Relationship between Personal Dosemeters Reading and Human Doses

The relationship between personal dosemeter reading and the effective male dose (equivalent), the effect of skin-dosemeter distance and the effect of angular responce of dosemeters, were studied using a computational model developed in JAERI and a realistic body phantom. The relationship was calculated for five locations of dosemeters worn at the skin surface of the trunk. The calculations showed that the dosemeters at the left breast pocket gave the best estimation of the effective male dose (equivalent) although from the measurement it was shown that the same location had the worst angular horizontal response. The study on the effect of skin-dosemeter distance indicated a contradictory result which requires further investigation, whereas the angular vertical response showed less than 10% response variation even for 90o rotation of the dosemeter (author). 11 refs., 2 tabs., 6 figs