| Remarks | Wet | Wetdry | Dry | Drywet | ||||
Index | Quality | No | % | No | % | No | % | No | % |
0 - 25 | Excellent | 18 | 100 | 11 | 61.11 | 12 | 66.67 | 18 | 100 |
26 - 50 | Good | 0 | 0 | 6 | 33.33 | 3 | 16.67 | 0 | 0 |
51 - 75 | Poor | 0 | 0 | 0 | 0 | 1 | 5.56 | 0 | 0 |
76 - 100 | Very poor | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
>100 | Unsuitable | 0 | 0 | 1 | 5.56 | 2 | 11.11 | 0 | 0 |