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52
SMOKE ABATEMENT
During the year five complaints regarding smoke nuisance were received and 37 observations
on chimneys were made by sanitary inspectors; in one case an intimation notice was served on the
owner to abate the nuisance. No legal proceedings were necessary during the year.
ATMOSPHERIC POLLUTION.
Sulphur Activity in the Atmosphere Records.
The curves for sulphur activity in the atmosphere for the year 1937, compared with those
of last year, show a decrease for all stations during the summer months, but the winter figures are
in each case higher.
There can be little doubt that the pollution indicated at any one station, consists of two
inseparable components. The one due to industrial smoke, spread over a wide area, and the other
due to domestic pollution which, owing to the low average height of emission, is of more local
significance.
It is this latter component which largely accounts for the phenomenal difference between
summer and winter pollution at No. 1 Station the May and November readings show more than
a fourfold increase.