Exxon Chemical Baytown Chemical Plant - Accident History

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Accident on 1997-02-24 10:00:00

Industry (NAICS):Petrochemical Manufacturing (32511)
Duration of Release:00:05:00

Release Event

Gas Release?y
Liquid Spill/Evaporation?n
Fire?n
Explosion?n

Release Source

Storage Vessel:n
Piping:n
Process Vessel:n
Transfer Hose:n
Valve:y
Pump:n
Joint:n
Other Release Source:

Weather Conditions at the Time of Event

Wind: 10 Miles an Hour blowing East South East at 50 Degrees Fahrenheit
Atmospheric Stability Class:d
Precipitation Present?n
Unknown Weather Conditions?n

On-Site Impacts

Employee or Contractor Deaths:0
Public Responder Deaths:0
Public Deaths:0
Employee or Contractor Injuries:1
Public Responder Injuries:0
Public Injuries:0
On-site Property Damage ($):0

Known Off-Site Impacts

Deaths:0
Hospitalization:0
Other Medical Treatments:0
Evacuated:0
Sheltered-in-place:0
Off-site Property Damage ($):0

Environmental Damage

Fish or Animal Kills:n
Tree, Lawn, Shrub, or Crop Damage:n
Water Contamination:n
Soil Contamination:n
Other Environmental Damage:

Initiating Event

Initiating Event:Equipment failure

Contributing Factors

Equipment failure:y
Human error:y
Improper procedures:n
Overpressurization:y
Upset condition:n
By-pass condition:n
Maintenance activity/inactivity:y
Process design failure:n
Unsuitable equipment:n
Unusual weather condition:n
Managment error:n
Other contributing factor:

Off-site Responders Notified

Off-site Responders Notified?Notified Only

Changes Introduced as a Result of the Accident

Improved or upgraded equipment:n
Revised maintenance:y
Revised training:y
Revised operating procedures:y
New process controls:n
New mitigation systems:n
Revised emergency response plan:y
Changed process:n
Reduced inventory:n
None:n
Other changes introduced:

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

100% of 50 lbs. of the Flammable Chemical "Propylene [1-Propene]", CAS: 115-07-1.

Accident on 1998-06-29 12:58:00

Industry (NAICS):Petrochemical Manufacturing (32511)
Duration of Release:02:41:00

Release Event

Gas Release?y
Liquid Spill/Evaporation?n
Fire?y
Explosion?n

Release Source

Storage Vessel:n
Piping:y
Process Vessel:n
Transfer Hose:n
Valve:n
Pump:n
Joint:n
Other Release Source:Compressor

Weather Conditions at the Time of Event

Wind: 9 Miles an Hour blowing South East at 88 Degrees Fahrenheit
Atmospheric Stability Class:c
Precipitation Present?n
Unknown Weather Conditions?n

On-Site Impacts

Employee or Contractor Deaths:0
Public Responder Deaths:0
Public Deaths:0
Employee or Contractor Injuries:0
Public Responder Injuries:0
Public Injuries:0
On-site Property Damage ($):500000

Known Off-Site Impacts

Deaths:0
Hospitalization:0
Other Medical Treatments:0
Evacuated:0
Sheltered-in-place:0
Off-site Property Damage ($):0

Environmental Damage

Fish or Animal Kills:n
Tree, Lawn, Shrub, or Crop Damage:n
Water Contamination:n
Soil Contamination:n
Other Environmental Damage:None

Initiating Event

Initiating Event:Equipment failure

Contributing Factors

Equipment failure:y
Human error:n
Improper procedures:n
Overpressurization:n
Upset condition:n
By-pass condition:n
Maintenance activity/inactivity:y
Process design failure:n
Unsuitable equipment:n
Unusual weather condition:n
Managment error:n
Other contributing factor:

Off-site Responders Notified

Off-site Responders Notified?Notified Only

Changes Introduced as a Result of the Accident

Improved or upgraded equipment:y
Revised maintenance:y
Revised training:y
Revised operating procedures:n
New process controls:n
New mitigation systems:n
Revised emergency response plan:y
Changed process:n
Reduced inventory:n
None:n
Other changes introduced:

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

93.8% of 47124 lbs. of the Toxic Chemical "Methyl Chloride [Methane, Chloro-]", CAS: 74-87-3.
5.8% of 2907 lbs. of the Flammable Chemical "2-Methylpropene [1-Propene, 2-Methyl-]", CAS: 115-11-7.
0.4% of 204 lbs. of the Flammable Chemical "Isoprene [1,3-Butadiene, 2-Methyl-]", CAS: 78-79-5.

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