Key Points
Two Japanese workers hospitalized after toxic gas exposure during May 26 shell processing in China.
Japan spends over 4 billion yen annually removing 100,000 buried chemical weapons.
Second documented accident in 18 months raises safety concerns.
Government has not disclosed updated safety procedures since 2024 incident.
Japan’s government disclosed that two workers were hospitalized after exposure to toxic gas during cleanup of abandoned Japanese military chemical weapons in northeastern China on May 26. The incident occurred while processing artillery shells in Jilin Province, where Japan spends over 4 billion yen annually removing weapons left behind after World War II. This marks the second accident in 18 months and highlights ongoing safety risks from 100,000 buried weapons.
How the Accident Happened
On May 26, toxic gas leaked from artillery shells during excavation and recovery work at a facility in Jilin Province, northeastern China. Two Japanese workers sustained hand injuries and were admitted to a local hospital. The Cabinet Office confirmed both workers suffered no life-threatening injuries but required hospitalization for treatment.
Japan’s Massive Cleanup Budget
Japan’s government has spent over 4 billion yen annually since 2000 to locate, excavate, and safely dispose of abandoned chemical weapons. More than 100,000 artillery shells remain buried across China. The cleanup operation represents Japan’s ongoing responsibility for weapons left behind after the war ended in 1945.
Pattern of Safety Incidents
A 50-year-old male worker suffered mustard gas exposure to his left hand during similar cleanup work in November 2024. The latest incident reveals recurring hazards despite safety protocols. Officials have not disclosed whether procedures were changed after the 2024 accident.
Broader Crime and Accident Reports in Japan
Chiba Prefecture police reported multiple arrests on June 3, including telephone fraud schemes targeting elderly residents and sexual assault cases. One 18-year-old was arrested for stealing 86-year-old woman’s bankbook through a fraud call. These incidents show Japan faces both historical hazards and ongoing public safety challenges.
Final Thoughts
Japan’s chemical weapons cleanup continues to pose serious risks to workers despite decades of remediation efforts. The government must evaluate safety procedures to prevent further injuries during this long-term operation.
FAQs
Japan left chemical weapons after World War II ended in 1945 and is legally responsible for their safe removal and disposal.
Over 100,000 artillery shells containing chemical weapons remain buried across China, primarily in northeastern provinces.
Japan spends over 4 billion yen annually on excavation, recovery, and disposal of abandoned chemical weapons since 2000.
Disclaimer:
The content shared by Meyka AI PTY LTD is solely for research and informational purposes. Meyka is not a financial advisory service, and the information provided should not be considered investment or trading advice.
About Author

Huzaifa Zahoor
Co FounderHuzaifa Zahoor is the engineer who built Meyka. He has spent years writing Python, training AI models, and building data pipelines specifically for financial markets. His technical articles have reached over 30,000 readers on Medium, so he knows how to make complex things easy to follow. If this article touches on how the tools work, he is the person who actually built them.
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