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Accident # | 115023 |
State Police # | 091520 |
Accident Date | 2009-05-16 |
Report Date | 2009-05-20 |
Follow-up Date | 2009-10-01 |
Follow-up: | Yes |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Methane | 29 hours | Platformer Debutanizer Trim Cooler, #1 Cooling Tower EQI: 61a-74 | YES | NO | YES | 0.9 pounds |
Ethane | 29 hours | Platformer Debutanizer Trim Cooler, #1 Cooling Tower EQI: 61a-74 | NO | NO | YES | 36.9 pounds |
Propane | 29 hours | Platformer Debutanizer Trim Cooler, #1 Cooling Tower EQI: 61a-74 | NO | NO | YES | 157.8 pounds |
Isobutane | 29 hours | Platformer Debutanizer Trim Cooler, #1 Cooling Tower EQI: 61a-74 | NO | NO | YES | 102.0 pounds |
n-Butane | 29 hours | Platformer Debutanizer Trim Cooler, #1 Cooling Tower EQI: 61a-74 | NO | NO | NO | 504.0 pounds |
1-Pentene | 29 hours | Platformer Debutanizer Trim Cooler, #1 Cooling Tower EQI: 61a-74 | NO | NO | YES | 54.0 pounds |
n-Pentane | 29 hours | Platformer Debutanizer Trim Cooler, #1 Cooling Tower EQI: 61a-74 | NO | NO | NO | 28.0 pounds |
Volatile Organic Compounds (VOCs) | 29 hours | Platformer Debutanizer Trim Cooler, #1 Cooling Tower EQI: 61a-74 | NO | NO | YES | 1,779.5 pounds |
Accident Classified As:
A high LEL was found at the #1 cooling tower, operations started checking for leaks and found that the debutanizer overhead trim cooler, 12-1309, was leaking hydrocarbons into the cooling water. Leak caused by under deposit corrosion.
Failure was unforeseeable.
The debutanizer trim cooler was isolated and leaking tubing plugged.
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