Dec. 3, 1984: Bhopal, ‘Worst Industrial Accident in History’
- By Tony Long
- December 3, 2010 |
- 7:00 am |
- Categories: 20th century, Business and Industry, Disasters
1984: Poison gas leaks from a Union Carbide pesticide factory in Bhopal, India. It spreads throughout the city, killing thousands of people outright and thousands more subsequently in a disaster often described as the worst industrial accident in history.
Union Carbide chose Bhopal, a city of 900,000 people in the state of Madhya Pradesh, because of its central location and its proximity to a lake and to the country’s vast rail system.
The plant opened in 1969 and produced the pesticide carbaryl, which was marketed as Sevin. Ten years later the plant began manufacturing methyl isocyanate, or MIC, a cheaper but more toxic substance used in the making of pesticides.
It was MIC gas that was released when water leaked into one of the storage tanks late on the night of Dec. 2, setting off the disaster. Gas began escaping from Tank 610 around 10:30 p.m., although the main warning siren didn’t go off for another two hours.
The first effects were felt almost immediately in the vicinity of the plant. As the gas cloud spread into Bhopal proper, residents were awakened to a blinding, vomiting, lung-searing hell. Panic ensued, and hundreds of people died in the chaotic stampede that followed.
An exact death toll has never been established. Union Carbide, not surprisingly, set the toll on the low end at 3,800, while municipal workers claimed to have cleared at least 15,000 bodies in the immediate aftermath of the accident. Thousands have died since, and an estimated 50,000 people became invalids or developed chronic respiratory conditions as a result of being poisoned.
Regardless of the numbers, all evidence pointed to Union Carbide and its Indian subsidiary (as well as the Indian government, its partner in the factory) being responsible for what occurred — mainly through negligence. Despite the extreme volatility and toxicity of the chemicals in use at the factory, safeguards known to be substandard were ignored rather than fixed.
In the subsequent investigations and legal proceedings, it was determined, among other things, that:
- Staffing at the plant had been cut to save money. Workers who complained about codified safety violations were reprimanded and, occasionally, fired.
- No plan existed for coping with a disaster of this magnitude.
- Tank alarms that would have alerted personnel to the leak hadn’t functioned for at least four years.
- Other backup systems were either not functioning or nonexistent.
- The plant was equipped with a single backup system, unlike the four-stage system typically found in American plants.
- Tank 610 held 42 tons of MIC, well above the prescribed capacity. (It is believed that 27 tons escaped in the leak.)
- Water sprays designed to dilute escaping gas were poorly installed and proved ineffective.
- Damage known to exist to piping and valves had not been repaired or replaced, because the cost was considered too high. Warnings from U.S. and Indian experts about other shortcomings at the plant were similarly ignored.
The aftermath of the disaster was almost as chaotic. Union Carbide was initially responsive, rushing aid and money to Bhopal. Nevertheless, faced with a $3 billion lawsuit, the company dug in. It eventually agreed to a $470 million settlement, a mere 15 percent of the original claim. In any case, very little money ever reached the victims of the disaster.
Union Carbide CEO Warren Anderson went before Congress in December 1984, pledging his company’s renewed commitment to safety. That promise rang hollow in India — and probably to Congress as well.
Anderson was subsequently charged with manslaughter by Indian prosecutors but managed to evade an international arrest warrant and disappeared. Investigators from Greenpeace, which has kept up an active interest in the case, found Anderson in 2002, alive and well and living comfortably in the Hamptons. India issued an arrest warrant for Anderson in 2009, but the United States has shown no inclination to hand him over to Indian justice.
Union Carbide, meanwhile, was acquired by Dow Chemical in 2001, which refused to assume any additional liability for Bhopal, arguing that the debt had already been paid through various court settlements. It did go on to settle another outstanding claim against Union Carbide, this one for $2.2 billion made by asbestos workers in Texas.
In June 2010, seven former employees of Union Carbide’s Indian subsidiary were found guilty of death by negligence. They were fined about $2,000 each and sentenced to two years’ imprisonment, then released on bail.
The victims of the disaster, those who live on, continue dealing with various health problems — including chronic respiratory problems, vision problems and an increased incidence of cancer and birth defects — and an environment that remains contaminated to this day.
Source: Various
Photo: Wahid Khan, pictured here 10 years after the 1984 Bhopal disaster, survived the toxic gas exposure but was left permanently blind.
Reuters/Corbis
Reuters/Corbis
This article first appeared on Wired.com Dec. 3, 2008.
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Tags: Bhopal, carbaryl, chemicals, Dow Chemical, Greenpeace, India, pesticides, Union Carbide, Warren Anderson
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