Alon USA Big Spring Refinery - Accident History

| Accident History | Chemicals | Emergency Response | Registration | Source | Executive Summary |

Accident on 1996-05-20 02:00:00

Industry (NAICS):Petroleum Refineries (32411)
Duration of Release:00:05:00

Release Event

Gas Release?y
Liquid Spill/Evaporation?n

Release Source

Storage Vessel:n
Process Vessel:n
Transfer Hose:n
Other Release Source:intermittent release through the flare system caused a misting rain of a HF Acid and water mixture to fall on a truck driver causing minor skin burns.

Weather Conditions at the Time of Event

Wind: unkown
Atmospheric Stability Class:u
Precipitation Present?n
Unknown Weather Conditions?y

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 ($):150000

Known Off-Site Impacts

Other Medical Treatments: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
Upset condition:y
By-pass condition:n
Maintenance activity/inactivity:n
Process design failure:y
Unsuitable equipment:n
Unusual weather condition:n
Managment error:n
Other contributing factor:none

Off-site Responders Notified

Off-site Responders Notified?No, not Notified

Changes Introduced as a Result of the Accident

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

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

100% of 5 lbs. of the Toxic Chemical "Hydrogen Fluoride/Hydrofluoric Acid (Conc 50% Or Greater) [Hydrofluoric Acid]", CAS: 7664-39-3.

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