North American Product Classification System (NAPCS) Canada 2022 Version 1.0
144 - Coal
This group comprises coal, a combustible black (hard coal) and brownish-black (brown coal) rock consisting of more than 50% by weight and more than 70% by volume of carbonaceous material. It is formed from plant remains that have been compacted, hardened and chemically altered, and metamorphosed by heat and pressure over geologic time.
Code | Class |
---|---|
14411Hard coal | Hard coal |
14412Brown coal | Brown coal |
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