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 Stoke Newington, The Metropolitan Borough]
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ATMOSPHERIC POLLUTION-TABLE 1 DEPOSIT GAUGE
Month | Rainfall in Inches | Tons per Square Mile | ||
---|---|---|---|---|
Soluble Matter. | Insoluble Matter. | Total Solids | ||
January | 1.30 | 6.31 | 9.94 | 16.25 |
February | 2.80 | 5.42 | 10.50 | 15.92 |
March | 0.87 | 6.74 | 13.37 | 20.11 |
April | 0.08 | 3.40 | 21.10 | 24.50 |
May | 1.10 | 3.63 | 8.19 | 11.82 |
June | 0.12 | 3.43 | 5.52 | 8.95 |
July | 3.55 | 6.31 | 7.30 | 13.61 |
August | 1.58 | 5.15 | 1.12 | 6.27 |
September | 2.24 | 4.39 | 10.63 | 15.02 |
October | 1.65 | 5.35 | 6.08 | 11.43 |
November | 1.93 | 4.36 | 4.36 | 8.72 |
December | 1.42 | 9.08 | 8.52 | 17.60 |
LEAD PEROXIDE APPARATUS-TABLE 2
Month | Mg. of SO3/day collected by 100 sq.cm. of Batch A Pbo2. (louvered cover) |
---|---|
January | 2.9 |
February | 3.6 |
March | 3.0 |
April | 1.9 |
May | 1.1 |
June | 0.9 |
July | 0.8 |
August | 0.7 |
September | 1.1 |
October | 2.1 |
November | 3.6 |
December | 5.1 |
DAILY SMOKE FILTER-TABLE 3 (Smoke in milligrammes/100 cubic metres)
Month | Average Reading | Highest Reading | Lowest Reading |
---|---|---|---|
January | 32.1 | 87.7 | 9.4 |
February | 52.7 | 124.6 | 4.9 |
March | 41.7 | 90.9 | 11.1 |
April | 22.3 | 61.9 | 2.4 |
May | 15.2 | 39.8 | 4.7 |
June | 13.5 | 29.3 | 2.3 |
July | 12.4 | 21.0 | 5.0 |
August | 13.4 | 38.5 | 2.4 |
September | 23.3 | 42.0 | 5.1 |
October | 37.6 | 122.2 | 16.3 |
November | 33.6 | 70.1 | 17.1 |
December | 69.3 | 251.6 | 21.6 |