Control system failure caused phosphine leak

Event Year: 2011 Reliability: Confirmed
Country: India
Industry Type: Chemical
Description:

The chemical reaction control system failed.  As a result, there was a leak of phosphine gas.  Three people died and over two dozen people were sickened by the gas.

Impact:

The phosphine gas leak caused the death of 3 people and sickened over two dozen others.  The incident is being investigated.