London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Hackney 1955
[Report of the Medical Officer of Health for Hackney]
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Table I: Monthly Deposit Recorded by the Deposit Gauge, and Sulphur Dioxide by the Lead Peroxide Method, at
Atmospheric Pollution Recording Stations
| Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| * Rain | 52 | 28 | 20 | 14 | 85 | 51 | 4 | 21 | 46 | 64 | 10 | 41 |
| / Insoluble Deposit | 15.54 | 5.19 | 13.21 | 11.6 | 11.0 | 8.7 | 6.0 | 9.7 | 7.5 | 7.6 | 9.1 | 12.1 |
| / Soluble Deposit | 12.31 | 5.66 | 7.57 | 4. 6 | 8.3 | 6.0 | 3.2 | 4.7 | 5,0 | 7.1 | 5.4 | 7.7 |
| / Total Solids | 27.85 | 10.85 | 20.78 | 16.2 | 19.3 | 14.7 | 9.2 | 14.4 | 12.5 | 14.7 | 14.5 | 19.8 |
| 5.89 | 4.69 | 3.3 | 2.7 | 2.3 | 1.8 | 1.2 | 1. 8 | 2.3 | 3.9 | 5.1 | 3.6 | |
| * Rain | 38 | 29 | 19 | 19 | 83 | 47 | 4 | 21 | 45 | 57 | 13 | 39 |
| / Insoluble Deposit | 11.70 | 4.82 | 11.44 | 8.5 | 9.0 | 6.6 | 11.7 | 7.9 | 6.0 | 5.4 | 8.4 | 9.4 |
| / Soluble Deposit | 9.05 | 5.86 | 6.94 | 3.9 | 6.9 | 4.8 | 2.9 | 3.8 | 3.8 | 6.5 | 5.8 | 7.3 |
| / Total Solids | 20,75 | 10.68 | 18.38 | 12.4 | 15.9 | 11.4 | 14.6 | 11.7 | 9.8 | 11.9 | 14 2 | 16.7 |
| 4. 73 | 3.02 | 3.3 | 1. 9 | 1.2 | 1.0 | 0. 6 | 1.0 | 10 | 2. 8 | 3.2 | 3.6 | |
| * Rain | 66 | 34 | 24 | 22 | 100 | 55 | 10 | 27 | 54 | 72 | 14 | 46 |
| / Insoluble Deposit | 16.13 | 12.05 | 11.65 | 11.8 | 9.6 | 8.6 | 13.8 | 11. 2 | 10.5 | 9.0 | 10.9 | 11.9 |
| / Soluble Deposit | 10.59 | 6.43 | 6.31 | 4.7 | 7.2 | 5.7 | 4.1 | 4, 8 | 7.3 | 7.1 | 6.8 | 6.2 |
| / Total Solids | 26.72 | 18.48 | 17.96 | 16.5 | 16.8 | 14.3 | 17.9 | 16,0 | 17.8 | 16.1 | 17.7 | 18.1 |
| 2.71 | 2.59 | 1.7 | 1.5 | 1.2 | 1.0 | 1.6 | 0. 8 | 1.0 | 1.6 | 1.9 | 2.4 |
* Rainfall in millimetres per month.
/ Insoluble deposits soluble deposits and total solids are expressed as rate of deposition in tons per square mile per month
b The amounts of sulphur dioxide are expressed as "milligrams of sulphur trioxide fixed per day per 100 square centimetres of Batch
'A: standard lead peroxide."