Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Poplar, Metropolitan Borough]
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TABLE VII (Contd)
Constituents | JULY | AUGUST | SEPTEMBER | OCTOBER | NOVEMBER | DECEMBER | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
WATER | 56.46 mm. rain Grams per 100 sq. metres | 2.22 in. rain Tons per square mile | 62.90 mm. rain Grams per 100 sq. metres | 2.48 in. rain Tons per square mile | 119.6 mm. rain Grams per 100 sq. metres | 4.71 in. rain Tons per square mile | 117.28 mm. rain Grams per 100 sq. metres | 4.62 in. rain Tons per square mile | 77.64 mm. rain Grams per 100 sq. metres | 3.06 in. rain Tons per square mile | 59.38 mm. rain Grams per 100 sq. metres | 2.34 in. rain Tons per square mile |
TOTAL WATER -INSOLUBLE MATTER . | 374 | 9.53 | 541 | 13.79 | 605 | 15.44 | 772 | 19.70 | 641 | 16.34 | 690 | 17.59 |
Soluble in CS2 | 8 | 0.20 | 11 | 0.27 | 5 | 0.13 | 7 | 0.17 | 8 | 0.20 | 7 | 0.17 |
Ash | 287 | 7.32 | 441 | 11.24 | 471 | 12.01 | 637 | 16.24 | 547 | 13.96 | 553 | 14.10 |
Other combustible matter | 79 | 2.01 | 89 | 2.28 | 129 | 3.29 | 129 | 3.29 | 86 | 2.18 | 130 | 3.32 |
TOTAL WATER -SOLUBLE MATTER | 203 | 5.17 | 253 | 6.44 | 418 | 10.67 | 704 | 17.95 | 545 | 13.89 | 357 | 9.09 |
Ca++ | 28 | 0.70 | 45 | 1.14 | 66 | 1.68 | 136 | 3.46 | 36 | 0.91 | 50 | 1.27 |
Cl' | 26 | 0.67 | 25 | 0.64 | 38 | 0.97 | 62 | 1.58 | 55 | 1.41 | 57 | 1.44 |
SO"4 | 74 | 1.88 | 101 | 2.58 | 179 | 4.56 | 205 | 5.24 | 125 | 3.19 | 143 | 3.66 |
TOTAL SOLIDS | 577 | 14.70 | 794 | 20.23 | 1023 | 26.11 | 1476 | 37.65 | 1186 | 30.23 | 1047 | 26.68 |
Wt. of S03 collected estimated on mg./100 Sq. cm. /day. (Pb02 cylinder) | 1.66 | 2.99 | 4. 32 | 4. 00 | 4. 11 |