MAY-08 MAY-09 MAY-10 MAY-11 MAY-12 MAY-13 MAY-14
Rossdale Zone (1)              
Total Hardness (mg/L as CaCO3) (2) 172 167 168 176 170 171 169
pH (pH) (3) 7.7 7.8 7.8 7.7 7.8 7.8 7.8
Temperature (°C) 13.0 13.6 14.2 14.4 14.3 14.5 14.2
Total Chlorine Residual (mg/L) (4) 2.02 1.94 1.94 1.94 1.97 2.08 2.18
Alkalinity (mg/L as CaCO3) (5) 121 113 114 121 116 114 109
Conductivity (µS/cm) (6) 380 379 378 386 380 379 372
Caustic Soda (mg/L) (7) 4.76 4.93 4.93 5.31 4.66 3.95 3.30