IAEA/WHO Network of Secondary Standards Dosimetry Laboratories (SSDL)

The joint IAEA/WHO Network of SSDLs was established in 1976 to improve the accuracy of radiation dosimetry. Through laboratories designated by IAEA Member States, the Network enables national dosimetry standards to be traceable to the international system of units (SI).

The IAEA Dosimetry Laboratory is the central laboratory of the Network and plays a key role by providing reference dosimeter calibrations, comparisons, reference irradiations and postal dose-audit services to Member States. The IAEA also maintains a database (DOLNET), which contains information on calibration services provided by the members of the SSDL Network.

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