Code 01 - A death of an individual at a mine;

Code 02 - An injury to an individual at a mine which has a reasonable potential to cause death;

Code 03 - An entrapment of an individual for more than 30 minutes;

Code 04 - An unplanned mine inundation by a liquid or gas;

Code 05 - An unplanned ignition or explosion of dust or gas;

Code 06 - An unplanned mine fire not extinguished within 30 minutes of discovery;

Code 07 - An unplanned ignition of a blasting agent or an explosive;

Code 08 - An unplanned roof fall at or above the anchorage zone in active workings where roof bolts are in use; or a roof or rib fall on active workings that impairs ventilation or impedes passage;

Code 09 - A coal or rock outburst that causes withdrawal of miners or which disrupts regular mining activity for more than one hour;

Code 10 - An unstable condition at an impoundment, refuse pile, or culm bank which requires emergency action in order to prevent failure, or which causes individuals to evacuate an area; or, failure of an impoundment, refuse pile, or culm bank;

Code 11 - Damage to hoisting equipment in a shaft or slope which endangers an individual or which interferes with use of the equipment for more than thirty minutes; and

Code 12 - An event at a mine which causes death or bodily injury to an individual not at the mine at the time the event occurs.