Etching Techniques For Cr-39 Used In Neutron Personnel Monitoring In India

There are a number of etched track neutron dosimetric systems in use for personnel monitoring. In this paper the operational and dosimetric characteristics of two systems used for fast neutron personnel monitoring at BARC, India, are described. Brief details are given of the dosemter design, processing and read out methods. The dosimetric characteristics of both the systems such as the back ground, dose linearity, energy response, minimum measurable dose, reporting dose and the advantages and disadvantages of the systems in routine application have been discussed.