Rock type | Sample code | Activity Concentration (Bq∙kg−1) ± SDa | Raeq (Bq∙kg−1) | Hex | Iγ | Absorbed Dose rate (nGy∙h−1) | ||||||
226Ra | 232Th | 40K | 137Cs | 226Ra | 232Th | 40K | Total | |||||
Igneous Rocks | RIG001 | 9.56 ± 1.15 | 8.36 ± 1.66 | 2100.30 ± 25.40 | NDb | 183.24 | 0.50 | 1.54 | 4.41 | 5.05 | 87.58 | 97.05 |
RIG002 | 12.00 ± 1.26 | 18.00 ± 2.84 | 2400.40 ± 26.50 | 3.62 ± 0.78 | 222.45 | 0.60 | 1.85 | 5.51 | 10.85 | 100.10 | 116.45 | |
RIG003 | 12.00 ± 2.35 | 10.68 ± 1.45 | 867.45 ± 19.10 | 2.40 ± 0.54 | 94.00 | 0.25 | 0.76 | 5.40 | 6.45 | 36.17 | 48.03 | |
RIG004 | 11.50 ± 1.25 | 14.13 ± 2.25 | 1240.50 ± 21.40 | ND | 127.21 | 0.34 | 1.04 | 5.30 | 8.53 | 51.73 | 65.57 | |
RIG005 | 10.07 ± 1.34 | 8.83 ± 2.70 | 445.70 ± 16.50 | 1.50 ± 0.40 | 57.02 | 0.15 | 0.45 | 4.65 | 5.33 | 18.58 | 28.57 | |
RIG006 | 11.60 ± 1.11 | 11.50 ± 1.50 | 575.46 ± 17.07 | 4.00 ± 0.58 | 72.34 | 0.20 | 0.57 | 5.35 | 6.95 | 24.00 | 36.30 | |
RIG007 | 16.05 ± 1.40 | 19.10 ± 3.00 | 2510.00 ± 27.10 | 3.48 ± 0.72 | 236.64 | 0.63 | 1.97 | 7.42 | 11.53 | 104.66 | 123.63 | |
RIG008 | 17.50 ± 1.42 | 8.30 ± 1.67 | 2895.17 ± 28.30 | ND | 252.31 | 0.68 | 2.12 | 8.10 | 5.01 | 120.72 | 133.83 | |
RIG009 | 17.00 ± 1.58 | 19.83 ± 2.00 | 2696.45 ± 27.80 | ND | 253.00 | 0.68 | 2.11 | 7.85 | 11.98 | 112.44 | 132.27 | |
RIG010 | 5.86 ± 1.25 | 9.32 ± 2.45 | 1589.32 ± 22.83 | ND | 141.57 | 0.38 | 1.20 | 2.71 | 5.63 | 66.27 | 74.61 | |
RIG011 | 13.10 ± 1.48 | 14.00 ± 2.00 | 4854.00 ± 35.00 | ND | 406.73 | 1.10 | 3.46 | 6.04 | 8.40 | 202.41 | 216.86 | |
RIG012 | 15.60 ± 1.46 | 21.42 ± 1.82 | 2266.58 ± 26.20 | 2.44 ± 0.60 | 220.75 | 0.60 | 1.82 | 7.20 | 12.94 | 94.51 | 114.65 | |
RIG013 | 6.88 ± 1.13 | 7.26 ± 1.83 | 328.08 ± 15.60 | ND | 42.53 | 0.11 | 0.33 | 3.17 | 4.38 | 13.68 | 21.25 | |
RIG014 | 8.27 ± 1.00 | 5.12 ± 1.01 | 1021.56 ± 20.30 | 5.63 ± 0.63 | 94.26 | 0.25 | 0.78 | 3.82 | 3.10 | 42.60 | 49.50 | |
RIG015 | 9.25 ± 1.34 | 9.00 ± 1.55 | 1066.17 ± 20.50 | 0.93 ± 0.40 | 104.20 | 0.28 | 0.86 | 4.27 | 5.42 | 44.46 | 54.16 | |
RIG016 | 7.53 ± 1.27 | 7.76 ± 2.10 | 1297.30 ± 21.27 | 0.90 ± 0.43 | 118.52 | 0.32 | 1.00 | 3.48 | 4.68 | 54.10 | 62.26 | |
RIG017 | 6.53 ± 1.10 | 8.31 ± 1.41 | 600.00 ± 17.27 | 1.60 ± 0.53 | 64.60 | 0.17 | 0.52 | 3.01 | 5.02 | 25.01 | 33.05 | |
