| Main Index | 1996 Index | Search |

| Sample Depth | 0 | 1/3L&M | 1/3L&M&B | L | L&M | L&M&B |
|---|---|---|---|---|---|---|
| 0-1 1/2" Incorp. 91 | 0.5 | 0.5 | 0.6 | 0.6 | 0.5 | 0.5 |
| 0-1 1/2" Surface 91 | 1.0 | 1.3 | 1.1 | 1.4 | 1.7 | 1.6 |
| 1 1/2" - 3" Incorp. 91 | 0.4 | 0.4 | 0.5 | 0.6 | 0.6 | 0.6 |
| 1 1/2" - 3" Surface 91 | 0.9 | 0.8 | 0.7 | 0.8 | 1.1 | 1.0 |
| 3 - 6" Incorp. 91 | 0.3 | 0.5 | 0.5 | 0.8 | 0.9 | 0.8 |
| 3 - 6" Surface 91 | 0.2 | 0.2 | 0.2 | 0.3 | 0.6 | 0.3 |
| 6 - 12" Incorp 91 | 0.3 | 0.5 | 0.5 | 0.6 | 0.7 | 0.7 |
| 6 - 12" Surface 91 | 0.2 | 0.3 | 0.3 | 0.2 | 0.4 | 0.3 |
| Average 0-12" Incorp. 91 | 0.4 | 0.5 | 0.5 | 0.6 | 0.7 | 0.7 |
| Average 0-12" Surface 91 | 0.4 | 0.5 | 0.4 | 0.5 | 0.7 | 0.6 |