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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ATMOSPHERIC POLLUTION RECORDING TABLE
| CONSTITUENTS | JANUARY | FEBRUARY | MARCH | APRIL | MAY | JUNE | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WATER | 12.77 MM. RAIN GRAMS PER 100 SQ. METRES | 0.50 IN. RAIN TONS PER SQUARE MILE | 8.69 MM. RAIN GRAMS PER 100 SQ. METRES | 0.34 IN. RAIN TONS PER SQUARE MILE | 41.2 MM. RAIN GRAMS PER 100 SQ. METRES | 1.62 IN. RAIN TONS PER SQUARE MILE | 42.2 MM. RAIN GRAMS PER 100 SQ. METRES | 1.66 IN. RAIN TONS PER SQUARE MILE | 40.0 MM. RAIN GRAMS PER 100 SQ. METRES | 1.58 IN. RAIN TONS PER SQUARE MILE | 52.4 MM RAIN GRAMS PER 100 SQ. METRES | 2.07 IN. RAIN TONS PER SQUARE MILE |
| TOTAL WATER- | ||||||||||||
| INSOLUBLE MATTER | 365 | 9.31 | 604 | 15.39 | 1422 | 36.27 | 789 | 20.13 | 443 | 11.30 | 541 | 13.80 |
| ASH | 192 | 4.89 | 399 | 10.16 | 1172 | 29.89 | 644 | 16.41 | 322 | 8.21 | 407 | 10.37 |
| TOTAL WATER- | ||||||||||||
| SOLUBLE MATTER | 399 | 10.17 | 219 | 5.59 | 389 | 9.92 | 294 | 7.50 | 126 | 3.21 | 270 | 6.89 |
| SO4 | 118 | 3.00 | 95 | 2.43 | 171 | 4.36 | 101 | 2.59 | 72 | 1.84 | 112 | 2.86 |
| TOTAL SOLIDS | 764 | 19.48 | 823 | 20.98 | 1811 | 46.19 | 1083 | 27.63 | 569 | 14.51 | 811 | 20.69 |
| Wt.OF Fl9 SO3 COLLECTED ESTIMATED ON MG/100 Sq.CM/ DAY (P8O2 CYLINDER) | 5.39 | 4.49 | 2.30 | 2.14 | 1.30 | 1.47 | ||||||