| Part 1 Soil Prop. - Site 1 | 110 | 100 | 90 | 70 | 90 |
| Part 1 Soil Prop. - Site 2 | 100 | 100 | 90 | 90 | 80 |
| Part 1 Soil Prop. - Site 3 | 90 | 80 | 80 | 80 | 70 |
| Part 1 Soil Prop. - Site 4 | 110 | 100 | 100 | 90 | 50 |
| Part 1 Soil Prop. - Total | 410 | 380 | 360 | 330 | 290 |
| Part 2 Overall Risk - Site 1 | 20 | 20 | 20 | 20 | 20 |
| Part 2 Overall Risk - Site 2 | 20 | 20 | 10 | 10 | 20 |
| Part 2 Overall Risk - Site 3 | 20 | 10 | 10 | 15 | 10 |
| Part 2 Overall Risk - Site 4 | 20 | 20 | 20 | 20 | 5 |
| Part 2 Overall Risk - Total | 80 | 70 | 60 | 65 | 55 |
| Part 3 Management - Site 1 | 100 | 92 | 92 | 72 | 84 |
| Part 3 Management - Site 2 | 112 | 108 | 88 | 88 | 100 |
| Part 3 Management - Site 3 | 100 | 104 | 88 | 96 | 100 |
| Part 3 Management - Site 4 | 108 | 100 | 112 | 104 | 84 |
| Part 3 Management - Total | 420 | 404 | 380 | 360 | 368 |