| Part 1 Soil Prop. - Site 1 | 100 | 90 | 80 | 70 |
| Part 1 Soil Prop. - Site 2 | 80 | 80 | 70 | 60 |
| Part 1 Soil Prop. - Site 3 | 100 | 90 | 80 | 60 |
| Part 1 Soil Prop. - Site 4 | 80 | 60 | 70 | 60 |
| Part 1 Soil Prop. - Total | 360 | 320 | 300 | 250 |
| Part 2 Overall Risk - Site 1 | 20 | 20 | 20 | 20 |
| Part 2 Overall Risk - Site 2 | 10 | 20 | 15 | 5 |
| Part 2 Overall Risk - Site 3 | 15 | 15 | 15 | 20 |
| Part 2 Overall Risk - Site 4 | 15 | 20 | 15 | 20 |
| Part 2 Overall Risk - Total | 60 | 75 | 65 | 65 |
| Part 3 Management - Site 1 | 116 | 104 | 116 | 108 |
| Part 3 Management - Site 2 | 108 | 100 | 100 | 80 |
| Part 3 Management - Site 3 | 108 | 112 | 112 | 112 |
| Part 3 Management - Site 4 | 108 | 100 | 108 | 100 |
| Part 3 Management - Total | 440 | 416 | 436 | 400 |