14(1)No person, without obtaining the written permission of the Minister, shall cause or permit the release of smoke that has a density greater than density Number 1, except that a person may cause or permit the release of smoke that has a density greater than density Number 1, but not greater than density Number 2, for a period totalling not more than four minutes during any one half hour.

14(2)Notwithstanding subsection (1), where a new fire is started, a person may cause or permit the release of smoke that has a density greater than density Number 2, but not greater than density Number 3, for a period totalling not more than three minutes during each quarter hour period or such other period as the Minister may establish in writing.

14(3)A new fire referred to in subsection (2) shall be brought to normal operation, complying with the provisions of subsection (1), in such time as the Minister establishes in writing.