(a) Coal-fired EGUs are subcategorized as defined in paragraphs (a)(1) through (a)(2) of this section and as defined in Sec. 63.10042.
(1) EGUs designed for coal with a heating value greater than or equal to 8,300 Btu/lb, and
(2) EGUs designed for low rank virgin coal.
(b) Oil-fired EGUs are subcategorized as noted in paragraphs (b)(1) through (b)(4) of this section and as defined in Sec. 63.10042.
(1) Continental liquid oil-fired EGUs
(2) Non-continental liquid oil-fired EGUs,
(3) Limited-use liquid oil-fired EGUs, and
(4) EGUs designed to burn solid oil-derived fuel.
(c) IGCC units combusting either gasified coal or gasified solid oil-derived fuel. For purposes of compliance, monitoring, recordkeeping, and reporting requirements in this subpart, IGCC units are subject in the same manner as coal-fired units and solid oil-derived fuel-fired units, unless otherwise indicated.