(a) This Subpart applies to stationary combustion installations except for those stationary combustion installations that are subject to new source performance standards under 40 Code of Federal Regulation (CFR) 60 and/or national emissions standards for hazardous air pollutants under 40 CFR 63, where the particulate matter standards established in the above regulations are equal to or more stringent than the particulate matter emission standards established in this Subpart.

(b) No owner or operator shall construct, install, or modify, or cause to be constructed, installed, or modified, any hand fed stationary combustion installation designed to fire bituminous coal.