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
City of Westminster 1950
[Report of the Medical Officer of Health for Westminster, City of]
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42
Atmospheric Pollution.
Investigation of atmospheric pollution in the City was continued
throughout the year at the Pimlico and Mayfair Stations, and an
additional deposit gauge was installed in the Charing Cross district at
Alhambra House.
The following tables give the results of the monthly analysis of the impurities collected in the deposit gauges.
| Analyses of Deposited Impurities (tons per square mile). | ||||||
|---|---|---|---|---|---|---|
| 1950. | Mayfair. | Pimlico. | Charing Cross. | |||
| Total Solids. | Sulphates. | Total Solids. | Sulphates. | Total Solids. | Sulphates. | |
| January | 24.64 | 3.03 | 34.07 | 3.82 | - | - |
| February | 24.07 | 2.62 | 30.12 | 3.90 | - | - |
| March | 19.84 | 1.84 | 19.38 | 1.75 | - | - |
| April | 35.47 | 2.80 | 31.16 | 3.22 | - | - |
| May | 22.40 | 2.44 | 19.46 | 2.49 | - | - |
| June | 14.90 | 1.70 | 22.34 | 2.77 | 21.56 | 2.16 |
| July | 17.56 | 2.37 | 21.95 | 3.40 | - | - |
| August | 16.47 | 1.50 | 22.34 | 1.79 | 20.00 | 1.81 |
| September | 14.87 | 1.74 | 21.97 | 2.05 | 21.67 | 2.44 |
| October | 19.30 | 2.21 | 20.80 | 2.60 | 22.47 | 2.69 |
| November | 46.51 | 5.45 | 45.72 | 5.59 | 55.03 | 5.74 |
| December | 20.94 | 2.15 | 28.16 | 2.74 | 40.59 | 3.22 |
Estimation of Sulphur Activity by the Lead Peroxide
Method.
The lead peroxide cylinders for the estimation of sulphur activity
are sited at Farm Street Depot, Mayfair, Bessborough Street Clinic,
Pimlico and Alhambra House, Charing Cross Road. The following
tables indicate the daily absorption of sulphur clue to active sulphurous
gases in the atmosphere.