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
Erith 1958
[Report of the Medical Officer of Health for Erith]
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31
D (5)e Atmospheric Pollution
Results of Analysis
Atmospheric Pollution. In this connection a deposit gauge and a lead peroxide gauge is in position at the ground of the Royal Alfred Institution, and the analysis of the contents of these gauges for 1958 is as follows:—
| Month | Rain in inches | Insoluble deposit Tons per sq. mile | Soluble deposit Tons per sq mile | Total Solids Tons per sq mile | Calcium Tons per sq. mile | Load peroxide gauge Sulphur mg/l00 sq ems/day |
|---|---|---|---|---|---|---|
| January | 1.16 | 10.34 | 6.95 | 17.29 | 1.07 | 3.04 |
| February | 1.76 | 8.37 | 5.84 | 14.21 | 0.87 | 2.39 |
| March | 1.02 | 9.71 | 7.45 | 17.16 | 1.24 | 2.12 |
| April | 1.61 | 9.58 | 4.23 | 13.81 | 0.74 | 1.41 |
| May | 1.85 | 7.69 | 5.30 | 12.99 | 0.94 | 0.70 |
| June | 5.15 | 8.67 | 8.05 | 16.72 | 1.61 | 0.88 |
| July | 1.70 | 6.33 | 5.10 | 11.43 | 0.94 | 0.70 |
| August | 3.87 | 5.15 | 5.77 | 10.92 | 0.81 | 0.55 |
| September | 5.90 | 9.97 | 12.08 | 22.05 | 2.28 | 1.35 |
| October | 3.44 | 5.41 | 6.31 | 11.72 | 1.21 | 1.52 |
| November | 0.44 | 4.39 | 6.51 | 10.90 | 1.31 | 3.02 |
| December | 2.55 | 11.97 | 7.51 | 19.48 | 1.14 | 2 35 |
| Monthly average for 1958 | 14.89 | 1.18 | 1.67 | |||
| Monthly average for 1957 | 15.68 | 1.25 | 1.56 | |||
| Monthly average for 1950 | 37.75 | 5.17 | No readings | |||
| New York City,U.S. A. | Monthly average for 1958 | 72.00 | - | - | ||
(b) In conformity with the request of the above mentioned
Committee, a smoke filter and volumetric sulphur dioxide
apparatus was installed in July, since which time daily readings
have been made and results thereof recorded by the
Public Health Inspectors.
Appended below are particulars of the highest recorded
figures for the period ended 31st December, 1958:--
Smoke: smog level. Sulphur Dioxide: smog level.
200 mgs per 100 cu. metres. 40 parts per 100 millions.
127.2 52.9
Reading 15.11.58. Reading 5.12.58