Section 225.120 Abbreviations and Acronyms

Unless otherwise specified within this Part, the abbreviations used in this Part must be the same as those found in 35 Ill. Adm. Code 211. The following abbreviations and acronyms are used in this Part:

Act	Environmental Protection Act [415 ILCS 5]
ACI	activated carbon injection
Agency	Illinois Environmental Protection Agency
Btu	British thermal unit
CAA	Clean Air Act (42 USC 7401 et seq.)
CAAPP	Clean Air Act Permit Program
CAIR	Clean Air Interstate Rule
CASA	Clean Air Set-Aside
CEMS	continuous emission monitoring system
CO₂	carbon dioxide
CPS	Combined Pollutant Standard
CGO	converted gross electrical output
CUTE	converted useful thermal energy
EGU	electric generating unit
ESP	electrostatic precipitator
FGD	flue gas desulfurization
GO	gross electrical output
GWh	gigawatt hour
HI	heat input
hr	hour
kg	kilogram
lb	pound
MPS	Multi-Pollutant Standard
MW	megawatt
MWe	megawatt electrical
MWh	megawatt hour
NAAQS	National Ambient Air Quality Standards
NO_x	nitrogen oxides
NUSA	New Unit Set-Aside
ORIS	Office of Regulatory Information Systems
O₂	oxygen
PM_2.5	particles less than 2.5 micrometers in diameter
RATA	relative accuracy test audit
SO₂	sulfur dioxide
SNCR	selective noncatalytic reduction
TTBS	Temporary Technology Based Standard
TCGO	total converted useful thermal energy
UTE	useful thermal energy
USEPA	United States Environmental Protection Agency
yr	year

(Source: Amended at 31 Ill. Reg. 12864, effective August 31, 2007)