Advanced Silicon Materials Inc. - Accident History

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Accident on 1994-08-09 19:36:00

Industry (NAICS):All Other Basic Inorganic Chemical Manufacturing (325188)
Duration of Release:00:01:00

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: 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 ($):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:n
Process design failure:y
Unsuitable equipment:y
Unusual weather condition:n
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:y
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:n
Reduced inventory:n
None:n
Other changes introduced:Revised personal protective equipment requirement

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

10% of 1 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.

Accident on 1994-08-31 16:00:00

Industry (NAICS):All Other Basic Inorganic Chemical Manufacturing (325188)
Duration of Release:00:15:00

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:Scrubber vent

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: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 ($):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:y
Human error:y
Improper procedures:n
Overpressurization:y
Upset condition:y
By-pass condition:n
Maintenance activity/inactivity:n
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:n
Revised training:n
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

85% of 43 lbs. of the Flammable Chemical "Silane", CAS: 7803-62-5.
15% of 7 lbs. of the Flammable Chemical "Dichlorosilane [Silane, Dichloro-]", CAS: 4109-96-0.

Accident on 1995-08-22 22:30:00

Industry (NAICS):All Other Basic Inorganic Chemical Manufacturing (325188)
Duration of Release:00:01:00

Release Event

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

Release Source

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

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 ($):1100

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:n
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:y
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:y
Revised maintenance:n
Revised training:y
Revised operating procedures:y
New process controls:y
New mitigation systems:n
Revised emergency response plan:n
Changed process:n
Reduced inventory:n
None:n
Other changes introduced:Revised plant safety policy

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

10% of 1 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.

Accident on 1997-01-27 07:20:00

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

Release Event

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

Release Source

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

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:0
Public Responder Injuries:0
Public Injuries:0
On-site Property Damage ($):85000

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:n
Improper procedures:n
Overpressurization:n
Upset condition:n
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:

Off-site Responders Notified

Off-site Responders Notified?No, not Notified

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

73% of 40 lbs. of the Flammable Chemical "Dichlorosilane [Silane, Dichloro-]", CAS: 4109-96-0.
10% of 5 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
2% of 1 lbs. of the Flammable Chemical "Silane", CAS: 7803-62-5.

Accident on 1998-10-08 22:34:00

Industry (NAICS):All Other Basic Inorganic Chemical Manufacturing (325188)
Duration of Release:00:20:00

Release Event

Gas Release?y
Liquid Spill/Evaporation?n
Fire?y
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: 4 Miles an Hour blowing South South East at 56 Degrees Fahrenheit
Atmospheric Stability Class:d
Precipitation Present?n
Unknown Weather Conditions?n

On-Site Impacts

Employee or Contractor Deaths:2
Public Responder Deaths:0
Public Deaths:0
Employee or Contractor Injuries:5
Public Responder Injuries:0
Public Injuries:0
On-site Property Damage ($):2200000

Known Off-Site Impacts

Deaths:0
Hospitalization:0
Other Medical Treatments:0
Evacuated:0
Sheltered-in-place:10
Off-site Property Damage ($):200000

Environmental Damage

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

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:y
Unsuitable equipment:n
Unusual weather condition:n
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:y
Revised training:n
Revised operating procedures:y
New process controls:n
New mitigation systems:n
Revised emergency response plan:y
Changed process:y
Reduced inventory:n
None:n
Other changes introduced:Revised personal protective equipment requirements

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

18.1% of 6200 lbs. of the Flammable Chemical "Trichlorosilane [Silane, Trichloro-]", CAS: 10025-78-2.
0.2% of 80 lbs. of the Flammable Chemical "Hydrogen", CAS: 1333-74-0.

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