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Plans for proposed chimneys for factories were examined under the provisions of
Section 10 of the Clean Air Act to ensure that the chimney height would be sufficient
to prevent the smoke or gas from becoming prejudicial to health or a nuisance.
During the year the Minister of Housing and Local Government issued a second
edition of the "Memorandum on Chimney Heights" which recommends that the small
furnace chimney is now considered not likely to create a problem and accordingly
excludes such chimneys from the reference tables.
Notifications under the provisions of Section 3 of the Act of new furnaces over
55,000 B.ThUs. are registered but it is apparent that many installers are completely
unaware of this section, and far too many reminders have had to be made.
Area not covered by Smoke Control Order.
Area where Smoke Control Order made by
Council but not confirmed by Minister.
Area covered by Smoke Control Order.
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