[ RadSafe ] CRT monitor radiation "scare" at Newark airport

Yannis Pantos ipantos at gmail.com
Mon Dec 20 15:40:11 CST 2010

I do not know the cause of these alarms but I know that at recycling yards
equipped with portal monitors, radiation alarms are usual when a shipment of
TV monitors is scanned by the portal.

This is true for both CRT and LCD monitors, however in this case each
shipment includes numerous monitors.

2010/12/20 Clayton J Bradt <CJB01 at health.state.ny.us>

> I've read several press accounts of this incident and they mention the FBI
> statement that "computer monitors normally emit small amounts of
> radiation".  I'm not aware of monitors having elevated levels of
> radioactivity.  Does anybody have better information on this?  CRT's of
> course generate x-rays but this monitor was packed in baggage so it was
> off.  Anyway, who travels with a CRT?  It must have been a LED monitor,
> probably a laptop.   This whole thing makes less and less sense.
> Clayton J. Bradt
> Principal Radiophysicist
> NYS Dept. of Health
> Biggs Laboratory, Room D486A
> Empire State Plaza
> Albany, NY 12201-0509
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