| Salinity Hazard Class | SAR meq/mole | Remarks | Wet | Wetdry | Dry | Drywet | ||||
| No | % | No | % | No | % | No | % | |||
| S1 | <10 | Excellent | 18 | 100 | 18 | 100 | 18 | 100 | 18 | 100 |