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 Acton]
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SULPHUR EMISSION, 1951 (FEB.—DEC.)
Amount of SO2 in Milligrams per day per 100 Square Centimetres
MONTHLY AVERAGE FOR ALL STATIONS
Mgms. Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec.
SOLID DEPOSIT, 1951 (AUG.—DEC.)
AVERAGE MONTHLY DEPOSIT IN TONS PER SQUARE MILE