Table 5.
Comparison of Thyroid Doses for 1-y Old Child and Adult Person after Test Centaure on 17 July 1974
| Parameter | Fiji (Suva) | Samoa (Apia) | Tonga (Tongatapu) |
Cook Islands (Rarotonga) | French Polynesia (Tahiti) |
|---|---|---|---|---|---|
| Time-integrated total β-concentration air (Bq s m-3) | 9.2×104 | 2.3×106 | 7.0×104 | 8.1×105 | 5.5×107 |
| Time of arrival | H+4d | H+4d | H+9d | H+3d | H+56h |
| Precipitation | Yes | No | Yes | Yes | Yes |
| Deposition density (Bq m-2): | |||||
| Total | 5.7×103 | 4.1×104 | 4.3×103 | 5.0×104 | 3.4×106 |
| 131I | 250 | 1.8×103 | 350 | 1.7×103 | 9.5×104 |
| Time-integrated 131I activity concentration in fresh cow’s milk (Bq d L-1) | 38 | 130 | – | – | 2,300 |
| Thyroid dose to 1-y child (mGy) due to: | |||||
| Inhalation of 131I and short-lived 132I, 133I, 135I, 132Te | 5.4×10-4 | 0.013 | 5.3×10-4 | 4.3×10-3 | 0.28 |
| Ingestion of 131I with fresh cow’s milk | 0.051 | 0.17 | – | – | 3.1 |
| External irradiation | 9.6×10-4 | 6.3×10-3 | 1.3×10-3 | 6.7×10-3 | 0.39 |
| Total | 0.052 | 0.19 | 1.8×10-3 | 0.011 | 3.8 |
| Thyroid dose to adult (mGy) due to: | |||||
| Inhalation of 131I and short-lived 132I, 133I, 135I, 132Te | 2.1×10-4 | 5.2×10-3 | 2.2×10-4 | 1.6×10-3 | 0.1 |
| Ingestion of 131I with fresh cow’s milk | 5.1×10-3 | 0.018 | – | – | 0.31 |
| External irradiation | 8.0×10-4 | 5.4×10-3 | 1.1×10-3 | 5.7×10-3 | 0.33 |
| Total | 6.1×10-3 | 0.028 | 1.3×10-3 | 7.3×10-3 | 0.97 |