- July 1, 2026
- Updated 12:09 am
Chemical Incident Concerns at Orange County Facility
Crews are working to verify if a crack in a tank is releasing pressure, which would mean that a BLEVE, or boiling liquid expanding vapor explosion, is no longer a threat. Chief McGovern of the Orange County Fire Authority stated that an overnight mission would confirm whether the pressure has been released, with updates expected on Monday. While the potential for an explosion exists, releasing pressure would prevent the more severe BLEVE, allowing for a reduced evacuation zone and focus on cooling the tank.
Reports indicate no toxic air release has occurred from the possible fissure in the tank at GKN Aerospace. Concerns remain about the tank rupturing and releasing harmful materials into the air and waterways. According to the Los Angeles Times, one of three tanks at the site has been neutralized, but the affected tank remains a concern. The fire authority clarified that weather stripping peeling is not an additional crack, and ongoing air monitoring shows no chemical leaks.
GKN Aerospace is actively monitoring the situation and working nonstop to minimize leak risks. An explosion could also trigger blasts in nearby tanks that store methyl methacrylate. Division Chief Craig Covey highlighted fears of a severe chemical incident in California’s history, with a blast radius potentially causing significant structural damage and dispersing toxic vapors over half a mile.
Shelters in Orange County are nearing capacity as 50,000 residents are under evacuation orders. Lydia Green, an evacuee from Anaheim, struggles with the absence of basic necessities during this crisis. She expressed her distress, sharing her experience of sleeping in the car due to hotel shortages. Another evacuee, Jaden Gebeleinis, questioned the placement of facilities near residential areas and hoped that the situation is handled effectively to prevent disaster.
The American Red Cross reported that shelters in the region are full or nearly full. McGovern noted that a timeline for when residents can return is not yet available. Initial problems began with a vapor release from a 7,000-gallon tank, which showed rising temperatures. Firefighters are cooling the tank, yet temperatures remain high.
Governor Gavin Newsom declared a state of emergency on Saturday, seeking federal assistance from the President to aid the county’s response efforts. McGovern assured collaboration between officials and innovative thinking to ensure families can safely return home. Updates are forthcoming as crews continue their work.