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Shell Chemical East (26336), Norco
LDEQ Accident Report
| Accident # | 156193 |
| PDF Available |  PDF |
| State Police # | 14-02264 |
| Accident Date | 2014-05-23 |
| Report Date | 2014-05-30 |
| Follow-up Date | 2014-06-06 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Butane | 1d 21h 20m | NO | NO | YES | BRQ | |
| Propane | 1d 21h 20m | NO | NO | YES | BRQ | |
| Hydrogen Sulfide | 1d 21h 20m | NO | NO | NO | BRQ | |
| Benzene | 1d 21h 20m | NO | NO | YES | BRQ |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Process Upset
On May 23, 2014, Motiva's DU-5 unit unexpectedly had the relief valve on their Debutanizer Accumulator, part of the Debutanizer Overhead System, relieve to Shell Chemical's Utilities East Elevated Flare (FE-501). The relief valve lifted as a result of an accumulation of hydrocarbons in the Debutanizer Overhead System.
Discharge Preventable - No Information Given
Notes/Remedial Actions
Unit pressure and feed levels were safely diminished to conform to standards. 6/6/14 report states that no reportable quantities were exceeded.
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