Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 204 - PREVENTION OF SIGNIFICANT DETERIORATION
Subpart A - GENERAL PROVISIONS
Section 204.110 - Abbreviations and Acronyms
The following abbreviations, acronyms and terms are used in this Part:
µg/m3 micrograms per cubic meter
Act Illinois Environmental Protection Act
Agency Illinois Environmental Protection Agency
BACT Best Available Control Technology
Board Illinois Pollution Control Board
Btu British thermal units
CAA Clean Air Act
CAAPP Clean Air Act Permit Program
CEMS Continuous Emissions Monitoring System
CERMS Continuous Emissions Rate Monitoring System
CO2 carbon dioxide
CO2e carbon dioxide equivalent
CPMS Continuous Parameter Monitoring System
GHG Greenhouse Gas
H2S hydrogen sulfide
hr hour
LAER Lowest Achievable Emission Rate
lbs pounds
lb/hr pounds per hour
MW megawatts
NAAQS National Ambient Air Quality Standards
NAICS North American Industry Classification System
NO2 nitrogen dioxide
NOx nitrogen oxides
NSPS New Source Performance Standards
NSR New Source Review
O2 oxygen
PAL Plantwide Applicability Limitation
PEMS Predictive Emissions Monitoring System
PM Particulate Matter
PM2.5 Particulate Matter equal to or less than 2.5 microns in diameter (Fine Particulate Matter)
PM10 Particulate Matter equal to or less than 10 microns in diameter
ppm parts per million
PSD Prevention of Significant Deterioration
RACT Reasonably Available Control Technology
SIP State Implementation Plan
SO2 sulfur dioxide
tpy tons per year
TSP total suspended particulates
US United States
USEPA United States Environmental Protection Agency
VOC Volatile Organic Compound
VOM Volatile Organic Material
yr year
