| 20-yr ESALs1 (millions) | Depth from Surface2 | |
| ≤ 100 mm (4 inches) | > 100 mm (4 inches) | |
| Less than 0.3 | 55/- | -/- |
| 0.3 to < 3 | 75/- | 50/- |
| 3 to < 10 | 85/80 | 60/- |
| 10 to < 30 | 95/90 | 80/75 |
| ≥30 | 100/100 | 100/100 |
| 20-yr ESALs1 (millions) | Depth from Surface2 | |
| ≤ 100 mm (4 inches) | > 100 mm (4 inches) | |
| Less than 0.3 | 55/- | -/- |
| 0.3 to < 3 | 75/- | 50/- |
| 3 to < 10 | 85/80 | 60/- |
| 10 to < 30 | 95/90 | 80/75 |
| ≥30 | 100/100 | 100/100 |