A chemical emergency involving an aerospace company led to mass evacuations in California and resulted in a new lawsuit. The UK-based company, GKN Aerospace, faces accusations of negligence, trespass, and nuisance. Plaintiffs argue the company neglected safety protocols despite regulatory warnings and a history of environmental violations.
The incident began when a storage tank containing methyl methacrylate (MMA) malfunctioned. This required evacuation orders across several Orange County cities over the Memorial Day weekend. A crack formed in the tank, reducing pressure and preventing a potential explosion. Thus, most of the evacuees returned home safely, according to officials.
“The incident prompted Governor Gavin Newsom to declare a state of emergency. Measures aimed to mitigate repercussions from the hazardous chemical event in Garden Grove.”
The lawsuit highlights that chemical vapors intruded into residents’ properties, constituting trespass. Plaintiffs demand compensation for emotional distress and property devaluation caused by chemical contamination.
During this crisis, around 50,000 residents from Anaheim, Buena Park, Cypress, Garden Grove, Stanton, and Westminster had to evacuate. Despite the evacuations, Disneyland remained operational as the affected zone shrank.
A federal emergency declaration followed, authorized by President Donald Trump. The lawsuit alleges GKN knowingly disregarded safety protocols, further endangering nearby residents due to inadequate safety measures.
This facility, operational since 1966, manufactures aircraft components. It has faced previous regulatory action for environmental non-compliance. For instance, a 2025 air quality settlement involved a significant civil penalty.
The Environmental Protection Agency reports that MMA exposure can cause respiratory and neurological problems, as well as skin and eye irritation.
According to the Orange County Register, there have been at least 44 related lawsuits filed. Evacuees were required to relocate temporarily due to the tank leak.
In response, GKN Aerospace issued an apology for the emergency. Senior Vice President Steve Carlin expressed commitment to understanding the incident and aiding affected individuals.