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 | |||
| 1963 | 1964 | 1963 | 1964 | |
| January | 4.89 | 3.18 | - | 3.17 |
| February | 4.33 | 2.82 | 4.67 | 3.38 |
| March | 2.05 | - | 3.84 | - |
| April | 2.12 | 1.15 | 2.58 | 1.82 |
| May | 0.81 | 0.86 | 1.17 | 1.34 |
| June | 0.56 | 0.69 | 1.10 | 0.88 |
| July | 0.66 | 0.60 | 1.20 | 0.73 |
| August | 0.55 | 0.77 | 0.85 | 0.84 |
| September | 111 | 1.48 | 1.21 | 0.90 |
| October | 1.21 | 1.99 | 2.02 | 1.78 |
| November | 1.64 | 2.03 | 2.03 | 2.07 |
| December | 3.15 | 2.81 | 2.65 | 2.47 |
| Average for year | 1.92 | 1.67 | 2.12 | 1.76 |
*No reading because of damage to equipment.
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