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 Haringey]
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TABLE A
AVERAGE DAILY READINGS OF SMOKE AND SULPHUR DIOXIDE IN THE ATMOSPHERE 1971/72 (Microgrammes per cubic metre)
Classification | Burghley Road N8 (1) | Tottenham Town Hall N15 (2) | Civic Centre N22 (3) |
---|---|---|---|
A.1 | A.2 | D.2 | |
(a) Smoke | |||
July 1971 | 24 | 26 | 27 |
August | 21 | 24 | 23 |
September | 44 | 48 | 49 |
October | 44 | 45 | 49 |
November | 49 | 46 | 45 |
December | N | N | N |
January 1972 | 61 | 62 | 53 |
February | N | 62 | 64 |
March | 73 | 69 | 68 |
April | N | N | N |
May | 20 | 24 | 20 |
June | 18 | 17 | 17 |
(b) Sulphur Dioxide | |||
July 1971 | 71 | 80 | 88 |
August | 52 | 65 | 71 |
September | 104 | 128 | 107 |
October | 115 | 146 | 133 |
November | 123 | 146 | 131 |
December | N | N | N |
January 1972 | 161 | 184 | 176 |
February | N | 192 | 189 |
March | 204 | 198 | 209 |
April | N | N | N |
May | 63 | 78 | 73 |
June | 52 | 66 | 63 |
NOTE: "N" indicates that number of readings insufficient to give accurate average
Classification of Sites
The following classification of sites indicates the neighbourhood in which the instruments are located as follows:—
A.1 — residential area with high density housing or with medium density housing in multiple occupation, in
either case surrounded by other built-up areas.
A.2 — predominantly A.1 but interspersed with some industrial undertakings.
D.2 — small town centre; limited commercial area mixed with old residential housing and possibly industry.
15