In the U.S., sources are sometimes lost when the truck is stolen. I find it interesting the sources have been missing since December. I guess they only check on the sources when they need to use them.
"J. J. Rozental" <joseroze@netvision.net.il> wrote:
. . .
The hand-held devices used to X-ray oil pipelines to check for cracks are
also a risk to people's health, the source said. Both devices have been
missing since December and seem to have been stolen or fallen off a
transport vehicle in the Southern Niger Delta region, an official at the
Nigerian Nuclear Regulatory Authority (NNRA) said. . . .