international law should focus more on global-scale hazmat than frangible ammunition:

https://www.pravda.com.ua/eng/news/2022/08/7/7362230/

It really shouldn't be legal to leave spent fuel above ground (or underground in things that can leak).

Finland solved this problem. The USA almost did with Yucca Mountain, but stopped and now all the hazmat is just sitting in thousands of rusty insecure sheds, waiting to leak into groundwater.