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|State Police #||12-07265|
|Pollutant||Duration||Point Source||Greenhouse Gas||Criteria Pollutant||Ozone forming chemical||Amount of Release|
|Propylene||2H||GO-1 Elevated Flare (EPN 1-90)||NO||NO||YES||BRQ|
|Sulfur Dioxide||2H||GO-1 Elevated Flare (EPN 1-90)||NO||YES||NO||BRQ|
Accident Classified As: Below Reportable Quantity (BRQ)
On 11/6/12, Shell Chemical's GO-1 Process Unit flared at the GO-1 Elevated Flare (EPN 1-90). The flaring was a result of an unexpected unit upset in GO-1 caused by the receiving of off specification feed from a supplier.
Once the upset occurred, GO-1 operations took the necessary steps to minimize flaring and safely return the units to normal operating conditions and the flaring stopped. Investigation and data gathering confirm that no RQ or maximum permitted limits were exceeded.