Key facts
- GKN Aerospace will pay up to $100 million to settle claims from a chemical incident.
- Over 50,000 residents were evacuated from Garden Grove, California, for five days in May 2026.
- The incident involved an overheating chemical tank at GKN's Transparency Systems plant.
- The claims program will cover expenses like hotel stays, meals, transportation, and lost wages.
- The Orange County District Attorney's Office closed its criminal investigation without charges.
- GKN targets September 28 to resume full production, contingent on safety compliance.
Melrose Industries, the owner of GKN Aerospace, has agreed to pay up to $100 million to settle claims stemming from a chemical incident at its Garden Grove, California plant. The incident in May 2026 involved an overheating chemical tank that raised fears of an explosion, prompting the evacuation of over 50,000 residents for five days. The Orange County District Attorney's Office announced it would close its criminal investigation without bringing charges. The settlement includes a claims program to reimburse affected individuals for expenses such as hotel stays, meals, transportation, and lost wages. Additionally, GKN is negotiating a civil disposition that will involve a safety plan and independent monitoring, subject to judicial approval. The company is targeting September 28 to resume full production, provided it meets all required safety standards. The news led to an 8% rise in Melrose shares, with analysts noting the clarity on end costs and the reopening timeline as positive factors.