[psunavy03]

The Navy periodically takes radioactivity measurements near the wrecks, and has never found anything out of the ordinary that I can find online.

[itishappy]

This report from 2019 agrees:

> The conclusions of this report confirm the results of previous environmental monitoring expeditions and demonstrate that the THRESHER and SCORPION have had no discernible effect on the radioactivity in the environment

https://www.energy.gov/sites/prod/files/2019/09/f66/NT-19-1....