8 "portable nuclear device" in Pennsylvania turns out to be soil compaction tester (mobile.twitter.com) posted 1 year ago by DavidColeIntrepid 1 year ago by DavidColeIntrepid +9 / -1 2 comments share 2 comments share save hide report block hide replies
The use of these devices is so over regulated it makes doing the job a real pain in the rear. They have a small amount of radioactive isotope that penetrates the soil and gives a reading-in a controlled manner.