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Accident # | 150814 |
State Police # | 13-03893 |
Accident Date | 2013-09-03 |
Report Date | 2013-10-22 |
Follow-up Date | 0000-00-00 |
Follow-up: |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Benzene | 14h 9m | 4-84 Hydrocracker Flare (FE-301) | NO | NO | YES | 0.9 pounds |
Carbon Monoxide | 14h 9m | 4-84 Hydrocracker Flare (FE-301) | NO | YES | NO | 4,057.1 pounds |
Hexane | 14h 9m | 4-84 Hydrocracker Flare (FE-301) | NO | NO | NO | 13.4 pounds |
NOx | 14h 9m | 4-84 Hydrocracker Flare (FE-301) | NO | NO | YES | 745.6 pounds |
Particulate Matter 10 | 14h 9m | 4-84 Hydrocracker Flare (FE-301) | NO | YES | NO | 140.4 pounds |
Sulfur Dioxide | 14h 9m | 4-84 Hydrocracker Flare (FE-301) | NO | YES | NO | 252.8 pounds |
Toluene | 14h 9m | 4-84 Hydrocracker Flare (FE-301) | NO | NO | NO | BRQ |
Volatile Organic Compounds (VOCs) | 14h 9m | 4-84 Hydrocracker Flare (FE-301) | NO | NO | YES | 1,964.5 pounds |
Accident Classified As: Below Reportable Quantity (BRQ)
On September 3, 2013, the first and second stages of Motiva's Hydrocracker Unit (HCU) shut down. The shutdown was caused by an instrumentation failure that controlled the lube/seal oil system for the HCU recycle compressors. On September 6, 2013, the Hydrocracker unit began startup operations.
The instrument was within its expected lifespan, the failure could not have been anticipated.
Immediately after the unit was shut down and secured, maintenance and engineering immediately investigated and identified the instrumentation failure. The instrumentation and engineering groups are developing an inspection list for the next planned unit shutdown to look for deficiencies in the unit instrument systems. No reportable quantities were exceeded; however the permitted maximum hourly emission rate limit was exceeded for Benzene and Sulfur Dioixide.
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