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Motiva Enterprises (1406), Norco

LDEQ Accident Report

Accident #91490
State Police #06-06521
Accident Date2006-10-18
Report Date 2006-10-25
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
Nitrogen OxideWest Ops Ground Flare (EPN# 9-84)NOYESYES33.0 pounds
Volatile Organic Compounds (VOCs)West Ops Ground Flare (EPN# 9-84)NONOYES82.0 pounds
TolueneWest Ops Ground Flare (EPN# 9-84)NONONO 
Sulfur DioxideWest Ops Ground Flare (EPN# 9-84)NOYESNO3.0 pounds
BenzeneWest Ops Ground Flare (EPN# 9-84)NONOYES2.3 pounds
1,3-ButadieneWest Ops Ground Flare (EPN# 9-84)NONOYES6.0 pounds

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Piping or Tubing

Shell Chemical's Boiler #7 shutdown unexpectedly due to a tube failure. As a result, several production units has to shutdown to safely stabilize the steam system. The Shell Chemical GO-1 Process Unit had to shutdown the process gas compressor as a result of the boiler shutdown. The shutdown of the process gas compressor resulted in flaring at the Motiva West Operations Ground Flare.

Discharge Preventable - No

The incident was not preventable by Motiva Enterprises, LLC.

Notes/Remedial Actions

Process gases were flared a the West Operation Ground Glare at Motiva until the GO-1 compressor at Shell Chemical was restarted and the processes under control.