Research Article
Natural Radioactivity in Soil and Water from Likuyu Village in the Neighborhood of Mkuju Uranium Deposit
Table 3
Comparison of natural radioactivity levels in the soil of Likuyu village with those in other countries as given in UNSCEAR (2000) [
11].
| | Countries | Activity concentration (Bq/kg) | |
238U |
232Th |
40K |
| | Malaysia | 66 (49–86) | 82 (63–110) | 310 (170–430) | | China | 32 (2–440) | 41 (1–360) | 440 (38–760) | | Egypt | 37 (6–120) | 18 (2–96) | 320 (29–650) | | Algeria | 30 (2–110) | 25 (2–140) | 370 (66–1150) | | India | 29 (7–81) | 64 (14–160) | 400 (38–760) | | Portugal | 49 (26–82) | 51 (22–100) | 840 (220–1230) | | Hong Kong SAR | 84 (25–130) | 95 (16–200) | 530 (80–1100) | | United States | 35 (4–140) | 35 (4–130) | 370 (100–700) | | World average | 30 (16–110) | 35 (11–64) | 400 (140–850) | | Present study | 52 | 36 | 564 |
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