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|State Police #||07-00572|
|Pollutant||Duration||Point Source||Greenhouse Gas||Criteria Pollutant||Ozone forming chemical||Amount of Release|
|Sulfur Dioxide||26m||FLARE - 308F-D-1 Low Pressure Flare||NO||YES||NO||646.9 pounds|
|Hydrogen Sulfide||26m||FLARE - 308F-D-1 Low Pressure Flare||NO||NO||NO||6.5 pounds|
|Nitrogen Dioxide||26m||FLARE - 308F-D-1 Low Pressure Flare||NO||YES||YES||8.3 pounds|
|Hydrocarbon||26m||FLARE - 308F-D-1 Low Pressure Flare||NO||NO||YES||79.9 pounds|
Accident Classified As:
A 34.5KV lightning arrestor failed near breaker W5305 (Carlisle #1 Line Bus, and an insulator failed on the disconnect switch on the other side of breaker W5305 (ConocoPhillips # 2 Line Bus). ConocoPhillips Alliance breakers W5305, W5301, W5304 tripped along with Carlisle W6922 breaker. All of these de-energized ConocoPhillips #2 Line to the plant leading to the Coker Compressor to trip off the line. The compressors suction stream was automatically diverted to the Low Pressure Flare (308F-D-1) during the emergency shutdown of the compressor.
It was considered an unexpected mechanical function.
Three arrestors on breaker W3505 were replaced, as well as a failed insulator. Preventive measures are in place, but incidents of this type could not be anticipated by the prevention measures. A further investigation to discover the root cause of the malfunctions is ongoing.