USDA Forest Service – Fire & Aviation Management

Industry Engagement Notice: Long-Term Fire Retardant Specification Revision

Event Date: November 10, 2026

Event Time: Start time TBD. All activities are expected to be completed by no later than 17:00 local (mountain) time.

Location: In-Person: Jack Wilson Building, National Interagency Fire Center, Boise, ID / Virtual Option: Link will be emailed to registered attendees in advance. Reasonable accommodations will be made to participate in the event for interested parties. This includes a virtual option to listen in, be sure to register in advance.

Overview: The USDA Forest Service Fire and Aviation Management will host an Industry Engagement session focusing on the revision and updates to the long-term fire retardant specification (FS 5100-304e) and the associated standard test procedures. These revisions are being made in response to issues identified during the qualification process by the National Transportation Safety Board (NTSB).