[PLMerite]

" If you are located in an environment like Utah or Nevada perhaps you have a higher back ground level of radiation from the local rock formations that skews the result."

Probably lingering radiation from the atomic bomb tests. Next stop, giant bugs.

[Pete from Shawnee Mission]

Chicago, Fermilabs, Batavia, the first nuclear reactor...

https://youtu.be/a_gOeQDvZCA?t=59

Local effects!