Hazard Severity | Weight | A (Frequent) | B (Probable) | C (Occasional) | D (Remote) |
Catastrophic | 1000 | A-01 | B-01 | C-01 | D-01 |
Critical | 100 | A-02 | B-02 | C-02 | D-02 |
Marginal | 10 | A-03 | B-03 | C-03 | D-03 |
Negligible | 1 | No significant hazards |