Ministry of Health, Labour and Welfare

 TEPCO Fukushima Daiichi NPP

The status on the exposure dose, health care management and radiation protection of the workers at Fukushima Daiichi Nuclear Power Plant are shown.


Status of Radiation Exposure

Sep 29, '17
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 29 Sep 2017)PDF 88KB
Aug 31, '17
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 Aug 2017)PDF 83KB
Jul 31, '17
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 Jul 2017)PDF 123KB
Jun 30, '17
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 Jun 2017)PDF 80KB
May 31, '17
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 May 2017)PDF 81KB
Apr 28, '17
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 28 Apr 2017)PDF 76KB
Mar 31, '17
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 Mar 2017)PDF 73KB
Feb 28, '17
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 28 Feb 2017)PDF 76KB
Jan 31, '17
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 Jan 2017)PDF 76KB
Dec 28, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 28 Dec 2016)PDF 70KB
Nov 30, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 Nov 2016)PDF 73KB
Oct 31, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 Oct 2016)PDF 73KB
Sep 30, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 Sep 2016)PDF 73KB
Aug 31, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 Aug 2016)PDF 76KB
Jul 29, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 29 Jul 2016)PDF 73KB
Jun 30, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 Jun 2016)PDF 57KB
May 31, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 May 2016)PDF 48KB
Apr 30, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 Apr 2016)PDF 88KB
Mar 31, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 Mar 2016)PDF 81KB
Feb 29, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 29 Feb 2016)PDF 76KB
Jan 29, '16
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 29 Jan 2016)PDF 82KB
Dec 25, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 25 Dec 2015)PDF 76KB
Nov 30, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 Nov 2015)PDF 76KB
Oct 30, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 Oct 2015)PDF 76KB
Sep 30, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 Sep 2015)PDF 76KB
Aug 31, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 Aug 2015)PDF 76KB
Jul 31, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 Jul 2015)PDF 92KB
Jun 30, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 Jun 2015)PDF 83KB
May 29, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 29 May 2015)PDF 71KB
May 1, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 1 May 2015)PDF 76KB
Mar 31, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 March 2015)PDF 86KB
Feb 27, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 27 February 2015)PDF 53KB
Jan 30, '15
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 January 2015)PDF 53KB
Dec 26, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 26 December 2014)PDF 63KB
Dec 1, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 1 December 2014)PDF 63KB
Oct 31, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 October 2014)PDF 63KB
Sep 30, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 September 2014)PDF 64KB
Aug 29, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 29 August 2014)PDF 64KB
July 31, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 July 2014)PDF 64KB
June 30, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 June 2014)PDF 64KB
May 30, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 May 2014)PDF 58KB
Apr 30, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 30 April 2014)PDF 64KB
Mar 31, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 March 2014)PDF 56KB
Feb 28, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 28 February 2014)PDF 56KB
Jan 31, '14
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 January 2014)PDF 86KB
Dec 26, '13
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 26 December 2013)PDF 86KB
Nov 29, '13
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 29 November 2013)PDF 86KB
Oct 31, '13
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Plant (Updated on 31 October 2013)PDF 86KB
Sep 30, '13
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Station (Updated on 30 September 2013).PDF 85KB
Aug 30, '13
Exposure Dose Distribution of the Workers at Fukushima Daiichi Nuclear Power Station (Updated on 30 August 2013).PDF 79KB
July 24, '12
Actions in response to improper radiation dose measurement at the TEPCO Fukushima Daiichi Nuclear Power Plant, Press release (24 July 2012).PDF 21KB

