Research Article
Gamma Emitting Radionuclides in Soils from Selected Areas in Douala-Bassa Zone, Littoral Region of Cameroon
Table 1
Specify activities of 226Ra, 232Th, and 40K in soil samples from Campuses 1 and 2 of the University of Douala.
| Sampling sites | Sample ID | Latitude | Longitude | Specific activity (Bq/kg) |
226Ra |
232Th |
40K |
| Campus 1 | UD01 | 04°03′20.8′′N | 09°43′57.6′′W | | | | UD02 | 04°03′25.1′′N | 09°44′00.1′′W | | | | UD03 | 04°03′22.6′′N | 09°44′07.1′′W | | | | UD04 | 04°03′19.7′′N | 09°44′04.1′′W | | | | UD05 | 04°03′17.2′′N | 09°44′02.9′′W | | | | UD06 | 04°03′14.8′′N | 09°44′08.0′′W | | | | UD07 | 04°03′16.7′′N | 09°44′11.0′′W | | | |
| Minimum | | | | Maximum | | | | Average values ± standard deviation | | | |
| Campus 2 | UD08 | 04°03′29.7′′N | 09°44′26.5′′W | | | | UD09 | 04°03′31.0′′N | 09°44′30.3′′W | | | | UD10 | 04°03′22.0′′N | 09°44′30.0′′W | | | | UD11 | 04°03′25.1′′N | 09°44′36.8′′W | | | | UD12 | 04°03′21.5′′N | 09°44′39.0′′W | | | | UD13 | 04°03′16.5′′N | 09°44′39.8′′W | | | | UD14 | 04°03′18.4′′N | 09°44′37.5′′W | | | | UD15 | 04°03′16.8′′N | 09°44′35.5′′W | | | | UD16 | 04°03′24.9′′N | 09°44′42.2′′W | | | | UD17 | 04°03′21.2′′N | 09°44′45.2′′W | | | | DU18 | 04°03′18.2′′N | 09°44′42.7′′W | | | |
| Minimum | | | | Maximum | | | | Average values ± standard deviation | | | |
|
Worldwide (UNSCEAR 2000) | | | | Range | 17.00–60.00 | 11.00–68.00 | 140.00–850.00 | Average | 35.00 | 30.00 | 400.00 |
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