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	Uranium is a former featured article. Please see the links under Article milestones below for its original nomination page (for older articles, check the nomination archive) and why it was removed.
	This article appeared on Wikipedia's Main Page as Today's featured article on March 19, 2007.
Article milestones Date Process Result February 21, 2007 Peer review Reviewed March 3, 2007 Featured article candidate Promoted September 29, 2014 Good topic candidate Promoted August 5, 2023 Featured article review Demoted February 15, 2024 Good topic removal candidate Demoted Current status: Former featured article

Uranium pentaiodideUranium pentaiodide was merged into this article. The discussion was closed on 4 June 2021 with a consensus to merge. The original page is now a redirect to this article. For the contribution history and old versions of the redirected article, please see its history; for its talk page, see here.

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Which metal is used for containers that store radioactive sources? Answer in words not symbols. Abeeb olasupo (talk) 19:57, 7 March 2023 (UTC)[reply]

Lead storage containers can be used to store and transport radioactive material. The standard outside and inside finishing is coated lead so there is no exposure to the lead by personnel. A stainless steel finishing is also available to provide a stronger housing. Rawsar6 (talk) 22:17, 26 January 2024 (UTC)[reply]

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urainum is found in most cheeses 86.13.252.226 (talk) 11:16, 15 June 2023 (UTC)[reply]

 Not done: please provide reliable sources that support the change you want to be made. Actualcpscm (talk) 11:24, 15 June 2023 (UTC)[reply]

found the source

https://www.dailymail.co.uk/health/article-11029249/FDA-reveals-common-foods-contain-harmful-chemicals.html 2603:8080:D03:89D4:714E:6276:C325:D076 (talk) 00:49, 4 September 2024 (UTC)[reply]

I do not agree that this reference should be cited in the article. The primary reference is the United States (US) Food and Drug Administration’s (FDA) Total Diet Study (TDS) for fiscal years 2018 through 2020. The report does not make any alarming claims about the results. Since this is about health and safety, only a professional analysis of this report would be adequate as a source. dailymail.co.uk does not qualify for that purpose. Johnjbarton (talk) 01:38, 4 September 2024 (UTC)[reply]

and another one

https://www.answers.com/food-ec/What_are_the_elements_in_cheese 2603:8080:D03:89D4:F:D4D7:F6FF:99FC (talk) 01:05, 17 September 2024 (UTC)[reply]

And also unreliable, per WP:USERGENERATED. If you want to worry about radiation, I suggest you focus on radon, well documented as the 2nd leading cause of lung cancer, much, much more common, and a gas that can be inhaled. Johnjbarton (talk) 02:03, 17 September 2024 (UTC)[reply]

"...and poses significant health threat and environmental impact." should be "...and poses a significant health threat..." or "...and poses significant health threats..." — Preceding unsigned comment added by YSWEISS (talk • contribs) 15:52, 25 June 2023 (UTC)[reply]

"...The development and deployment of these nuclear reactors continue on a global base as they are powerful sources of CO2-free energy." Should be "The development and deployment of these nuclear reactors continue on a global base as they are powerful sources energy." The fuel cycle of nuclear plants is not CO2-free. Mining, enrichment, and disposal are high CO2 pollutants. Only the operating part of the cycle is free of CO2 emissions. — Preceding unsigned comment added by 2601:1C0:6701:C850:DF0C:A1ED:F89C:E4BC (talk) 21:48, 10 September 2023 (UTC)[reply]

In the article "Isotopes of uranium", i edited out an astonishing amount of unnecessary verbiage, particularly from the section "Uranium-234". Okay? Solomonfromfinland (talk) 05:54, 29 March 2024 (UTC)[reply]

Our article says

• In 1943 the Manhattan Project arranged for a worldwide listing of Uranium and Thorium resources.

citing

• Groves, L. M. (2024). Now it can be told: The story of the Manhattan Project. Hachette+ ORM.

which I don't have access to. I suspect that this curious sentence really means:

• In 1943 the Manhattan Project attempted to list every source of Uranium and Thorium throughout the world.

Surely the "arranged" here does not mean "call on a listing service" or "asked for bidders to create a list" or whatever. This was a top secret project so "arranged" is entirely in house. Johnjbarton (talk) 02:37, 21 October 2025 (UTC)[reply]

Here's a link to that book in archive.org: https://archive.org/details/nowitcanbetolds00grov Jähmefyysikko (talk) 03:52, 21 October 2025 (UTC)[reply]

Thanks! Fixed it.  Done Johnjbarton (talk) 16:08, 21 October 2025 (UTC)[reply]

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Under the "Human Exposure" heading, the second paragraph has a typo. Where it says "The health impacts of natural and of deleted uranium", "deleted" should be replaced with "depleted" Ethan Grigsby (talk) 22:18, 12 January 2026 (UTC)[reply]

 Done --pro-anti-air ––>(talk)<–– 22:29, 12 January 2026 (UTC)[reply]