Acts and Regulations

96-105 - Underground Mine

Full text
Lower explosive limit
60Where the concentration of an air contaminant or mixture of air contaminants exceeds fifty per cent of its lower explosive limit, an employer shall ensure that all sources of ignition are isolated and shall not permit any person to enter or remain in the affected area, except in the case of an emergency when adequately trained personnel equipped with self-contained breathing apparatus may enter the area.