| Acronym | Meaning |
| NEMA | National Electrical Manufactures Association |
| UAPSP | Utility Acid Precipitation Study Program |
| ZST | Zero Strength Temperature |
| AREP | Averaged Relativistic Effective Potential |
| OVOC | Other Volatile Organic Compound |
| AHRQ | Agency For Healthcare Research And Quality |
| FOPPA | First-order Polarization Propagator Approach |
| UAQI | Uniform Air Quality Index |
| IAM | Independent Atom Model |
| EFV STO | Electric-field-variant Slater-type Orbital |