JUL-01 JUL-02 JUL-03 JUL-04 JUL-05 JUL-06 JUL-07
Rossdale Zone (1)              
Total Hardness (mg/L as CaCO3) (2) 174 171 172 170 174 175 --
pH (pH) (3) 7.8 7.8 7.9 7.8 7.8 7.9 --
Temperature (°C) 20.3 21.3 22.2 21.1 19.7 20.0 --
Total Chlorine Residual (mg/L) (4) 2.05 2.08 2.11 2.15 2.16 2.13 --
Alkalinity (mg/L as CaCO3) (5) 110 110 113 112 108 108 --
Conductivity (µS/cm) (6) 394 393 392 387 380 379 --
Caustic Soda (mg/L) (7) 6.34 6.14 5.04 4.81 3.63 2.23 --