“Although depleted uranium is a byproduct of uranium enrichment, U.S. officials say the munitions are common and do not present a radioactive threat. They cite studies by the International Atomic Energy Agency, the United Nations’ nuclear watchdog, showing “the existence of depleted uranium residues dispersed in the environment does not pose a radiological hazard to the population of the affected regions.”
However, opponents such as the International Coalition to Ban Uranium Weapons say there are dangerous health risks, including cancer, from touching or ingesting depleted-uranium dust.”
…
“U.S. officials ultimately decided to send the munitions because they are considered the most effective way of arming U.S.-made Abrams tanks, according to a Defense Department official familiar with the plans. The first tranche of 10 Abrams will arrive in Ukraine in mid-September, after a group of Ukrainian soldiers finished a training program to use them last month, POLITICO first reported.”
https://www.politico.com/news/2023/09/06/us-depleted-uranium-rounds-ukraine-decision-00114208