JUN-05 JUN-06 JUN-07 JUN-08 JUN-09 JUN-10 JUN-11
Rossdale Zone (1)              
Total Hardness (mg/L as CaCO3) (2) 186 183 172 173 173 166 170
pH (pH) (3) 7.7 7.7 8.0 7.8 7.8 7.8 7.7
Temperature (°C) 11.8 12.7 14.2 14.6 14.4 14.2 14.2
Total Chlorine Residual (mg/L) (4) 2.15 2.21 2.21 2.21 2.21 2.21 2.21
Alkalinity (mg/L as CaCO3) (5) 125 104 107 107 104 104 102
Conductivity (µS/cm) (6) 446 470 445 427 419 407 412
Caustic Soda (mg/L) (7) 24.5 26.2 19.1 15.8 15.6 16.1 22.0