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Peak Fire Fly Ash Exposure Event 2026

  • Incident Information:

    Attachment Size
    Peak Fire Fly Ash Exposure Event Lessons Learned Analysis.pdf (652.91 KB) 652.91 KB
    Safety Data Sheet - Fly Ash.pdf (147.91 KB) 147.91 KB
  • Location:

    California
  • Date:

    08/21/2010
  • Incident Type:

    Exposure
  • Description:

    While initial attacking a fire near Beckwourth, CA, resources notice the fire is burning in an unknown material that has a strange smell, unusual fire activity, and was causing some minor respiratory irritation. Thirty-seven firefighters were examined by an EMS group on site and later taken to a local hospital for further medical review.

    It was determined the fire had burned through an area where fly ash had been applied by the landowner as a soil amendment. Wood Fly Ash is a byproduct of burning wood material in an energy-generating plant. Fly Ash is a chemically inert material that--with excessive occupational uncontrolled inhalation--may cause lung cancer.