| Sa. No. | District | Specific activities (Bq/ kg) | |||
| 226Ra | 232Th | 40K | |||
| SS1 | Al Wajh | 58.10 ± 0.53 | 33.00 ± 0.64 | 95.00 ± 0.22 | |
| SS2 | Region 1 | AL ULA | 1.50 ± 0.20 | 3.40 ± 0.40 | 18.20 ± 0.40 |
| SS3 | 42.50 ± 0.23 | 126.00 ± 0.21 | 129.00 ± 0.30 | ||
| SS4 | 2.10 ± 0.70 | 4.60 ± 0.75 | 18.20 ± 2.00 | ||
| SS5 | 18.20 ± 0.50 | 6.56 ± 2.40 | 7.70 ± 0.02 | ||
| SS6 | 47.20 ± 1.10 | 18.31 ± 0.31 | 182.00 ± 2.00 | ||
| SS7 | 0.63 ± 0.14 | 1.88 ± 0.23 | 1.82 ± 0.24 | ||
| Range | 0.63 - 58.10 | 1.88 - 126.00 | 1.82 - 182.00 | ||
| Average | 10.97 ± 0.43 | 27.68 ± 0.37 | 64.56 ± 0.74 | ||
| SS8 | Region 2 | North of Al Ula-Al Zzabira Wasia | 4200.00 ± 39.7 | 1762.00 ± 3.03 | 2380.00 ± 2.00 |
| SS9 | 1230.00 ± 6.20 | 1690.00 ± 2.05 | 2380.10 ± 0.28 | ||
| SS10 | 947.67 ± 0.91 | 547.80 ± 0.78 | 2380.00 ± 1.60 | ||
| SS11 | 1231.33 ± 0.50 | 2010.00 ± 2.20 | 2380.21 ± 1.13 | ||
| SS12 | 908.00 ± 0.01 | 216.70 ± 0.01 | 1090.00 ± 0.32 | ||
| SS13 | 1360.00 ± 0.08 | 2052.50 ± 0.10 | 2380.00 ± 0.30 | ||
| SS14 | 1474.30 ± 0.06 | 1652.20 ± 0.03 | 2390.00 ± 0.21 | ||
| SS15 | 1751.67 ± 0.13 | 2060.70 ± 0.31 | 2376.00 ± 1.10 | ||
| SS16 | 2077.00 ± 0.10 | 1924.00 ± 0.01 | 2460.00 ± 0.34 | ||
| Range | 908 - 4200 | 216 - 2060 | 2376.00 - 2460.34 | ||
| Average | 2465.49 ± 0.01 | 2042.00 ± 0.10 | 2259.65 ± 0.64 | ||
| | 50 | 50 | 500 | ||