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ExxonMobil Chemical Plant (286), Baton Rouge
LDEQ Accident Report
| Accident # | 130274 |
| State Police # | 11-01809 |
| Accident Date | 2011-03-19 |
| Report Date | 2011-04-06 |
| 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 |
| Propylene | 11d | EPLA-S | NO | NO | YES | 2,218.0 pounds |
| Ethylene | 11d | EPLA-S | NO | NO | YES | 1,282.0 pounds |
Accident Classified As: Reportable Quantity
Cause of Problem: Seal or Gasket
Prior to March 19, 2011 the South Ethylene Purification Unit was isolated for mechanical work. On March 20, 2011, and exchanger developed a head leak during start up operations. On March 30, 2011, the Poly unit developed a leak from a ring join flange.
Discharge Preventable - Yes
Notes/Remedial Actions
To end the release, the flange was isolated. To end the EPLA-S pot venting, the vents were directed to the flare system. To end the EPLA-S exchanger head leak, the head was tightened and teh equipment brought to normal operating temperatures. To end the Poly T-2 release, the flange was isolated.
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