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Valero (26003), Norco

Releases of Hydrogen Cyanide

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
144357

2012-11-01		FCCU
Cause: Stack testing of the FCCU revealed higher than federally permitted release rates and reportable quantities of hydrogen cyanide gas.

Followup: No

Notes: A permit notification will be submitted representing this new data and request an increase in emissions. Testing showed hydrogen cyanide release at 90 lbs/hr. No duration time was given, because emissions are ongoing. Release amount for this database represents one year of HCN emissions and was calculated using the hourly release rate (90 lbs/hr) multiplied by 8,760 hours/year.		788,000.0 pounds