| Criteria | Scale | Description |
| A1: Importance of condition | 4 | Important to national/international interest |
|
| 3 | Important to regional/national interest |
|
| 2 | Important to areas immediately outside the local condition |
|
| 1 | Important only to local condition |
|
| 0 | No importance |
| A2: Magnitude of change/effect | +3 | Major positive benefits |
|
| +2 | Significant improvement in status quo |
|
| +1 | Improvement in status quo |
|
| 0 | No change/status quo |
|
| −1 | Negative change in status quo |
|
| −2 | Significant negative change |
|
| −3 | major change |
| B1: Permanence | 1 | No change/not applicable |
|
| 2 | Temporary |
|
| 3 | Permanent |
|
| 1 | No change/not applicable |
|
| 2 | Reversible |
|
| 3 | Irreversible |
| B3: Cumulative | 1 | No change/not applicable |
|
| 2 | Non-cumulative/single |
|
| 3 | Cumulative/synergistic |