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|State Police #||06-06406|
|Pollutant||Duration||Point Source||Greenhouse Gas||Criteria Pollutant||Ozone forming chemical||Amount of Release|
|Butene||1h 15m||5 light ends unit T-2 Depropanizer||NO||NO||YES||265.0 pounds|
|Propylene||1h 15m||5 light ends unit T-2 Depropanizer||NO||NO||YES||5.0 pounds|
|Volatile Organic Compounds (VOCs)||1h 15m||5 light ends unit T-2 Depropanizer||NO||NO||YES||200.0 pounds|
|Highly Reactive Volatile Organic Compounds (HRVOCs)||1h 15m||5 light ends unit T-2 Depropanizer||NO||NO||NO||46.0 pounds|
Accident Classified As:
the 5 Light Ends Unit T-2 Depropanizer tower reboiler had a leaking channel box. This leak is thought to have been caused by the failure of the channel box seal.
This incident was not preventable because this reboiler channel box seal failure was unexpected. Remedial Measures - The seal will be replaced. The reportable quantity for butenes has been exceeded.