| Part 1 Soil Prop. - Site 1 | 90 | 80 | 70 | 80 |
| Part 1 Soil Prop. - Site 2 | 70 | 60 | 70 | 70 |
| Part 1 Soil Prop. - Site 3 | 80 | 70 | 60 | 50 |
| Part 1 Soil Prop. - Site 4 | 60 | 80 | 60 | 50 |
| Part 1 Soil Prop. - Total | 300 | 290 | 260 | 250 |
| Part 2 Overall Risk - Site 1 | 15 | 10 | 5 | 20 |
| Part 2 Overall Risk - Site 2 | 15 | 15 | 15 | 20 |
| Part 2 Overall Risk - Site 3 | 15 | 15 | 15 | 15 |
| Part 2 Overall Risk - Site 4 | 15 | 15 | 10 | 15 |
| Part 2 Overall Risk - Total | 60 | 55 | 45 | 70 |
| Part 3 Management - Site 1 | 100 | 100 | 84 | 92 |
| Part 3 Management - Site 2 | 88 | 80 | 92 | 84 |
| Part 3 Management - Site 3 | 100 | 96 | 96 | 92 |
| Part 3 Management - Site 4 | 84 | 92 | 84 | 64 |
| Part 3 Management - Total | 372 | 368 | 356 | 332 |