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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
Bexley 1955
[Report of the Medical Officer of Health for Bexley]
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ATMOSPHERIC POLLUTION.
The Council is represented on the Thameside Advisory Committee for the Abatement of Atmospheric Pollution. By arrangement with this Committee a deposit gauge is installed on the roof of the Education Office in Brampton Road, Bexleyheath, and the following table gives the results obtained during 1955.
| MONTH | TONS PER SQUARE MILE. | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Rainfall inches | Total water insoluble matter | Soluble in C.S.2. | Ash | Other combustible matter | Total water soluble matter | Calcium | Chlorine | Sulphates | Total solids | |
| January | 2.38 | 12.27 | 0.34 | 8.54 | 3.40 | 11.68 | 1.81 | 1.17 | 4.51 | 23.95 |
| February | 1.24 | 8.93 | 0.23 | 6.38 | 2.32 | 8.56 | 1.44 | 1.07 | 3.39 | 17.48 |
| March | 0.90 | 8.73 | 0.17 | 6.90 | 1.66 | 7.30 | 1.11 | 0.81 | 2.39 | 16.02 |
| April | 0.65 | 10.26 | 0.23 | 7.83 | 2.20 | 6.18 | 1.14 | 0.49 | 2.30 | 16.43 |
| May | 3.82 | 9.25 | 0.23 | 7.06 | 1.95 | 9.06 | 1.21 | 0.91 | 3.36 | 18.31 |
| June | 2.10 | 10.02 | 0.17 | 7.77 | 2.07 | 10.57 | 1.68 | 0.84 | 3.25 | 20.59 |
| July | 0.026 | 14.32 | 0.12 | 10.49 | 3.71 | 8.69 | 1.58 | 0.54 | 2.96 | 23.02 |
| August | 0.81 | 18.04 | 0.07 | 9.46 | 8.51 | 9.06 | 1.75 | 0.62 | 3.89 | 27.10 |
| September | 2.46 | 6.83 | 0.15 | 4.68 | 1.99 | 5.44 | 0.67 | 0.67 | 1.05 | 12.27 |
| October | 3.21 | 9.90 | 0.10 | 6.52 | 3.28 | 11.14 | 0.94 | 1.34 | 3.54 | 21.04 |
| November | 0.48 | 6.98 | 0.11 | 5.15 | 1.71 | 5.44 | 0.87 | 0.52 | 2.47 | 12.42 |
| December | 1.75 | 6.98 | 0.05 | 5.03 | 1.89 | 7.58 | 1.14 | 1.01 | 3.15 | 14.57 |
A Lead Peroxide instrument for estimating atmospheric sulphur-dioxide was installed on the 1st July, 1956, and the results obtained to the end of the year are set out below:—
| MONTH | Area Exposed | Weight of Ba SO4 | Wt. of SO3 Collected | Mg. of S03/day Collected by 100 sq. cm. of Batch A P6 O2 (Louvered Cover) | ||
|---|---|---|---|---|---|---|
| In Sample | In Control | Due to Exposure | ||||
| Sq. Cm. | Mg. | Mg. | Mg. | Mg./100 sq. Cm./day | ||
| July | 100 | 99.6 | 3.6 | 96.0 | 1.03 | 0.93 |
| August | 100 | 112.0 | 6.4 | 105.6 | 1.21 | 1.09 |
| September | 100 | 109.2 | 6.8 | 102.4 | 1.10 | 0.99 |
| October | 95 | 190.0 | 4.6 | 185.4 | 2.31 | 2.08 |
| November | 95 | 197.6 | 5.2 | 192.4 | 2.32 | 2.09 |
| December | 100 | 191.2 | 3.2 | 188.0 | 2.02 | 1.82 |