For the people of the densely populated city of Bhopal, India, December 2 and 3 of 1984 mark a very dark anniversary — a time that left thousands dead and thousands more deathly ill and clinging to life.
It all started in the late 1970s when Union Carbide India Limited constructed a pesticide plant in Bhopal. Their initial goal was to produce pesticides that would help increase production on local farms. However, the sale of pesticide did not pan out and the plant soon began losing money.
Then in 1979, the factory began producing huge amounts of the highly toxic methyl isocyanate, or MIC, because it was a cheaper way to make a pesticide known as carbaryl. In an attempt to further trim the company’s budget, employee training and factory maintenance were radically cut.
This is when many factory employees began complaining about working in potentially dangerous conditions. Many warned of possible deadly disasters, but management appeared to turn a deaf ear to these warnings.
Late in the evening of December 2, 1984, something began going desperately wrong in storage tank E610. E610 just happened to be the tank that contained some 40 tons of MIC. Water leaked into the tank, which ultimately caused the MIC’s temperature to rise dangerously high.
Some sources report that water actually leaked into the tank during a routine cleaning of a pipe, and the safety valves inside the pipe were faulty. The Union Carbide company claims that a saboteur placed water inside the tank. To date, there is still no proof to back up the company’s claim. It has further been posed that some of the workers may have thrown water on the tank once it began overheating, not realizing they were only making matters worse.

Whatever the cause, by 12:15 in the morning on December 3, MIC fumes began leaking from E610. There should have been six safety features, which would have either prevented the leak in the first place or, at the very least, contained it. Each of the six safety features failed that night.
The cause of the incident has been extensively researched. As water began causing the exothermal reaction, which released an amount of gas big enough to open the safety valves, the scrubbers failed. Under safe working conditions, the scrubbers would intercept any escaping gas.
Research also shows how factory personnel neglected numerous safety procedures. There were no valves to prevent water from entering the storage tanks in the first place, and the cooling installation of the tanks and the flaring installation that might have burned the escaping gas were also out of order.
In short, compared to its other locations, safety was very low on the priority list for this Union Carbide factory. As is often the case, imperative safety procedures were neglected because of budget cuts.
An estimated 27 tons of MIC gas escaped from E610 and began spreading across the densely populated city of roughly 900,000 people. In an attempt to warn the citizens of Bhopal, a warning siren was turned on; however, it was quickly turned off again to prevent people from panicking.
So as the gas began and continued to leak from E610, most Bhopal residents slept. Many only awoke when they heard other family members coughing and trying to get their breath, or when they found themselves choking on the mysterious, noxious gas.
It is reported that many people felt severe burning in their throats and eyes as they frantically got out of their beds. Some even choked on their own bile, while others fell to the ground in anguish and pain.
As panic ensued, thousands of people ran from their homes, but they did not know where to go for safety and help. Many families were separated in the mass confusion, and numerous people fell to the ground, became unconscious and were then trampled.
It is important to note that estimates of the death toll vary greatly. Most sources, however, report that at least 3,000 people died from immediate exposure to the gas, with higher estimates going up to 8,000. In 14 years following this terrifying and deadly disaster, about 20,000 more people have died from damage caused by the MIC gas.

