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Shell Chemical East (26336), Norco
LDEQ Accident Report
| Accident # | 153600 |
| State Police # | 14-00479 |
| Accident Date | 2014-01-29 |
| Report Date | 2014-02-04 |
| 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 |
| Carbon Monoxide | 18 m | OL5 Ground Flare (EPN 7-84) and OL5 Elevated Flare (EPN 6-84) | NO | YES | NO | |
| Nitrogen Oxide | 18 m | OL5 Ground Flare (EPN 7-84) and OL5 Elevated Flare (EPN 6-84) | NO | YES | YES | |
| Propylene | 18 m | OL5 Ground Flare (EPN 7-84) and OL5 Elevated Flare (EPN 6-84) | NO | NO | YES | |
| Volatile Organic Compounds (VOCs) | 18m | OL5 Ground Flare (EPN 7-84) and OL5 Elevated Flare (EPN 6-84) | NO | NO | YES |
Accident Classified As: No Information Given
Cause of Problem: Instrument Failure
Shell Chemical's OL5 Unit flared carbon monoxide, nitrogen oxide, propylene and volatile organic compounds at the OL5 Ground Flare (EPN 7-84) and OL5 Elevated Flare (EPN 6-84). The flaring was a result of the propylene analyzer showing that propylene was off specification. After discovery, instrument technicians evaluated the analyzer and a sample of propylene was sent to the lab to verify the analyzer.
Discharge Preventable - No Information Given
Notes/Remedial Actions
Motiva's industrial hygienists are monitoring downwind of the flare. Data gathering to perform calculations and investigation are ongoing.
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