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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

Attached Table (Refer to Articles 3, 28, 29, 30, 31, 32, 33, 39, 41 and 44)

Limits on Surface Contamination

Classification

Restriction

  (Bq/cm2)

Radioisotopes emitting alpha-rays

4

Radioisotopes not emitting alpha-rays

40

Remarks: Unit of restriction Bq/cm2: Becquerels per square centimeter



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