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39
Smoke Measuring Station.
The smoke measuring station installed in the Department in 1956
continues to give valuable information concerning smoke density and
sulphur dioxide in the atmosphere. The readings are taken by
members of the staff of the Department, and the Department of
Scientific and Industrial Research receive the results and collate the
information with other results obtained from Authorities all over the
Country.
Notification of Installation of Furnaces.
Notification is required under Section 3 of the Clean Air Act, 1956,
of the installation of any furnace with a heating capacity of 55,000
B.T.U's or more per hour. The Section does not generally apply to
furnaces designed solely or mainly for use for domestic purposes. The
Purpose of the Section is to see that any new furnaces installed shall
be so far as is practicable, capable of being operated without emitting
smoke. Ten such notifications were received during the year.
Exemption of Premises engaged in Investigation and Research.
Section 21 of the Clean Air Act, 1956, provides for firms engaged
in research with regard to air pollution and the efficiency of furnaces
generrally to apply for exemption in the event of emission of smoke
above the prescribed density.
One application for exemption under this Section was received,
and this was granted for one year. No untoward emissions were
observed.