APR-18 APR-19 APR-20 APR-21 APR-22 APR-23 APR-24
Rossdale Zone (1)              
Total Hardness (mg/L as CaCO3) (2) 150 154 157 162 165 162 --
pH (pH) (3) 7.8 7.9 7.9 7.9 7.9 7.8 7.8
Temperature (°C) 1.1 1.0 1.3 1.6 1.4 2.2 1.7
Total Chlorine Residual (mg/L) (4) 1.96 2.03 2.11 2.06 2.08 2.02 2.08
Alkalinity (mg/L as CaCO3) (5) 103 104 103 107 107 108 104
Conductivity (µS/cm) (6) 342 346 347 351 356 356 358
Caustic Soda (mg/L) (7) 5.48 5.16 5.21 5.28 4.21 5.90 10.0