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central heating continues to grow. Many elderly people, although, loathe
to give up their coal fires, admit that the switch-on appliances save work
and the trouble of carrying in coal and removing ashes. In fact, the great
majority of applicants state that the newer appliances are far preferable
to the old, inefficient coal fires.
As in previous years there have been few nuisances reported from
industrial smoke. In two cases, however, legal proceedings were taken
which resulted in fines totalling £10 and costs £2.
Information on smoke control can be divided into four main groups-
fa) Measurement of pollution.
(b) Control of pollution — Smoke Control Areas.
(c) Other activities such as Conferences and Exhibitions.
(d) New Legislation.
(a) Measurement of Pollution
The department has five daily volumetric instruments for recording
smoke and sulphur dioxide concentrations. They are sited in the following
positions-
No. 1 Gantshill Library.
No. 2 John Bramston School.
No. 3 17/23, Clements Road.
No. 4 Croft Lodge Close.
No. 5 Oak Hall Court.
These two latter stations are fitted with eight port valves which
automatically change every twenty-four hours, thus ensuring complete
records over weekends and holidays.
These two stations are also part of the National Survey being conducted
by the Ministry of Technology.