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Chalmette Refining (1376), Chalmette
LDEQ Accident Report
| Accident # | 77549 |
| State Police # | 05-01699 |
| Accident Date | 2005-03-13 |
| Report Date | 2005-03-18 |
| 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 |
| Carbon Monoxide | 35m | C-2307 (Second Stage High-Pressure Separator) level controller; K-2303 (HCU Second Stage Recycle Compressor) | NO | YES | NO | 176.0 pounds |
| Hydrocarbon | 35m | C-2307 (Second Stage High-Pressure Separator) level controller; K-2303 (HCU Second Stage Recycle Compressor) | NO | NO | YES | 68.0 pounds |
| Hydrogen Sulfide | 35m | C-2307 (Second Stage High-Pressure Separator) level controller; K-2303 (HCU Second Stage Recycle Compressor) | NO | NO | NO | |
| Nitric Oxide | 35m | C-2307 (Second Stage High-Pressure Separator) level controller; K-2303 (HCU Second Stage Recycle Compressor) | NO | YES | NO | 29.0 pounds |
| Nitrogen Dioxide | 35m | C-2307 (Second Stage High-Pressure Separator) level controller; K-2303 (HCU Second Stage Recycle Compressor) | NO | YES | YES | 3.0 pounds |
| Sulfur Dioxide | 35m | C-2307 (Second Stage High-Pressure Separator) level controller; K-2303 (HCU Second Stage Recycle Compressor) | NO | YES | NO | 12.0 pounds |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Human Factors
During maintenance, the Hydrocracker (HCU) Second Stage High-Pressure Separator (C-2307) level controller was inadvertently left in the manual position. Later, HCU Second Stage Recycle Compressor (K-2303) shut down due to high level in C-2307. Shutdown of K-2303 caused automatic depressurization of C-2307 to the refinery flare system.
Discharge Preventable - Yes
Notes/Remedial Actions
Letter rescinds report of Sulfur Dioxide because below reportable quantity.
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