Ministry of Health, Labour and Welfare

 Decontamination/Remediation

The status on radiation protection of the workers engaged in decontamination and remediation of contaminated materials derived from Fukushima Daiichi NPP Accident are shown.


Decontamination/Remediation

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
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
Oct 9, '15
Results of supervision and instruction activities for employers of decontamination workers (from Jan. to June 2015) PDF 397KB
Mar 5, '15
Results of supervision/instructions to employers of decontamination workers (July - December 2014)
Oct 20, '14
Re: Promotion of safety and health measures for the decontamination and related works, for works under a designated dose rate, and for (nuclear) accident-derived waste disposal (Labour Standards Bureau Notification No. 1020-2) PDF 127KB
Aug 7, '14
Results of Supervision/Instructions to Employers of Decontamination Works (January - June 2014)
Mar 12, '14
Results of supervision/instructions to employers of decontamination 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]
July 24, '13
Results of supervision/instructions to employers of decontamination works (January ・June, 2013) and request to the employers.
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
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)
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
Measures to prevent radiation hazards will be required for rehabilitation and reconstruction works other than decontamination works - The partially revised Ionizing Radiation Ordinance for Decontamination will be put into effect on 1 July 2012 -.
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
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
Guidelines on Prevention of Radiation Hazards for Decontamination Works(Overview).PDF 173KB
Apr 27, '12
An expert meeting compiled a report on radiological hazard protection measures for workers engaged in rehabilitation and reconstruction work in response to the revision of the evacuation areas.
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
A ministerial ordinance for preventing radiation hazards of workers engaged in the decontamination works was published, and its guidelines were formulated.
Dec 12, '11
Consultation with and recommendation from the Labor Policy Council on “the outline of the draft 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”.
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 28, '11
A report was compiled by “the Expert Meeting on Radiological Protection for Decontamination and Related Works”.
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]

Waste Disposal

Oct 20, '14
Re: Promotion of safety and health measures for the decontamination and related works, for works under a designated dose rate, and for (nuclear) accident-derived waste disposal (Labour Standards Bureau Notification No. 1020-2) PDF 127KB
Dec 26, '13
Revision of Guideline on Prevention of Radiation Hazards for Workers Engaged in Decontamination Works.
[Labour Standards Bureau Notification No.1226-21]
Apr 12, '13
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
A Ministerial Ordinance for Preventing Radiation Hazards of workers engaged in the disposal of accident-derived waste, etc. was published, and its guidelines were formulated.
Measures for Preventing radiation hazards to Workers Engaged in Disposal of (Nuclear) Accident-derived Waste.PDF 689KB
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
Pamphlet on works related to disposal of accident-derived waste (for employers).PDF 696KB
Mar 26, '13
Consultation to and Recommendation from the Labor Policy Council concerning the outline of the draft ministerial ordinance for revision of the "Ordinance on Industrial Safety and Health" and the "Ordinance on Prevention of Ionizing Radiation Hazards", Press release (26 Mar 2013).PDF 264KB
Feb 14, '13
Measures to prevent radiation hazards were formulated for workers involved in disposal of decontamination waste.
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]
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]
May 11, '11
Re: Action for works handling disaster waste in Fukushima Prefecture.
[Occupational Safety and Health Department Notification No. 0511-1]

Other Related Topics

Oct 15, '15
Dose distribution of workers engaged in decontamination and related works, etc. per quarter [Flash report] [From July 2014 to June 2015] (by Radiation Effects Association) PDF 15KB
Jul 14, '15
Producing and Offering Graphic Presentations of Dose Statistical Data Based on the Information Registered with the System of Registration and Management of Radiation Exposure Doses for Decontamination and Related Works (2014) (by Radiation Effects Association)
Quarterly Radiation Exposure Dose Distribution of Workers for Decontamination and Related Works, etc. (Preliminary Figures) [From April 2014 to March 2015] (by Radiation Effects Association) PDF 149KB
Apr 15, '15
Statistics on Radiation Exposure Doses of Decontamination Workers and Other Items Have Been Announced (by Radiation Effects Association)
Dec 26, '13
Organization for Registration Control of Radiation Exposure Doses for Decontamination and Related Works.
[Labour Standards Bureau Notification No.1226-17]
Nov 19, '13
Re: Interim policy on reuse, etc. of construction by-products generated by public construction works in Fukushima Prefecture(Industrial Health Division Notification No. 1119-1) PDF 118KB
Nov 15, '13
Organization for Registration Control of Radiation Exposure Doses for Decontamination and Related Works.
[Labour Standards Bureau Notification No.1115-4]
The launch of the organization for systematic control of radiation exposure doses, etc. for decontamination and related works.
Feb 21, '13
Measures for restorations in new evacuation-directed area (revised) (Industrial Health Division Notification No. 0221-1)
Jan 18, '13
Current status of supervision and instructions provided to employers engaged in decontamination works.
Jul 24, '12
Designation of the organization which stores records of designated decontamination and related works (Industrial Health Division Notification No. 0724-1)
Feb 17, '12
Instructional movies were produced for assisting practical training in the special education on decontamination works.
Feb 13, '12
Designation of the organization which stores records of designated decontamination and related works (Industrial Health Division Notification No. 0213-1) PDF 18KB
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: 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]

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