Dow Chemical, Allyn's Point Plant - Accident History

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

Accident on 1999-04-05 16:45:00

Industry (NAICS):Polystyrene Foam Product Manufacturing (32614)
Duration of Release:00:45:00

Release Event

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

Release Source

Storage Vessel:n
Piping:n
Process Vessel:n
Transfer Hose:n
Valve:n
Pump:n
Joint:n
Other Release Source:Combustion of Extruded Polystyrene Foam Insulation

Weather Conditions at the Time of Event

Wind: 2.2 Meters a Second blowing South East at 55 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:0
Public Responder Injuries:0
Public Injuries:0
On-site Property Damage ($):420000

Known Off-Site Impacts

Deaths:0
Hospitalization:0
Other Medical Treatments:0
Evacuated:0
Sheltered-in-place:500
Off-site Property Damage ($):420000

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:Natural (weather conditions, earthquake)

Contributing Factors

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

Off-site Responders Notified

Off-site Responders Notified?Notified and Responded

Changes Introduced as a Result of the Accident

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

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

0% of 9600 lbs. of the Toxic Chemical "Hydrogen Fluoride/Hydrofluoric Acid (Conc 50% Or Greater) [Hydrofluoric Acid]", CAS: 7664-39-3.
0% of 9200 lbs. of the Toxic Chemical "Hydrochloric Acid (Conc 30% Or Greater)", CAS: 7647-01-0.

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