Hazard Class | EC (µS/cm) | Quality | No of Samples | % |
C0 | 0 - 100 | Excellent | 5 | 21.74 |
C1 | 101 - 250 | Very Good | 5 | 21.74 |
C2 | 251 - 750 | Good | 13 | 56.52 |