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)