Table 5.
40K (Bq kg−1) | 232Th (Bq kg−1) | 238U (Bq kg−1) |
---|---|---|
Dolomitic limestone (parent rock) | ||
26(2) | 1.5(1) | 1.8(1) |
40K (10−6 g g−1) | 232Th (10−6 g g−1) | 238U (10−6 g g−1) |
---|---|---|
Dolomitic limestone (parent rock) | ||
0.10(1) | 0.36(2) | 0.14(1) |
40K (Bq kg−1) | 232Th (Bq kg−1) | 238U (Bq kg−1) |
---|---|---|
Concrete | ||
70(2) | 3.7(2) | 9.5(3) |
40K (10−6 g g−1) | 232Th (10−6 g g−1) | 238U (10−6 g g−1) |
---|---|---|
Concrete | ||
0.27(1) | 0.90(5) | 0.76(2) |