Table 2: Average concentration of radon, thoron, and progeny in Wayanad, Kerala, India. Result of phase 2 study.

MaximumMinimumAverage ± SDGM (GSD)

Radon concentration [Bq/m3]3792068 ± 7454 (2)
Thoron concentration [Bq/m3]57616123± 11595 (2)
EERC [Bq/m3]1601043 ± 3037 (2)
EETC [Bq/m3]813 ± 23 (2)
0.890.430.69 ± 0.140.68 (1.24)
0.140.010.04 ± 0.030.03 (1.83)