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Shell Chemical East (26336), Norco
LDEQ Accident Report
| Accident # | 156402 |
| State Police # | 14-02391 |
| Accident Date | 2014-05-31 |
| Report Date | 2014-06-05 |
| Follow-up Date | 2014-07-02 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| 1,3-Butadiene | 42h 10m | BD5 Unit, diethanolamine supply pump | NO | NO | YES | BRQ |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Process Upset
On May 31, 2014, Shell Chemical's BD5 Unit flared butadiene heavy ends (BDHE) at the OL5 elevated flare. Motiva unexpectedly had a diethanolamine supply pump begin to smoke and exhibit high vibrations. In response to the pump issues, Motiva had to utilize one pumping source for supplying the site with diethanolamine. To safely operate within the design capacity of the pump, Motiva required their units to reduce their diethanolamine usage. The Naptha Hydrotreater (NHT) had to reduce its rates in order to decrease its diethanolamine usage by not receivign BDHE from BD5, routing BDHE to the OL5 Elevated Flare.
Discharge Preventable - No Information Given
Notes/Remedial Actions
Report on 7/2/14 states that no reportable quantities were exceeded.
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