JUN-13 JUN-14 JUN-15 JUN-16 JUN-17 JUN-18 JUN-19
Rossdale Zone (1)              
Total Hardness (mg/L as CaCO3) (2) 180 177 173 178 176 178 175
pH (pH) (3) 7.9 7.8 7.8 7.8 7.9 7.8 7.8
Temperature (°C) 17.6 17.3 16.8 17.6 19.4 20.3 20.3
Total Chlorine Residual (mg/L) (4) 2.21 2.22 2.22 2.22 2.09 2.04 2.05
Alkalinity (mg/L as CaCO3) (5) 114 112 104 106 112 111 112
Conductivity (µS/cm) (6) 398 394 393 397 399 396 392
Caustic Soda (mg/L) (7) 3.46 5.11 6.14 4.23 2.46 2.22 3.81