| Risk exposure | Code | Risk consequences | Code | Risk management | Code |
| Rare | 1 | Insignifiant | 1 | Accept risk | 1 |
| Improbable | 2 | Minor | 2 | Reduce risk | 2 |
| Possible | 3 | Moderate | 3 | Transfer risk | 3 |
| Probable | 4 | Major | 4 | Avoid risk | 4 |
| Certain | 5 | Catastrophic | 5 |
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