APR-17 APR-18 APR-19 APR-20 APR-21 APR-22 APR-23
Rossdale Zone (1)              
Total Hardness (mg/L as CaCO3) (2) 150 146 153 157 160 157 157
pH (pH) (3) 7.7 7.7 7.7 7.7 7.7 7.7 7.7
Temperature (°C) 0.4 0.5 0.5 0.8 1.3 1.3 1.1
Total Chlorine Residual (mg/L) (4) 2.03 2.02 2.03 2.05 2.04 1.98 1.96
Alkalinity (mg/L as CaCO3) (5) 151 101 100 102 104 102 95
Conductivity (µS/cm) (6) 380 378 369 373 381 380 385
Caustic Soda (mg/L) (7) 15.7 14.3 13.8 12.9 14.0 16.8 13.3