Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Hendon]
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DEPOSIT GAUGE, TOWN HALL
Table showing monthly deposit of total solids:
1959 | Rain ins. | Total solids Tons per sq. mile |
---|---|---|
January | 1.93 | 15.77 |
February | - | 21.37 |
March | 1.97 | 19.41 |
April | 2.44 | 14.97 |
May | 0.27 | 11.04 |
June | 0.79 | 13.31 |
July | 0.95 | 12.54 |
August | 1.22 | 12.90 |
September | - | 14.07 |
October | 2.32 | 14.24 |
November | 2.44 | 13.30 |
December | 3.55 | 22.11 |
TOTAL | 17.88 | 185.03 |
TABLE XIX.
DAILY AVERAGE OF SMOKE AND SULPHUR DIOXIDE AT EDGWARE AND GOLDERS GREEN MEASURING STATIONS.
1959 | Edgware | Golders Green | ||
---|---|---|---|---|
*Smoke | †Sulphur | *Smoke | †Sulphur | |
January | 18.0 | 11.7 | 30.0 | 15.3 |
February | 19.0 | 12.1 | 28.0 | 15.6 |
March | 10.0 | 7.2 | 14.0 | 7.3 |
April | 5.0 | 4.3 | 9.0 | 6.3 |
May | 4.0 | 3.3 | 4.0 | 3.7 |
June | 3.0 | 2.5 | 4.0 | 3.5 |
July | 3.0 | 2.9 | 3.0 | 3.0 |
August | 3.0 | 3.0 | 3.0 | 3.3 |
September | 4.0 | 3.1 | 4.0 | 3.8 |
October | 7.0 | 4.9 | 9.0 | 6.6 |
November | 15.0 | 9.1 | 17.0 | 11.1 |
December | 10.0 | 7.3 | 14.0 | 8.5 |
TOTAL | 101.0 | 71.4 | 139.0 | 88.0 |
* Average daily smoke concentration in mgms. per 100 cu. metres of air. † Average daily sulphur concentration per 100 million volumes of air. |