Radon monitoring in sites of economical importance in Jamaica

The main task was to evaluate possible radon risk to the public and workers in four caves of economical importance.Green Grotto Cave is a large labyrinthine limestone cave, open to the tourism; kept Rn concentration in the range 30–40 Bq m−3. Xtabil a coral limestone sea cave is part of a beach resort resulted in very low radon concentration of 10 Bq m−3.Windsor is an intricate limestone cave system showed Rn concentration in the range 250–350 Bq m−3. Whereas the Oxford caves, is situated in a region of high radioactivity in soil due to the bauxite mines, reached a maximum of 2592 Bq m−3.

► Touristic caves of economical importance shown no radon risk for workers and visitors.
► Maximum permanence time due to abnormal radon is given for caves used by speleologist.
► Despite high Rn and U in soil in bauxite areas no risk is determined in houses.