RIG018 | 6.18 ± 1.36 | 6.14 ± 2.40 | 3154.70 ± 29.43 | ND | 258.00 | 0.70 | 2.20 | 2.85 | 3.71 | 131.55 | 138.12 | |
Minimum | 5.86 | 5.12 | 328.08 | 0.90 | 42.53 | 0.11 | 0.33 | 2.71 | 3.10 | 25.00 | 28.57 | |
Maximum | 17.50 | 21.42 | 4854.00 | 5.63 | 406.73 | 1.10 | 3.46 | 8.10 | 12.94 | 202.41 | 216.86 | |
Mean | 11.00 | 11.50 | 1172.71 | 1.47 | 163.83 | 0.44 | 1.36 | 5.03 | 7.00 | 74.00 | 86.00 | |
Sedimentary Rocks | RSE019 | 54.85 ± 2.10 | 61.26 ± 6.38 | 6070.75 ± 39.50 | ND | 610.00 | 1.64 | 5.02 | 25.34 | 37.00 | 253.14 | 315.50 |
RSE020 | 7.65 ± 1.12 | 9.48 ± 1.16 | 1366.27 ± 21.60 | 4.00 ± 0.62 | 126.43 | 0.34 | 1.05 | 3.53 | 5.73 | 56.97 | 66.24 | |
RSE021 | 10.00 ± 1.13 | 8.00 ± 1.55 | 1216.20 ± 20.70 | 2.87 ± 0.60 | 115.00 | 0.30 | 0.95 | 4.60 | 4.82 | 50.71 | 60.13 | |
RSE022 | 6.00 ± 1.23 | 7.47 ± 1.05 | 664.68 ± 17.30 | 2.34 ± 0.57 | 67.84 | 0.18 | 0.55 | 2.76 | 4.51 | 27.71 | 35.00 | |
RSE023 | 10.67 ± 1.35 | 11.36 ± 1.34 | 644.40 ± 17.70 | ND | 76.54 | 0.20 | 0.61 | 4.93 | 6.86 | 26.87 | 38.66 | |
RSE024 | 10.20 ± 1.30 | 10.55 ± 1.46 | 964.78 ± 19.60 | 2.30 ± 0.55 | 99.57 | 0.26 | 0.81 | 4.71 | 6.37 | 40.23 | 51.33 | |
RSE025 | 7.78 ± 1.37 | 7.12 ± 1.16 | 968.84 ± 19.30 | ND | 92.56 | 0.25 | 0.76 | 3.60 | 4.30 | 40.40 | 48.30 | |
RSE026 | 8.58 ± 1.10 | 10.71 ± 2.14 | 110.00 ± 13.00 | 0.84 ± 0.35 | 32.37 | 0.08 | 0.23 | 3.96 | 6.47 | 4.58 | 15.02 | |
RSE027 | 5.58 ± 1.34 | 5.15 ± 1.33 | 136.26 ± 14.80 | 2.00 ± 0.57 | 23.45 | 0.06 | 0.18 | 2.58 | 3.11 | 5.68 | 11.37 | |
RSE028 | 8.03 ± 1.27 | 7.90 ± 1.43 | 340.25 ± 15.53 | 1.30 ± 0.47 | 45.51 | 0.12 | 0.36 | 3.71 | 4.76 | 14.18 | 22.66 | |
RSE029 | 5.23 ± 1.08 | 7.38 ± 1.82 | 401.08 ± 16.30 | 1.95 ± 0.53 | 46.67 | 0.12 | 0.37 | 2.41 | 4.46 | 16.72 | 23.60 | |
RSE030 | 10.00 ± 1.06 | 11.86 ± 1.55 | 693.07 ± 18.50 | 1.57 ± 0.46 | 80.30 | 0.20 | 0.64 | 4.60 | 7.16 | 29.00 | 40.67 | |
Minimum | 5.23 | 5.15 | 110.00 | 0.84 | 23.45 | 0.06 | 0.18 | 2.41 | 3.11 | 4.58 | 11.37 | |
Maximum | 54.85 | 61.26 | 6070.75 | 4.00 | 610.00 | 1.64 | 5.02 | 25.34 | 37.00 | 253.14 | 315.50 | |
Mean | 12.04 | 13.18 | 1131.36 | 1.60 | 118.01 | 0.31 | 0.96 | 5.56 | 8.00 | 47.17 | 60.70 | |
UNSCEAR 2008 [18] | 50 | 50 | 500 |
| 370 | ≤1 | ≤1 |
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| 84 |