GBZ 139-2019Radiation protection requirements for rare earth production sites (English PDF)

GBZ 139-2019 is the English-translated version of 稀土生产场所放射防护要求.

GBZ 139-2019 is the Chinese national standard "Radiation protection requirements for rare earth production sites". It was issued on September 27, 2019 by the National Health Commission of the People's Republic of China, and took effect on April 1, 2020. It is obsolete: it has been replaced by GB/Z 139-2025.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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