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
Bexley 1956
[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 1956.
| 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 SPECIMEN BROKEN IN TRANSIT | ||||||||||
| February | 0.10 | 7.22 | 0.15 | 5.40 | 1.67 | 4.73 | 0.70 | 0.74 | 1.74 | 11.95 |
| March | 0.87 | 12.23 | 0.10 | 9.72 | 2.41 | 11.71 | 2.48 | 0.82. | 4.88 | 23.94 |
| April | 1.40 | 14.21 | 0.13 | 11.28 | 2.81 | 9.98 | 1.92 | 0.84 | 4.13 | 24.20 |
| May | 0.65 | 8.44 | 0.03 | 5.98 | 2.42 | 5.13 | 1.04 | 0.49 | 2.06 | 13.57 |
| June | 2.51 | 6.93 | 0.13 | 4.91 | 1.89 | 5.64 | 0.54 | 0.64 | 1.91 | 12.56 |
| July | 3.91 | 6.80 | 0.09 | 4.65 | 2.06 | 6.85 | 1.34 | 0.81 | 2.98 | 13.65 |
| August | 5.16 | 7.92 | 0.13 | 5.96 | 1.83 | 8.86 | 1.48 | 1.14 | 3.21 | 16.78 |
| September | 2.08 | 6.54 | 0.14 | 4.77 | 1.64 | 8.32 | 2.01 | 0.67 | 3.62 | 14.87 |
| October | 1.02 | 6.24 | 0.10 | 4.32 | 1.81 | 6.68 | 1.01 | 0.67 | 2.82 | 12.91 |
| November | 0.60 | 7.79 | 0.02 | 5.06 | 2.70 | 6.31 | 0.87 | 0.86 | 2.53 | 14.10 |
| December | 2.17 | 10.42 | 0.11 | 7.13 | 3.71 | 8.12 | 0.81 | 1.11 | 2.71 | 18.54 |
A Lead Peroxide instrument for estimating atmospheric sulphur-dioxide was installed on the 1st July, 1956, and the results for the year are set out below.—
| MONTH | Area Exposed | Weight of Ba SO4 | Wt. of SO4Collected | Mg. of S03/day Collected by 100 sq cm. of Batch A Pb O2 (Louvered Cover) | ||
|---|---|---|---|---|---|---|
| In Sample | In Control | Due to Exposure | ||||
| Sq. Cm. | Mg. | Mg | Mg. | Mg /100 sq. Cm./day | ||
| January | 100 | 228.0 | 4.4 | 223.6 | 2.56 | 2.30 |
| February | 100 | 282.4 | 3.4 | 279.0 | 3.30 | 2.97 |
| March | 100 | 238.4 | 4.0 | 234.4 | 2.44 | 2.20 |
| April | 100 | 181.6 | 7.4 | 174.2 | 2.13 | 1.92 |
| May | 95 | 118.8 | 4.0 | 114.8 | 1.34 | 1.21 |
| June | 100 | 103.6 | 2.6 | 101.0 | 1.12 | 1.01 |
| July | 95 | 80.0 | 2.0 | 78.0 | 0.94 | 0.85 |
| August | 100 | 68.0 | 1.0 | 67.0 | 0.70 | 0.63 |
| September | 95 | 94.0 | 1.2 | 92.8 | 1.20 | 1.08 |
| October | 100 | 174.8 | 2.2 | 172.6 | 1.91 | 1.72 |
| November | 99.75 | 316.0 | 2.4 | 313.6 | 3.37 | 3.03 |
| December | 95 | 176.0 | 1.5 | 174.5 | 2.17 | 1.95 |