On 14 Mar 2005 05:03:59 -0800, jim rozen wrote:
In article rs.com, Jon Elson
says...

injured. At a hospital in St. Louis, a compressed gas bottle that
was SUPPOSED to be aluminum was thrown across the MRI room and nearly
killed several people.

In NY a child was killed by a "non-ferrous" O2 bottle recently
as well.

Key point being, it wasn't non-ferrous, and they failed to check.