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
Carshalton 1959
[Report of the Medical Officer of Health for Carshalton]
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Smoke and Atmospheric Sulphur Dioxide
| Month | Smoke (Milligrams per 100 cubic metres) | S.O,2. (Parts per 100 million) | ||||
|---|---|---|---|---|---|---|
| Highest Daily Reading | Lowest Daily Reading | Average Daily Reading | Highest Daily Reading | Lowest Daily Reading | Average Daily Reading | |
| January | 51.25 | 2.16 | 14.21 | 39.5 | 1.7 | 9.9 |
| February | 47.95 | 4.26 | 12.54 | 24.6 | 2.6 | 8.7 |
| March | 14.73 | 1.12 | 6.13 | 9.7 | 1.7 | 4.5 |
| April | 10.16 | 1.04 | 4.48 | 9.1 | 1.0 | 3.0 |
| May | 6.49 | 1.06 | 2.91 | 8.9 | 1.5 | 3.7 |
| June | 5.35 | 0.21 | 1.67 | 4.9 | 0.2 | 1.9 |
| July | 3.35 | 0.11 | 1.29 | 3.3 | 0.2 | 1.4 |
| August | 3.56 | 0.11 | 1.80 | 3.6 | 0.2 | 1.9 |
| September | 9.90 | 0.87 | 3.07 | 12.3 | 1.8 | 4.8 |
| October | 17.77 | 0.92 | 5.29 | 6.6 | 0.7 | 2.4 |
| November | 58.27 | 2.00 | 13.58 | 27.8 | 1.3 | 6.0 |
| December | 31.00 | 2.00 | 7.00 | 15.8 | 1.2 | 3.1 |
| Whole year | 58.27 | 0.11 | 6.12 | 39.5 | 0.2 | 4.2 |
Twenty-eight complaints were received and dealt with during the year.
Prevention of Damage by Pests Act, 1949
Five thousand nine hundred and eleven visits were made by the Rodent
Operatives to 868 properties and 291 rat and mouse infestations were found.
Of that number 258 were in private premises, 28 in business premises, 5 in
Council premises.
With regard to sewers, one maintenance treatment was carried out in May. The results are shown in the following table, together with those for the three previous years:—
| May Treatment | November Treatment | |||||||
|---|---|---|---|---|---|---|---|---|
| 1956 | 1957 | 1958 | 1959 | 1956 | 1957 | 1958 | 1959 | |
| Manholes baited | 188 | 194 | 198 | 188 | 191 | 199 | 190 | - |
| Manholes in which takes of prebait were recorded | 67 | 62 | 80 | 7 | 75 | 83 | 51 | - |
| Percentage of manholes showing infestations | 35.6 | 33.0 | 40.4 | 3.7 | 39.3 | 42.7 | 26.8 | - |
| Percentage in relation to total manholes in district | 5.9 | 5.7 | 7.1 | 0.6 | 6.6 | 7.5 | 4.5 | - |
The usual November treatment of sewers was ommitted owing to
pressure of other work.
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