Table 1.
Mean specific activities of 232Th 238U and 40K for Thanjavur
| Sample code | Location Name | Soil type | 232Th (Bq kg−1) | 238U (Bq kg−1) | 40K (Bq kg−1) |
|---|---|---|---|---|---|
| TJ1 | Manambu Chavadi | Alluvial | 44.7±5.4 | 16±0.8 | 219 ±6.3 |
| TJ2 | Thanjavur Jn. | Red soil | 46.7±3.4 | 19.1±1.3 | 89±0.7 |
| TJ3 | Pambatti Street | Alluvial | 30±7.7 | 10.1±0.9 | 234±0.7 |
| TJ4 | Arulananda Nagar | Red Soil | 48.6±9.9 | 24.6±2.0 | 38±5.2 |
| TJ5 | Tamil University | Red soil | 45.5±12.4 | 24.7±6.2 | 46±3.2 |
| TJ6 | Medical College | Red Soil | 69.7±7.4 | 21.6±1.3 | 133±2.6 |
| TJ7 | Srinivasapuram | Black soil | 76.6±13.5 | 11.5±1.7 | 181 ±8.0 |
| TJ8 | South Rampart | Black soil | 40.7±14.1 | 15.1±2.0 | 236±2.1 |
| TJ9 | Rajagori | Black soil | 18.6±13.9 | 7.3±3.1 | 417±7.5 |
| TJ10 | Karanthai | Alluvial | 36.2±16.1 | 9.3±2.1 | 290±6.5 |