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ExxonMobil Chemical Plant (286), Baton Rouge

Causal Factor: Start Up, Shut Down

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
106514

2008-06-17		None Reported
Cause: shutting down Acid 1 unit, will bring back up later in afternoon.

Followup:

Notes: No additional information given.
106067

2008-06-02		Flare
Cause: Flaring propylene during unit start up.

Followup:

Notes: No RQ exceedance from event.
106066

2008-06-01		flare
Cause: Starting up an unit and depressurized to the flare.

Followup: No

Notes: No RQ exceedance from this flaring.
104990

2008-04-22		Flare
Cause: Flaring episode that occurred at the startup of a unit, when a vessel overpressured and vented to the flare. No specific cause why the vessel overpressured, other than it exceeded its vent pressure

Followup:

Notes: No additional information given. Linked to 105023. LABB only has initial notification made to SPOC no subsequent facility letter or LDEQ report.		Nitrogen Oxide: 11.4 pounds
127749

2010-11-22		suction drum
Cause: there was a high level on a suction drum and it tripped the recycle compressors. The flaring event was due to start-up activities, and all emissions were permitted.

Followup: No

Notes: An unknown quantity of propylene was released. There was no unauthorized discharge.
126317

2010-09-12		None Reported
Cause: Exxon made a courtesy call to LDEQ due to permitted visible flaring associate with restarting the unit.

Followup: No

Notes: Flaring began 9/10/10. Startup activites were completely by 9/13/10 at 2 am. No details as to what was released through the flare.
130066

2011-03-19		no information given
Cause: Flaring of ethylene and propylene due to routine plant start up.

Followup:

Notes: All emissions were permitted and no reportable quantities were exceeded.

129849

2011-03-15		None Reported
Cause: Shut down the part of the plant for maintenance. Flaring occurred during a planned shutdown.

Followup: No

Notes: All emissions were permitted and no reportable quantities were exceeded.
145209

2012-12-06		flare
Cause: Had problems with a compressor (see incident # 12-07709) so they planned a shut down for repairs. As stated during the courtesy notification calls, the flaring occured during a planned unit shutdown.

Followup: No

Notes: All emissions were permitted, and no RQs were exceeded. Rhonda Arledge with EMCP noted that they will do a follow up letter with DEQ involving their permit at a later date. Within their permit to flare the chemicals (Volatile Organic Compounds) that are own this line in order to isolate the compressor to take it off line for repairs. VOCs were released to flare.
138392

2012-03-29		flare
Cause: Controlled shut down; planned mechanical repairs...Flaring occurred during a planned unit shut down for mechanical repairs. Ethylene was released to the atmosphere.

Followup: No

Notes: The flaring lasted several hours, and all emissions were permitted and no RQs were exceeded.		pollutant was releas