuclear testing in Hawthorne at 'temps above 750c and pressures over 6MPa', with thermal cycling and transients.Ward 250 By the Numbers (Isaiah Taylor; unlisted page that still carries placeholders) (Valar Atomics, 2026-06-28)
The gap: Valar's safety paper credits Ward Zero tests for natural circulation and cavity cooling, and for filing its final safety analysis early. Valar has described the testing publicly only in summary. The data may have gone to DOE with the non-public safety analyses DOE approved, which is a plausible reading, but no test report or DOE review of it is public. The only page titled as a Ward Zero technical paper is an unlisted page whose text matches a 2019 Cairo Review essay by another author; it may be placeholder text (Valar has not said), and it is not a technical account of Ward Zero.
In plain termsWard Zero was Valar's full-size, electrically heated practice reactor in California, and hardware from it was reused in Ward 250. Valar's safety paper leans on Ward Zero's tests for two key points: that the helium will keep circulating by itself if the pumps stop, and that the cooling system around the reactor can carry enough heat away. Valar has described those tests in public only in general terms (months of heat and pressure testing, temperatures above 750°C). DOE may well have seen the data with the safety analyses it approved, but none of it is public. The one page Valar titled 'Ward Zero Whitepaper' contains no Ward Zero information at all: its text matches, word for word, a 2019 magazine essay by another author about reactor exports to the Middle East. The page is not listed in Valar's library and may be leftover placeholder text (Valar has not said), but it is still online.
Why it matters: Key safety credits rest on tests the public cannot see; DOE may have reviewed them, but the record does not show it.
What would settle it: FOIA to DOE Idaho Operations Office for Ward Zero test reports and data submitted with the PDSA and DSA and DOE's review of them; ask Valar to publish the data and explain the whitepaper page.