Ministry of Health, Labour and Welfare

  Regulations and Guidelines, etc.


Guidelines/Notifications

Guidelines on Occupational Safety and Health Management at the TEPCO Fukushima Daiichi Nuclear Power Plant PDF 201KB
Guidelines on Prevention of Radiation Hazards for Workers Engaged in Decontamination Works(Amendment: Labour Standards Bureau Notification No. 0130-2 of January 30, 2018) PDF 446KB
Guidelines on Prevention of Radiation Hazards for Workers Engaged in Works under a Designated Dose Rate(Amendment: Labour Standards Bureau Notification No. 0130-2 of January 30, 2018) PDF 158KB
Guidelines on Prevention of Radiation Hazards for Workers Engaged in (Nuclear) Accident-derived Waste Disposal(Amendment: Labour Standards Bureau Notification No.0130-2, January 30, 2018) PDF 336KB
Jan 30, '18
Revision of the Guidelines on Prevention of Radiation Hazards for Workers Engaged in Decontamination Works PDF 109KB
Apr 18, '17
Measures for the Prevention from Radiation Hazards due to the Exposure of the Eye Lens in Radiation Works (Occupational Safety and Health Department Notification No. 0418-1) PDF 109KB
Oct 30, '15
Promotion of General Measures toward Improvement of Level of Compliance with Laws and Ordinances for Decontamination Works, etc (Fukushima Prefectural Labour Bureau Notification No. 1030-2) PDF 403KB
Aug 31, '15
Guideline on Revision of Part of the Guidelines on Safety and Health Education for Those Who Are Currently Engaged in Dangerous or Harmful Operations (Labour Standards Bureau Notification No. 0831-6) PDF 155KB
Formulation of the Guideline: “Guidelines on Maintaining and Improving Health of Emergency Workers at Nuclear Facilities, etc.” (Labour Standards Bureau Notification No. 0831-10) PDF 155KB
Aug 26, '15
Formulation of the “Guidelines on occupational safety and health management at the TEPCO Fukushima Daiichi Nuclear Power Plant” PDF 427KB
Nov 18, '14
Revision of Guidelines Such as That on Prevention of Radiation Hazards for Workers Engaged in Decontamination and Related Works
Dec 26, '13
Revision of Guideline on Prevention of Radiation Hazards for Workers Engaged in Decontamination Works.
[Labour Standards Bureau Notification No.1226-21]
Organization for Registration Control of Radiation Exposure Doses for Decontamination and Related Works.
[Labour Standards Bureau Notification No.1226-17]
Nov 15, '13
Organization for Registration Control of Radiation Exposure Doses for Decontamination and Related Works.
[Labour Standards Bureau Notification No.1115-4]
Apr 12, '13
Revision of the Guidelines on Prevention of Radiation Hazards for Workers Engaged in Decontamination Works (Labour Standards Bureau Notification No. 0412-6) PDF 24KB
Formulation of the Guideline on Prevention of Radiation Hazards for Workers Engaged in Nuclear Accident-Derived Wastes Disposal (Labour Standards Bureau Notification No. 0412-2) PDF 39KB
Overview of the Guidelines on Prevention of Radiation Hazards for Workers Engaged in (Nuclear) Accident-derived Waste Disposal. PDF 52KB
Guidelines on Prevention of Radiation Hazards for Workers Engaged in (Nuclear) Accident-derived Waste Disposal. PDF 718KB
Enforcement of the partially revised Ordinance on Prevention of Ionizing Radiation Hazards, Labour Standard Bureau No. 0412-1. PDF 405KB
Dec 26, '12
Questions Posed in the Past on Ionizing Radiation Ordinance for Decontamination and Guidelines and Answers to Those Questions (Industrial Health Division Notification No. 1226-1)
Aug 10, '12
Re: Instructions to enhance actions for safety and health management measures for radiation works and emergency works at nuclear facilities. PDF 1,056KB
Jun 15, '12
Overview of the Guidelines on Prevention of Radiation Hazards for Workers Engaged in Works under a Designated Dose Rate.
Guidelines on Prevention of Radiation Hazards for Workers Engaged in Decontamination Works. PDF 733KB
Guidelines on Prevention of Radiation Hazards for Workers Engaged in Works under a Designated Dose Rate. PDF 223KB
Guidelines on Prevention of Radiation Hazards for Decontamination Works(Overview). PDF 173KB
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]
Oct 11, '11
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 09, '11
Re: Radiation hazard preventive measures for decontamination workers based on “Basic Policy for Emergency Response on Decontamination Work” and “Guidelines for Municipal Decontamination Work”.
[Occupational Safety and Health Department Notification No. 0909-1]
Jun 23, '11
Interim policy on handling water and sewage treatment by-products and disaster wastes in which radioactive substances are detected.
[Occupational Safety and Health Department Notification No. 0623-1]
Interim policy on handling water and sewage treatment by-products and disaster wastes in which radioactive substances are detected.
[Occupational Safety and Health Department Notification No. 0623-2]
Jun 21, '11
Re: Actions to be taken for the works in which interpretation and application of the “Permission standard on temporary entry to the restricted area” (entry for the public interest) is used.
[Occupational Safety and Health Department Notification No. 0621-1]
Re: Actions to be taken for the works in which interpretation and application of the “Permission standard on temporary entry to the restricted area” (entry for the public interest) is used.
[Occupational Safety and Health Department Notification No. 0621-2]
May 24, '11
Re: Actions to be taken when the employers continue their business at the workplaces as a special case in the deliberate evacuation area.
[Occupational Safety and Health Department Notification No. 0524-1]
May 17, '11
Re: “An interim policy on handling sewage treatment by-products in Fukushima Prefecture”.
[Occupational Safety and Health Department Notification No. 0517-1]
Re: Actions to be taken in the areas within a 20-kilometer radius from the TEPCO Fukushima Daiichi Nuclear Power Plant.
[Occupational Safety and Health Department Notification No. 0517-3]
May 11, '11
Re: Action for works handling disaster waste in Fukushima Prefecture.
[Occupational Safety and Health Department Notification No. 0511-1]
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]
Mar 30, '01
Regarding the enforcement of the ministerial ordinance to revise part of the Ordinance on Industrial Safety and Health,and the Ordinance on Prevention of Ionizing Radiation Hazards
[Labour Standards Bureau Notification No. 253]
PDF 305KB

