Radon in Caves.

Abstract

The physical characteristics of radon are reported as well as its sources,the transport in rock and its behaviour in caves. Then,the instruments,both active and passive, used for the measurement of radon concentration are discussed by taking into accounttheir respective advantages and disadvantages for the use in the cave environment. Since in many countries radon is the objectof regulations that were adopted for radiation protection purposes, this aspect is examined and the recommendations issued byinternational organisations and enforced in different countries are reported. Materials, methods and other remarks on the limitsimplementation are also listed with the aim of providing the managers of show caves with some instruments to comply with thedomestic requirements with the most convenient solution.

Keywords

• Radon
• cave environment
• radiation protection
• monitoring
• regulations