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 1955
[Report of the Medical Officer of Health for Westminster, City of]
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cylinders, which measure the sulphur activity, are sited. The following tables give the results of the monthly analyses, and show separately the amounts of insoluble and soluble constituents.
| Month. | Monthly deposits of impurities—tons per square mile. | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Mayfair. | Pimlico. | Charing Cross. | |||||||
| Insol. | Sol. | Total. | Insol. | Sol. | Total. | Insol. | Sol. | Total. | |
| January | 24.04 | 20.66 | 44.70 | 122.79 | 24.77 | 147.56 | 21.67 | 16.50 | 38.17 |
| February | 19.54 | 11.87 | 31.41 | 14.83 | 17.69 | 32.52 | 18.69 | 9.99 | 28.68 |
| March | 21.07 | 14.08 | 35.15 | 17.08 | 13.59 | 30.67 | 20.18 | 10.69 | 30.87 |
| April | 10.60 | 6.24 | 16.84 | 11.24 | 5.77 | 17.01 | 16.26 | 8.23 | 24.49 |
| May | 13.40 | 38.36 | 51.76 | 22.85 | 54.70 | 77.55 | 98.44 | 31.93 | 130.37 |
| June | 14.49 | 24.55 | 39.04 | 15.17 | 35.57 | 50.74 | 16.89 | 20.38 | 37.27 |
| July | 6.14 | 3.61 | 9.75 | 6.04 | 4.69 | 10.73 | 6.14 | 3.92 | 10.06 |
| August | 14.25 | 8.80 | 23.05 | 17.28 | 13.63 | 30.91 | 14.44 | 11.08 | 25.52 |
| September | 9.38 | 8.83 | 18.21 | 11.68 | 11.31 | 22.99 | 9.39 | 9.42 | 18.81 |
| October | 11.93 | 24.65 | 36.58 | 14.87 | 22.05 | 36.92 | 17.92 | 17.79 | 35.71 |
| November | 11.39 | 7.50 | 18.89 | 10.94 | 8.19 | 19.13 | 12.11 | 8.76 | 20.87 |
| December | 15.41 | 17.25 | 32.66 | 20.57 | 14.50 | 35.07 | 21.24 | 12.25 | 33.49 |
Estimation of Sulphur Activity by the Lead Peroxide
Method.
The cylinders for the estimation of sulphur activity are situated at
Alhambra House, Farm Street Depot and Bessborough Street Clinic.
liie following tables gives the degree oi sulphation expressed in milligrams of sulphur trioxide per 100 sq. cms. per day.
| Month. | SO3 in milligrams per 100 sq. cms. per day. | |||
|---|---|---|---|---|
| Mayfair. | Pimlico. | Charing Cross. | ||
| January | 5.63 | 6.67 | 6.06 | |
| February | 5.30 | 6.66 | 6.71 | |
| March | 5.40 | 5.70 | 5.07 | |
| April | 3.46 | 4.16 | 3.37 | |
| May | 2.90 | 5.27 | 2.90 | |
| June | 2.67 | 3.89 | 3.12 | |
| July | 2.02 | 2.45 | 2.20 | |
| August | 1.98 | 2.91 | 2.28 | |
| September | 1.59 | 2.70 | 2.24 | |
| October | 3.34 | 4.68 | 5.07 | |
| November | 4.53 | 4.93 | 4.89 | |
| December | 5.19 . | 5.21 | 5.71 | |