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Motiva Enterprises (1406), Norco

LDEQ Accident Report

Accident #94926
State Police #07-0922
Accident Date2007-03-27
Report Date 2007-03-30
Follow-up Date 2007-04-19
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Nitrogen Oxide20mRelief valveNOYESYESBRQ

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Instrument Failure

It's believed the computer control caused an upset which opened a relief valve to the flare.

Discharge Preventable - No Information Given

No information given.

Notes/Remedial Actions

Motiva shut down the NHT unit and investigated the problem. The relief valve was blocked in and removed, then shipped for repaired.