142.1(1)If an underground blasting operation takes place in an area that does not contain sulphides, an employer shall ensure that the blasting operation avoids endangering anyone in or about the underground mine.

142.1(2)An employer shall establish a code of practice for the blasting operation referred to in subsection (1), ensure that the code of practice is followed and make a copy of the code of practice available to an officer and the committee on request.