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Valero (26003), Norco

Releases of Ammonia

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
120151

2009-12-13		tank T-04-32
Cause: Due to heavy rains falling onto tank T-04-32 (sour water tank, EQT 099), the tank's external floating roof became imbalanced and began to tilt. This allowed hydrocarbon material to seep onto the rooftop.

Followup: No

Notes: A vapor suppressing foam blanket was applied to reduce the evaporation of hydrocarbons.		1.0 pounds