| Nominal Maximum Aggregate Size | Minimum Sample Mass, g | |
| U.S. | Metric | |
| 3.5 inches | 90.0 mm | 90000 |
| 3.0 inches | 75.0 mm | 60000 |
| 2.5 inches | 63.0 mm | 30000 |
| 2.0 inches | 50.0 mm | 15000 |
| 1.5 inches | 37.5 mm | 7500 |
| 1.0 inch | 25.0 mm | 3000 |
| 0.75 inches | 19.0 mm | 1500 |
| 0.5 inches | 12.5 mm | 500 |
| 0.375 inches | 9.5 mm | 200 |