CHEVRON PHILLIPS CHEMICAL CEDAR BAYOU PLANT

SummaryThe Chevron Phillips Chemical Cedar Bayou Plant in Baytown, Texas experienced a significant chemical release involving multiple hazardous substances, including benzene, carbon monoxide, and other industrial chemicals. Several dangerous chemicals were emitted during this incident, with benzene being particularly concerning due to its known health risks and potential for causing long-term respiratory and cancer-related health problems. Residents in the Baytown area should immediately contact local health authorities, stay indoors with windows closed, avoid outdoor activities, and seek medical attention if they experience symptoms like headaches, dizziness, or breathing difficulties.

What was emitted

• 210.90 POUNDS of 1,3-BUTADIENE
• 21.90 POUNDS of Acetylene
• 112.10 POUNDS of Benzene
• 45.40 POUNDS of Butane
• 64.10 POUNDS of Butene
• 123.40 POUNDS of C5+ (not including benzene)
• 11620.40 POUNDS of Carbon Monoxide
• 73.50 POUNDS of Cyclopentadiene
• 4562.70 POUNDS of Ethylene (gaseous)
• 10.80 POUNDS of Hexene
• 1782.60 POUNDS of NOX
• 16.80 POUNDS of Pentadiene
• 8.50 POUNDS of Pentenes
• 24.60 POUNDS of Propane
• 184.10 POUNDS of Propylene (Propene)
• 10.90 POUNDS of Toluene
• 2.90 POUNDS of Xylene

How did it happenA sudden and unexpected disruption in steam supply caused by a boiler feed water process upset resulted in process gas being routed to the flare.