Ill. Admin. Code tit. 35, § 203.1010
The following abbreviations and acronyms 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 |
| CFR | Code of Federal Regulations |
| CO | carbon monoxide |
| CO2 | carbon dioxide |
| CPMS | Continuous Parameter Monitoring System |
| FR | Federal Register |
| LAER | Lowest Achievable Emission Rate |
| 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 |
| NA NSR | Nonattainment New Source Review |
| O2 | oxygen |
| PAL | Plantwide Applicability Limitation |
| PEMS | Predictive Emissions Monitoring System |
| 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 |
| PSD | Prevention of Significant Deterioration |
| RACT | Reasonably Available Control Technology |
| SIC | Standard Industrial Classification |
| SIP | State Implementation Plan |
| SO2 | sulfur dioxide |
| tpy | tons per year |
| US | United States |
| U.S.C. | United States Code |
| USEPA | United States Environmental Protection Agency |
| VOM | Volatile Organic Material |
(Source: Added at 49 Ill. Reg. 6237, effective April 23, 2025)