Table: County Primary Roman Catholic School, Sidcup.Monthly deposit in tons per square mile during 1958.
County Primary Roman Catholic School, Sidcup.
Monthly deposit in tons per square mile during 1958.
| Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. |
|---|
| Water (in rain in inches) | 1.46 | 1.75 | 1.01 | 1.46 | 1.59 | 4.31 | 1.59 | 4.95 | 5.12 | 3.98 | 0.44 | 2.56 |
| pH Value | 4.94 | 5.28 | 5.47 | 5.70 | 7.42 | 6.06 | 6.27 | 5.33 | 6.42 | 4.92 | 4.98 | 4.79 |
| Total water in soluble matter | 6.08 | 6.29 | 8.70 | 6.40 | 5.25 | 5.13 | 5.27 | 4.00 | 4.99 | 4.79 | 5.39 | 5.97 |
| Soluble in CS2 | 0.13 | 0.15 | 0.10 | 0.06 | 0.08 | 0.10 | 0.07 | 0.07 | 0.06 | 0.09 | 0.10 | 1.13 |
| Ash | 4.44 | 4.52 | 6.83 | 4.77 | 3.97 | 3.60 | 3.68 | 2.68 | 3.79 | 3.28 | 3.81 | 4.21 |
| Other combustible matter | 1.50 | 1.61 | 1.76 | 1.58 | 1.20 | 1.44 | 1.52 | 1.24 | 1.14 | 1.43 | 1.48 | 1.63 |
| Total water soluble matter | 5.81 | 5.97 | 6.61 | 4.56 | 4.53 | 5.50 | 4.63 | 4.77 | 7.65 | 6.04 | 5.03 | 5.64 |
| Ca + + | 0.67 | 0.67 | 1.11 | 0.67 | 0.94 | 0.94 | 0.74 | 0.81 | 1.48 | 1.07 | 0.84 | 0.67 |
| CI' | 1.04 | 1.11 | 0.94 | 0.60 | 0.50 | 0.74 | 0.40 | 0.60 | 0.74 | 1.14 | 0.64 | 1.07 |
| SO'' | 2.03 | 2.09 | 2.60 | 1.88 | 1.42 | 3.24 | 1.56 | 2.88 | 3.35 | 2.30 | 2.19 | 2.02 |
| Total solids | 11.89 | 12.26 | 15.31 | 10.97 | 9.78 | 10.63 | 9.90 | 8.76 | 12.64 | 10.83 | 10.42 | 11.61 |
| Sulphur dioxide (milligrams of sulphur trioxide collected per day by 100 sq. cms. of Batch A lead peroxide) | 3.07 | 2.52 | 3.38 | 1.98 | 0.75 | 0.99 | 0.87 | 0.64 | 1.13 | 1.74 | 3.04 | 2.77 |
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