APR-20 APR-21 APR-22 APR-23 APR-24 APR-25 APR-26
Rossdale Zone (1)              
Total Hardness (mg/L as CaCO3) (2) 157 162 165 162 159 164 --
pH (pH) (3) 7.9 7.9 7.9 7.8 7.8 7.8 7.9
Temperature (°C) 1.3 1.6 1.4 2.2 1.7 2.4 5.0
Total Chlorine Residual (mg/L) (4) 2.11 2.06 2.08 2.02 2.08 2.04 2.09
Alkalinity (mg/L as CaCO3) (5) 103 107 107 108 104 105 108
Conductivity (µS/cm) (6) 347 351 356 356 358 373 370
Caustic Soda (mg/L) (7) 5.21 5.28 4.21 5.90 10.0 8.45 3.35