The rates and weights assigned to each parameter based on their relative importance on groundwater contamination
| Parameter . | Rate . | Weight . |
|---|---|---|
| Contaminated points | 4 | |
| High contamination | 9 | |
| Moderate contamination | 5 | |
| Low contamination | 3 | |
| Very low contamination | 2 | |
| Not detected contamination | 1 | |
| Land use | 2 | |
| Reservoirs and refining units | 9 | |
| Facilities | 6 | |
| Other areas | 3 | |
| Leakage history and bombardment impact | 3 | |
| Underground installations, dumping of hydrocarbon wastes | 9 | |
| No leakage | 0 | |
| Groundwater flow direction (m) | 1 | |
| <1,310 | 9 | |
| 1,310–1,315 | 8 | |
| 1,315–1,333 | 7 | |
| 1,333–1,342 | 6 | |
| 1,338–1,342 | 5 | |
| 1,342 < | 4 |
| Parameter . | Rate . | Weight . |
|---|---|---|
| Contaminated points | 4 | |
| High contamination | 9 | |
| Moderate contamination | 5 | |
| Low contamination | 3 | |
| Very low contamination | 2 | |
| Not detected contamination | 1 | |
| Land use | 2 | |
| Reservoirs and refining units | 9 | |
| Facilities | 6 | |
| Other areas | 3 | |
| Leakage history and bombardment impact | 3 | |
| Underground installations, dumping of hydrocarbon wastes | 9 | |
| No leakage | 0 | |
| Groundwater flow direction (m) | 1 | |
| <1,310 | 9 | |
| 1,310–1,315 | 8 | |
| 1,315–1,333 | 7 | |
| 1,333–1,342 | 6 | |
| 1,338–1,342 | 5 | |
| 1,342 < | 4 |