| Acronym | Meaning |
| SBTT | Small Business Technology Transfer |
| HSL | Hazardous Substance List |
| BALR | Broad Absorption Line Region |
| SPHEM | Superfund Public Health Evaluation Manual |
| NRMPI | Non-resonant Multiphoton Ionization |
| SC-MBPT | Single-configuration Many-body Perturbation Theory |
| FIRMR | Federal Information Resources Management Regulations |
| NASN | National Air Sampling Network |
| SCC | Self-consistent Charge Method |
| RAPIDS | Regional Air Pollutant Inventory Development System |