Union Carbide Corporation (UCC) argues water entered the tank through an act of sabotage.The owner of the factory, UCIL, was majority owned by UCC, with Indian Government-controlled banks and the Indian public holding a 49.1 percent stake.In 1989, UCC paid 0 million (7 million in 2014 dollars) to settle litigation stemming from the disaster.In 1994, UCC sold its stake in UCIL to Eveready Industries India Limited (EIIL), which subsequently merged with Mc Leod Russel (India) Ltd.In 1981, a worker was accidentally splashed with phosgene as he was carrying out a maintenance job of the plant's pipes.In a panic, he removed his gas mask and inhaled a large amount of toxic phosgene gas, leading to his death just 72 hours later.
With the flare tower still out of service, production of carbaryl was resumed in late November, using MIC stored in the two tanks still in service.
An attempt to re-establish pressure in tank E610 on 1 December failed, so the 42 tons of liquid MIC contained within still could not be pumped out of it.
In early December 1984, most of the plant's MIC related safety systems were malfunctioning and many valves and lines were in poor condition.
During 19, there were leaks of MIC, chlorine, monomethylamine, phosgene, and carbon tetrachloride, sometimes in combination.
The Bhopal UCIL facility housed three underground 68,000 liters liquid MIC storage tanks: E610, E611, and E619.