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Shell Chemical East (26336), Norco
LDEQ Accident Report
| Accident # | 152921 |
| State Police # | 13-05668 |
| Accident Date | 2013-12-19 |
| Report Date | 2013-12-19 |
| 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 |
| 1,3-Butadiene | No information on duration given | GO-1 Elevated Flare (EPN 1-90) | NO | NO | YES | No information on re |
| Benzene | No information on duration given | GO-1 Elevated Flare (EPN 1-90) | NO | NO | YES | No information on re |
| Carbon Monoxide | No information on duration given | GO-1 Elevated Flare (EPN 1-90) | NO | YES | NO | No information on re |
| Hexane | No information on duration given | GO-1 Elevated Flare (EPN 1-90) | NO | NO | NO | No information on re |
| Nitrogen Oxide | No information on duration given | GO-1 Elevated Flare (EPN 1-90) | NO | YES | YES | No information on re |
| Styrene | No information on duration given | GO-1 Elevated Flare (EPN 1-90) | NO | NO | NO | No information on re |
| Sulfur Dioxide | No information on duration given | GO-1 Elevated Flare (EPN 1-90) | NO | YES | NO | No information on re |
| Toluene | No information on duration given | GO-1 Elevated Flare (EPN 1-90) | NO | NO | NO | No information on re |
| Xylene | No information on duration given | GO-1 Elevated Flare (EPN 1-90) | NO | NO | NO | No information on re |
| Volatile Organic Compounds (VOCs) | No information on duration given | GO-1 Elevated Flare (EPN 1-90) | NO | NO | YES | No information on re |
| Particulate Matter | No information on duration given | GO-1 Elevated Flare (EPN 1-90) | NO | YES | NO |
Accident Classified As: No Information Given
Cause of Problem: Process Upset
On December 19, 2013, GO-1 had an unexpected process upset which resulted in flaring at the GO-1 Elevated Flare. The flaring was a result of a swing on the cold site of GO-1, which resulted in an upset at the propylene re-compressor. Ending date above is the reported anticipated end date, assuming troubleshooting efforts continue as planned.
Discharge Preventable - No Information Given
Notes/Remedial Actions
Operations is currently stabilizing the unit and minimizing the flaring. Data gathering to perform calculations and investigation are ongoing. Shell will provide an update within 60 days.
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