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Level 1 Alert lasting longer than 20 minutes or with odors
Notification Only - Flaring incident at Phillips 66 Rodeo that may be seen by the surrounding community.
January 24, 2023, 2:29 pm

Rodeo, CA


The Air Liquide - Rodeo Hydrogen Plant is part of the Air Liquide Large Industries U.S. LP, Houston, Texas operations. The primary purpose of this facility is the manufacturing of gaseous hydrogen for Phillips 66 Refinery in Rodeo, California. The purified hydrogen is sold to industrial customers including Phillips 66 Refinery. The plant also produces steam and electricity, sold directly to Phillips 66 Refinery.

The Air Liquide - Rodeo Hydrogen Plant started operation in summer of 2009.

For additional information regarding this facility's operations and regulated materials handled, please view the Fact Sheet | Spanish and Audit Summary | Spanish.

Regulated Substances Subject to CalARP/Federal RMP/ISO:
Regulated Substance Program Level CalARP Regulated Federal RMP Regulated ISO Regulated
Hydrogen 3 yes yes yes
Aqueous Ammonia 2 yes no yes