Sample Type | 226Ra series | 232Th series | 40K (1461 keV) | ||||||
214Pb (295 keV) | 214Pb (352 keV) | 214Bi (609 keV) | 214Bi (1120 keV) | 212Pb (239 keV) | 208Tl (583 keV) | 228Ac (911 keV) | 228Ac (969 keV) | ||
Stone |
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ST1 | 5.78 ± 1.99 | 4.75 ± 1.35 | 13.17 ± 1.72 | 28.04 ± 3.03 | 11.00 ± 2.16 | 4.89 ± 0.74 | 25.25 ± 2.59 | 16.34 ± 2.93 | 803.07 ± 16.63 |
ST2 | 9.03 ± 1.37 | 14.21 ± 2.08 | 13.39 ± 1.26 | 0.00 | 9.43 ± 1.40 | 4.45 ± 0.21 | 18.81 ± 1.70 | 7.90 ± 2.07 | 257.16 ± 11.37 |
ST3 | 6.16 ± 1.25 | 10.53 ± 1.78 | 10.82 ± 1.72 | 13.03 ± 0.51 | 9.39 ± 0.99 | 4.53 ± 0.72 | 17.65 ± 1.63 | 16.56 ± 0.85 | 295.14 ± 9.67 |
ST4 | 12.34 ± 1.87 | 19.27 ± 2.70 | 2.43 ± 0.61 | 8.29 ± 1.64 | 15.91 ± 2.04 | 15.12 ± 0.62 | 19.61 ± 0.74 | 11.97 ± 1.34 | 503.70 ± 6.11 |
ST5 | 2.39 ± 0.62 | 22.24 ± 1.96 | 4.98 ± 1.11 | 5.30 ± 1.26 | 11.90 ± 1.69 | 1.86 ± 0.36 | 29.28 ± 2.22 | 10.48 ± 1.34 | 230.33 ± 6.45 |
Range | 7.9 ± 4.6 to 15.8 ± 4.9 |
| 12.0 ± 5.9 to 17.4 ± 10.7 | 230 ± 6 to 803 ± 17 | |||||
Sand |
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SA1 | 14.44 ± 2.87 | 10.72 ± 1.60 | 9.73 ± 1.06 | 25.66 ± 4.17 | 1.64 ± 1.87 | 2.41 ± 0.46 | 10.08 ± 1.41 | 4.24 ± 1.34 | 137.80 ± 12.22 |
SA2 | 11.35 ± 2.87 | 11.36 ± 1.60 | 9.85 ± 1.06 | 25.48 ± 4.17 | 13.97 ± 1.87 | 7.52 ± 0.46 | 26.80 ± 1.41 | 9.79 ± 1.34 | 497.29 ± 12.22 |
SA3 | 3.02 ± 0.50 | 5.73 ± 0.80 | 7.91 ± 0.61 | 4.47 ± 0.76 | 5.84 ± 1.17 | 1.64 ± 0.18 | 11.93 ± 0.89 | 17.16 ± 1.83 | 153.46 ± 4.92 |
SA4 | 24.12 ± 7.48 | 13.55 ± 3.07 | 16.50 ± 1.67 | 12.64 ± 1.14 | 23.22 ± 4.55 | 8.57 ± 0.95 | 31.17 ± 1.63 | 31.40 ± 3.05 | 333.29 ± 5.09 |
SA5 | 7.85 ± 4.73 | 14.60 ± 3.19 | 16.26 ± 4.30 | 24.39 ± 2.40 | 28.88 ± 4.79 | 9.74 ± 0.95 | 27.55 ± 1.93 | 22.12 ± 2.68 | 298.55 ± 4.92 |
Range | 11.6 ± 2.5 to 18.1 ± 5.5 | 4.6 ± 3.8 to 23.6 ± 10.7 | 138 ± 12 to 497 ± 12 | ||||||
Cement |
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CE1 | 7.50 ± 1.87 | 20.10 ± 3.31 | 33.60 ± 2.63 | 12.90 ± 1.64 | 27.45 ± 3.21 | 1.56 ± 0.62 | 3.44 ± 0.74 | 31.35 ± 1.34 | 271.20 ± 6.11 |
