--- title: "Garden Grove Chemical-Tank Cleanup Begins as Bass Vows to Fix 'Systemic Failures'" description: "Hazmat crews are set to begin draining volatile chemicals from a Garden Grove aerospace plant on Monday, weeks after a tank emergency forced tens of thousands to evacuate — part of a wider reckoning over industrial safety that has Los Angeles Mayor Karen Bass pledging to fix 'longstanding systemic failures.'" category: "Los Angeles" category_url: https://herald.la/category/los-angeles author: "Desmond Clarke" published: 2026-06-27T20:38:57.000Z updated: 2026-06-27T20:38:57.000Z canonical: https://herald.la/article/garden-grove-chemical-tank-cleanup-begins-as-bass-vows-to-fix-systemic-failures tags: ["industrial safety", "GKN Aerospace", "Garden Grove", "hazmat", "Boyle Heights", "Karen Bass", "Orange County"] --- # Garden Grove Chemical-Tank Cleanup Begins as Bass Vows to Fix 'Systemic Failures' Hazmat crews are set to begin draining volatile chemicals from a Garden Grove aerospace plant on Monday, weeks after a tank emergency forced tens of thousands to evacuate — part of a wider reckoning over industrial safety that has Los Angeles Mayor Karen Bass pledging to fix 'longstanding systemic failures.' A long-delayed cleanup of hazardous chemicals at GKN Aerospace's plant in Garden Grove is scheduled to begin Monday, more than a month after a storage-tank emergency forced a sweeping evacuation across parts of north Orange County. ## What happened, and what comes next In May, a tank holding methyl methacrylate — a flammable liquid used in plastics and coatings — overheated and began to bulge and off-gas at the GKN facility, prompting authorities to evacuate a roughly nine-square-mile area spanning Garden Grove and several neighboring cities. Tens of thousands of residents were displaced, some over a holiday weekend. No injuries were reported. The Orange County Health Care Agency, which had pushed the removal back from early June after specialized transport trucks were not ready, now says work will begin Monday and proceed in phases over several days, [LAist reported](https://laist.com/news/climate-environment/gkn-aerospace-cleanup-in-garden-grove-begins-monday-heres-what-to-expect). Crews will pump the neutralized chemical into sealed, temperature-controlled trucks for off-site disposal, working only in daylight hours. Residents near the plant may notice a fruity or plastic-like odor during the work, but officials say airborne levels will stay below thresholds that pose a health risk, [according to CBS Los Angeles](https://www.cbsnews.com/losangeles/news/orange-county-health-odors-gkn-aerospace-chemical-tank-cleanup/). Air monitoring is running at the plant's fence line and in surrounding neighborhoods, with data posted publicly. ## Investigations and lawsuits The emergency has drawn law-enforcement scrutiny. Federal agents served a search warrant at the facility in June seeking records on the storage and handling of the chemical, and dozens of civil lawsuits have been filed by residents and businesses citing evacuation costs and other damages. GKN has pledged millions of dollars in community assistance, a sum some local officials have called insufficient. ## A wider reckoning — and a mayor's pledge Garden Grove sits in Orange County, outside Los Angeles's jurisdiction. But the GKN emergency has unfolded alongside a separate industrial disaster inside LA city limits: the June fire at a Boyle Heights cold-storage warehouse, where a ruptured ammonia refrigeration line triggered explosions and a days-long blaze that the Herald has previously covered. Mayor Bass declared a local emergency over that fire. This week, Bass went further, vowing to address the conditions she says repeatedly put working-class neighborhoods in harm's way. She pledged to "hold those responsible fully accountable" and to "change the longstanding systemic failures" that have left communities like Boyle Heights disproportionately exposed to industrial accidents, [KTLA reported](https://ktla.com/news/local-news/mayor-bass-vows-to-change-longstanding-systemic-failures-that-lead-to-major-industrial-incidents-in-los-angeles/). ## The accountability question Both incidents have sharpened a question that predates either one: why do facilities with known histories of regulatory problems keep failing in ways that endanger their neighbors? Worker-safety and environmental advocates have long argued that California's enforcement agencies are understaffed and too reliant on paperwork rather than on-site inspections. For now, the immediate task in Garden Grove is narrower — emptying the tanks safely and letting residents breathe easier. But with criminal and civil cases mounting in Orange County and a Los Angeles mayor now publicly demanding structural change, the political aftermath of California's industrial-safety failures is only beginning to take shape. ## Sources - [GKN Aerospace cleanup in Garden Grove begins Monday — here's what to expect](https://laist.com/news/climate-environment/gkn-aerospace-cleanup-in-garden-grove-begins-monday-heres-what-to-expect) - [Mayor Bass vows to change 'longstanding systemic failures' behind major industrial incidents](https://ktla.com/news/local-news/mayor-bass-vows-to-change-longstanding-systemic-failures-that-lead-to-major-industrial-incidents-in-los-angeles/) - [Orange County Health says odors may occur as GKN Aerospace chemical tank cleanup continues](https://www.cbsnews.com/losangeles/news/orange-county-health-odors-gkn-aerospace-chemical-tank-cleanup/)