| Acronym | Meaning |
| OECA | Office Of Enforcement And Compliance Assurance |
| CUP | Conditional Use Permit |
| BAO | Best Atomic Orbital Basis |
| MEP | Molecular Electrostatic Potential |
| LAP | Latency-associated Peptide |
| TSNA | Tobacco-specific Nitrosamines |
| PE | Population Equivalent (in Wastewater Treatment) |
| IAS | Isobaric Analog States |
| RHDV | Rabbit Hemorrhagic Disease Virus |
| BOREAS | Boreal Ecosystem - Atmosphere Exchange Study |