Estimated threshold absorbed doses for deterministic effects after acute exposure.*
| Exposure Health Effect . | Organ . | Absorbed Dose (Gy) . |
|---|---|---|
| * For low-linear energy transfer (LET) radiation (x-rays, gamma rays). From NCRP Report No. 138 (1). | ||
| Temporary sterility | Testis | 0.15 |
| Nausea | 0.35 | |
| Depression of blood cell forming process | Bone marrow | 0.5 |
| Reversible skin effects (e.g., early reddening) | Skin | 2 |
| Permanent sterility | Ovaries | 2.5–6 |
| Vomiting | 3 | |
| Temporary hair loss | Skin | 3–5 |
| Permanent sterility | Testis | 3.5 |
| Skin erythema | Skin | 5–6 |
| Exposure Health Effect . | Organ . | Absorbed Dose (Gy) . |
|---|---|---|
| * For low-linear energy transfer (LET) radiation (x-rays, gamma rays). From NCRP Report No. 138 (1). | ||
| Temporary sterility | Testis | 0.15 |
| Nausea | 0.35 | |
| Depression of blood cell forming process | Bone marrow | 0.5 |
| Reversible skin effects (e.g., early reddening) | Skin | 2 |
| Permanent sterility | Ovaries | 2.5–6 |
| Vomiting | 3 | |
| Temporary hair loss | Skin | 3–5 |
| Permanent sterility | Testis | 3.5 |
| Skin erythema | Skin | 5–6 |