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 1970/71
(Microgrammes per cubic metre)
Burghley Road N.8 (1) | Tottenham Town Hall N.15 (2) | Civic Centre N.22 (3) | |
---|---|---|---|
Classification | A.1 | A.2 | D.2 |
(a) Smoke | |||
July 1970 | 14 | 16 | 13 |
August | 19 | 25 | 21 |
September | 33 | 37 | 34 |
October | 43 | 49 | 47 |
November | 54 | 58 | 65 |
December | 72 | 80 | 72 |
January 1971 | 72 | 82 | 76 |
February | 56 | 66 | 57 |
March | 33 | 118 | 32 |
April | N | N | N |
May | 26 | 35 | 34 |
June | 25 | 24 | 25 |
(b) Sulphur Dioxide | |||
July 1970 | 68 | 65 | 69 |
August | 74 | 87 | 95 |
September | 72 | 96 | 90 |
October | 106 | 135 | 129 |
November | 142 | 171 | 181 |
December | 170 | 227 | 219 |
January 1971 | 179 | 237 | 234 |
February | 173 | 208 | 176 |
March | 128 | 149 | 138 |
April | N | N | N |
May | 102 | 118 | 111 |
June | 105 | 103 | 118 |
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.
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