Health & Chemicals

Minamata Disease The History and Measures - Reference

Reference: Chronology Related to Minamata Disease

YearEvents
1956 First report unknown disease to Minamata Public Health Center(the offical discovery of Minamata Disease).
Restraint measures initiated to restrict intake of fish and marine creatures from Minamata Bay, etc.
1965 Showa Denko., Ltd. Stopped manufacturing of acetaldehyde.
Discovery of Niigata Minamata Disease.
Restraint measures initiated to restrict intake of fish and shellfish from the Agano River.
1968 Chisso Co., Ltd., stopped manufacturing of acetaldehyde.
The collective view of the government on the cause of Minamata Disease announced.
1969 Law Concerning Special Measures for the Relief of the Pollution-related Disease enacted.
1970 Water Pollution Control Law established.
1971 Conrt decision on the first suit concerning Niigata Minamata Disease issued.
(The responsibility of Showa Denko Co., Ltd. to pay compensation for damage recognized. This decision was finalized.)
1973 Court decision on the first suit on Kumamoto Minamata Disease issued.
(The responsibility of Chisso Co., Ltd. to pay compensation for damage recognized. This decision was finalized.)
The agreement on compensation between the patients and Showa Denko Co., Ltd., reached.
The agreement on compensation between patients and Chisso Co., Ltd. reached.
1974 The Pollution-related Health Damage Compensation Law enacted.
Dredging of the polluted bottom sediment of the Minamata Bay began.
1976 Dredging of the polluted bottom sediment of the Agano River began.
1978 National insitute for Minamata Disease (NIMD) founded.
Financial assistance to Chisso Co., Ltd. by the government started.
1979 Interim Law Concerning Special Measures for the Promotion of Minamata Disease Certification enacted.
1986 NIMD accepted WHO Collaborating Center.
1987 Court decision issued on the first group of the third suit on Kumamoto Minamata Disease (the first suit demanding compensation by the national government.)
(The responsibillty of the national government to pay compensation for damage recognized.)
1990 Dredging the bottom sediment of Minamata Bay finished.
Reconcilliation recommended (Tokyo District Court, Kumamoto District Court, Fukuoka High Court, Fukuoka District Court, Kyoto District Court.)
1992 Court decision on Tokyo suit Minamata Disease.
(The responsibillty of the national government to pay for the damage denied.)
Court decision on second suit on Niigata Minamata Disease issued.
(The responsibillty of the national government to pay for the damage denied.)
Comprehensive Measures of Minamata Disease started.
International Symposium on Epidemiological Studies on Environmenal Pollution and Health Effects of Methylmercury held. (Kumamoto City, Japan)

Reconclliation recommended (Osaka District Court)
1993 Court decision on second group of the third suit on Kumamoto Minamata Disease. (The responsibillty of the national government to pay compensation for damage recognized.)
International Symposium on Assessment of Environmental Pollution and Health Effects from Methylmercury held [WHO and NIMD cosponcered] (Kumamoto City, Japan)
Court decision on Kyoto suit on Minamata Disease. (The responsibillty of the national government to pay for damage recognized.)
1994 Court decision on Kansai suit on Minamata Disease. (The responsibillty of the national government to pay compensation for damage denied.)
International Workshop on Environmental Mercury Pollution and its Health Effects in the Amazon River Basin held. (Rio de Janeiro, Brazil)
1995 The solution for problem of Minamata Disease was decided by three ruling coalition parties.
"On the Countermeasures for the Minamata Disease" was agreed at the Cabinet meeting.
"Prime Minister's Announcement for the settlement of the problem of Minamata Disease" was authorized at the Cabinet meeting.
1996 The second suit of Niigata Minamata Disease ended.
The third suit of Kumamoto Minamata Disease, Tokyo suit Minamata Disease
Kyoto suit on Minamata Disease and Fukuoka suit on Minamata Disease ended.
NIMD was reorganized.
International Workshop on "The Fate of Mercury in Gold Mining and Measures to Control The Environmental Pollution Various countries" held. (Tangerang City, Indonesia)
"The Indonesia-Japan Seminar on Dissemination of Health, Social and Economic impacts by Environmental Pollution : A Japanese experience in Minamata" held. (Jakarta City, Indonesia)
1997 International Workshop on "Health and Environmental Effects of Mercury Due to Mining Operations" held. (Manila, Philippines)
1998 "The Phllippine-Japan Seminar on Dissemination of the Experience of Minamata Disease" held. (Manila, Philippines)
1999 "The Thailand-Japan Seminar on Dissemination of the Experience of Minamata Disease" held. (Bangkok, Thailand)
2000 "On the measures to support Chisso Co., Ltd. on and after 2000" was Agreed at the cabinet meeting."The China-Japan Seminar on Dissemination of the Experience of Minamata Disease" held. (Beijing, China)
2001 "The Phllippine-Japan Seminar on Dissemination of the Experience of Minamata Disease" held. (Manila, Philippines)

"The Thailand-Japan Seminar on Dissemination of the Experience of Minamata Disease" held. (Bangkok, Thailand)

"On the measures to support Chisso Co., Ltd. on and after 2000" was Agreed at the cabinet meeting.
"The China-Japan Seminar on Dissemination of the Experience of Minamata Disease" held. (Beijing, China)

"The Vietnam-Japan Seminar on Dissemination of the Experience of Minamata Disease" held. (Hanoi, Vietnam)
Court decision on Kansai suit on Minamata Disease. (The responsibility of the national government to pay compensation for damage recognized, Osaka High Court)
Minamata Disease Archives was established.

"6th International Conference on Mercury as a Global Pollutant" held. (Minamata, Kumamoto Prefecture)

Seminar on "Mercury Pollution Control Manual" held.
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