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Valero (26003), Norco
LDEQ Accident Report
| Accident # | 101863 |
| State Police # | 07-07716 |
| Accident Date | 2007-12-21 |
| Report Date | 2007-12-28 |
| Follow-up Date | 0000-00-00 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Ethane | 0 h 30 m | outlet line of the C3C4 KOH Dryers (V-17-05A/B) | NO | NO | YES | 156.0 pounds |
| Propane | 0 h 30 m | outlet line of the C3C4 KOH Dryers (V-17-05A/B) | NO | NO | YES | 1,273.0 pounds |
| Isobutane | 0 h 30 m | outlet line of the C3C4 KOH Dryers (V-17-05A/B) | NO | NO | YES | 834.0 pounds |
| n-Butane | 0 h 30 m | outlet line of the C3C4 KOH Dryers (V-17-05A/B) | NO | NO | NO | 2,596.0 pounds |
| Isopentane | 0 h 30 m | outlet line of the C3C4 KOH Dryers (V-17-05A/B) | NO | NO | YES | 409.0 pounds |
| n-Pentane | 0 h 30 m | outlet line of the C3C4 KOH Dryers (V-17-05A/B) | NO | NO | NO | 118.0 pounds |
Accident Classified As:
Cause of Problem: Piping or Tubing
A hole was found in the LPG line that feeds the T-17 bullets. The hole was 1/4 inch.
Discharge Preventable -
Notes/Remedial Actions
Valero responded to the leak found by submerging the line with fire water to suppress vapors, isolating the leak, and depressuring the line/vessel to flare. The failed section of the pipe was replaced and the line returned back to service. The isolationand depressurization lasted approximately 1h 15m.
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