Popis: |
Radioactivity (226Ra, 137Cs, 232Th and 40K) levels in peloids from some Cuban spas (San Diego, Elguea, Santa Lucia and Cajio) have been studied. The radionuclide concentration ranges in peloids on Bq kg−1 dry weight varied as follows: 226Ra = 6–1800, 137Cs = |