Subbituminous coal

Subbituminous coal means coal that is classified as subbituminous A, B, or C according to ASTM Method D38805, Standard Classification of Coals by Rank (incorporated by reference, see 63.14).

Source

40 CFR § 63.10042

Scoping language

Terms used in this subpart are defined in the Clean Air Act (CAA), in 63.2 (the General Provisions), and in this section as follows: