Sample type | Sample code | Activity concentrations (Bq/kg) | |||
226Ra | 232Th | 40K | 137Cs | ||
Soil | S1 | 15.37 | 28.29 | 546.35 | 0.83 |
S2 | 14.93 | 25.90 | 560.05 | 0.17 | |
S3 | 14.38 | 22.85 | 510.92 | 1.56 | |
S4 | 13.90 | 24.56 | 595.18 | 0.01 | |
S5 | 13.10 | 24.07 | 600.75 | L.D.L | |
S6 | 13.97 | 29.03 | 583.05 | 0.25 | |
Range | 13.10 - 15.37 | 22.85 - 29.03 | 510.92 - 600.75 | 0.01 - 1.56 | |
Average | 14. 28 | 25.78 | 566.05 | 0.56 | |
UNSCEAR 2000 | 30 | 35 | 400 |
| |
Granite rock samples | G1 | 42.25 | 102.36 | 1480.26 | 1.15 |
G2 | 37.36 | 83.93 | 1031.26 | 0.87 | |
G3 | 53.33 | 109.22 | 1058.50 | 0.75 | |
G4 | 45.17 | 103.89 | 1489.20 | 0.61 | |
G5 | 53.67 | 128.75 | 1076.01 | 0.57 | |
G6 | 38.21 | 104.71 | 1272.81 | 0.04 | |
Range | 37.36 - 53.67 | 83.93 - 128.75 | 1031.26 - 1489.2 | 0.04 - 1.15 | |
Average | 45 | 106 | 1235 | 0.67 | |
UNSCEAR 2000 | 50 | 50 | 500 |
|