Radiation Protection

Mar 6, '17
Results of supervision and instruction activities for employers of decommissioning workers at the TEPCO Fukushima Daiichi Nuclear Power Plant and employers of decontamination workers in Fukushima Prefecture (in 2016)PDF 2590KB
Sep 20, '16
Results of supervision and instruction activities for employers of decommissioning workers at the TEPCO Fukushima Daiichi Nuclear Power Plant and decontamination workers in Fukushima Prefecture (from Jan. to June 2016)PDF 2297KB
Apr 13, '16
Results of supervision and instruction activities for employers of decommissioning and decontamination workers at the TEPCO Fukushima Daiichi Nuclear Power Plant (in 2015)PDF 2251KB
Nov 20, '15
Results of supervision and instruction activities for employers of workers engaged in decommissioning of the TEPCO Fukushima Daiichi Nuclear Power Plant (from 11 March 2011 to 30 September 2015)PDF 1163KB
Aug 31, '15
Opinions on the Draft Ministerial Ordinance to Revise Part of the Ordinance on Prevention of Ionizing Radiation HazardsPDF 362KB
Measures to prevent radiation hazards for emergency workers at nuclear facilities were formulated
- Ordinance on Prevention of Ionizing Radiation Hazards and related regulations were partially revised to be applied from 1 April 2016 -
Aug 26, '15
Measures for occupational safety and health management will be enhanced at the TEPCO Fukushima Daiichi Nuclear Power Plant
- A guideline was formulated -
Jun 18, '15
A recommendation received from the Labor Policy Council confirming the validity of the “Outline of the Draft Ministerial Ordinance for Partial Revision of the Ordinance on Prevention of Ionizing Radiation Hazards”
Mar 25, '14
Results of the Additional Re-evaluation of Committed Effective Doses of Emergency Workers at TEPCO's Fukushima Daiichi Nuclear Power Plant
Nov 02, '13
Response and Action Taken by the Ministry of Health, Labour and Welfare of Japan on Radiation Protection for Workers Involved in the TEPCO Fukushima Daiichi Nuclear Power Plant Accident.PDF 1,896KB
July 05, '13
Results of Re-evaluation of Committed Dose of Emergency Workers at the TEPCO Fukushima Daiichi Nuclear Power Plant.
Oct 30, '12
Survey on actual practices of radiation dose control at the TEPCO Fukushima Daiichi Nuclear Power Plant - Directions to prevent a recurrence provided to TEPCO and its primary contractors -.
Aug 10, '12
Instruction in regard to measures for safety and health management will be enhanced in preparation for emergency work at nuclear facilities - A circular notice was provided to directors of relevant labour bureaus with respect to safety and health management of radiation works -.
Future actions based on experiences such as exposure dose control at the TEPCO Fukushima Daiichi Nuclear Power Plant.PDF 288KB
Jun 15, '12
Overview of the Guidelines on Prevention of Radiation Hazards for Workers Engaged in Works under a Designated Dose Rate.
Dec 16, '11
Enforcement of the Ministerial Ordinance on Repeal of the Ministerial Ordinance on Exemption of the Ordinance on Prevention of Ionizing Radiation Hazards in Response to the Situation Resulting from the Tohoku-Pacific Ocean Earthquake in 2011 (Labour Standards Bureau Notification No.1216-1)PDF 55KB
Publication and enforcement of " the Ministerial Ordinance for abolishment of exemption in the Ordinance on Prevention of Ionizing Radiation Hazards in response to the situation resulting from the Tohoku ·Pacific Ocean Earthquake in 2011" .
Nov 21, '11
Consultation with and recommendation from the Labor Policy Council on " the outline of the draft Ministerial Ordinance for abolishment of exemption in the Ordinance on Prevention of Ionizing Radiation Hazards in response to the situation resulting from the Tohoku ·Pacific Ocean Earthquake in 2011" .
Overview of the outline of the draft Ministerial Ordinance for abolishment of exemption in the Ordinance on Prevention of Ionizing Radiation Hazards in Response to the Situation resulting from the Tohoku - Pacific Ocean Earthquake in 2011.PDF 144KB
Oct 24, '11
Consultation with and recommendation from the Labor Policy Council on " the outline of the draft Ministerial Ordinance for partial revision of exemption in the Ordinance on Prevention of Ionizing Radiation Hazards in response to the situation resulting from the Tohoku - Pacific Ocean Earthquake in 2011" .
Overview of the outline of the draft Ministerial Ordinance for partial revision of exemption in the Ordinance on Prevention of Ionizing Radiation Hazards in response to the situation resulting from the Tohoku - Pacific Ocean Earthquake in 2011. PDF 159KB
Oct 14, '11
Cautions issued for wearing " respiratory protective equipment" used by workers engaged in restoration operations at the TEPCO Fukushima Daiichi Nuclear Power Plant.
Sep 30, '11
Draft ministerial ordinance for revision of the Ordinance on Prevention of Ionizing Radiation Hazards.PDF 126KB
Apr 28, '11
Re: Guidance about the radiation exposure dose during later radiation works other than emergency works for the workers who had been engaged in emergency works.
[Labour Standards Bureau Notification No. 0428-1]
Mar 15, '11
Re: Enforcement of the Ministerial ordinance on exemption of the Ordinance on Prevention of Ionizing Radiation Hazards in response to the situation resulting from the Tohoku-Pacific Ocean Earthquake in 2011.
[Labour Standards Bureau Notification No. 0315-7]

