Average Radon concentration (K Bq/m
3
) at different depths
Average of the measured radon concentration In summer (S)
Average of the measured radon concentration In winter (W)
Ratio S/W
At 25 cm
1.742 ± 0.168
1.108 ± 0.153
1.572
At 50 cm
2.546 ± 0.254
1.957 ± 0.477
1.300
At 75 cm
3.053 ± 0.265
2.503 ± 0.263
1.219
At 100 cm
4.347 ± 0.359
2.996 ± 0.202
1.450
Table 4:
Ratio between average radon concentration in summer and winter at different depths in the medium level zone.
