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Valero (26003), Norco

Releases of Recirculating cooling water

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release

Flare No. 1, Flare No. 2
Cause: Refinery cooling water tower CT-405 experienced a valve malfunction which resulted in a loss of cooling water to our Naphtha Hydrotreating unit (NHT). Due to the lack of cooling water, our NHT stripper overhead pressure increased and caused PSV-39-235 to relieve to the flare. Simultaneously when the CT-405 valve malfunction, the recirculating cooling water was released from the basin to the ground and flowed offsite.

Followup: No

6,000.0 gallons