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JICOSH Home > Laws > Ordinance on Prevention of Ionizing Radiation Hazards
Ordinance on Prevention of Ionizing Radiation Hazards

Ministry of Labour Ordinance No. 41 of September 30, 1972
Latest Amendments:
Ministry of Health, Labour and Welfare Ordinance No. 172 of July 16, 2001

Japanese


Chapter IV-II.  Control of Special Work

(Working Rules at Processing Facilities, Etc.)

Article 41-3. In carrying out work involving the handling of nuclear fuel materials (such as those prescribed in paragraph 2 of Article 3 of the Atomic Energy Basic Law (Law No. 186, 1955); hereinafter the same), spent fuel materials (such as those prescribed in paragraph 8 of Article 2 of the Law Concerning Regulations on Nuclear Raw Materials, Nuclear Fuel Materials and Nuclear Reactors; hereinafter the same), or anything contaminated by such materials (including fission products; hereinafter the same) within a controlled area of a processing facility (such as those prescribed in item 2, paragraph 2 of Article 13 of the Law Concerning Regulations on Nuclear Raw Materials, Nuclear Fuel Materials and Nuclear Reactors (Law No. 166, 1957), which are the same as in paragraph 1 of Article 52-6), reprocessing facilities (such as those prescribed in item 2, paragraph 2 of Article 44 of the same law, which are the same as in Paragraph 1 of Article 52-6), or facilities that use such materials, etc. (such as those prescribed in paragraph 3 of Article 53 of the same law [limited to those using nuclear fuel materials as prescribed in Article 16-2 of the Cabinet Order Concerning the Regulations on Nuclear Raw Materials, Nuclear Fuel Materials and Nuclear Reactors (Cabinet Order No. 324, 1957)]; which are the same as in paragraph 1 of Article 52-6), the employer shall formulate regulations necessary to protect workers from hazards due to radiation for such work with respect to the following matters, and shall carry out such work according to such regulations.

(1)  Operations of processing facilities, reprocessing facilities or facilities that use such materials, etc.

(2)   Coordination and adjustment of safety devices and automatic alarm devices.

(3)  Steps to prevent nuclear fuel materials from accidentally reaching a critical state.

(4)  Operational methods and procedures.

(5)  Measures concerning the monitoring of dose equivalent rates due to external radiation and the concentration of radioactive substances in the air.

(6)  Measures concerning inspections with respect to the contamination of surface areas of the ceilings, floors, walls, facilities, etc., and the removal of such contamination.

(7)  Emergency measures at the time any abnormal event occurs.

(8)  In addition to each item above, the measures necessary to protect workers from radiation hazards.

2.  When formulating the regulations prescribed in the preceding paragraph, the employer shall take steps to ensure that the workers involved become fully aware of each item in the same paragraph.

(Working Rules at Nuclear Reactor Facilities)

Article 41-4. In carrying out work involving the handling of nuclear fuel materials, spent fuel materials, or anything contaminated by such materials within a controlled area of nuclear reactor facilities (such as those prescribed in item 5, paragraph 2 of Article 23 of the Law Concerning Regulations on Nuclear Raw Materials, Nuclear Fuel Materials and Nuclear Reactors; which are the same as in paragraph 1 of Article 52-7), the employer shall formulate regulations necessary to protect workers from hazards due to radiation for such work with respect to the following matters, and shall carry out such work according to such regulations.

(1)  Operational methods and procedures.

(2)  Measures concerning the monitoring of dose equivalent rates due to external radiation and the concentration of radioactive substances in the air.

(3)  Measures concerning inspections with respect to the contamination of surface areas of the ceilings, floors, walls, facilities, etc., and the removal of such contamination.

(4)  Emergency measures at the time any abnormal event occurs.

(5)  In addition to each item above, the measures necessary to protect workers from radiation hazards.

2.  When formulating the regulations prescribed in the preceding paragraph, the employer shall take steps to ensure that the workers involved become fully aware of each item in the same paragraph.



INDEX
I / II / III / IV / IV-II / V
VI / VI-II / VII / VIII / IX
Supplementary Provisions
Attached Table


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