- run-of-mine coal
- abbr. ROM coalfor the purpose of Test Method D4749, (1) in the case of an underground mine, it is that coal delivered to the surface by a slope belt, hoist, and so forth. (2) in the case of a surface mine, it is that coal as it exists after it has been removed from the pit and placed into the initial means of transportation whether it be an on-the-road or off-the-road haul truck, dump hopper which feeds a pit-to-plant conveyor, and so forth. For both underground and surface mines, ROM coal is as-mined and has not been exposed to any treatment such as breaking, crushing, or cleaning except for that done by the normal operations used to extract the coal from the ground, that is, blasting, ripping, loading, cutting, and so forth.
ASTM D121-09a Standard Terminology of Coal and Coke. 2014.