Roane County, Tennessee - Radiological "scanners" purchased through Homeland Security grants are being used in Roane County, TN. The detectors are similar in size to pagers and are worn on the belt, and signal the wearer if they come in close proximity to radioactive substances. Here's a link to the article from VolunteerTV.com: click here.
Which ones are you using, some work quite well but others a junk. The best ones are the ones used at nuclear plants of processing facilites. Better yet is to bring the RadCon tech with you when you use those types of instruments.
We don't have them here in my County - Carroll County TN...I just found that short article I found and posted as fyi - however - in Carroll County we use QRAE's configured with LEL,O2, H2S, and CO sensors and some of the other teams in the state use the Area Raes...you have any feedback on the best ones to use?