Workers enter the crippled Fukushima Daiichi nuclear plant. The health ministry says that another 23 workers at the nuclear plant may have been exposed internally to over 100 millisieverts of radiation. NHK

June 14 (NHK) – The health ministry says that another 23 workers at the troubled Fukushima Daiichi nuclear plant may have been exposed internally to over 100 millisieverts of radiation. The ministry on Tuesday told plant operator Tokyo Electric Power Company to immediately release the workers from duty. The ministry said keeping the employees at the plant may push their exposure over the temporary-set limit of 250 millisieverts. The government relaxed the limit for plant workers from 100 millisieverts after the nuclear accident in March as an emergency measure. The ministry also instructed TEPCO to have the 23 workers undergo medical exams. TEPCO previously announced that 2 employees were exposed to over 600 millisieverts. On Monday, the firm said that 6 more workers were thought to have been exposed to up to about 500 millisieverts. TEPCO is screening about 3,700 workers at the plant for exposure. The tests for about 600 have not been completed. The ministry is urging the firm to finish the tests by June 20th and submit the results.

Additional 23 workers exposed to high radiation

By arevamirpal::laprimavera
14 June 2011 They are all TEPCO employees. One of them worked in the central control rooms for the Reactors 3 and 4, five others worked outside the control rooms, maintaining electrical and measuring equipments. NISA’s Nishiyama says it is regrettable. Mainichi Shinbun Japanese (6/13/2011):

東京電力福島第１原発で緊急作業に従事する東京電力社員２人の被ばく線量が限度（２５０ミリシーベルト）の倍以上の６００ミリシーベルト超だった 問題で、厚生労働省は１３日、東電の簡易検査で新たに６人が限度を超えた可能性があると発表した。いずれも東電の男性社員で、最高値は内部被ばくと外部被 ばくを合わせて４９７ミリシーベルト。現在、精密な検査を受けている。 The Ministry of Health, Labor and Welfare announced on June 13 that 6 additional workers at Fukushima I Nuclear Power Plant may have exceeded the radiation exposure limit of 250 millisieverts. It was revealed by the quick testing done by TEPCO. All of them were male TEPCO employees. The maximum radiation was 497 millisieverts, counting both the external and the internal radiation exposures. They are currently undergoing more detailed testing. Earlier, two TEPCO employees at the plant had exceeded the limit, with the total radiation exposure of over 600 millisieverts. … 経済産業省原子力安全・保安院の西山英彦審議官は「極めて遺憾。東電に対し、６人についての被ばく量が確定次第、すみやかな報告と徹底的な原因究明を指示したい」と話した。 The Nuclear and Industrial Safety Agency (NISA) spokesman Hidehiko Nishiyama said, “It is highly regrettable. As soon as the definite numbers for the radiation exposures for the 6 workers become known, we will instruct TEPCO to report immediately and to investigate the cause thoroughly.” …

Fukushima I Nuke Plant: 6 More Workers Exceeded 250 Millisievert Limit