| Sample | eU (ppm) | eTh (ppm) | eRa (ppm) | K% | eTh/eU |
Low Radioactivity | ES1 ES3 ES4 ES6 | 8 8 15 11 | 26 24 25 22 | 9 4 10 5 | 3.0 3.2 3.85 4.16 | 3.25 3.0 1.7 2.0 |
Moderate Radioactivity | ES2 ES5 ES8 ES9 | 184 180 76 163 | Ud Ud 1 Ud | 133 151 66 117 | 1.18 1.06 1.35 1.52 | <0.005 <0.005 0.01 <0.006 |
Anomalous Radioactivity | ES10 ES11 | 2240 3725 | Ud Ud | 1390 1525 | Ud Ud | <0.001 <0.001 |