TESTING OF A TLD AND A DIRECT ION STORAGE (DIS) DOSIMETER FOR USE AS A PERSONAL DOSIMETER

The dosimetric performance characteristics of a TLD system (Harshaw Mo del 6600 with TLD-100 LiF-pellets) installed at the Personal Dosimetry Laboratory of the Finnish Centre for Radiation and Nuclear Safety hav e been tested Tests performed are based on the IEC Standard 1066. Alon g with the TLD system some novel direct ion storage (DIS) dosemeters ( Rados Technology Oy) were also included in some of the tests and the r esults for DIS dosemeters were also compared with the performance crit eria of IEC 1066. Direct comparison of the results between TLDs and DI S dosemeters is not made, as only a few of early stage design DIS dose meters were available. The tests were made for photon radiation using the personal dose equivalent at 10 mm depth, i.e. H-p(10), as a testin g quantity. Based on the recommendations of ICRU and ICRP and the resu lts obtained the applicability of both types of dosemeters for use in an official personal dose monitoring system is assessed.