One of my goals is ensuring that nothing radioactive exists in my environment, aside from natural low-level emitters, like light salt.
I have a mild phobia of ionizing radioactivity, though this is born of my understanding more than ignorant fear.
To this end, I am checking each place I frequent, my friend’s house, my father’s house, my house, etc, to ensure nothing bad exists. My final goal is to use my GM counter to test geological samples I find. My mineral collection is quite extensive.
Hopefully, that nasty compass I found a my friends house will be the only major thing I find.