Regulations/Legislations

Ordinance on Prevention of Ionizing Radiation Hazards (Ministry of Health, Labour and Welfare Ordinance No. 89 of 8 July 2013) PDF 698KB
Ordinance on Prevention of Ionizing Radiation Hazards at Works to Decontaminate Soil and Wastes Contaminated by Radioactive Materials Resulting from the Great East Japan Earthquake and Related Works (Ministry of Health, Labour and Welfare Ordinance No. 57 of 12 April 2013) PDF 151KB
Aug 31, '15
Opinions on the Draft Ministerial Ordinance to Revise Part of the Ordinance on Prevention of Ionizing Radiation Hazards PDF 362KB
Enforcement of the Ministerial Ordinance for Partial Revision of the Ordinance on Prevention of Ionizing Radiation Hazards and Other Related Regulations (Labour Standards Bureau Notification No. 0831-13) PDF 96KB
Apr 12, '13
Table for Replacement of Terms of the Ordinance on Prevention of Ionizing Radiation Hazards (Ministry of Labour Ordinance No. 41 of 1972). PDF 166KB
Comparison of Current and Revised Provisions of the Ministerial Ordinance to Revise Part of the Ordinance on Prevention of Ionizing Radiation Hazards, etc. PDF 287KB
Jun 15, '12
Enforcement of the ministerial ordinance for amendment to part of the Ordinance on Prevention of Ionizing Radiation Hazards at Works to Decontaminate Soil and Wastes Contaminated by Radioactive Materials Resulting from the Great East Japan Earthquake and Related Works (Labour Standards Bureau Notification No. 0615-7) PDF 242KB
Comparison of current and revised provisions on methods, criteria, and classifications of works for decontaminating soil specified by the Minister of Health, Labour and Welfare pursuant to the provision of Paragraph 6, Article 2 and other Articles and Paragraphs of the Ordinance on Prevention of Ionizing Radiation Hazards at Works to Decontaminate Soil and Wastes Contaminated by Radioactive Materials Resulting from the Great East Japan Earthquake and Related Works. PDF 147KB
Revision of special education rules for decontamination works (Comparison of Current and Revised Provisions). PDF 160KB
Comparison of the Current and Revised Provisions of the Ministerial Ordinance to Revise Part of the Ordinance on Prevention of Ionizing Radiation Hazards at Works to Decontaminate Soil and Wastes, and Related Works, Contaminated by Radioactive Materials Resulting from the Great East Japan Earthquake. PDF 445KB
Dec 22, '11
Enforcement of the Ordinance on Prevention of Ionizing Radiation Hazards at Works to Decontaminate Soil and Wastes Contaminated by Radioactive Materials Resulting from the Great East Japan Earthquake and Related Works (Labour Standards Bureau Notification No. 1222-7) PDF 260KB
Methodology, criteria and classification (Ordinance of MHLW No.468, 2011). PDF 140KB
Provision for the special education for the decontamination, etc. (Ordinance of MHLW No.469, 2011). PDF 171KB
Ionizing Radiation Ordinance for Decontamination (Ordinance of MHLW No.152, 2011). PDF 250KB
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
Dec 12, '11
Overview of the Proposed Ordinance on Prevention of Ionizing Radiation Hazards at Works to Decontaminate Soil and Wastes Contaminated by Radioactive Materials Resulting from the Great East Japan Earthquake and Related works (tentative title). PDF 341KB
Nov 21, '11
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
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
Sep 30, '11
Draft ministerial ordinance for revision of the Ordinance on Prevention of Ionizing Radiation Hazards. PDF 126KB

