An ammonia gas leak occurred at a seafood export unit in Thiruvallur district, Tamil Nadu, on June 21, 2026, killing two workers and leaving several others in critical condition. At least 46 workers, most from northern Indian states, are undergoing treatment in hospitals. Tamil Nadu Governor Rajendra Arlekar expressed condolences over the deaths. Ammonia is widely used in refrigeration and cold storage systems, particularly in seafood processing facilities, and can be toxic at high concentrations.
Environment
Ammonia Gas Leak at Tamil Nadu Seafood Export Unit Kills 2 Workers; 46 Undergoing Treatment
Key Points
- An ammonia gas leak occurred at a seafood export unit in Thiruvallur district, Tamil Nadu, on June 21, 2026, killing two workers and leaving several others in critical condition
- At least 46 workers, most from northern Indian states, are undergoing treatment in hospitals
- Tamil Nadu Governor Rajendra Arlekar expressed condolences over the deaths
- Ammonia is widely used in refrigeration and cold storage systems, particularly in seafood processing facilities, and can be toxic at high concentrations
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• Tamil Nadu, Thiruvallur: Ammonia gas leak at seafood export unit (June 21, 2026) • Deaths: 2 workers; Under treatment: 46 workers (mostly from northern states) • Tamil Nadu Governor: Rajendra Arlekar; CM: M.K. Stalin (DMK) • Ammonia: widely used in refrigeration/cold storage; toxic at high concentrations
