Government or official record
Chemical safety in a vulnerable world
World Health Organization
Where this source supports the record
Each entry separates the article’s editorial relevance note from its exact, section-level claims. A bibliography link without a direct claim is labeled plainly.
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Engineering failures · 2-3 December 1984Open article references →
Bhopal Gas Disaster
Former Union Carbide India pesticide plant · India
Why editors use it hereWorld Health Organization publication placing Bhopal within chemical-safety and prevention practice.
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Quick read
During the night of 2-3 December 1984, a toxic gas cloud escaped from a pesticide plant operated by Union Carbide India Limited in Bhopal.
Reviewed 4 August 2026 -
Trigger and conditions
Water entered a methyl isocyanate storage tank and initiated a runaway reaction that raised temperature and pressure.
Reviewed 4 August 2026 -
Uncertainty
Immediate and long-term death estimates vary because registration, diagnosis, migration, and definitions of exposure-related mortality differ.
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Why it matters
Bhopal demonstrates that industrial disasters are built over time through design, maintenance, labor, land use, regulation, and unequal access to information.
Reviewed 4 August 2026
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Quick read