METHODS OF MONITORING OF RADIATION EXPOSURE USED IN POLISH COAL MINES

Jolanta Lebecka, Krystian Skubacz, Stanisław Chałupnik, Bogusław Michalik

Central Mining Institute, Plac Gwarków 1, Katowice, Poland


In this paper the basic principles and legal rules of the systematic monitoring of radiation exposure in Polish coal mines are presented.
According to the legal acts the following values shall be monitored: the concentration of short-lived radon decay products in mine atmosphere, the gamma-radiation dose rate, the concentration of 226Ra and 228Ra isotopes in mine waters, the concentration of natural radionuclides in sediments that precipitate from waters of higher radium concentration and individual doses. For the purpose of evaluation of radiation hazard of miners new instrumentation and methods of measurements have been developed. Several intercomparisons with participation of the best laboratories have been carried out to verify the efficiency of the developed methods. Also a comparison between legal acts of radiological protection in mines in Poland and in other countries has been presented with special emphasis on the situation in EEC countries.