| Risk Level | Risk Factors RPNs | |||
| PL | S | E | M | |
| Low | 1 - 4 | 1 - 4 | 1 - 4 | 1 - 4 |
| Medium | 5 - 9 | 5 - 9 | 5 - 9 | 5 - 12 |
| High | 10 - 25 | 10 - 25 | 10 - 25 | 16 - 25 |