BOPAL GAS TRAGEDY Flashcards
Where and when it happened?
Bhopal india
December 3, 1984 (12:04 a.m)
*was a diversified manufacturing company inc. in 1934.
* Situated in the central of
* It was built in 1969. It produces pesticide for use in india to help the country’s agricultural sector increase its productivity and contribute more significantly.
- Union Carbide India Limited
- Indian state of Madhya Pradesh
- Bhopal Plant
- December 3, 1984 (12:04 a.m)
*December 3, 1984 (12:20 a.m) - December 4, 1894
*Gas Leak Occurs
* Malfunction pressure gauge
* Gas then spread to flare tower
It was shutdown in june 1984 to save money. It is used to cool liquid MIC.
Refrigeration system
Mic Storage Tanks
40 tones in E610, 15 tone in E611, E619 was empty. Water leaked into E610 causing runaway heat-producing reaction.
Water curtain
Not high enough to reach gas
Vent gas scrubber
Leaking gas could have been detoxified, but the scrubber was turned off
Flare tower
It is designed to burn off gas but the connecting pipe had been removed for maintenance.
The world’s worst Industrial Disaster with over ______ and _______.
25,000 casualties, 120,000 injuries
They try to neutralize the remaining MIC in the factory
Operators
Is used to produce carbamate pesticides. A colorless liquid that has sharp odor. Is extremely toxic to humans from acute exposure
METHYL ISOCYANATE (MIC)
Short term effect of MIC
*respiratory tract infection
* Ophthalmic problems
* Neuromuscular toxicity
Long term effect of MIC
- Reproductive Toxicity
- Geno toxicity and Carcinogenicity
Reasons why the accident Happen
*Human error and negligence
*Lack of calibration in equipment
*Budget cut in safety measures
What should have been done
- india should have stricter laws about the amount of hazardous chemical stored in a factory.
- Funds should have alloted safety measures.
- Provide expanded programs of toxicity testing that examine the effect of chemicals to humans and environment.
- Educate of health care providers about environmental health and toxicology
- Supervisors could have been placed on night shift
- There should have been 4 stage of back up system instead of one manual back up system
- Regular intervals and proper maintenance.
*Strict regulations and methods - Proper pressure gauge should have been used