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ExxonMobil Chemical Plant (286), Baton Rouge

LDEQ Accident Report

Accident #153937
State Police #14-00725
Accident Date2014-02-15
Report Date 2014-02-21
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

Accident Classified As: Reportable Quantity

Cause of Problem: Human Factors

On February 15, 2014 at approximately 12:46 AM, a sample station at TK1661 was discovered left open following a sample collection. As a result, liquid 1,3-butadiene was released into a flare drum and to the flare header.

Discharge Preventable - Yes

Notes/Remedial Actions

According to the refinery letter on February 21, 2014, the incident was ongoing, with the release initially 400 pounds per day, to 13.5 pounds per day, and then less than 10 pounds per day after the flare gas recovery compressors were put in service. The flare gas recovery compressors were put in service to recover the butadiene and minimize air emissions. To prevent recurrence, the sampling procedure will be updated to emphasize proper sampling of the 1661 line. Letter on 2/22 states that Industrial Hygiene personnel from the plant will conduct fenceline monitoring throughout the duration of the event.