Current Category: CN-AQ - Security
This standard applies to the training and assessment of coal mine safety inspectors.
This standard applies to the training and assessment of gas inspectors in coal mines.
This standard applies to chlorate thermal decomposition-type initial oxygen generators used in chemical oxygen self-rescue devices, acid bottle-activated initial oxygen generators, and compressed oxygen cylinder-type initial oxygen generators, etc.
This standard is applicable to the verification of the ventilation capacity of underground coal mines with complete and independent ventilation systems across the country.
This standard applies to mine-used carbon dioxide sensors used in environments with explosive flammable gases in underground mines.
This standard applies to the provision of personal protective equipment for workers engaged in underground and surface mining, coal washing, and open-pit mining operations in coal mines.
This standard is applicable to coal (rock) and gas outburst (referred to as outburst) mines in underground coal mines