| MONTH | SiO2 | S | CL(-) | LOI | +45 µm | H2O | K2O | Na2O | pH | |
| Jan-05 | 95.4 | 0.10 | 0.09 | 2.0 | 2.6 | 0.7 | 0.66 | 0.13 | 7.1 | |
| Feb-05 | 95.3 | 0.12 | 0.12 | 2.0 | 3.2 | 0.6 | 0.81 | 0.14 | 6.9 | |
| Mar-05 | 95.4 | 0.13 | 0.13 | 2.0 | 2.4 | 0.6 | 0.84 | 0.15 | 6.9 | |
| Apr-05 | 95.8 | 0.11 | 0.11 | 1.7 | 2.2 | 1.1 | 0.70 | 0.14 | 6.9 | |
| May-05 | 96.1 | 0.10 | 0.05 | 1.6 | 2.0 | 0.7 | 0.60 | 0.11 | 7.5 | |
| Jun-05 | 96.2 | 0.08 | 0.03 | 1.5 | 1.6 | 0.7 | 0.51 | 0.11 | 7.1 | |
| Jul-05 | 96.1 | 0.09 | 0.02 | 1.6 | 1.8 | 0.7 | 0.57 | 0.10 | 7.5 | |
| Aug-05 | 95.7 | 0.09 | 0.02 | 1.6 | 1.3 | 0.8 | 0.57 | 0.11 | 7.5 | |
| Sep-05 | 95.9 | 0.11 | 0.05 | 1.7 | 1.9 | 1.0 | 0.64 | 0.11 | 7.6 | |
| Oct-05 | 96.0 | 0.11 | 0.06 | 1.6 | 1.6 | 1.0 | 0.66 | 0.12 | 7.6 | |
| Nov-05 | 95.9 | 0.11 | 0.04 | 1.5 | 2.2 | 0.9 | 0.73 | 0.13 | 7.6 | |
| Dec-05 | 95.9 | 0.11 | 0.04 | 1.4 | 1.9 | 0.8 | 0.63 | 0.11 | 7.8 | |
| AVG | 95.8 | 0.11 | 0.06 | 1.7 | 2.1 | 0.8 | 0.66 | 0.12 | 7.3 | |
| MIN | 95.3 | 0.08 | 0.02 | 1.4 | 1.3 | 0.6 | 0.51 | 0.10 | 6.9 | |
| MAX | 96.2 | 0.13 | 0.13 | 2.0 | 3.2 | 1.1 | 0.84 | 0.15 | 7.8 | |
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