JUN-29 JUN-30 JUL-01 JUL-02 JUL-03 JUL-04 JUL-05
Rossdale Zone (1)              
Total Hardness (mg/L as CaCO3) (2) 169 170 174 171 172 170 174
pH (pH) (3) 7.8 7.8 7.8 7.8 7.9 7.8 7.8
Temperature (°C) 19.2 19.7 20.3 21.3 22.2 21.1 19.7
Total Chlorine Residual (mg/L) (4) 2.15 2.14 2.05 2.08 2.11 2.15 2.16
Alkalinity (mg/L as CaCO3) (5) 107 110 110 110 113 112 108
Conductivity (µS/cm) (6) 403 396 394 393 392 387 380
Caustic Soda (mg/L) (7) 9.28 7.72 6.34 6.14 5.04 4.81 3.63