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Phillips 66 (2418), Belle Chasse
Releases of Methane/Ethane Mixture
| LDEQ Accident Number Accident Date |
Point Source(s) | Notes | Amount of Release |
| No LDEQ Reported 2006-09-25 | 410 PSV 061 | Cause: Final repssure increase on the Enbridge Purchased Fuel Gas line resulted in an out of sync system dynmics which resulted in causing the Process Safety Valve to lift slightly Followup: No Notes: Immediately lowered the PFG system's pressure which reseated PSV 061 | 11,605.0 pounds |
| No LDEQ Reported 2006-03-25 | Spent Catalyst Slide Valve 1291-LV92 | Cause: The local valve position indicator showed the valve to be closed. Followup: No Notes: 1291LV92 was manually hand jacked to preperly seat the valve and lock it in place. | 952.0 pounds |
| 117421 2009-08-21 | 410-PSV-061 | Cause: Electrical contractors were working inside the instrumentation building in the Crude Tankage area of the refinery. One of them bumped the on/off switch for the Uninterruptible Power Supply (UPS) which provides power to the controllers for both the Crude Oil Unit's charge pumps and the Refinery's purchased fuel gas system.
Due to a loss of signal from the control system, when their power was turned off, bumped by an electrical contractor, both the Crude Oil Charge pump valves and purchased fuel gas valves when into their fail safe mode of "closed." This caused a sudden increase in pressure on the fuel gas system, causing a release. Followup: No Notes: Cover has been placed over the on/off switch. | 4,469.0 pounds |
| 116329 2009-07-09 | 410-PSV-061 | Cause: Pressure in the refinery instrument air supply system decreased unexpectedly which resulted in the loss of pressure control at the Enbridge purchased fuel gas control station (on the property of the refinery). This loss of pressure control caused the PSV (410-PSV-061) to lift until proper pressure within the instrument air system could be restored. Followup: No Notes: Immediately regained control of the plant fuel gas system manually. "No offsite impact was noted." | 12,284.0 pounds |
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