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Plutonium levels near US atomic site in Los Alamos similar to Chornobyl, study finds
(www.theguardian.com)
this post was submitted on 26 Aug 2024
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The comparison to Chernobyl is obviously powerful rhetorically, but is it relevant? Is plutonium the most dangerous set of isotopes at Chernobyl? Are there other decay products at Chernobyl that make it an exclusion zone which are not present at Los Alamos?
It should be a scientific discussion which informs public policy, and framing it as comparable to Chernobyl is perhaps misleading.
fuck no, currently most important isotopes are cs-137 and sr-90, both with half lives about 30 years. plutonium isotopes have half lives from 14 (241; probably tiny amount) 90 (238; also not much) to thousands of years (239 and 240; most likely bulk of it). what did the most damage in chernobyl were even shorter lived (days) and so spicier isotopes that normally are given time to decay in spent fuel pools
As a tangent, I hate the way reporting often lists the longest half lives, ignoring that fact that the longer the half life of an isotope is, the less dangerous it is. Highly radioactive isotopes are highly radioactive because they have short half lives.
If you think Pu~238~ with its half-life of 90 years is scary, check out Fe~60~ with its half-life of 2.6 million years. That must be super scary!
/s
I'm aware that everything with a higher atomic weight than iron wants to be iron.