11:25

Deepwater Horizon Blowout Animation

13:17

Deadly Contract

16:59

Ignored Warnings: Explosion in St. Louis

18:02

Wake Up Call: Refinery Disaster in Philadelphia

29:14

Combustible Dust: An Insidious Hazard

19:47

Transient Hazards: Explosion at the Husky Superior Refinery

16:11

Fire in the Valley

17:22

No Way Down: Chemical Release at Wacker Polysilicon