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Chalmette Refining (1376), Chalmette
LDEQ Accident Report
| Accident # | 99496 |
| State Police # | 07-05554 |
| Accident Date | 2007-09-16 |
| Report Date | 2007-09-21 |
| 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 |
| Hydrogen Sulfide | 1 h 19 m | Cat Feed Hydrotreater Unit | NO | NO | NO | 2,334.0 pounds |
| Volatile Organic Compounds (VOCs) | 1 h 19 m | Cat Feed Hydrotreater Unit | NO | NO | YES | 24,066.0 pounds |
Accident Classified As:
Cause of Problem: Corrosion
piping failure due to corrosion from leak of DGA and H2S into piping system from DGA contactor. Drop in reactor pressure on the CFHT unit. Leak on outlet piping of the Fin Fan. Emer. shutdown due internal corrosion from a leak of diglycolame/Hydrogen Sulfide
Discharge Preventable - Yes
Notes/Remedial Actions
Emergency shutdown was initiated. Water spray was applied to decrease emissions until the unit could be safely depressured. CRLLC inspected entire piping system and ID' other corroded areas. CRLLC plans to increase frequency of outlet piping system inspections. DEQ letter of 10/11/07 indicates that incident will be referred to enforcement because it is preventable.
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