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Shell Chemical East (26336), Norco
LDEQ Accident Report
| Accident # | 142287 |
| State Police # | 12-05613 |
| Accident Date | 2012-08-21 |
| Report Date | 2012-12-18 |
| 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 |
| Polycyclic Aromatic Hydrocarbons | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | NO | YES | BRQ |
| Nitrogen Oxide | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | YES | YES | BRQ |
| Hexane | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | NO | NO | BRQ |
| Ethylene | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | NO | YES | BRQ |
| Carbon Monoxide | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | YES | NO | BRQ |
| Benzene | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | NO | YES | BRQ |
| 1,3-Butadiene | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | NO | YES | BRQ |
| Propylene | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | NO | YES | BRQ |
| Particulate Matter | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | YES | NO | BRQ |
| Sulfur Dioxide | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | YES | NO | BRQ |
| Toluene | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | NO | NO | BRQ |
| Volatile Organic Compounds (VOCs) | 1d 22H 27m | GO-1 Elevated Flare (EPN 1-90) | NO | NO | YES | BRQ |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Process Upset
Flaring from the GO-1 Elevated Flare (EPN 1-90) was a result of an unexpected shutdown of the propylene refrigerant compressor.
Discharge Preventable - No Information Given
Notes/Remedial Actions
GO-1 operations took the necessary steps to minimize flaring and safely return the unit to normal operating conditions and the flaring stopped. Investigation and data gathering confirm that no RQ or maximum permitted limits were exceeded.
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