| Environmental negative impacts. | Range statistics value | Resulting values (ES) |
| No change/not applicable | 0 | 0 |
| Slight negative change/impact | −1 to −9 | -AT |
| Negative change/impact | −10 to −18 | -BT |
| Moderate negative change/impact | −19 to −35 | -CT |
| Significant negative change/impact | −36 to −71 | -DT |
| Major negative change/impact | −72 to −108 | -ET |