Underground laboratory |
Mean specific activity |
||
40K [Bq/kg] |
238U [Bq/kg] |
232 Th [Bq/kg] |
|
| Boulby (2805 m w.e.) | (34.9 ±
6.2) |
(0.83 ± 0.07) |
(0.52 ± 0.04) |
| LSC (2500 m w.e.) | (169 ± 5) |
(41.4 ± 7.0) |
(34.4 ± 2.8) |
| LSM (4800 m w.e.) | Rock (210 ± 30) |
(10.4 ± 2.5) |
(9.95 ± 0.81) |
| LNGS (3800 m w.e.) | Hall A Rock (224 ± 6) Hall B Rock (5.1 ± 1.3) Hall C Rock (2.9 ± 1.4) | (84.7 ± 8.4) (5.2 ± 1.3) (8.2 ± 1.7) | (8.8 ± 0.3) (0.25 ± 0.08) (0.27 ± 0.10) |
| Pyhäsalmi (3960 m w.e. ) | |||