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Shell Chemical East (26336), Norco

LDEQ Accident Report

Accident #144473
PDF AvailablePDF
State Police #12-07265
Accident Date2012-11-06
Report Date 2012-11-13
Follow-up Date 0000-00-00
Follow-up: No

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Propylene2HGO-1 Elevated Flare (EPN 1-90)NONOYESBRQ
Sulfur Dioxide2HGO-1 Elevated Flare (EPN 1-90)NOYESNOBRQ

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Process Upset

On 11/6/12, Shell Chemical's GO-1 Process Unit flared at the GO-1 Elevated Flare (EPN 1-90). The flaring was a result of an unexpected unit upset in GO-1 caused by the receiving of off specification feed from a supplier.

Discharge Preventable - No Information Given

Notes/Remedial Actions

Once the upset occurred, GO-1 operations took the necessary steps to minimize flaring and safely return the units to normal operating conditions and the flaring stopped. Investigation and data gathering confirm that no RQ or maximum permitted limits were exceeded.