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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| CONSTITUENTS | JULY | AUGUST | SEPTEMBER | OCTOBER | NOVEMBER | DECEMBER | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WATER | 31.5 MM. RAIN GRAMS PER 100 SQ. METRES | 1.24 IN. RAIN TONS [ER SQUARE MILE | 68.2 MM. RAIN GRAMS PER 100 SQ. METRES | 2.69 IN. RAIN TONS PER SQUARE MILE | 37.1 MM. RAIN GRAMS PER 100 SQ. METRES | 1.46 IN. RAIN TONS PER SQUARE MILE | 35.9 MM RAIN GRAMS PER 100 SQ. METRES | 1.42 IN. RAIN TONS PER SQUARE MILE | 90.5 MM RAIN GRAMS PER 100 SQ. METRES | 3.57 IN RAIN TONS PER SQUARE MILE | 14.6 MM RAIN GRAMS PER 100 SQ. METRES | 0.58 IN. RAIN TONS PER SQUARE MILE |
| TOTAL WATER: | ||||||||||||
| INSOLUABLE MATTER | 346 | 8.81 | 387 | 9.86 | 371 | 9.47 | 460 | 11.74 | 710 | 18.11 | 442 | 11.28 |
| ASH | 236 | 6.03 | 274 | 6.98 | 252 | 6.44 | 293 | 7.48 | 503 | 12.82 | 173 | 4.42 |
| TOTAL WATER: | ||||||||||||
| SOLUBLE MATTER | 146 | 3.72 | 285 | 7.27 | 291 | 7.43 | 277 | 7.07 | 393 | 10.03 | 168 | 4.27 |
| SO4 | 43 | 1.09 | 33 | 0.83 | 139 | 3.54 | 113 | 2.88 | 160 | 4.09 | 96 | 2.44 |
| TOTAL SOLIDS | 492 | 12.53 | 672 | 17.13 | 662 | 16.90 | 737 | 18.81 | 1103 | 28.14 | 610 | 15.55 |
| Wt. of Fl9 SQ3 collected estimated on mg/100 sq. cm/ day (P8O2 cylinder) | 1.51 | 1.22 | STAND BLOWN OVER SAMPLE LOST | 2.70 | 3.09 | 3.76 | ||||||