Salinity hazard class | Specific conductance (µS/cm) | Samples |
Low | 0 - 250 | 8 (CTd, IT1d, IT2c, IT2d, IT3a, IT3b, IT3c and IT3d) |
Medium | 250 - 750 | 4 (IT1a, IT1b, IT1c and IT2a) |
High | 70 - 2250 | 4 (CTb, CTc, IT2b and SWa) |
Very high | >2250 | 3 (CTa, SWb, SWc) |