Yet another 120,000 people are still living every day with the effects and fallout from being exposed to MIC. These people suffer from various ailments, including blindness, extreme shortness of breath, cancers, birth deformities and early onset of menopause.
To date, chemicals from the pesticide plant and from the leak have infiltrated the water system and soil near the old factory. Because of this, people who live near the factory site are still being poisoned.
Just three days after the disaster, the chairman of Union Carbide, Warren Anderson, was arrested. When he was released on bail, he fled the country. Although his whereabouts were unknown for many years, he was eventually discovered living in the United States with one home in the Hamptons in New York and another in Florida. Anderson continues to be wanted in India for culpable homicide for his role in the Bhopal disaster.
One of the worst parts of this tragedy is actually what has happened in the years following that fateful night in 1984. Although Union Carbide has paid some restitution to the victims, the company claims they are not liable for any damages because they blame a saboteur for the disaster and claim that the factory was in good working order before the gas leak. The victims of the Bhopal gas leak have received very little money. Many of the victims continue to be in poor health and are unable to work.
Union Carbide was accused of deliberate evasion of regular safety procedures. During legal proceedings, where victims demanded compensation, solid evidence was shown that proved Union Carbide used untested technology in the Bhopal factory on a regular basis. In fact, when the gas leak occurred local physicians were not told anything about the gas. This resulted in a serious delay in getting proper treatment for exposure and developing emergency safety measures.
After long legal proceedings, in February 1989, a settlement was achieved. Union Carbide promised to pay 470 million dollars in compensation, but only a small part of this compensation was ever paid to the survivors.

However, Union Carbide states on its website that it paid the full settlement to the Indian government within 10 days time. In 2004, the Supreme Court forced the Indian government to pay the remaining 330 million dollars compensation to the victims and their families.
Eventually, Union Carbide sold the Indian factory to a battery maker. Then, in 2001, Dow Chemical Company took control of Union Carbide. This takeover led to discussions on who should be responsible for cleaning up the tons of poisonous waste that is still present.
Environmental activists are trying to convince Dow Chemical Company to clean up this massive toxic mess, which could lead to serious nervous system failure, liver and kidney disease, and cancer for many years to come.
December 3, 1984 will likely always be memorable for the city of Bhopal in Madya Pradesh county, India. The day when a cloud containing at least 15 metric tons of methyl isocyanate covered an area of Bhopal of more than 30 square miles.
Approximately 100,000 people still suffer from chronic disease related to gas exposure, and ten more people die from this exposure every year. This event is now known as the worst industrial environmental disaster to ever have occurred.
Today, the location is still polluted with thousands of tons of toxic chemicals, such as hexachlorobenzene and mercury. These chemicals are stored in open barrels. Rainfall causes rinsing out of pollution to local drinking water sources. Research also shows that some wells still contain up to 500 times the legal limit of these toxins.


I am a biochemist and a teacher. I use this event in my Environmental and Media Literacy classes, and it always provokes fairly lively discussion among my (American) students. Ninety five percent of them are outraged, and compare this to the 2001 9/11 event, which was labeled a ‘terrorist’ attack. They feel this is a sort of commercial terrorism, especially if Dow does nothing to compensate the families and restore the area.
My work is in developing inclusive, community-based educational programs for children with disabilities. In 2007, I spent 4 months in Bhopal as a Fulbright lecturer, helping develop teacher education for the promotion o schools that include all children. During my time there it was difficult to learn more about the Union Carbide accident than I had read about while in the USA. I am now in the process of writing about my experiences and would like to get in touch with anyone who might be interested in sharing their stories about the accident and it’s aftermath. I’m particulalry interested in hearing from families with children or young people with disabilities that may be related to that event. Thank you for whatever assistance you can provide. I am also available to offer whatever assistance I can.
Margaret, what is your response to students that try and equate this to terrorism? Terrorism is, by definintion designed to ahieve a political gain through causing widespread fear. How is an industrial accident caused by negligent activity terroristic?
Also, Dow purchased the company in 2001. They are responsible for the site clean-up, not victim compensation. According to the article “In 2004, the Supreme Court forced the Indian government to pay the remaining 330 million dollars compensation to the victims and their families.” Union Carbide claimed to have paid the Indian Government within 10 days of the accident.
Judy, I’d be willing to bet that the Union Carbide incident does not receive widespread coverage in Inda due to the desire for any type of work that can feed hungry children. The Indian economic picture is reminescent of the early industrial age in Charles Dickins’ writing. No matter how dangerous working in a matchstick factory is, no matter the damage to your lungs, it is work that provides wages that pay for a piece of bread tonight.