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Chalmette Refining (1376), Chalmette

Releases of Hydrogen Cyanide

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
135704

2011-12-02		Fluid Catalytic Cracking
Cause: Fluid Catalytic Cracking unit to a stack that is 213.3 feet tall. Permitted for up to 498.5lbs/day of Hydrogen Cyanide and released 155,200lbs in 2010. Above 10 pounds released due to a change in how Hydrogen Cyanide is measured. This will put them above measurement most days.

Followup: No

Notes: There is a 213.3 foot stack for Fluid Catalytic Cracking that has a continuous release of Hydrogen Cyanide. The upper bound of the normal range of the release is 498.5 lbs per day.		10.0 pounds