Long-term Health Care

Aug 31, '15
Opinions on the Draft Ministerial Ordinance to Revise Part of the Ordinance on Prevention of Ionizing Radiation HazardsPDF 362KB
Measures to prevent radiation hazards for emergency workers at nuclear facilities were formulated
- Ordinance on Prevention of Ionizing Radiation Hazards and related regulations were partially revised to be applied from 1 April 2016 -
May. 01, '15
A Report Has Been Compiled on Methods etc. for Providing Health care and Exposure Dose Control During Emergency Works in Nuclear Facilities.
Jun. 04, '14
Policies for Epidemiological Studies Targeting Emergency Workers at the TEPCO Fukushima Daiichi Nuclear Power Plant Have Been Compiled.
Sep 20, '13
Implementation status on medical examinations for workers engaged in radiation work in Fukushima Prefecture.
Aug 09, '13
Re: Current implementation status of the long-term health care for emergency workers at the TEPCO Fukushima Daiichi Nuclear Power Plant.
Jan 05, '12
An inquiry on radiation exposure dose will be received from workers engaged in emergency works at the TEPCO Fukushima Daiichi Nuclear Power Plant.
Oct 11, '11
Framework for Health-care of Emergency Workers at the TEPCO Fukushima Daiichi Nuclear Power Plant.
" Guidelines on maintaining and improving health of emergency workers at the TEPCO Fukushima Daiichi Nuclear Power Plant" were formulated.
Guidelines on Maintaining and Improving Health of Emergency Workers at the TEPCO Fukushima Daiichi Nuclear Power Plant (Overview).PDF 104KB
Guidelines on Maintaining and Improving Health of Emergency Workers at the TEPCO Fukushima Daiichi Nuclear Power Plant.PDF 119KB
Sep 30, '11
Consultation with and recommendation from the Labor Policy Council on the proposed outline of " the Ministerial Ordinance for partial revision of the Ordinance on Prevention of Ionizing Radiation Hazards" .
Sep 26, '11
" Expert Meeting on the Long-term Health Care of Workers at the TEPCO Fukushima Daiichi Nuclear Power Plant" compiled a report.
Expert meeting on the long-term health care of workers at the TEPCO Fukushima Daiichi Nuclear Power Plant (Report Overview).PDF 122KB
Aug 03, '11
" Grand design for long-term health care of workers at the TEPCO Fukushima Daiichi Nuclear Power Plant" was formulated.
Jun 30, '11
Medical care system at the TEPCO Fukushima Daiichi Nuclear Power Plant will be improved.
Jun 10, '11
Guidance was provided on enhanced measures to prevent heat stroke at the TEPCO Fukushima Daiichi Nuclear Power Plant.
May 27, '11
A round-the-clock health care system was established at the TEPCO Fukushima Daiichi Nuclear Power Plant.

Good Practices in Radiation Exposure Control

Feb. '17
Good Practices in Radiation Exposure Dose Reduction Measures (by Japan Environment Research Co.,Ltd.)PDF 3909KB
Nov. 14, '16
Good Practices in Radiation Exposure Control at the Fukushima Daiichi NPP (Fiscal Year of 2016)
Nov. 10, '15
Good Practices in Radiation Exposure Control at the Fukushima Daiichi NPP (Fiscal Year of 2015)

Other Related Topics

 
Action time line after the Great East Japan Earthquake.
Jul. 27, '17
Healthcare of Workers at the Fukushima Daiichi Nuclear Power PlantPDF 170KB
Apr. 27, '17
Occupational Accident Occurrence inFY2016 and Safety Activity Plan for FY2017 at the Fukushima Daiichi Nuclear Power PlantPDF 1094KB
Jan. 26, '17
Healthcare of Workers at the Fukushima Daiichi Nuclear Power PlantPDF 518KB
Dec. 27, '16
Efforts for Healthcare of Workers at the Fukushima Daiichi Nuclear Power Plant (by Tokyo Electric Power Company Holdings, Inc.)PDF 219KB
Jun. 24, '16
Start of a weekly on-site consultation desk to address health matters of decommissioning workers, etc.
Jan 23, '15
Senior Vice-Minister of Health, Labour and Welfare Demands Thorough Implementation of Occupational Accident Prevention Measures
Aug 05, '14
Report of the Research on Thyroid Gland Examinations, etc. of Workers at the TEPCO Fukushima Daiichi Nuclear Power Plant has been Released
Aug 01, '14
Enhancement of occupational safety and health management measures for radiation works and emergency works at nuclear facilities (Industrial Health Division Notification No.0801-1)
Nov 24, '11
Re: Thorough implementation of measures to prevent industrial accidents in different works toward recovering from the accident at TEPCO's Fukushima Daiichi Nuclear Power Plant.
[Occupational Safety and Health Department Notification No. 1124-2]
May 13, '11
The Ministry of Health, Labour and Welfare requests relevant parties to disseminate provisions stipulated in laws that working conditions should be clearly indicated in recruiting workers, filing offers for posting job offerings, or concluding a labour contract, and to instruct contractors to comply with the provisions.

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