Governmental Report

Jan 31, '19
Responses and Actions Taken by the Ministry of Health, Labour and Welfare of Japan on Radiation Protection at Works Relating to the Accident at TEPCO's Fukushima Daiichi Nuclear Power Plant 6th Edition (Fiscal Year of 2018) PDF 5089KB
Executive Summary PDF 149KB
Sep 14, '18
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 (Jan. – June 2018) PDF 1401KB
Feb 22, '18
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 2017) PDF 753KB
Jan 31, '18
Responses and Actions Taken by the Ministry of Health, Labour and Welfare of Japan on Radiation Protection at Works Relating to the Accident at TEPCO's Fukushima Daiichi Nuclear Power Plant 5th Edition (Fiscal Year of 2017) PDF 908KB
Executive Summary PDF 269KB
Sep 11, '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 (January to June 2017) PDF 2496KB
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
Jan 31, '17
Responses and Actions Taken by the Ministry of Health, Labour and Welfare of Japan on Radiation Protection at Works Relating to the Accident at TEPCO's Fukushima Daiichi Nuclear Power Plant 4th Edition (Fiscal Year of 2016) PDF 1081KB
Executive Summary PDF 2781KB
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
Aug 19, '16
Result of review at the "review meeting on occupational/non-occupational ionizing radiation disease" and approval as occupational disease/injury PDF 151KB
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
Jan 31, '16
Responses and Actions Taken by the Ministry of Health, Labour and Welfare of Japan on Radiation Protection at Works Relating to the Accident at TEPCO's Fukushima Daiichi Nuclear Power Plant 3rd Edition (Fiscal Year of 2015) PDF 31,391KB
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 1,163KB
Oct 20, '15
Result of review at the "review meeting on occupational /non-occupational ionizing radiation disease" and approval as occupational disease/injury PDF 109KB
Oct 9, '15
Results of supervision and instruction activities for employers of decontamination workers (from Jan. to June 2015) PDF 397KB
May 1, '15
Expert Meeting on the Long-term Healthcare etc. of Workers at the TEPCO Fukushima Daiichi Nuclear Power Plant PDF 653KB
Mar 31, '15
Response and Action Taken by the Ministry of Health, Labour and Welfare of Japan on Radiation Protection at Works Relating to TEPCO's Fukushima aiichi Nuclear Power Plant Accident 2nd Edition (Fiscal Year of 2014) PDF 3,184KB
Mar 5, '15
Results of supervision/instructions to employers of decontamination workers (July - December 2014)
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 1st Edition (Fiscal Year of 2013). PDF 1,896KB
Feb 14, '13
Overview of the Expert Meeting’s Report on the Prevention of Radiation Hazards for Workers Engaged in the Disposal of Decontamination Waste. PDF 821KB
Report by the Expert Meeting on Radiological Protection for Disposal Works of Decontamination-Removed Materials. PDF 598KB
Apr 27, '12
Overview of the second report from the Expert Meeting on Radiation Protection for Decontamination and Related Works. PDF 346KB
Expert Meeting on Radiological Protection for Decontamination and Related Works The Second Report. PDF 361KB
Nov 28, '11
Overview of Report from the Expert Meeting on Radiological Protection for Decontamination and Related Works. PDF 169KB
Report from the Expert Meeting on Radiological Protection for Decontamination and Related Works. PDF 565KB
Sep 26, '11
Expert meeting on the long-term health care of workers at the TEPCO Fukushima Daiichi Nuclear Power Plant (Report Overview). PDF 121KB
Report from the expert meeting on the long-term health care of workers at the TEPCO Fukushima Daiichi Nuclear Power Plant. PDF 222KB

Leaflets/Brochures

Apr '15
More thorough implementation of ensuring working conditions and controlling radiation exposure, etc. of workers engaged in decontamination and related works. PDF 134KB
Feb '15
Engaging in decontamination and related works by young people below the age of 18 (minors) is prohibited. PDF 221KB
Apr 12, '13
Pamphlet on works related to disposal of accident-derived waste (for employers). PDF 696KB
Jun 15, '12
Pamphlet on decontamination works (for employers). PDF 623KB
Leaflet on works under a designated dose rate (for employers). PDF 405KB
Pamphlet on decontamination works (for workers). PDF 1,193KB
Leaflet on works under a designated dose rate (for workers). PDF 681KB

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