CORRECTION

CORRECTION:

The molecular formula for acrylonitrile that appeared in April’s Chemical Data Notebook Series article should have indicated a triple rather than a double bond between the nitrogen and carbon atoms. The correct formula is:

H H C C H C N

Hand entrapped in rope gripper

Elevator Rescue: Rope Gripper Entrapment

Mike Dragonetti discusses operating safely while around a Rope Gripper and two methods of mitigating an entrapment situation.
Delta explosion

Two Workers Killed, Another Injured in Explosion at Atlanta Delta Air Lines Facility

Two workers were killed and another seriously injured in an explosion Tuesday at a Delta Air Lines maintenance facility near the Atlanta airport.