Md. Code Regs. 26.11.40.01 - Definitions
A. In this chapter,
the following terms have the meanings indicated.
B. Terms Defined.
(1) "Boiler" means an enclosed fossil or
other fuel-fired combustion device used to produce heat and to transfer heat to
recirculating water, steam, or other medium.
(2) "Combined cycle system " means a system
comprised of one or more combustion turbines, heat recovery steam generators,
and steam turbines configured to improve overall efficiency of electricity
generation or steam production.
(3)
"Combustion turbine" means an enclosed fossil or other fuel-fired device:
(a) That is comprised of a compressor, a
combustor, and a turbine; and
(b)
In which the flue gas resulting from the combustion of fuel in the combustor
passes through the turbine, rotating the turbine.
(4) "Fossil fuel" means natural gas,
petroleum, coal, or any form of solid, liquid, or gaseous fuel derived from
such material.
(5)
"Fossilfuel-fired" means:
(a) The combustion
of fossil fuel, alone or in combination with any other fuel, where fossil fuel
actually combusted comprises more than 50 percent of the annual heat input on a
Btu basis during any year; or
(b)
For a new unit, the combustion of fossil fuel, alone or in combination with any
other fuel, where fossil fuel is projected to comprise more than 50 percent of
the annual heat input on a Btu basis during the year that the new unit begins
combusting fossil fuel.
(6) "New unit" means:
(a) A non-trading large
NOX unit that is installed after May 1, 2018;
or
(b) An existing unit that is
modified to meet the definition of §B(8) of this regulation.
(7) "New unit set aside " means
remaining NOX ozone season emission tons available for
new units.
(8) "Non-trading large
NOX unit" means a fossil-fuel fired stationary boiler,
combustion turbine, or combined cycle system unit with;
(a) A maximum design heat input greater than
250 mmBtu per hour; or
(b) A name
plate capacity greater than 25.0 MW.
(9) "Ozone season " means May 1 through
September 30 of any calendar year.
Notes
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