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Tokai JCO Criticality Accident

Report [36] Oct.6 2000

A Visit to Tokai-mura a Year After the JCO Accident

A national symposium commemorating the sad anniversary of the JCO criticality accident at Tokai-mura Ibaraki Prefecture was held at Mito City, Ibaraki Prefecture on Sep. 30, 2000. The symposium was co-sponsored by the Japan Congress Against A- and H- Bombs, Citizens' Nuclear Information Center (CNIC) and other citizens' groups. Various symposiums and protests were held across the country on the same day. (English newspaper articles available on request.)


The front gate of JCO Co. (Oct. 1, 2000)


Uranium Test Facility of Sumitomo Metal Mining Co. - the parent company of JCO Co. The test facility of JCO Co. where the accident took place is located in front of this test facility.


The road leading to the front gate of JCO Co. is surrounded by houses, vegetable gardens, and rice fields.


The Test Facility of JCO Co.- the site of the criticality accident of Sep. 30, 1999.- is behind this building (Oct. 1, 2000)


The Test Facility is behind these buildings


Funaishikawa Community Center where residents were evacuated to.


The road leading to the Japan Nuclear Cycle Development Institute (JNC) is called "Donen Road." (Donen = JNC)


Tokai Reprocessing Plant operated by JNC. 


Japan Atomic Enrgy Research Institute JRR-1 - Japan's first research reactor. Nuclear development in Japan began here.


Japan Atomic Power's Tokai I (on the right) and II (on the left). Tokai I is the first commercial nuclear reactor and the only one decommissioned so far. It began operation in 1966 and was shut down in 1998.

Photo by Satoshi Fujino(CNIC)


Citizens' Nuclear Information Center
Akebonobashi Co-op 2F-B, 8-5 Sumiyoshi-cho,
Shinjuku-ku, Tokyo, 162-0065, Japan