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ExxonMobil Chemical Plant (286), Baton Rouge

Causal Factor: Maintenance/Procedures

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
109342

2008-09-19		Ethylene Unit
Cause:

Followup: No

Notes: Planned flaring due to the start up of the ethylene unit. Report says no RQ exceedences from this incident occurred.
109283

2008-09-17		EPLA West Unit

Cause: ExxonMobil is starting up the EPLA West Unit.

Followup: No

Notes: Says this is permitted activity. Exxon was starting up their EPLA West ethylene unit on 9.17/08. They said flaring may occur through midday 9/18/08. No other information given.



108841

2008-09-09		RGR Unit
Cause:

Followup: No

Notes: RGR Unit start up. Believed that flaring would occur throughout the night. Due to hurricane Gustav the flaring during RGR start up was extensive and a variation was obtained. Report says no RQs exceeded from this flaring.

107009

2008-07-07		Reactor
Cause: release occurred while depressurizing a reactor.

Followup:

Notes: Advised of a release of hydrocarbons. Amount of hydrocarbon gas released was unknown at time of report.
112558

2009-02-06		RGR Unit
Cause: ExxonMobil is flaring. It is a permitted activity.

Followup: No

Notes: Exxon Mobil is flaring. Gave a courtesy call. RGR unit was shut down for planned mechanical activity. It is permitted activity. Flaring should last through the day as they continue with shutdown activities.

124881

2010-07-15		Block valve
Cause: It was a planned flaring.

Followup: No

Notes: They have a block valve that needed maintenance. Flaring started at 9:30 am scheduled to be over by 2:30 pm. Exxon's report received on 7/26/10 indicated no RQ exceedances.
120825

2010-01-15		No Information Given
Cause: The purpose of the flaring was to start the maintain ethylene unit. It was also to help the South area control center along with the North area control center.

Followup: No

Notes: The caller stated that the flaring may continue as long as 1/16/10. They said that the flaring should not exceed reportable quantities. Just SPOC report. No mention of what it stopped of whether or not it reached RQ.
135080

2011-10-28
Cause: Routine start-up for maintenance as part of a turnaround. Flaring occured during a planned start-up. On occasion they will be flaring butadiene.

Followup: No

Notes: All emissions were permitted and no reportable quantities were exceeded.
144609

2012-11-12		NIG
Cause: Flaring occurred during a planned maintenance activity. Unknown substance was flared.

Followup: No

Notes: Exxon Chemical had a planned equipment outage resulting in flaring. Flaring continued throughout the day and was secure at 18:30. All emissions were permitted and no RQs were exceeded. No information given about what was released or duration.
152563

2013-11-25		None Reported
Cause: Intermittent flaring occurred during a planned unit start-up. The releases occurred on November 25th and 26th, 2013.

Followup: No

Notes: All emissions were permitted and no reportable quantities were exceeded.
150492

2013-08-20		No Information Given
Cause: Planned unit shutdown and startup of compressor.

Followup: No

Notes: Intermittent flaring occurred during a planned unit shutdown and start-up. All emissions were permitted and no reportable quantities were exceeded.

146536

2013-02-07		Cogeneration unit
Cause: On February 7, 2013, ExxonMobil experienced an uncontrolled leak of carbon monoxide for three minutes from a cogeneration unit. At the time of the incident, the facility was unable to determine the amount of the release, but wanted to report within one hour in the event the CO permit was exceeded. The release was caused by the malfunction of a control on the cogeneration unit, which developed a decrease in operating rate and insufficient combustion. The malfunction occurred while the turbines were being cleaned of carbon deposits. A written notification dated February 14, 2013, was received by LDEQ from the facility, which indicated that after further evaluation, no reportable quantities were exceeded.

Followup: No

Notes:
158266

2014-08-25		No Information Given
Cause: Intermittent hydrocarbon flaring is expected to occur through the month of September 2014 due to planned unit shut-down and start-up. All emissions are permitted.

Followup: No

Notes: No Information Given