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Shell refinery unit in Deer Park had history of malfunctions before fire

Recent “upsets” like tripped compressors, pressure loss and freezing weather resulted in thousands of pounds of unauthorized pollution but no fines or citations from the Texas Commission on Environmental Quality.

An overhead view of an explosion at a Shell USA Inc. facility on May 5, 2023 in Deer Park.

Monitors detect no threats to health

History of malfunctions

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