DOW CORNING -- MIDLAND PLANT - Accident History

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

Accident on 1996-06-26 18:16:00

Industry (NAICS):All Other Basic Inorganic Chemical Manufacturing (325188)
Duration of Release:00:10:00

Release Event

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

Release Source

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

Weather Conditions at the Time of Event

Wind: 7 Miles an Hour blowing South South East at 80 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: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:y
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?No, not Notified

Changes Introduced as a Result of the Accident

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

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

100% of 2 lbs. of the Toxic Chemical "Hydrochloric Acid (Conc 30% Or Greater)", CAS: 7647-01-0.

Accident on 1997-07-21 14:50:00

Industry (NAICS):All Other Basic Inorganic Chemical Manufacturing (325188)
Duration of Release:00:02:00

Release Event

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

Release Source

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

Weather Conditions at the Time of Event

Wind: 14 Miles an Hour blowing East North East at 79 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:Human error

Contributing Factors

Equipment failure:n
Human error:y
Improper procedures:y
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?No, not Notified

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:n
Changed process:n
Reduced inventory:n
None:n
Other changes introduced:

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

100% of 100 lbs. of the Toxic Chemical "Ethylenediamine [1,2-Ethanediamine]", CAS: 107-15-3.

Accident on 1997-08-17 11:25:00

Industry (NAICS):All Other Pipeline Transportation (48699)
Duration of Release:02:40:00

Release Event

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

Release Source

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

Weather Conditions at the Time of Event

Wind: 7 Miles an Hour blowing East at 70 Degrees Fahrenheit
Atmospheric Stability Class:d
Precipitation Present?y
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 ($):5000

Known Off-Site Impacts

Deaths:0
Hospitalization:0
Other Medical Treatments:2
Evacuated:0
Sheltered-in-place:1000
Off-site Property Damage ($):20000

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

Off-site Responders Notified

Off-site Responders Notified?Unkown

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:n
New mitigation systems:n
Revised emergency response plan:n
Changed process:n
Reduced inventory:n
None:n
Other changes introduced:

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

0% of 999 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.

Accident on 1998-02-05 17:31:00

Industry (NAICS):All Other Pipeline Transportation (48699)
Duration of Release:00:30:00

Release Event

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

Release Source

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

Weather Conditions at the Time of Event

Wind: 8 Miles an Hour blowing East at 29 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 ($):0

Known Off-Site Impacts

Deaths:0
Hospitalization:0
Other Medical Treatments:0
Evacuated:0
Sheltered-in-place:50
Off-site Property Damage ($):250

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:Human error

Contributing Factors

Equipment failure:n
Human error:y
Improper procedures:y
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?Unkown

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:n
Changed process:n
Reduced inventory:n
None:n
Other changes introduced:

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

0% of 621 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.

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