| Acronym | Meaning |
| ARC | Advanced Regulatory Control |
| VUV | Vacuum Ultraviolet |
| APN | Aminopeptidase N |
| SIP | State Implementation Plan |
| MNDO | Modified Neglect Of Diatomic Overlap |
| APH | Adiabatically Adjusting |
| LTBRM | Lanczos Tight Binding Recursion Method |
| TDCS | Triple Differential Cross Section |
| ACEL | A.c. Electroluminescent |
| SVCA | Soil Vapor Contaminant Assessment |