Abstract
In 1983, in order to suit the rapid development of radiation processing, a programme of high dose standardization was initiated in China. As a result, a high dose measurement system for gamma - rays including primary standards, transfer standards and working dosimeters, has been established. In this paper, the scheme of dosimetry traceability to national standards for gamma - rays is illustrated. The aspects of standardization and the progress of dosimetry of radiation processing are also outlined. In order to implement “the Law on Metrology of the Peoples Republic of China” and to guarantee the product quality of radiation processing. SBTS and SCTS have jointly issued “the Provisional Regulation of Metrological Supervision and Management for Radiation Processing”. A series of national standards, verification regulations and technical norms have been enacted and issued on the radiation processing dosimetry and on the approval of irradiation facilities. These documents are expected to play significant roles in the dose measurement standardization and the regularity control.
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