101. An underground mine shall be supplied with fresh air from the atmosphere at a minimum rate of flow equivalent to the more demanding of the following standards:(1) 15 m3 (529.7 ft3) per minute for each worker underground;
(2) where equipment operated by a diesel engine is used, the rate of ventilation required to meet the requirements of section 100.1 and subparagraphs 1 and 2 of the first paragraph of section 102.