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 Southall]
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Atmospheric Pollution Estimation
Month of Year | Sulphur Compounds by the Lead Peroxide Method, as Milligrams S03 per day per 100 sq. cm. | |||
---|---|---|---|---|
Recreation Ground | Railway Allotments | |||
1962 | 1963 | 1962 | 1963 | |
January | - | 4.89 | 3.27 | -* |
February | 212 | 4.33 | 2.33 | 4.67 |
March | 2.51 | 2.05 | 2.51 | 3.84 |
April | 1.25 | 2.12 | 1.28 | 2.58 |
May | 0.84 | 0.81 | 1.22 | 1.17 |
June | 0.86 | 0.56 | 1.13 | 1.10 |
July | 0.74 | 0.66 | 1.18 | 1.20 |
August | 0.47 | 0.55 | 0.99 | 0.85 |
September | 1.44 | 11.1 | 1.12 | 1.21 |
October | 1.95 | 1.21 | 2.36 | 2.02 |
November | 2.43 | 1.64 | 2.27 | 2.03 |
December | — | 3.15 | 3.48 | 2.65 |
Average for year | 1.46 | 1.92 | 1.93 | 2.12 |
*No reading because of damage to equipment.
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