S.D. Warren Co. (Somerset Mill) - Accident History

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

Accident on 1998-03-14 21:00:00

Industry (NAICS):Paper (except Newsprint) Mills (322121)
Duration of Release:03:20:00

Release Event

Gas Release?y
Liquid Spill/Evaporation?n

Release Source

Storage Vessel:n
Process Vessel:n
Transfer Hose:n
Other Release Source:Drain lines into R-10 sewer line in railroad car unloading area.

Weather Conditions at the Time of Event

Wind: 8 Miles an Hour blowing North at 29 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:1
Public Responder Injuries:0
Public Injuries:0
On-site Property Damage ($):0

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:

Initiating Event

Initiating Event:Equipment failure

Contributing Factors

Equipment failure:y
Human error:n
Improper procedures: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:n
Other contributing factor:Sewer line pressurized and blew out waterseals in drains to sewer.

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:n
Revised operating procedures:n
New process controls:n
New mitigation systems:n
Revised emergency response plan:n
Changed process:n
Reduced inventory:n
Other changes introduced:Scheduled to cap off drains in railroad car unloading area.

Confidention Business Information

CBI claimed?n

Chemicals in Accident History

0.1% of 1 lbs. of the Toxic Chemical "Chlorine Dioxide [Chlorine Oxide (Clo2)]", CAS: 10049-04-4.

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