Abstract
Abstract In 1985, the German-Swiss radiation protection association and the PTB organised an intercomparison programme for individual monitoring systems to find out whether these systems are able to measure the new dose equivalents H'(10) and H'(0.07) specified in ICRU Report 39. Twelve laboratories from Switzerland, Austria, England and the Federal Republic of Germany participated with 30 dosimetry systems including TLD systems for whole-body monitoring (13), TLD systems for extremity dosimetry (5), PLD systems (2), and film dosimetry systems (6). The dosemeters were irradiated with photons on the surface of an Alderson human phantom or an ICRU sphere. The range of the mean photon energy was 26 keV to 662 keV. It was observed that there are already some dosimetry systems of every type (TLD, PLD, etc) whose response, with respect to H'(10) and H'(0.07), does not vary appreciably with photon energy. However, in general, special effort is needed to implement the new dose quantities in routine monitoring.
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