CE2 | 15.63 ± 1.87 | 19.14 ± 1.96 | 10.37 ± 0.66 | 42.54 ± 5.18 | 11.30 ± 1.87 | 2.25 ± 0.44 | 22.03 ± 1.41 | 22.03 ± 1.46 | 212.61 ± 8.32 |
CE3 | 12.88 ± 1.74 | 14.21 ± 2.03 | 20.75 ± 1.87 | 23.84 ± 3.41 | 15.16 ± 1.23 | 7.79 ± 0.46 | 28.15 ± 2.59 | 31.58 ± 2.80 | 259.87 ± 8.32 |
CE4 | 43.12 ± 3.86 | 25.08 ± 2.33 | 33.33 ± 2.12 | 46.12 ± 3.92 | 16.39 ± 0.99 | 11.59 ± 0.51 | 30.83 ± 2.30 | 33.18 ± 3.20 | 426.23 ± 10.01 |
CE5 | 26.91 ± 1.62 | 25.75 ± 2.52 | 31.72 ± 3.23 | 25.59 ± 1.39 | 21.34 ± 2.80 | 8.48 ± 0.10 | 25.51 ± 1.41 | 38.51 ± 2.80 | 319.94 ± 11.54 |
Range | 15.0 ± 4.4 to 33.8 ± 9.0 | 14.4 ± 8.6 to 23.5 ± 12.4 | 213 ± 8 to 426 ± 10 | ||||||
Ceramic Tile |
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CT1 | 29.04 ± 4.49 | 13.12 ± 3.93 | 20.57 ± 1.52 | 9.46 ± 2.15 | 23.75 ± 3.68 | 0.94 ± 0.51 | 0.00 | 33.48 ± 3.78 | 500.39 ± 7.47 |
CT2 | 25.64 ± 4.49 | 6.97 ± 0.61 | 8.99 ± 1.57 | 12.34 ± 2.27 | 11.02 ± 1.58 | 3.65 ± 0.82 | 12.94 ± 1.70 | 16.47 ± 2.80 | 207.43 ± 4.41 |
CT3 | 80.90 ± 9.10 | 77.10 ± 4.24 | 82.18 ± 2.53 | 94.04 ± 3.16 | 66.00 ± 5.66 | 21.18 ± 1.13 | 49.12 ± 2.44 | 58.66 ± 3.66 | 517.80 ± 5.94 |
CT4 | 41.74 ± 7.35 | 12.87 ± 3.19 | 18.64 ± 1.77 | 21.29 ± 2.53 | 16.65 ± 4.38 | 4.38 ± 0.82 | 12.65 ± 1.78 | 7.84 ± 2.56 | 223.73 ± 3.90 |
CT5 | 26.93 ± 4.49 | 28.03 ± 3.50 | 32.22 ± 1.92 | 37.63 ± 2.53 | 30.19 ± 5.14 | 13.72 ± 0.95 | 39.86 ± 1.78 | 27.41 ± 3.53 | 319.08 ± 5.09 |
CT6 | 45.01 ± 8.72 | 52.59 ± 3.80 | 58.54 ± 2.17 | 50.65 ± 3.03 | 60.45 ± 5.25 | 17.91 ± 1.08 | 53.03 ± 2.15 | 63.40 ± 3.29 | 475.28 ± 5.09 |
CT7 | 25.16 ± 9.72 | 35.65 ± 7.92 | 67.11 ± 3.74 | 28.88 ± 2.65 | 34.83 ± 5.60 | 0.00 | 35.25 ± 2.67 | 36.02 ± 4.14 | 655.43 ± 8.32 |
Range | 17.3 ± 11.8 to 80.1 ± 2.6 | 10.4 ± 5.4 to 59.0 ± 5.3 | 207 ± 4 to 655 ± 8 | ||||||
Marble |
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IM1 | 33.61 ± 2.87 | 14.31 ± 2.52 | 16.10 ± 1.67 | 16.17 ± 2.15 | 24.44 ± 1.28 | 3.07 ± 0.38 | 17.30 ± 1.78 | 15.59 ± 2.68 | 236.61 ± 4.41 |
IM2 | 14.93 ± 7.35 | 12.01 ± 3.13 | 13.55 ± 1.67 | 25.20 ± 2.27 | 9.67 ± 4.09 | 5.32 ± 0.85 | 15.79 ± 1.70 | 21.97 ± 2.44 | 242.98 ± 4.07 |
Range | 13.5 ± 1.5 to 21.3 ± 10.7 | 15.8 ± 6.2 to 19.1 ± 4.5 | 237 ± 4 to 243 ± 4 |